Forming outer lower section mold device for prefabricating box girder and using method

Abstract

The invention discloses a forming outer lower section mold device for a prefabricated box girder and a using method, and the forming outer lower section mold device comprises an outer lower section mold body (1) for pouring forming of the prefabricated box girder, a middle pedestal (2) arranged on the outer lower section mold body (1), a vertical supporting beam (4) arranged on the outer lower section mold body (1) and a side pedestal (3) arranged between the vertical supporting beam (4) and the middle pedestal (2). Through the outer lower section mold body (1), a composition section body of the forming outer mold of the prefabricated box girder is achieved, through the middle pedestal (2), the lower transverse part of the outer lower section mold body (1) is supported, and through the vertical supporting beam (4) and the side pedestal (3), the upper transverse part of the outer lower section mold body (1) is supported. According to the outer mold, edge supporting is achieved through the arrangement beam bodies, middle supporting is achieved through the table body with the overturning block, the technical problems that an overall table base is placed at the lower end of the outer lower section mold body (1), and a scaffold is placed on the outer lower section mold body (1) are solved, and therefore the using effect of the outer mold is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to a forming outer lower segment mold device and use method, in particular to a forming outer lower segment mold device and use method for prefabricating box girder. BACKGROUND

[0002] Box girder, a kind of beam in bridge engineering, hollow inside, upper two sides have flange, similar to box, hence the name, in order to improve the construction efficiency of bridge engineering, prefabricate box girder in beam field, when making prefabricated box girder, forming outer lower segment mold device needs to be used, therefore forming outer lower segment mold device is an important construction device, in the existing forming outer lower segment mold device, whole pedestal is placed at the lower end of outer lower segment mold body, and scaffolding is placed on outer lower segment mold body, outer lower segment mold body is supported by whole pedestal and scaffolding, which is limited by the installation between whole pedestal, scaffolding and outer lower segment mold body, thereby affecting the use effect of outer lower segment mold body, The present application effectively explores and researches the technical problems of placing whole pedestal at the lower end of outer lower segment mold body 1 and placing scaffolding on outer lower segment mold body 1 through the technical features of arranging beam body to support edge part and arranging pedestal with turnover block to support middle part, The statements herein only provide background of the present application, and do not necessarily constitute prior art, based on the technical disclosure provided by the applicant on June 15, 2025, the technical problems, technical features and technical effects in the prior art are obtained through retrieval, and the application technical scheme is made. SUMMARY

[0003] The object of the present application is a forming outer lower segment mold device for prefabricating box girder, The object of the present application is a forming outer lower segment mold device use method for prefabricating box girder.

[0004] In order to overcome the above technical defects, the object of the present application is to provide a forming outer lower segment mold device and use method for prefabricating box girder, thereby improving the use effect of outer mold.

[0005] To achieve the above object, the technical scheme adopted by the present application is: a forming outer lower segment mold device for prefabricating box girder, comprising an outer lower segment mold body for prefabricating box girder to be poured and formed, an intermediate pedestal arranged on the outer lower segment mold body, a vertical support beam arranged on the outer lower segment mold body, and a side pedestal arranged between the vertical support beam and the intermediate pedestal.

[0006] Due to the design of the outer lower segment mold body, the intermediate pedestal, the vertical support beam and the side pedestal, the outer lower segment mold body is realized as a component segment body of the forming outer mold of the prefabricated box girder, the lower horizontal part of the outer lower segment mold body is supported through the intermediate pedestal, the upper horizontal part of the outer lower segment mold body is supported through the vertical support beam and the side pedestal, the edge part is supported through the arranged beam body, and the intermediate support is realized through the pedestal with the turnover block, and the technical problems that the overall pedestal is placed at the lower end of the outer lower segment mold body and the hand and foot frame is placed on the outer lower segment mold body are solved, so that the use effect of the outer mold is improved.

[0007] The outer lower segment mold body, the intermediate pedestal, the vertical support beam and the side pedestal are connected to each other according to the mode that the edge part is supported through the arranged beam body and the intermediate support is realized through the pedestal with the turnover block.

[0008] The technical effects of the above two technical solutions are that the intermediate pedestal support and the edge end surface support of the outer lower segment mold body are realized.

[0009] The first accessory device is further included, and the first accessory device is provided with the oblique support beam, the vertical adjusting screw nut, the swing beam and the horizontal adjusting screw nut.

[0010] The second accessory device is further included, and the second accessory device is provided with the side support seat.

[0011] The third accessory device is further included, and the third accessory device is provided with the vibrator.

[0012] The technical effects of the above three technical solutions are that the integrated installation of other components is realized, and the technical effects of the present application are expanded.

[0013] The outer lower segment mold body and the side pedestal are respectively arranged on the intermediate pedestal, the vertical support beam is arranged between the outer lower segment mold body and the side pedestal, the swing beam is arranged on the side pedestal, the vertical adjusting screw nut and the horizontal adjusting screw nut are respectively arranged between the swing beam and the side pedestal, the oblique support beam is arranged on the swing beam, the side support seat and the vibrator are respectively arranged between the oblique support beam and the outer lower segment mold body.

[0014] The technical effects of the above technical solutions are that the outer lower segment mold body, the intermediate pedestal, the side pedestal, the vertical support beam, the oblique support beam, the vertical adjusting screw nut, the swing beam, the side support seat, the vibrator and the horizontal adjusting screw nut constitute the basic technical solution of the present application, and the technical problems of the present application are solved.

[0015] The present application designs that the outer lower segment mold body is arranged as a groove plate body corresponding to the prefabricated box girder outer mold lower segment body, and the lower end face of the lower horizontal part of the outer lower segment mold body is arranged in contact type connection with the intermediate pedestal, the lower end face edge of the upper horizontal part of the outer lower segment mold body is arranged in contact type connection with the vertical support beam, and the side face of the outer lower segment mold body is arranged in contact type connection with the side support pedestal and the vibrator respectively.

[0016] The technical effect of the above technical scheme is that an intermediate integrated component is formed, and the prefabricated box girder outer mold is formed.

[0017] The present application designs that the intermediate pedestal is arranged to contain an inner seat part, an outer seat part, a horizontal beam part, a supporting plate part, a tail seat part, a moving seat part and a thrust screw part, and the accommodating hole body I is arranged on the front and rear side faces of the inner seat part, the accommodating hole body II is arranged on the horizontal beam part, the left and right end faces of the inner seat part are arranged in connection with the end faces of the horizontal beam part respectively, the outer end face of the horizontal beam part on the outer side is arranged in connection with the inner end face of the outer seat part, the outer end face lower side of the outer seat part is arranged in connection with the inner end face of the tail seat part, the vertical part upper end head of the tail seat part is arranged in connection with the supporting plate part through a pin shaft, the inner end head of the thrust screw part is arranged in rotary type connection with the outer end face upper side of the outer seat part, the outer end head of the thrust screw part is arranged in rotary type connection with the vertical part lower end of the tail seat part, the middle of the thrust screw part is arranged in screw type connection with the moving seat part, the upper end face of the moving seat part is arranged in contact type connection with the lower end face of the supporting plate part, the lower end face of the moving seat part is arranged in inclined surface type connection with the horizontal part upper end face inclined surface of the tail seat part, the upper end faces of the inner seat part, the outer seat part and the supporting plate part are arranged in contact type connection with the outer lower segment mold body respectively, the front and rear side faces of the inner seat part are arranged in contact type connection with the side pedestal, and the accommodating hole body I is arranged in connection with the side pedestal through an intermediate connecting bolt.

[0018] The application designs that the inner seat part is arranged as a strip block body with a H-shaped opening body at the lower end face, the outer seat part is arranged as a strip block body with a H-shaped blind hole at the outer end face, the cross beam part is arranged as a strip block body, the supporting plate part is arranged as a sheet body with double plate ear seats at the outer side of the lower end face, the tail seat part is arranged as an L-shaped strip block body with a bevel type upper end face at the horizontal part and an upper and lower through hole body at the vertical part, the moving seat part is arranged as a block body with a bevel type lower end face and a middle threaded hole body, the thrust screw part is arranged as an inner hexagonal bolt with a H-shaped inner end head, the accommodating hole body I is arranged as a threaded blind hole body, the accommodating hole body II is arranged as a hole body, the H-shaped blind hole of the outer seat part is arranged to be coupled with the H-shaped inner end head of the thrust screw part 2, the double plate ear seats of the supporting plate part are arranged to be coupled with the upper through hole body of the tail seat part through a pin shaft, the lower through hole body of the tail seat part and the middle threaded hole body of the moving seat part are respectively arranged to be coupled with the thrust screw part, and the bevel type upper end face of the tail seat part is arranged to be coupled with the bevel type lower end face of the moving seat part, the accommodating hole body I is arranged to be arranged and distributed along the vertical center line of the inner seat part, and a plurality of inner seat parts are arranged to be serially coupled with each other through a plurality of cross beam parts.

[0019] The technical effects of the above two technical solutions are that an intermediate integrated component is formed, and the end head turnover plate type is connected and supported to the external lower section mold body.

[0020] The application designs that the side pedestal is arranged to contain a horizontal extension seat part and a vertical inner seat part, an installation window body is arranged at the inner side of the horizontal part of the horizontal extension seat part, a accommodating groove body I is arranged at the outer side of the upper end face of the horizontal part of the horizontal extension seat part, the inner side of the upper end face of the horizontal part of the horizontal extension seat part is arranged to be coupled with the lower end face of the vertical inner seat part, the vertical part of the horizontal extension seat part is arranged to be coupled with the vertical support beam through an intermediate connecting bolt, and the outer side of the vertical inner seat part is arranged to be contact-coupled with the intermediate pedestal, the vertical inner seat part is arranged to be coupled with the intermediate pedestal through an intermediate connecting bolt, the installation window body is arranged to be coupled with the swing beam through a pin shaft, the accommodating groove body I is arranged to be coupled with the screw rod of the vertical adjusting screw nut, and the outer side of the upper end face of the horizontal part of the horizontal extension seat part is arranged to be coupled with the nut of the vertical adjusting screw nut, and the vertical part of the horizontal extension seat part is arranged to be threadedly coupled with the horizontal adjusting screw nut.

[0021] The application designs that the horizontal seat part is provided with an L-shaped block body with threaded hole body, the vertical inner seat part is provided with a block body with through hole body, the installation window body is provided with a rectangular hole body, and the containing groove body I is provided with a convex-shaped slot body, the threaded hole body of the horizontal seat part is respectively provided with a middle connecting bolt and a horizontal adjusting screw nut between the vertical support beam and the side pedestal, and the vertical left and right end faces of the horizontal seat part are provided with a contact type connection with the vertical support beam, the through hole body of the vertical inner seat part is provided with a middle connecting bolt between the side pedestal and the middle pedestal, and the inner side face of the vertical inner seat part is provided with a contact type connection with the middle connecting bolt flange body between the side pedestal and the middle pedestal, and the front and rear inner walls of the installation window body are provided with a pin shaft end face connection between the side pedestal and the swing beam.

