Girder surface gradient control device for prefabricated box girder

Abstract

The utility model relates to the technical field of prefabricated box girders, in particular to a prefabricated box girder surface gradient control device, which comprises a guide rail, a beam surface gradient control device and a beam surface gradient control device, the movable frame is arranged above the prefabricated box girder; the forming assembly is arranged on the moving frame, the forming assembly comprises a forming roller, the forming roller is suitable for making contact with the top face of the prefabricated box girder, the forming roller is arranged in the width direction of the guide rail, and the side wall of the forming roller is arranged in a wave shape in the axial direction of the forming roller; the two supporting frames are located at the two ends of the movable frame. The movable end of the moving assembly is connected with the guide rail so as to drive the moving frame to move on the guide rail in the length direction of the guide rail in a wavy curve mode. The side wall of the forming roller is arranged in a wave shape in the axial direction of the forming roller, so that the beam surface is in a wave shape in the width direction of the guide rail, the moving assembly drives the moving frame to move in a wave curve shape in the direction of the guide rail, the beam surface is in a wave shape in the length direction of the guide rail, and then the beam surface facilitating drainage is conveniently formed. And the construction efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to precast box girder technical field especially relates to a precast box girder beam face gradient control device. BACKGROUND

[0002] Box girder is a kind of girder in bridge engineering, inside is hollow, upper two sides have flange, similar to box, thus get the name, divided into single box, multiple boxes etc.

[0003] The box girder of reinforced concrete structure is divided into precast box girder and cast-in-situ box girder, the precast box girder is precast in independent site, and the erection can be carried out after the lower part engineering is completed, so as to accelerate engineering progress and save construction period.

[0004] In order to improve the drainage effect of beam face, the beam face is often designed, and the drainage hole is arranged at the four corner points of each rectangular region on the beam face, so as to realize rapid drainage. Figure 1 Figure 1 The utility model discloses a kind of devices that can shape beam face into Utility model content

[0005] The utility model provides a precast box girder beam face gradient control device to solve the technical problems in the prior art.

[0006] The utility model discloses a precast box girder beam face gradient control device, including guide rail, is installed on the mould frame of precast box girder;Movable frame is located at the top of precast box girder;Forming assembly is located on movable frame, and the forming assembly includes forming roller, and the forming roller is suitable for being contacted with the top surface of precast box girder, and the forming roller is arranged along the width direction of guide rail, and the side wall of forming roller is arranged in wave shape along its axial direction;Support frame is equipped with two, and is located at the both ends of movable frame;Moving assembly is located on support frame, and the movable end of moving assembly is connected with guide rail, to drive movable frame to move along the length direction of guide rail in wave curve on guide rail.

[0007] The utility model discloses a precast box girder beam face gradient control device, through the setting of the side wall of forming roller in wave shape along its axial direction, it is convenient to make the beam face form wave shape along the width direction of guide rail, simultaneously, through moving assembly drive movable frame to move along the direction of guide rail in wave curve, make the beam face form wave shape along the length direction of guide rail, further, it is convenient to form the beam face of drainage, precision is high, and construction efficiency is high.

[0008] Further, the forming assembly further includes a bracket, the bracket is fixedly connected with the movable frame, and the bracket is rotatably connected with the forming roller. ​

[0009] Further, the forming assembly further comprises a first driving member, a first transmission wheel, a second transmission wheel and a first transmission belt, the first driving member is fixedly connected to the moving frame, the output end of the first driving member is coaxially connected with the first transmission wheel, the second transmission wheel is coaxially connected with the forming roller, and the first transmission belt is sleeved on the first transmission wheel and the second transmission wheel.

[0010] Further, the moving frame is fixedly connected with the support frame, a transmission rod is rotatably connected to the moving frame, a first gear is coaxially connected to the transmission rod, a second gear is coaxially connected to the output end of the first driving member, and the first gear is engaged with the second gear.

[0011] Further, the moving assembly comprises a first support plate, a first rotating shaft and a first roller, the first support plate is fixedly connected with the support frame, the first support plate is rotatably connected with the first rotating shaft, the first rotating shaft is fixedly connected with the first roller in a coaxial mode, a first guide groove is formed in the side surface of the guide rail, the bottom wall of the first guide groove is arranged in a wave curve mode, and the first roller is located in the first guide groove.

[0012] Further, the same second transmission belt is sleeved on the transmission rod and the first rotating shaft.

[0013] Further, the moving frame is fixedly connected with the support frame, the moving assembly comprises a second support plate, a second rotating shaft and a second roller, the second support plate is fixedly connected with the support frame, the second support plate is rotatably connected with the second rotating shaft, the second rotating shaft is fixedly connected with the second roller, a second guide groove is formed in the top surface of the guide rail, the first roller is located in the first guide groove, and the second rotating shaft and the second roller are arranged in an eccentric mode.

[0014] Further, the same third transmission belt is sleeved on the transmission rod and the second rotating shaft.

[0015] Further, the moving frame is slidably connected with the support frame in a vertical direction, the moving assembly comprises a third support plate, a third rotating shaft and a third roller, the third support plate is fixedly connected with the moving frame, the third rotating shaft is rotatably connected with the third support plate, the third rotating shaft is fixedly connected with the third roller and arranged in an eccentric mode, a third guide groove is formed in the top surface of the guide rail, and the third roller is located in the third guide groove.

[0016] The second driving member is fixedly connected to the support frame, the output end of the second driving member is fixedly connected with a third gear in a coaxial mode, a rack is fixedly connected to the side wall of the guide rail, and the third gear is engaged with the rack.

[0017] Further, a supporting wheel is rotatably connected to the bottom of the support frame, and the supporting wheel is located in the third guide groove.

[0018] The utility model discloses the beneficial effect is,

[0019] 1、Through the setting of the wave shape of the side wall of the