[0022] The technical effects of the above two technical solutions are that an intermediate integrated component is formed, and the side bottom pedestal connection support of the outer lower segment mold body is realized.

[0023] The application designs that the vertical support beam is provided with a vertical beam part, an outer turning beam part, an inner inclined beam part and an upper strip part, the inclined part of the outer turning beam part is connected to the vertical beam part through a pin shaft, the inclined part of the inner inclined beam part is connected to the upper side of the inner end face of the vertical beam part, and the upper strip part is embeddedly connected to the upper end of the vertical beam part and the vertical part of the inner inclined beam part, the lower end of the vertical beam part and the vertical part of the outer turning beam part are respectively connected to the side pedestal through a middle connecting bolt, and the upper end face of the upper strip part is contactly connected to the outer lower segment mold body.

[0024] The application designs that the vertical beam part is provided with a rectangular rod-shaped body with a H-shaped opening body at the upper end, a rectangular hole body in the middle and a through hole body at the lower end, the outer turning beam part is provided with an L-shaped strip-shaped body with a through hole body at the inclined part and the vertical part, the inner inclined beam part is provided with an L-shaped strip-shaped body with a H-shaped opening body at the vertical part, and the upper strip part is provided with a hard wood block-shaped body, the H-shaped opening bodies of the vertical beam part and the inner inclined beam part are respectively connected to the upper strip part, the rectangular hole body of the vertical beam part is accommodatively connected to the inclined part of the outer turning beam part, the front and rear inner walls of the rectangular hole body of the vertical beam part are connected to the pin shaft end face between the outer turning beam part and the vertical beam part, and the inclined part through hole body of the outer turning beam part is connected to the pin shaft between the outer turning beam part and the vertical beam part, the through hole bodies of the vertical beam part and the vertical part of the outer turning beam part are respectively connected to the middle connecting bolt between the vertical support beam and the side pedestal, and the outer end faces of the vertical beam part and the outer turning beam part are respectively contactly connected to the flange body of the middle connecting bolt between the vertical support beam and the side pedestal.

[0025] The technical effects of the above two technical solutions are that an intermediate integrated component is formed, and the end face edge connection support of the outer lower segment mold body is realized.

[0026] The present application designs that the oblique support beam is provided as a rectangular rod body with a H-shaped groove body and a threaded hole body at the outer end head, the inner port of the threaded hole body of the oblique support beam is arranged on the inner wall of the H-shaped groove body of the oblique support beam, the inner end head of the oblique support beam is provided as a through type connection with the swing beam, and the H-shaped groove body of the oblique support beam is provided as a connection with the side support seat and the vibrator respectively, the end face of the middle connecting bolt on the threaded hole body of the oblique support beam is provided as a contact type connection with the side support seat and the vibrator respectively.

[0027] The present application designs that the screw rod of the vertical adjusting screw rod nut is provided as an inner hexagonal bolt with a convex-shaped lower end head, and the nut of the vertical adjusting screw rod nut is provided as a hexagonal nut, the convex-shaped lower end head of the screw rod of the vertical adjusting screw rod nut is provided as a sinking type connection with the side pedestal, and the screw rod of the vertical adjusting screw rod nut is provided as a threaded type connection with the swing beam, and the inner end face of the nut of the vertical adjusting screw rod nut is provided as a contact type connection with the side pedestal.

[0028] The present application designs that the horizontal adjusting screw rod nut is provided as a screw rod part and a pedestal part, the inner end head of the screw rod part is provided as a middle rotating type connection with the outer end face of the pedestal part, the outer end head of the screw rod part is provided as a threaded type connection with the side pedestal, and the inner end face of the pedestal part is provided as a contact type connection with the swing beam.

[0029] The present application designs that the screw rod part is provided as an inner hexagonal bolt with a convex-shaped inner end head, and the pedestal part is provided as a block body with a convex-shaped blind hole at the middle of the outer end face, and the convex-shaped inner end head of the screw rod part is provided as a connection with the convex-shaped blind hole of the pedestal part.

[0030] The present application designs that the swing beam is provided as a frame rod part and a cylinder part, and the containing hole body III is arranged at the horizontal part of the frame rod part, the outer end face of the inclined part of the frame rod part is provided as a connection with the inner port of the cylinder part, and the lower end head of the inclined part of the frame rod part is provided as a connection with the side pedestal through a pin shaft, the cylinder part is provided as a containing type connection with the oblique support beam, the end face of the horizontal part of the frame rod part is provided as a contact type connection with the horizontal adjusting screw rod nut, and the containing hole body III is provided as a threaded type connection with the screw rod of the vertical adjusting screw rod nut.

[0031] The present application designs that the frame rod part is provided as a T-shaped rod body, and the cylinder part is provided as a tubular body, the containing hole body III is provided as a threaded hole body, and the cylinder part is arranged along the center line of the inclined part of the frame rod part.

[0032] The technical effects of the above six technical solutions are that an intermediate integrated component is formed, and the side branch body connection support of the outer lower segment mold body is realized.

[0033] The application designs that the side support seat is provided with an outer box part, an inner box part, a sliding block part and a spring plate part, and a containing hole body IV is arranged at the lower end of the front and rear sides of the outer box part, a containing hole body V is arranged at the upper end of the front and rear sides of the outer box part, and a containing groove body II is arranged at the left and right sides of the outer box part, the upper end of the outer box part is arranged in butt joint with the lower end of the inner box part, the inner wall of the outer box part is arranged in contact joint with the peripheral outer side of the inner box part, the inner end surface of the horizontal part of the sliding block part is arranged in joint with the left and right outer sides of the inner box part, the vertical inner end surface of the sliding block part is arranged in contact joint with the left and right outer sides of the outer box part, the middle of the spring plate part is arranged in contact joint with the bottom inner wall of the inner box part, the end of the spring plate part is arranged in penetrating joint with the containing hole body V, the outer box part is arranged in embedded joint with the inclined support beam, the upper end surface of the inner box part is arranged in contact joint with the outer lower segment mold body, and the containing hole body IV is arranged in joint with the inclined support beam through the intermediate connecting bolt.

[0034] The application designs that the outer box part is provided with a rectangular box body with an open upper end, and the inner box part is provided with a rectangular box body with an open lower end, the sliding block part is provided with a T-shaped seat body, and the spring plate part is provided with a single-plate spring, the containing hole body IV is provided with a threaded hole body, the containing hole body V is provided with a rectangular hole body, the containing groove body II is provided with a long hole body, and the containing hole body IV is arranged in interval distribution along the transverse center line of the outer box part.

[0035] The technical effects of the above two technical solutions are that an intermediate integrated component is formed, and the outer lower segment mold body is connected and supported from the side by an elastic body.

[0036] The application designs that the vibrator is provided with a vibration motor with a threaded hole body, and the vibrator is arranged in embedded joint with the inclined support beam, the threaded hole body of the vibrator is arranged in joint with the inclined support beam through the intermediate connecting bolt, and the contact of the vibrator is arranged in contact joint with the outer lower segment mold body.

[0037] The technical effects of the above technical solution are that an intermediate integrated component is formed, and the outer lower segment mold body is connected and supported from the side by a vibration body.

[0038] The application designs that the outer lower segment mold body, the intermediate pedestal, the side pedestal and the vertical support beam are arranged in a peripheral pedestal beam support mode, and the outer lower segment mold body, the intermediate pedestal, the side pedestal and the vertical support beam are arranged in a peripheral inclined beam support mode with the inclined support beam, the vertical adjusting screw nut, the horizontal adjusting screw nut and the swing beam, and the outer lower segment mold body, the intermediate pedestal, the side pedestal, the vertical support beam, the inclined support beam, the vertical adjusting screw nut, the horizontal adjusting screw nut and the swing beam are arranged in an external component mode with the side support pedestal and the vibrator.

[0039] The application designs that two intermediate pedestals are arranged on the outer lower segment mold body, one side pedestal, a plurality of vertical support beams, a plurality of inclined support beams, a plurality of vertical adjusting screw nuts, a horizontal adjusting screw nut, a plurality of swing beams, a plurality of side support pedestals and a plurality of vibrators are arranged to form a group of pedestal vibration components, a plurality of groups of pedestal vibration components are arranged between the intermediate pedestal and the outer lower segment mold body, the frame rod part is respectively coupled with the seat part and the installation window body, the screw rod part, the vertical beam part and the outer swing beam part are respectively coupled with the horizontal seat part, and the vertical inner seat part is coupled with the inner seat part.

[0040] The application designs a method for using a forming outer lower segment mold device for a prefabricated box girder, and the steps are as follows: the outer lower segment mold body is used as a forming outer mold of the prefabricated box girder, the intermediate pedestal is used to support the lower horizontal part of the outer lower segment mold body, the vertical support beam and the side pedestal are used to support the upper horizontal part of the outer lower segment mold body, the edge part is supported by arranging the beam body, and the intermediate support is realized by the pedestal with the turnover block.

[0041] The technical effect of the above technical scheme is that the technical features of supporting the edge part by arranging the beam body and supporting the intermediate part by the pedestal with the turnover block are highlighted, and the application in the technical field of the method for using the forming outer lower segment mold device for the prefabricated box girder is introduced.

[0042] The present invention is designed with the following steps: When a precast box girder needs to be cast, a level concrete surface is poured on the girder casting site. After the level concrete surface has cured, installation lines for the intermediate platform and side platforms are drawn on the level concrete surface. The lifting rope is placed into the receiving hole II. Using lifting machinery, the inner platform, outer platform, and transverse platform are placed on the installation lines respectively, so that the outer side of the vertical inner platform contacts the front and rear sides of the inner platform. The intermediate connecting bolt located between the side platform and the intermediate platform is placed into the through hole of the vertical inner platform. The intermediate connecting bolt located between the side platform and the intermediate platform rotates in the receiving hole I, so that the flange of the intermediate connecting bolt located between the side platform and the intermediate platform acts on the vertical... On the inner side of the inner seat, the side platform is installed on the intermediate platform. The lower end face of the lower horizontal part of the outer lower section mold body is placed on the upper end face of the inner seat, the upper end face of the outer seat, and the upper end face of the support plate. The lower end of the vertical beam is placed on the inner end face of the vertical part of the transverse seat. The intermediate connecting bolt between the vertical support beam and the side platform is placed in the vertical through hole of the outer rotating beam. The intermediate connecting bolt between the vertical support beam and the side platform rotates in the threaded hole of the transverse seat. The flange of the intermediate connecting bolt between the vertical support beam and the side platform acts on the outer end face of the vertical beam. The outer rotating beam rotates on the pin between the outer rotating beam and the vertical beam. The vertical part of the outer rotating beam is placed on the vertical part of the transverse seat. On the outer end face of the outer rotating beam, the intermediate connecting bolt located between the vertical support beam and the side platform is placed into the vertical through hole of the outer rotating beam. This allows the intermediate connecting bolt to rotate within the threaded hole of the transverse support, causing the flange of the intermediate connecting bolt to act on the outer end face of the outer rotating beam. This mounts the vertical support beam onto the side platform. The upper strip is then placed into the U-shaped opening of the vertical beam and hammered to enter the U-shaped opening of the inner inclined beam. This mounts the upper strip between the outer lower section mold body and the vertical support beam. The outer box is then placed into the U-shaped groove of the inclined support beam, allowing the intermediate connecting bolt located between the side support and the inclined support beam to rotate. Rotating within the threaded hole of the inclined support beam connects the end of the intermediate connecting bolt between the side support and the inclined support beam to the receiving hole IV, thus installing the side support in the inclined support beam. The vibrator is placed in the U-shaped groove of the inclined support beam, and the intermediate connecting bolt between the vibrator and the inclined support beam rotates within the threaded hole of the inclined support beam, connecting the end of the intermediate connecting bolt between the vibrator and the inclined support beam to the threaded hole of the vibrator, thus installing the vibrator in the inclined support beam. The inner end of the inclined support beam is installed in the cylindrical section, and the screw of the vertical adjusting screw nut rotates within the receiving hole III, while the lower convex end of the vertical adjusting screw nut moves within the receiving groove I.The inclined lower end of the frame rod part swings on the pin shaft between the side pedestal and the swing beam, the upper end face of the inner box part and the contact of the vibrator act on the side face of the outer lower segment mold body respectively, the nut of the vertical adjusting screw rod nut rotates on the screw rod of the vertical adjusting screw rod nut, the inner end face of the nut of the vertical adjusting screw rod nut acts on the outer side of the upper end face of the horizontal seat part, the screw rod part rotates in the threaded hole of the horizontal seat part, the convex inner end of the screw rod part rotates in the convex blind hole of the seat part, the inner end face of the seat part acts on the end face of the horizontal part of the frame rod part, so that the inclined support beam, the swing beam, the side support seat and the vibrator are installed between the outer lower segment mold body and the side pedestal, and the outer lower segment mold body is used to form and manufacture the precast box girder, when the precast box girder concrete mortar needs to be vibrated and rammed, the outer end of the thrust screw rod part rotates in the lower through hole of the tail seat part, the convex inner end of the thrust screw rod part 2 rotates in the convex blind hole of the outer seat part, the thrust screw rod part 2 and the middle threaded hole of the moving seat part are in threaded motion, the inclined lower end face of the moving seat part moves on the inclined upper end face of the tail seat part, the pin shaft on the double plate ear seat of the supporting plate part rotates in the upper through hole of the tail seat part, the supporting plate part generates an upward force on the end of the outer lower segment mold body, the inner box part is supported and buffered to the outer lower segment mold body through the spring plate part, the outer lower segment mold body is supported and buffered through the upper strip part, the vibrator is in a working state, and the precast box girder concrete mortar is vibrated and rammed, when the precast box girder concrete mortar is vibrated and rammed, the vibrator is in a non-working state, when the precast box girder does not need to be poured and formed, the screw rod part rotates in the reverse direction in the threaded hole of the horizontal seat part, the convex inner end of the screw rod part rotates in the reverse direction in the convex blind hole of the seat part, the inner end face of the seat part is separated from the end face of the horizontal part of the frame rod part, the nut of the vertical adjusting screw rod nut rotates in the reverse direction on the screw rod of the vertical adjusting screw rod nut, the inner end face of the nut of the vertical adjusting screw rod nut is separated from the outer side of the upper end face of the horizontal seat part, the screw rod of the vertical adjusting screw rod nut rotates in the reverse direction in the accommodating hole body III, the convex lower end of the screw rod of the vertical adjusting screw rod nut moves in the reverse direction in the accommodating groove body I, the inclined lower end of the frame rod part swings in the reverse direction on the pin shaft between the side pedestal and the swing beam, the upper end face of the inner box part and the contact of the vibrator are separated from the side face of the outer lower segment mold body, the outer rotating beam part and the vertical beam part are separated from the vertical part of the horizontal seat part through the middle connecting bolt between the vertical support beam and the side pedestal, and the upper strip part is separated from the outer lower segment mold body.

[0043] The technical effects of the above technical scheme are that the intermediate platform support and edge end face support operations of the outer lower segment mold body are realized.

[0044] In the technical solution, the outer lower segment mold body, the intermediate pedestal, the side pedestal and the vertical support beam are basic components and necessary technical features of the application, the oblique support beam, the vertical adjusting screw nut, the swing beam, the side support seat, the vibrator and the transverse adjusting screw nut are functional components and features for realizing other technical effects of the application, the design of the technical features of the inner seat part, the outer seat part, the cross beam part, the supporting plate part, the tail seat part, the moving seat part, the thrust screw part, the accommodating hole body I, the accommodating hole body II, the transverse seat part, the vertical inner seat part, the installation window body, the accommodating groove body I, the vertical beam part, the outer swing beam part, the inner oblique beam part, the upper strip part, the screw part, the seat part, the frame rod part, the cylinder part, the accommodating hole body III, the outer box part, the inner box part, the sliding block part, the spring plate part, the accommodating hole body IV, the accommodating hole body V and the accommodating groove body II is in line with the technical features of the patent law and its implementing regulations.

[0045] In the technical solution, the edge part support by arranging the beam body and the intermediate support by the pedestal with the turnover block are realized by the vertical support beam and the side pedestal.

[0046] In the technical solution, the outer lower segment mold body, the intermediate pedestal, the vertical support beam and the side pedestal are important technical features, which are novel, creative and practical in the technical field of the forming outer lower segment mold device for precast box girder and the use method, and the terms in the technical solution can be explained and understood by using the patent documents in the technical field. BRIEF DESCRIPTION OF DRAWINGS

[0047] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0048] Figure 1 It is a schematic view of one of the first embodiments of the application for a forming outer lower segment mold device for precast box girder, Figure 2 It is a structural schematic view of the intermediate pedestal 2, Figure 3 It is a structural schematic view of the side pedestal 3, Figure 4 It is a structural schematic view of the side support seat 8, Lower outer mold body-1, middle seat-2, side seat-3, vertical support beam-4, inclined support beam-5, vertical adjusting screw nut-6, swing beam-7, side support seat-8, vibrator-9, horizontal adjusting screw nut-911, inner seat-21, outer seat-22, cross beam-23, supporting plate-24, tail seat-25, moving seat-26, thrust screw-27, containing hole body I-28, containing hole body II-29, horizontally extending seat-31, vertical inner seat-32, mounting window body-33, containing groove body I-34, vertical beam-41, outer rotating beam-42, inner inclined beam-43, upper strip-44, screw-911, seat-912, frame rod-71, cylinder-72, containing hole body III-73, outer box-81, inner box-82, sliding block-83, spring plate-84, containing hole body IV-85, containing hole body V-86, containing groove body II-87. DETAILED DESCRIPTION

[0049] According to the examination guidelines, the terms such as "have", "contain" and "include" used in the present application should be understood as not excluding the presence or addition of one or more other elements or combinations thereof.

[0050] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0051] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0052] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict between them, and in addition, unless otherwise specified, the equipment and materials used in the following examples are commercially available, and if the processing conditions are not explicitly specified, please improve them according to the conventional methods in the art.

[0053] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of the present application.

[0054] A forming outer lower section mold device for a precast box girder, Figure 1 As one of the first embodiments of the present application, the present embodiment will be specifically described with reference to the drawings, which comprises an outer lower section mold body 1, an intermediate pedestal 2, a side pedestal 3, a vertical support beam 4, an inclined support beam 5, a vertical adjusting screw nut 6, a swing beam 7, a side support seat 8, a vibrator 9, and a transverse adjusting screw nut 911, and the outer lower section mold body 1 and the side pedestal 3 are respectively arranged on the intermediate pedestal 2, the vertical support beam 4 is arranged between the outer lower section mold body 1 and the side pedestal 3, the swing beam 7 is arranged on the side pedestal 3, the vertical adjusting screw nut 6 and the transverse adjusting screw nut 911 are respectively arranged between the swing beam 7 and the side pedestal 3, and the inclined support beam 5 is arranged on the swing beam 7, and the side support seat 8 and the vibrator 9 are respectively arranged between the inclined support beam 5 and the outer lower section mold body 1.

[0055] As the second embodiment of the first embodiment of the present application, the present embodiment will be specifically described with reference to the drawings, In the present embodiment, the outer lower section mold body 1 is arranged as a groove plate-shaped body corresponding to the outer mold lower section body of the precast box girder, the lower end face of the lower horizontal part of the outer lower section mold body 1 is arranged in contact with the intermediate pedestal 2, the lower end face edge of the upper horizontal part of the outer lower section mold body 1 is arranged in contact with the vertical support beam 4, and the side faces of the outer lower section mold body 1 are respectively arranged in contact with the side support seat 8 and the vibrator 9.

[0056] Through the outer lower section mold body 1, the support connection points of the intermediate pedestal 2, the vertical support beam 4, the side support seat 8, and the vibrator 9 are formed, the connection with the intermediate pedestal 2 is realized, the connection with the vertical support beam 4 is realized, the connection with the side support seat 8 is realized, and the connection with the vibrator 9 is realized, and the technical purpose is to serve as a formwork component for casting and forming the precast box girder.

[0057] In the embodiment, the intermediate pedestal 2 is provided with the inner seat part 21, the outer seat part 22, the beam part 23, the supporting plate part 24, the tail seat part 25, the moving seat part 26 and the thrust screw part 27, and the accommodating hole body I 28 is arranged on the front and rear sides of the inner seat part 21, the accommodating hole body II 29 is arranged on the beam part 23, and the left and right end faces of the inner seat part 21 are respectively connected with the end faces of the beam part 23, the outer end face of the beam part 23 on the outer side is connected with the inner end face of the outer seat part 22, and the outer end face of the outer seat part 22 is connected with the inner end face of the tail seat part 25, the vertical part upper end of the tail seat part 25 is connected with the supporting plate part 24 through a pin shaft, the inner end head of the thrust screw part 27 is rotatably connected with the outer end face of the outer seat part 22, the outer end head of the thrust screw part 27 is rotatably connected with the vertical part lower end of the tail seat part 25, the middle of the thrust screw part 27 is threadedly connected with the moving seat part 26, the upper end face of the moving seat part 26 is contactingly connected with the lower end face of the supporting plate part 24, the lower end face of the moving seat part 26 is bevel-to-bevel connected with the horizontal part upper end of the tail seat part 25, the upper end faces of the inner seat part 21, the outer seat part 22 and the supporting plate part 24 are respectively contactingly connected with the outer lower segment mold body 1, the front and rear sides of the inner seat part 21 are contactingly connected with the side pedestal 3, and the accommodating hole body I 28 is connected with the side pedestal 3 through an intermediate connecting bolt.

[0058] Through the intermediate pedestal 2, the support connection points of the outer lower segment mold body 1 and the side pedestal 3 are formed, the inner seat part 21, the outer seat part 22 and the supporting plate part 24 are connected with the outer lower segment mold body 1, the inner seat part 21 and the accommodating hole body I 28 are connected with the side pedestal 3, the beam part 23 is connected between the inner seat part 21 and the outer seat part 22, the tail seat part 25, the moving seat part 26 and the thrust screw part 27 are swingingly connected with the supporting plate part 24, and the accommodating hole body II 29 is connected with the hoisting rope, and the technical purpose is to serve as a support carrier of the outer lower segment mold body 1 and the side pedestal 3.

[0059] In the embodiment, the inner seat portion 21 is arranged as a strip-shaped body with a H-shaped opening body at the lower end face, the outer seat portion 22 is arranged as a strip-shaped body with a H-shaped opening body at the lower end face and a convex-shaped blind hole at the outer end face, the crossbeam portion 23 is arranged as a strip-shaped body, the supporting plate portion 24 is arranged as a sheet-shaped body with double-plate lug seats at the outer side of the lower end face, the tail seat portion 25 is arranged as an L-shaped strip-shaped body with a bevel-shaped upper end face at the horizontal portion and an upper and lower through hole body at the vertical portion, the moving seat portion 26 is arranged as a block-shaped body with a bevel-shaped lower end face and a middle threaded hole body, the thrust screw portion 27 is arranged as an inner hexagonal bolt with a convex-shaped inner end head, the accommodating hole body I 28 is arranged as a threaded blind hole body, the accommodating hole body II 29 is arranged as a hole-shaped body, the H-shaped blind hole of the outer seat portion 22 is arranged to be coupled with the convex-shaped inner end head of the thrust screw portion 27, the double-plate lug seats of the supporting plate portion 24 are arranged to be coupled with the upper through hole body of the tail seat portion 25 through a pin shaft, the lower through hole body of the tail seat portion 25 and the middle threaded hole body of the moving seat portion 26 are respectively arranged to be coupled with the thrust screw portion 27, and the bevel-shaped upper end face of the tail seat portion 25 is arranged to be coupled with the bevel-shaped lower end face of the moving seat portion 26, the accommodating hole body I 28 is arranged to be distributed along the vertical center line of the inner seat portion 21, and a plurality of inner seat portions 21 are arranged to be serially coupled with each other through a plurality of crossbeam portions 23.

[0060] The technical purposes are to realize the end face connection support of the outer lower segment mold body 1 and the end face hole body connection support of the side pedestal 3.

[0061] In the embodiment, the side pedestal 3 is arranged to contain a horizontal extension seat portion 31 and a vertical inner seat portion 32, the installation window body 33 is arranged at the inner side of the horizontal portion of the horizontal extension seat portion 31, the accommodating groove body I 34 is arranged at the outer side of the upper end face of the horizontal portion of the horizontal extension seat portion 31, the inner side of the upper end face of the horizontal portion of the horizontal extension seat portion 31 is arranged to be coupled with the lower end face of the vertical inner seat portion 32, the vertical portion of the horizontal extension seat portion 31 is arranged to be coupled with the vertical support beam 4 through an intermediate connecting bolt, the outer side of the vertical inner seat portion 32 is arranged to be contact-coupled with the intermediate pedestal 2, the vertical inner seat portion 32 is arranged to be coupled with the intermediate pedestal 2 through an intermediate connecting bolt, the installation window body 33 is arranged to be coupled with the swing beam 7 through a pin shaft, the accommodating groove body I 34 is arranged to be coupled with the screw rod of the vertical adjusting screw nut 6, the outer side of the upper end face of the horizontal portion of the horizontal extension seat portion 31 is arranged to be coupled with the nut of the vertical adjusting screw nut 6, and the vertical portion of the horizontal extension seat portion 31 is arranged to be threadedly coupled with the horizontal adjusting screw nut 911.

[0062] The side seat 3 forms the support connection points of the intermediate seat 2, the vertical support beam 4, the vertical adjusting screw nut 6, the swing beam 7 and the horizontal adjusting screw nut 911, and the vertical inner seat part 32 is connected with the intermediate seat 2, the horizontal seat part 31 is connected with the vertical support beam 4, the horizontal seat part 31 is connected with the horizontal adjusting screw nut 911, the horizontal seat part 31 and the accommodation groove body I 34 are connected with the vertical adjusting screw nut 6, and the horizontal seat part 31 and the installation window body 33 are connected with the swing beam 7, and the technical purpose is to serve as the support carrier of the vertical support beam 4, the vertical adjusting screw nut 6, the swing beam 7 and the horizontal adjusting screw nut 911.

[0063] In the embodiment, the horizontal seat part 31 is provided as an L-shaped block body with a threaded hole body, the vertical inner seat part 32 is provided as a block body with a through hole body, the installation window body 33 is provided as a rectangular hole body, and the accommodation groove body I 34 is provided as a convex-shaped groove body, the threaded hole body of the horizontal seat part 31 is respectively connected with the intermediate connecting bolt between the vertical support beam 4 and the side seat 3 and the horizontal adjusting screw nut 911, and the vertical part left and right end faces of the horizontal seat part 31 are connected with the vertical support beam 4 in contact mode, the through hole body of the vertical inner seat part 32 is connected with the intermediate connecting bolt between the side seat 3 and the intermediate seat 2, and the inner side face of the vertical inner seat part 32 is connected with the flange body of the intermediate connecting bolt between the side seat 3 and the intermediate seat 2 in contact mode, and the front and rear inner walls of the installation window body 33 are connected with the pin shaft end face between the side seat 3 and the swing beam 7.

[0064] The technical purpose is to achieve the end face hole body connection support of the vertical support beam 4, the end face groove body connection support of the vertical adjusting screw nut 6, and the hole body connection support of the swing beam 7 and the horizontal adjusting screw nut 911.

[0065] In the embodiment, the vertical support beam 4 is provided with a vertical beam part 41, an outer turning beam part 42, an inner inclined beam part 43 and an upper strip part 44, the inclined part of the outer turning beam part 42 is connected with the vertical beam part 41 through a pin shaft, the inclined part of the inner inclined beam part 43 is connected with the upper side of the inner end face of the vertical beam part 41, and the upper strip part 44 is respectively embeddedly connected with the upper end of the vertical beam part 41 and the vertical part of the inner inclined beam part 43, the lower end of the vertical beam part 41 and the vertical part of the outer turning beam part 42 are respectively connected with the side seat 3 through an intermediate connecting bolt, and the upper end face of the upper strip part 44 is connected with the outer lower segment mold body 1 in contact mode.

[0066] The support connection points of the outer lower segment mold body 1 and the side pedestal 3 are formed by the vertical support beam 4, the connection with the outer lower segment mold body 1 is realized by the upper strip part 44, the connection with the side pedestal 3 is realized by the vertical beam part 41 and the outer rotating beam part 42, and the support connection of the upper strip part 44 is realized by the inner inclined beam part 43, and the technical purpose is to serve as a component for connecting between the outer lower segment mold body 1 and the side pedestal 3.

[0067] In the embodiment, the vertical beam part 41 is provided as a rectangular rod-shaped body with a D-shaped opening body at the upper end, a rectangular hole body in the middle, and a through hole body at the lower end, and the outer rotating beam part 42 is provided as an L-shaped strip-shaped body with a through hole body in the inclined part and the vertical part, the inner inclined beam part 43 is provided as an L-shaped strip-shaped body with a D-shaped opening body in the vertical part, and the upper strip part 44 is provided as a hard wood block-shaped body, the D-shaped opening bodies of the vertical beam part 41 and the inner inclined beam part 43 are respectively provided to be coupled with the upper strip part 44, and the rectangular hole body of the vertical beam part 41 is provided to be accommodatedly coupled with the inclined part of the outer rotating beam part 42, the front and rear inner walls of the rectangular hole body of the vertical beam part 41 are provided to be coupled with the pin shaft end face located between the outer rotating beam part 42 and the vertical beam part 41, and the inclined part through hole body of the outer rotating beam part 42 is provided to be coupled with the pin shaft located between the outer rotating beam part 42 and the vertical beam part 41, the through hole body of the vertical beam part 41 and the vertical part through hole body of the outer rotating beam part 42 are respectively provided to be coupled with the intermediate connecting bolt located between the vertical support beam 4 and the side pedestal 3, and the outer end face of the vertical beam part 41 and the outer end face of the outer rotating beam part 42 are respectively provided to be contact-coupled with the intermediate connecting bolt flange body located between the vertical support beam 4 and the side pedestal 3.

[0068] The technical purpose is to realize the hard wood block body type connection support between the outer lower segment mold body 1 and the side pedestal 3.

[0069] In the embodiment, the inclined support beam 5 is provided as a rectangular rod-shaped body with a D-shaped groove body and a threaded hole body at the outer end, and the threaded hole body inner port of the inclined support beam 5 is provided on the D-shaped groove body inner wall of the inclined support beam 5, the inner end of the inclined support beam 5 is provided to be penetratively coupled with the swing beam 7, and the D-shaped groove body of the inclined support beam 5 is respectively provided to be coupled with the side support seat 8 and the vibrator 9, and the intermediate connecting bolt end face located on the threaded hole body of the inclined support beam 5 is respectively provided to be contact-coupled with the side support seat 8 and the vibrator 9.

[0070] The support connection points of the swing beam 7, the side support seat 8 and the vibrator 9 are formed by the inclined support beam 5, the connection with the swing beam 7 is realized by the inclined support beam 5, the connection with the side support seat 8 is realized, and the connection with the vibrator 9 is realized, and the technical purpose is to serve as a support carrier for the side support seat 8 and the vibrator 9.

[0071] In the embodiment, the screw rod of the vertical adjusting screw rod nut 6 is set as an internal hexagonal bolt with a convex-shaped lower end head, and the nut of the vertical adjusting screw rod nut 6 is set as a hexagonal nut, the convex-shaped lower end head of the screw rod of the vertical adjusting screw rod nut 6 is set to be sunkly coupled with the side pedestal 3, and the screw rod of the vertical adjusting screw rod nut 6 is set to be threadedly coupled with the swing beam 7, the inner end face of the nut of the vertical adjusting screw rod nut 6 is set to be contactly coupled with the side pedestal 3.

[0072] The vertical adjusting screw rod nut 6 forms a support connection point for the side pedestal 3 and the swing beam 7, and the vertical adjusting screw rod nut 6 realizes the connection with the side pedestal 3 and the connection with the swing beam 7, and the technical purpose is to serve as one of the components for connecting between the swing beam 7 and the side pedestal 3.

[0073] In the embodiment, the lateral adjusting screw rod nut 911 is set to contain a screw rod part 911 and a seat part 912, and the inner end head of the screw rod part 911 is set to be rotationally coupled with the middle of the outer end face of the seat part 912, the outer end head of the screw rod part 911 is set to be threadedly coupled with the side pedestal 3, and the inner end face of the seat part 912 is set to be contactly coupled with the swing beam 7.

[0074] The lateral adjusting screw rod nut 911 forms a support connection point for the side pedestal 3 and the swing beam 7, and the screw rod part 911 realizes the connection with the side pedestal 3 and the seat part 912 realizes the connection with the swing beam 7, and the technical purpose is to serve as the second component for connecting between the swing beam 7 and the side pedestal 3.

[0075] In the embodiment, the screw rod part 911 is set as an internal hexagonal bolt with a convex-shaped inner end head, and the seat part 912 is set as a block-shaped body with a convex-shaped blind hole in the middle of the outer end face, and the convex-shaped inner end head of the screw rod part 911 is set to be coupled with the convex-shaped blind hole of the seat part 912.

[0076] The technical purpose is to realize the end face type connection support between the swing beam 7 and the side pedestal 3.

[0077] In the embodiment, the swing beam 7 is set to contain a frame rod part 71 and a cylinder part 72, and a containing hole body III 73 is arranged on the horizontal part of the frame rod part 71, the outer end face of the inclined part of the frame rod part 71 is set to be coupled with the inner end port of the cylinder part 72, and the lower end head of the inclined part of the frame rod part 71 is set to be coupled with the side pedestal 3 through a pin shaft, the cylinder part 72 is set to be containedly coupled with the inclined support beam 5, the end face of the horizontal part of the frame rod part 71 is set to be contactly coupled with the lateral adjusting screw rod nut 911, and the containing hole body III 73 is set to be threadedly coupled with the screw rod of the vertical adjusting screw rod nut 6.

[0078] The support connection points of the side seat 3, the inclined support beam 5, the vertical adjusting screw nut 6 and the horizontal adjusting screw nut 911 are formed by the swing beam 7, the connection with the side seat 3 is realized by the frame rod part 71, the connection with the horizontal adjusting screw nut 911 is realized, the connection with the inclined support beam 5 is realized by the cylinder part 72, and the connection with the vertical adjusting screw nut 6 is realized by the accommodating hole body III 73, and the technical purpose is to serve as a support carrier for the inclined support beam 5.

[0079] In the embodiment, the frame rod part 71 is arranged as a T-shaped rod body, the cylinder part 72 is arranged as a tubular body, the accommodating hole body III 73 is arranged as a threaded hole body, and the cylinder part 72 is arranged as an interval arrangement along the inclined center line of the frame rod part 71.

[0080] The technical purpose is to realize the tubular body type connection support of the inclined support beam 5.

[0081] In the embodiment, the side support seat 8 is arranged to contain the outer box part 81, the inner box part 82, the sliding block part 83 and the spring plate part 84, the accommodating hole body IV 85 is arranged at the front and rear side lower end of the outer box part 81, the accommodating hole body V 86 is arranged at the front and rear side upper end of the outer box part 81, and the accommodating groove body II 87 is arranged at the left and right side of the outer box part 81, the upper end of the outer box part 81 is arranged to be in butt joint with the lower end of the inner box part 82, the inner wall of the outer box part 81 is arranged to be in contact joint with the peripheral outer side of the inner box part 82, the inner end face of the sliding block part 83 is arranged to be in joint with the left and right outer side of the inner box part 82, the transverse part of the sliding block part 83 is arranged to be in through joint with the accommodating groove body II 87, the vertical inner end face of the sliding block part 83 is arranged to be in contact joint with the left and right outer side of the outer box part 81, the middle of the spring plate part 84 is arranged to be in contact joint with the bottom inner wall of the inner box part 82, the end of the spring plate part 84 is arranged to be in through joint with the accommodating hole body V 86, and the outer box part 81 is arranged to be in embedded joint with the inclined support beam 5, the upper end face of the inner box part 82 is arranged to be in contact joint with the outer lower segment mold body 1, and the accommodating hole body IV 85 is arranged to be in joint with the inclined support beam 5 through the intermediate connecting bolt.

[0082] The support connection points of the outer lower segment mold body 1 and the inclined support beam 5 are formed by the side support seat 8, the connection with the outer lower segment mold body 1 is realized by the inner box part 82, the connection with the inclined support beam 5 is realized by the outer box part 81 and the accommodating hole body IV 85, and the elastic connection between the inner box part 82 and the outer box part 81 is realized by the sliding block part 83, the spring plate part 84, the accommodating hole body V 86 and the accommodating groove body II 87, and the technical purpose is to serve as a support carrier for the outer lower segment mold body 1.

[0083] In the embodiment, the outer box part 81 is arranged as a rectangular box body with an open upper end, the inner box part 82 is arranged as a rectangular box body with an open lower end, the sliding block part 83 is arranged as a T-shaped seat body, the spring plate part 84 is arranged as a single-plate spring, the accommodating hole body IV 85 is arranged as a threaded hole body, the accommodating hole body V 86 is arranged as a rectangular hole body, the accommodating groove body II 87 is arranged as a long-hole body, and the accommodating hole body IV 85 is arranged in a spaced distribution along the transverse center line of the outer box part 81. At least two sliding block parts 83 and at least two spring plate parts 84 are arranged between the inner box part 82 and the outer box part 81, respectively.

[0084] The technical purpose is to achieve hard spring type connection support for the outer lower segment mold body 1.

[0085] In the embodiment, the vibrator 9 is arranged as a vibration motor with a threaded hole body, and the vibrator 9 is arranged in an embedded type coupling with the inclined support beam 5. The threaded hole body of the vibrator 9 is arranged to be coupled with the inclined support beam 5 through an intermediate connecting bolt, and the contact of the vibrator 9 is arranged in a contact type coupling with the outer lower segment mold body 1.

[0086] Through the vibrator 9, a support connection point for the outer lower segment mold body 1 and the inclined support beam 5 is formed. Through the vibrator 9, connection with the outer lower segment mold body 1 is achieved, and connection with the inclined support beam 5 is achieved. The technical purpose is to serve as a component for generating a vibration force on the outer lower segment mold body 1.

[0087] In the embodiment, the outer lower segment mold body 1, the intermediate pedestal 2, the side pedestal 3, and the vertical support beam 4 are arranged in a peripheral pedestal beam support manner, and the outer lower segment mold body 1, the intermediate pedestal 2, the side pedestal 3, and the vertical support beam 4, the inclined support beam 5, the vertical adjusting screw nut 6, the horizontal adjusting screw nut 911, and the swing beam 7 are arranged in a peripheral inclined beam support manner. The outer lower segment mold body 1, the intermediate pedestal 2, the side pedestal 3, the vertical support beam 4, the inclined support beam 5, the vertical adjusting screw nut 6, the horizontal adjusting screw nut 911, and the swing beam 7 are arranged in an external component manner with the side support pedestal 8 and the vibrator 9. Two intermediate pedestals 2 are arranged on the outer lower segment mold body 1. One side pedestal 3, multiple vertical support beams 4, multiple inclined support beams 5, multiple vertical adjusting screw nuts 6, horizontal adjusting screw nuts 911, multiple swing beams 7, multiple side support pedestals 8, and multiple vibrators 9 are arranged to form a group of pedestal vibration components. Multiple groups of pedestal vibration components are arranged between the intermediate pedestal 2 and the outer lower segment mold body 1. The rack rod part 71 is arranged to be coupled with the seat attachment part 912 and the mounting window body 33, respectively. The screw rod part 911, the vertical beam part 41, and the outer swing beam part 42 are arranged to be coupled with the transverse seat part 31, respectively. The vertical inner seat part 32 is arranged to be coupled with the inner seat part 21.

[0088] The application is further described below in connection with the examples, which are intended to illustrate the application rather than further limit it.

[0089] A method for using a forming outer lower segment mold device for a precast box girder, the steps of which are as follows: when it is necessary to cast and form a precast box girder, a flat concrete ground is cast and leveled at a beam manufacturing site, after the flat concrete ground is cured and formed, installation lines of a middle pedestal 2 and side pedestals 3 are drawn on the flat concrete ground, a hoisting rope is placed into a receiving hole body II 29, an inner pedestal part 21, an outer pedestal part 22 and a transverse pedestal part 31 are placed on the installation lines by a hoisting machine, the outer side of a vertical inner pedestal part 32 is in contact with the front and back sides of the inner pedestal part 21, middle connecting bolts between the side pedestals 3 and the middle pedestal 2 are placed into through hole bodies of the vertical inner pedestal part 32, the middle connecting bolts between the side pedestals 3 and the middle pedestal 2 are rotated in the receiving hole body I 28, flange bodies of the middle connecting bolts between the side pedestals 3 and the middle pedestal 2 act on the inner side of the vertical inner pedestal part 32, thereby the side pedestals 3 are installed on the middle pedestal 2, a lower transverse end face of an outer lower segment mold body 1 is placed on an upper end face of the inner pedestal part 21, an upper end face of the outer pedestal part 22 and an upper end face of a supporting plate part 24, a lower end head of a vertical beam part 41 is placed on a vertical inner end face of the transverse pedestal part 31, middle connecting bolts between the vertical support beam 4 and the side pedestal 3 are placed into vertical through hole bodies of the outer rotating beam part 42, the middle connecting bolts between the vertical support beam 4 and the side pedestal 3 are rotated in threaded hole bodies of the transverse pedestal part 31, flange bodies of the middle connecting bolts between the vertical support beam 4 and the side pedestal 3 act on an outer end face of the vertical beam part 41, the outer rotating beam part 42 is rotated on a pin shaft between the outer rotating beam part 42 and the vertical beam part 41, a vertical part of the outer rotating beam part 42 is placed on a vertical outer end face of the transverse pedestal part 31, middle connecting bolts between the vertical support beam 4 and the side pedestal 3 are placed into vertical through hole bodies of the outer rotating beam part 42, the middle connecting bolts between the vertical support beam 4 and the side pedestal 3 are rotated in threaded hole bodies of the transverse pedestal part 31, flange bodies of the middle connecting bolts between the vertical support beam 4 and the side pedestal 3 act on an outer end face of the outer rotating beam part 42, thereby the vertical support beam 4 is installed on the side pedestal 3, an upper beam part 44 is placed into a H-shaped opening body of the vertical beam part 41, the upper beam part 44 is hammered to enter into a H-shaped opening body of an inner inclined beam part 43, thereby the upper beam part 44 is installed between the outer lower segment mold body 1 and the vertical support beam 4, The outer box part 81 is put into the H-shaped groove of the inclined support beam 5, the middle connecting bolt between the side support seat 8 and the inclined support beam 5 is rotated in the threaded hole of the inclined support beam 5, the end of the middle connecting bolt between the side support seat 8 and the inclined support beam 5 is connected with the accommodating hole body IV 85, so that the side support seat 8 is installed in the inclined support beam 5, The vibrator 9 is put into the H-shaped groove of the inclined support beam 5, the middle connecting bolt between the vibrator 9 and the inclined support beam 5 is rotated in the threaded hole of the inclined support beam 5, the end of the middle connecting bolt between the vibrator 9 and the inclined support beam 5 is connected with the threaded hole of the vibrator 9, so that the vibrator 9 is installed in the inclined support beam 5, The inner end of the inclined support beam 5 is installed in the cylinder part 72, the screw rod of the vertical adjusting screw rod nut 6 is rotated in the accommodating hole body III 73, the convex lower end of the vertical adjusting screw rod nut 6 is moved in the accommodating groove body I 34, the lower end of the inclined part of the rack part 71 is swung on the pin shaft between the side seat 3 and the swing beam 7, the upper end face of the inner box part 82 and the contact of the vibrator 9 act on the side face of the outer lower segment mold body 1 respectively, the nut of the vertical adjusting screw rod nut 6 is rotated on the screw rod of the vertical adjusting screw rod nut 6, the inner end face of the nut of the vertical adjusting screw rod nut 6 acts on the outer side of the upper end face of the horizontal part of the horizontal seat part 31, the screw rod part 911 is rotated in the threaded hole of the horizontal seat part 31, the convex inner end of the screw rod part 911 is rotated in the convex blind hole of the abutting seat part 912, the inner end face of the abutting seat part 912 acts on the end face of the horizontal part of the rack part 71, so that the inclined support beam 5, the swing beam 7, the side support seat 8 and the vibrator 9 are installed between the outer lower segment mold body 1 and the side seat 3, When the vibrator 9 is in the working state, the outer lower segment mold body 1 is used to form the prefabricated box girder, when the prefabricated box girder concrete mortar needs to be vibrated and rammed, the outer end of the thrust screw rod part 27 is rotated in the lower through hole body of the tail seat part 25, the convex inner end of the thrust screw rod part 2 is rotated in the convex blind hole of the outer seat part 22, the thrust screw rod part 2 is threadedly moved with the middle threaded hole of the moving seat part 26, the inclined lower end face of the moving seat part 26 is moved on the inclined upper end face of the tail seat part 25, the pin shaft on the double plate lug seat of the supporting plate part 24 is rotated in the upper through hole body of the tail seat part 25, the supporting plate part 24 generates upward force on the end of the outer lower segment mold body 1, the inner box part 82 is supported and buffered to the outer lower segment mold body 1 through the spring plate part 84, the outer lower segment mold body 1 is supported and buffered through the upper strip part 44, the vibrator 9 is in the working state, the prefabricated box girder concrete mortar is vibrated and rammed, When the prefabricated box girder is not needed to be casted and formed, the screw rod part 911 is reversely rotated in the threaded hole body of the transverse seat part 31, the convex-shaped inner end head of the screw rod part 911 is reversely rotated in the convex-shaped blind hole of the abutting seat part 912, the inner end face of the abutting seat part 912 is separated from the transverse end face of the frame rod part 71, the nut of the vertical adjusting screw rod nut 6 is reversely rotated on the screw rod of the vertical adjusting screw rod nut 6, the inner end face of the nut of the vertical adjusting screw rod nut 6 is separated from the outside of the upper end face of the transverse part of the transverse seat part 31, the screw rod of the vertical adjusting screw rod nut 6 is reversely rotated in the accommodating hole body Ⅲ 73, the convex-shaped lower end head of the screw rod of the vertical adjusting screw rod nut 6 is reversely moved in the accommodating groove body Ⅰ 34, the lower end head of the inclined part of the frame rod part 71 is reversely swung on the pin shaft between the side pedestal 3 and the swing beam 7, the upper end face of the inner box part 82 and the contact of the vibrator 9 are respectively separated from the side face of the outer lower section mold body 1, the outer swing beam part 42 and the vertical beam part 41 are separated from the vertical part of the transverse seat part 31 through the intermediate connecting bolt between the vertical support beam 4 and the side pedestal 3, and the upper strip part 44 is separated from the outer lower section mold body 1.

[0090] In the verification of the application, the inventor abandoned the prior art features of placing the whole pedestal at the lower end of the outer lower segment mold body 1 and placing the hand and foot support at the outer lower segment mold body 1, first proposed the technical features of supporting the edge part by arranging the beam body and supporting the middle part by the pedestal with the turnover block, obtained the first unexpected technical effect: realized the support of the outer lower segment mold body 1 in the shape of the Chinese character "fang" section, optimized the support installation space of the outer lower segment mold body 1, improved the preparation efficiency of the prefabricated box girder, obtained the second unexpected technical effect: realized the support of the lower horizontal part of the outer lower segment mold body 1 by the middle pedestal 2, the support of the upper horizontal part of the outer lower segment mold body 1 by the side pedestal 3 and the vertical support beam 4, realized the support of the upper and lower parts of the outer lower segment mold body 1, improved the installation stability of the outer lower segment mold body 1, obtained the third unexpected technical effect: realized the side face top support of the outer lower segment mold body 1 by the inclined support beam 5, the vertical adjusting screw nut 6, the swing beam 7 and the horizontal adjusting screw nut 911, realized the accurate positioning support of the outer lower segment mold body 1, obtained the fourth unexpected technical effect: realized the buffer support of the outer lower segment mold body 1 by the side support seat 8, improved the vibration allowance of the outer lower segment mold body 1, obtained the fifth unexpected technical effect: realized the vibration support of the outer lower segment mold body 1 by the vibrator 9, realized the multi-point vibration treatment of the outer lower segment mold body 1, improved the vibration tamping effect of the prefabricated box girder concrete mortar, obtained the sixth unexpected technical effect: realized the lifting effect of the outer lower segment mold body 1 by the supporting plate part 24, realized the buffer effect of the outer lower segment mold body 1 by the upper strip part 44, improved the vibration force transmission effect of the outer lower segment mold body 1, obtained the seventh unexpected technical effect: realized that the whole pedestal is no longer placed at the lower end of the outer lower segment mold body 1 and the hand and foot support is no longer placed at the outer lower segment mold body 1, realized the beam body and the pedestal comprehensive surface support of the outer lower segment mold body 1, improved the support strength of the outer lower segment mold body 1, obtained the eighth unexpected technical effect: realized that the main support is composed of the paving seat body composed of the middle pedestal 2 and the side pedestal 3, the auxiliary support is composed of the branch body composed of the vertical support beam 4 and the inclined support beam 5, optimized the installation operation, and is suitable for use in different places.

[0091] The second embodiment of the application is that the outer lower segment mold body 1, the middle pedestal 2, the vertical support beam 4 and the side pedestal 3 are connected to each other in the way of supporting the edge part by arranging the beam body and supporting the middle part by the pedestal with the turnover block.

[0092] In this embodiment, the first accessory device is also included and the first accessory device is provided with the inclined support beam 5, the vertical adjusting screw nut 6, the swing beam 7 and the horizontal adjusting screw nut 911.

[0093] In the present embodiment, a second accessory device is also included and is arranged as a side support seat 8.

[0094] In the present embodiment, a third accessory device is also included and is arranged as a vibrator 9.

[0095] The second embodiment of the present application is based on the first embodiment, The second embodiment of the present application is based on the first embodiment,

[0096] The second embodiment of the present application is based on the first embodiment.

[0097] The present application has the following features: 1. The outer lower segment mold body 1, the intermediate pedestal 2, the vertical support beam 4 and the side pedestal 3 are designed, the outer lower segment mold body 1 is realized as a component segment body of a forming outer mold of a prefabricated box girder, the intermediate pedestal 2 is realized to support the lower horizontal part of the outer lower segment mold body 1, the vertical support beam 4 and the side pedestal 3 are realized to support the upper horizontal part of the outer lower segment mold body 1, the edge part support is realized by arranging the beam body, the intermediate support is realized by the pedestal with the turnover block, the technical problem of placing the overall pedestal at the lower end of the outer lower segment mold body 1 and placing the hand and foot frame on the outer lower segment mold body 1 is solved, and therefore the use effect of the outer mold is improved.

[0098] 2. The diagonal support beam 5, the vertical adjusting screw nut 6, the swing beam 7 and the horizontal adjusting screw nut 911 are designed to support the side surface of the outer lower segment mold body 1.

[0099] 3. The side support seat 8 is designed to realize the elastic body support of the outer lower segment mold body 1.

[0100] 4. The vibrator 9 is designed to realize the local vibration treatment of the outer lower segment mold body 1.

[0101] 5. The numerical range of the structure shape is limited, the numerical range is a technical feature in the technical scheme of the present application, and is not a technical feature obtained by formula calculation or a limited number of experiments. Experiments show that the numerical range of the technical feature has achieved good technical effects.

[0102] 6. Due to the technical features of the present application, through the effect of the single and mutual collection of the technical features, the performance indicators of the present application are at least 1.7 times of the existing performance indicators, and through evaluation, it has good market value.

[0103] There are other technical features associated with the outer lower segment mold body 1, the intermediate pedestal 2, the vertical support beam 4 and the side pedestal 3 coupled by arranging the beam body to support the edge part and the table body with the overturning block to support the middle part, which are all embodiments of the present application, and the technical features of the above embodiments can be arbitrarily combined. In order to meet the requirements of the Patent Law, the Patent Implementation Rules and the Guidelines for Examination, the embodiments of all possible combinations of each technical feature in the above embodiments will not be described.

[0104] The above embodiments are only one implementation form of the forming outer lower segment mold device for the prefabricated box girder and the use method provided by the present application. According to other variations of the scheme provided by the present application, increasing or reducing the features or steps therein, or using the present application in other technical fields close to the present application, all belong to the protection scope of the present application.

Claims

1. A forming outer lower segment mold apparatus for a precast box girder, characterized by: The utility model relates to a prefabricated box girder pouring forming device, which comprises an outer lower section mold body (1), an intermediate pedestal (2) arranged on the outer lower section mold body (1), a vertical support beam (4) arranged on the outer lower section mold body (1), and a side pedestal (3) arranged between the vertical support beam (4) and the intermediate pedestal (2).

2. The forming outer lower segment mold apparatus for a precast box girder according to claim 1, wherein: The outer lower section mold body (1), the intermediate pedestal (2), the vertical support beam (4), and the side pedestal (3) are connected to each other in a manner that the edge part is supported by arranging the beam body, and the intermediate support is provided by the pedestal body with a turnover block.

3. The forming outer lower segment mold apparatus for a precast box girder according to claim 1, wherein: The utility model further comprises a first accessory device, which comprises an inclined support beam (5), a vertical adjusting screw nut (6), a swing beam (7), and a horizontal adjusting screw nut (911), or a second accessory device, which comprises a side support pedestal (8), or a third accessory device, which comprises a vibrator (9).

4. The forming outer lower segment mold apparatus for a precast box girder according to claim 3, wherein The intermediate pedestal (2) is provided with the outer lower section mold body (1) and the side pedestal (3), respectively, and the vertical support beam (4) is arranged between the outer lower section mold body (1) and the side pedestal (3), the swing beam (7) is arranged on the side pedestal (3), the vertical adjusting screw nut (6) and the horizontal adjusting screw nut (911) are arranged between the swing beam (7) and the side pedestal (3), respectively, the inclined support beam (5) is arranged on the swing beam (7), the side support pedestal (8) and the vibrator (9) are arranged between the inclined support beam (5) and the outer lower section mold body (1), respectively.

5. The forming outer lower segment mold apparatus for a precast box girder according to claim 4, wherein: The outer lower section mold body (1) is arranged in a groove plate shape corresponding to the outer mold lower section body of the prefabricated box girder, the lower end surface of the lower horizontal part of the outer lower section mold body (1) is arranged in contact with the intermediate pedestal (2), the lower end surface edge of the upper horizontal part of the outer lower section mold body (1) is arranged in contact with the vertical support beam (4), and the side surface of the outer lower section mold body (1) is arranged in contact with the side support pedestal (8) and the vibrator (9), respectively.

6. The forming outer lower segment mold apparatus for a precast box girder according to claim 4, wherein: The intermediate base (2) is provided with inner seat part (21), outer seat part (22), beam part (23), supporting plate part (24), tail seat part (25), moving seat part (26) and thrust screw part (27), and accommodating hole body I (28) is arranged on the front and rear sides of inner seat part (21), accommodating hole body II (29) is arranged on beam part (23), and the left and right end faces of inner seat part (21) are respectively connected with the end faces of beam part (23), the outer end face of beam part (23) on the outer side is connected with the inner end face of outer seat part (22), the outer end face lower side of outer seat part (22) is connected with the inner end face of tail seat part (25), the vertical part upper end of tail seat part (25) is connected with supporting plate part (24) through a pin shaft, the inner end head of thrust screw part (27) is rotatably connected with the outer end face upper side of outer seat part (22), the outer end head of thrust screw part (27) is rotatably connected with the vertical part lower end of tail seat part (25), the middle of thrust screw part (27) is threadedly connected with moving seat part (26), the upper end face of moving seat part (26) is contactingly connected with the lower end face of supporting plate part (24), the lower end face of moving seat part (26) is bevel-to-bevel connected with the horizontal part upper end face of tail seat part (25), the upper end faces of inner seat part (21), outer seat part (22) and supporting plate part (24) are respectively contactingly connected with the outer lower segment mold body (1), the front and rear sides of inner seat part (21) are contactingly connected with side base (3), accommodating hole body I (28) is connected with side base (3) through an intermediate connecting bolt, Or, the inner seat part (21) is provided as a strip-shaped body with a H-shaped opening body at the lower end face, and the outer seat part (22) is provided as a strip-shaped body with a H-shaped blind hole at the lower end face and a convex-shaped blind hole at the outer end face, the crossbeam part (23) is provided as a strip-shaped body, the supporting plate part (24) is provided as a sheet-shaped body with a double-plate lug seat at the outer side of the lower end face, the tail seat part (25) is provided as an L-shaped strip-shaped body with a bevel-shaped upper end face at the horizontal part and a through hole body at the vertical part, and the moving seat part (26) is provided as a block-shaped body with a bevel-shaped lower end face and a middle threaded hole body, the thrust screw part (27) is provided as a inner hexagonal bolt with a convex-shaped inner end head, the accommodating hole body I (28) is provided as a threaded blind hole body, and the accommodating hole body II (29) is provided as a hole-shaped body, the H-shaped blind hole of the outer seat part (22) is provided to be coupled with the convex-shaped inner end head of the thrust screw part 2, and the double-plate lug seat of the supporting plate part (24) is provided to be coupled with the upper through hole body of the tail seat part (25) through a pin shaft, the lower through hole body of the tail seat part (25) and the middle threaded hole body of the moving seat part (26) are respectively provided to be coupled with the thrust screw part (27), and the bevel-shaped upper end face of the tail seat part (25) is provided to be coupled with the bevel-shaped lower end face of the moving seat part (26), the accommodating hole body I (28) is provided to be arranged and distributed along the vertical center line of the inner seat part (21) at intervals, and a plurality of inner seat parts (21) are provided to be serially coupled with each other through a plurality of crossbeam parts (23), Or, the side pedestal (3) is provided to contain a horizontal seat part (31) and a vertical inner seat part (32), and is provided with a mounting window body (33) at the inner side of the horizontal part of the horizontal seat part (31), is provided with an accommodating groove body I (34) at the outer side of the upper end face of the horizontal part of the horizontal seat part (31), and is provided to be coupled with the lower end face of the vertical inner seat part (32) at the inner side of the upper end face of the horizontal part of the horizontal seat part (31), the vertical part of the horizontal seat part (31) is provided to be coupled with the vertical support beam (4) through an intermediate connecting bolt, and the outer side surface of the vertical inner seat part (32) is provided to be contact-coupled with the intermediate pedestal (2), the vertical inner seat part (32) is provided to be coupled with the intermediate pedestal (2) through an intermediate connecting bolt, and the mounting window body (33) is provided to be coupled with the swing beam (7) through a pin shaft, the accommodating groove body I (34) is provided to be coupled with the screw rod of the vertical adjusting screw nut (6), and the outer side of the upper end face of the horizontal part of the horizontal seat part (31) is provided to be coupled with the nut of the vertical adjusting screw nut (6), the vertical part of the horizontal seat part (31) is provided to be threadedly coupled with the horizontal adjusting screw nut (911), Or, the horizontal seat part (31) is provided as an L-shaped block body with a threaded hole body and the vertical inner seat part (32) is provided as a block body with a through hole body, the mounting window body (33) is provided as a rectangular hole body and the accommodation groove body I (34) is provided as a convex-shaped groove body, the threaded hole body of the horizontal seat part (31) is respectively provided to be coupled with the intermediate connecting bolt and the horizontal adjusting screw nut (911) located between the vertical support beam (4) and the side pedestal (3) and the vertical left and right end faces of the horizontal seat part (31) are provided to be contact-coupled with the vertical support beam (4), the through hole body of the vertical inner seat part (32) is provided to be coupled with the intermediate connecting bolt located between the side pedestal (3) and the intermediate pedestal (2) and the inner side face of the vertical inner seat part (32) is provided to be contact-coupled with the flange body of the intermediate connecting bolt located between the side pedestal (3) and the intermediate pedestal (2), the front and rear inner walls of the mounting window body (33) are provided to be coupled with the pin shaft end face located between the side pedestal (3) and the swing beam (7), Or, the vertical support beam (4) is provided as a block body containing a vertical beam part (41), an outer turning beam part (42), an inner inclined beam part (43) and an upper strip part (44) and the inclined part of the outer turning beam part (42) is provided to be coupled with the vertical beam part (41) through a pin shaft, the inclined part of the inner inclined beam part (43) is provided to be coupled with the upper side of the inner end face of the vertical beam part (41) and the upper strip part (44) is respectively provided to be embeddedly coupled with the upper end head of the vertical beam part (41) and the vertical part of the inner inclined beam part (43), the lower end head of the vertical beam part (41) and the vertical part of the outer turning beam part (42) are respectively provided to be coupled with the side pedestal (3) through an intermediate connecting bolt and the upper end face of the upper strip part (44) is provided to be contact-coupled with the outer lower section mold body (1), Or, the vertical beam part (41) is provided as a rectangular rod-shaped body with a Ф-shaped opening body at the upper end head, a rectangular hole body in the middle and a through hole body at the lower end head and the outer turning beam part (42) is provided as an L-shaped strip-shaped body with a through hole body at the inclined part and the vertical part, the inner inclined beam part (43) is provided as an L-shaped strip-shaped body with a Ф-shaped opening body at the vertical part and the upper strip part (44) is provided as a hard wood block-shaped body, the Ф-shaped opening bodies of the vertical beam part (41) and the inner inclined beam part (43) are respectively provided to be coupled with the upper strip part (44) and the rectangular hole body of the vertical beam part (41) is provided to be accommodatively coupled with the inclined part of the outer turning beam part (42), the front and rear inner walls of the rectangular hole body of the vertical beam part (41) are provided to be coupled with the pin shaft end face located between the outer turning beam part (42) and the vertical beam part (41) and the inclined part through hole body of the outer turning beam part (42) is provided to be coupled with the pin shaft located between the outer turning beam part (42) and the vertical beam part (41), the through hole body of the vertical beam part (41) and the vertical part through hole body of the outer turning beam part (42) are respectively provided to be coupled with the intermediate connecting bolt located between the vertical support beam (4) and the side pedestal (3) and the outer end faces of the vertical beam part (41) and the outer turning beam part (42) are respectively provided to be contact-coupled with the flange body of the intermediate connecting bolt located between the vertical support beam (4) and the side pedestal (3).

7. The forming outer lower segment mold apparatus for a precast box girder according to claim 4, wherein: The oblique support beam (5) is provided as a rectangular rod-shaped body with a "F" shaped groove and a threaded hole, and the inner end of the threaded hole of the oblique support beam (5) is provided on the inner wall of the "F" shaped groove of the oblique support beam (5), the inner end of the oblique support beam (5) is provided as a through type connection with the swing beam (7), and the "F" shaped groove of the oblique support beam (5) is provided as a connection with the side support seat (8) and the vibrator (9) respectively, the middle connecting bolt end face on the threaded hole of the oblique support beam (5) is provided as a contact type connection with the side support seat (8) and the vibrator (9) respectively, Or, the screw rod of the vertical adjusting screw rod nut (6) is provided as a hexagonal bolt with a "N" shaped lower end, and the nut of the vertical adjusting screw rod nut (6) is provided as a hexagonal nut, the "N" shaped lower end of the screw rod of the vertical adjusting screw rod nut (6) is provided as a sinking type connection with the side pedestal (3), and the screw rod of the vertical adjusting screw rod nut (6) is provided as a threaded type connection with the swing beam (7), the inner end of the nut of the vertical adjusting screw rod nut (6) is provided as a contact type connection with the side pedestal (3), Or, the horizontal adjusting screw rod nut (911) is provided as a block containing a screw rod part (911) and a seat part (912), and the inner end of the screw rod part (911) is provided as a middle rotating type connection with the outer end of the seat part (912), the outer end of the screw rod part (911) is provided as a threaded type connection with the side pedestal (3), and the inner end of the seat part (912) is provided as a contact type connection with the swing beam (7), Or, the screw rod part (911) is provided as a hexagonal bolt with a "N" shaped inner end, and the seat part (912) is provided as a block with a "N" shaped blind hole in the outer end, the "N" shaped inner end of the screw rod part (911) is provided as a connection with the "N" shaped blind hole of the seat part (912), Or, the swing beam (7) is provided as a block containing a frame rod part (71) and a cylinder part (72), and a receiving hole body III (73) is provided on the horizontal part of the frame rod part (71), the outer end of the inclined part of the frame rod part (71) is provided as a connection with the inner end of the cylinder part (72), and the lower end of the inclined part of the frame rod part (71) is provided as a connection with the side pedestal (3) through a pin shaft, the cylinder part (72) is provided as a receiving type connection with the oblique support beam (5), and the horizontal part of the frame rod part (71) is provided as a contact type connection with the horizontal adjusting screw rod nut (911), and the receiving hole body III (73) is provided as a threaded type connection with the screw rod of the vertical adjusting screw rod nut (6), Or, the frame rod part (71) is provided as a T shaped rod, and the cylinder part (72) is provided as a pipe, the receiving hole body III (73) is provided as a threaded hole, and the cylinder part (72) is provided as a distribution along the center line of the inclined part of the frame rod part (71), Or, the side support seat (8) is provided with an outer box part (81), an inner box part (82), a sliding block part (83) and a spring plate part (84), and is provided with a containing hole body IV (85) at the lower end of the front and rear sides of the outer box part (81), a containing hole body V (86) at the upper end of the front and rear sides of the outer box part (81), and a containing groove body II (87) at the left and right sides of the outer box part (81). The upper end of the outer box part (81) is provided with a lower end port of the inner box part (82) and the inner wall of the outer box part (81) is provided with a peripheral outer side surface of the inner box part (82). The inner end surface of the sliding block part (83) is provided with a left and right outer side surface of the inner box part (82), and the horizontal part of the sliding block part (83) is provided with a containing groove body II (87) penetratingly coupled. The vertical inner end surface of the sliding block part (83) is provided with a left and right outer side surface of the outer box part (81), and the middle of the spring plate part (84) is provided with a bottom inner wall of the inner box part (82). The end of the spring plate part (84) is provided with a containing hole body V (86) penetratingly coupled, and the outer box part (81) is provided with an embeddedly coupled inclined support beam (5). The upper end surface of the inner box part (82) is provided with a contactingly coupled outer lower segment mold body (1), and the containing hole body IV (85) is provided with a middle connecting bolt coupled with the inclined support beam (5), Or, the outer box part (81) is provided as a rectangular box-shaped body with an open upper end, and the inner box part (82) is provided as a rectangular box-shaped body with an open lower end. The sliding block part (83) is provided as a T-shaped seat-shaped body, and the spring plate part (84) is provided as a single-plate spring. The containing hole body IV (85) is provided as a threaded hole body, and the containing hole body V (86) is provided as a rectangular hole body. The containing groove body II (87) is provided as a long hole body, and the containing hole body IV (85) is provided as a horizontal center line of the outer box part (81) arranged and distributed at intervals. At least two sliding block parts (83) and at least two spring plate parts (84) are respectively arranged between the inner box part (82) and the outer box part (81), Or, the vibrator (9) is provided as a vibrating motor with a threaded hole body, and the vibrator (9) is provided as an embeddedly coupled inclined support beam (5). The threaded hole body of the vibrator (9) is provided as a middle connecting bolt coupled with the inclined support beam (5), and the contact of the vibrator (9) is provided as a contactingly coupled outer lower segment mold body (1).

8. The forming outer lower segment mold apparatus for a precast box girder according to any one of claims 1 to 7, characterized in that: The outer lower segment mold body (1) is distributed in a peripheral seat beam support manner with the intermediate seat (2), the side seat (3) and the vertical support beam (4), and the outer lower segment mold body (1), the intermediate seat (2), the side seat (3) and the vertical support beam (4) are distributed in a peripheral inclined beam support manner with the inclined support beam (5), the vertical adjusting screw nut (6), the horizontal adjusting screw nut (911) and the swing beam (7), and the outer lower segment mold body (1), the intermediate seat (2), the side seat (3), the vertical support beam (4), the inclined support beam (5), the vertical adjusting screw nut (6), the horizontal adjusting screw nut (911) and the swing beam (7) are distributed in an external component manner with the side support seat (8) and the vibrator (9), Or, two intermediate seats (2) are arranged on the outer lower segment mold body (1), one side seat (3), a plurality of vertical support beams (4), a plurality of inclined support beams (5), a plurality of vertical adjusting screw nuts (6), a horizontal adjusting screw nut (911), a plurality of swing beams (7), a plurality of side support seats (8) and a plurality of vibrators (9) are arranged to form a group of seat vibration components, a plurality of groups of seat vibration components are arranged between the intermediate seat (2) and the outer lower segment mold body (1), the rod part (71) is respectively coupled with the seat part (912) and the mounting window body (33), the screw part (911), the vertical beam part (41) and the outer rotating beam part (42) are respectively coupled with the horizontal seat part (31), and the vertical inner seat part (32) is coupled with the inner seat part (21).

9. The method for using the forming outer lower segment mold device for precast box girder, characterized in that the steps are: The outer lower segment mold body (1) realizes the forming of the outer mold of the prefabricated box girder, the intermediate seat (2) supports the lower horizontal part of the outer lower segment mold body (1), the vertical support beam (4) and the side seat (3) support the upper horizontal part of the outer lower segment mold body (1), and the edge part is supported by arranging the beam body, and the intermediate support is realized by the seat body with the turnover block.

10. The method of using the forming outer lower segment mold apparatus for precast box girders of claim 4 wherein the steps are: When the prefabricated box girder needs to be poured and formed, the pouring and leveling of the concrete ground is carried out on the beam manufacturing site. After the leveling of the concrete ground is completed, the installation lines of the middle pedestal (2) and the side pedestal (3) are drawn on the leveled concrete ground. The hoisting rope is placed into the accommodating hole body II (29), the inner pedestal (21), the outer pedestal (22) and the transverse pedestal (31) are placed on the installation lines by the hoisting machinery, the outer side surface of the vertical inner pedestal (32) is in contact with the front and rear side surfaces of the inner pedestal (21), the middle connecting bolt between the side pedestal (3) and the middle pedestal (2) is placed into the through hole body of the vertical inner pedestal (32), the middle connecting bolt between the side pedestal (3) and the middle pedestal (2) is rotated in the accommodating hole body I (28), the flange body of the middle connecting bolt between the side pedestal (3) and the middle pedestal (2) acts on the inner side surface of the vertical inner pedestal (32), so that the side pedestal (3) is installed on the middle pedestal (2), the lower transverse part lower end surface of the outer lower segment mold body (1) is placed on the upper end surface of the inner pedestal (21), the upper end surface of the outer pedestal (22) and the upper end surface of the supporting plate part (24), the lower end head of the vertical beam part (41) is placed on the vertical part inner end surface of the transverse pedestal (31), the middle connecting bolt between the vertical support beam (4) and the side pedestal (3) is placed into the vertical part through hole body of the outer rotating beam part (42), the middle connecting bolt between the vertical support beam (4) and the side pedestal (3) is rotated in the threaded hole body of the transverse pedestal (31), the flange body of the middle connecting bolt between the vertical support beam (4) and the side pedestal (3) acts on the outer end surface of the vertical beam part (41), the outer rotating beam part (42) is rotated on the pin shaft between the outer rotating beam part (42) and the vertical beam part (41), the vertical part of the outer rotating beam part (42) is placed on the vertical part outer end surface of the transverse pedestal (31), the middle connecting bolt between the vertical support beam (4) and the side pedestal (3) is placed into the vertical part through hole body of the outer rotating beam part (42), the middle connecting bolt between the vertical support beam (4) and the side pedestal (3) is rotated in the threaded hole body of the transverse pedestal (31), the flange body of the middle connecting bolt between the vertical support beam (4) and the side pedestal (3) acts on the outer end surface of the outer rotating beam part (42), so that the vertical support beam (4) is installed on the side pedestal (3), the upper strip part (44) is placed into the N-shaped opening body of the vertical beam part (41), the upper strip part (44) is hammered, the upper strip part (44) enters into the N-shaped opening body of the inner inclined beam part (43), so that the upper strip part (44) is installed between the outer lower segment mold body (1) and the vertical support beam (4), the outer box part (81) is placed into the N-shaped groove body of the inclined support beam (5), the middle connecting bolt between the side support pedestal (8) and the inclined support beam (5) is rotated in the threaded hole body of the inclined support beam (5),The end of the intermediate connecting bolt between the side support base (8) and the inclined support beam (5) is connected with the accommodating hole body IV (85), so that the side support base (8) is installed in the inclined support beam (5). The vibrator (9) is placed in the U-shaped groove of the inclined support beam (5), the end of the intermediate connecting bolt between the vibrator (9) and the inclined support beam (5) is connected with the threaded hole of the vibrator (9), so that the vibrator (9) is installed in the inclined support beam (5). The inner end of the inclined support beam (5) is installed in the barrel (72), the screw rod of the vertical adjusting screw nut (6) is rotated in the accommodating hole body III (73), the screw rod of the vertical adjusting screw nut (6) is moved in the accommodating groove I (34), the inclined lower end of the frame rod (71) is swung on the pin shaft between the side pedestal (3) and the swing beam (7), the upper end face of the inner box (82) and the contact of the vibrator (9) act on the side of the outer lower segment mold body (1) respectively, the nut of the vertical adjusting screw nut (6) is rotated on the screw rod of the vertical adjusting screw nut (6), the inner end face of the nut of the vertical adjusting screw nut (6) acts on the outer side of the horizontal part of the horizontal seat (31), the screw rod (911) is rotated in the threaded hole of the horizontal seat (31), the inner end of the screw rod (911) is rotated in the blind hole of the seat (912), the inner end face of the seat (912) acts on the end face of the horizontal part of the frame rod (71), so that the inclined support beam (5), the swing beam (7), the side support base (8) and the vibrator (9) are installed between the outer lower segment mold body (1) and the side pedestal (3). The outer lower segment mold body (1) is used to form and manufacture the prefabricated box girder. When the concrete mortar of the prefabricated box girder needs to be vibrated and rammed, the outer end of the thrust screw rod (27) is rotated in the lower through hole of the tail seat (25), the inner end of the thrust screw rod (27) is rotated in the blind hole of the outer seat (22), the thrust screw rod (27) is screwed with the middle threaded hole of the moving seat (26), the inclined lower end of the moving seat (26) is moved on the inclined upper end of the tail seat (25), the pin shaft on the double plate ear seat of the bracket plate (24) is rotated in the upper through hole of the tail seat (25), the bracket plate (24) generates an upward force on the end of the outer lower segment mold body (1), the inner box (82) is supported by the spring plate (84), the outer lower segment mold body (1) is supported by the upper strip (44), the vibrator (9) is in a working state, and the concrete mortar of the prefabricated box girder is vibrated and rammed. When the vibration and ramming of the concrete mortar of the prefabricated box girder is completed, the vibrator (9) is in a non-working state.When the prefabricated box girder is not needed to be casted and formed, the screw rod part (911) is reversely rotated in the threaded hole body of the transverse seat part (31), the convex letter-shaped inner end head of the screw rod part (911) is reversely rotated in the convex letter-shaped blind hole of the abutting seat part (912), the inner end face of the abutting seat part (912) is separated from the transverse end face of the frame rod part (71), the nut of the vertical adjusting screw rod nut (6) is reversely rotated on the screw rod of the vertical adjusting screw rod nut (6), the inner end face of the nut of the vertical adjusting screw rod nut (6) is separated from the outer side of the upper end face of the transverse part of the transverse seat part (31), the screw rod of the vertical adjusting screw rod nut (6) is reversely rotated in the accommodating hole body III (73), the convex letter-shaped lower end head of the screw rod of the vertical adjusting screw rod nut (6) is reversely moved in the accommodating groove body I (34), the lower end head of the inclined part of the frame rod part (71) is reversely swung on the pin shaft between the side pedestal (3) and the swing beam (7), the upper end face of the inner box part (82) and the contact of the vibrator (9) are respectively separated from the side face of the outer lower section mold body (1), the outer swing beam part (42) and the vertical beam part (41) are separated from the vertical part of the transverse seat part (31) through the intermediate connecting bolts between the vertical support beam (4) and the side pedestal (3), the upper bar part (44) is separated from the outer lower section mold body (1).

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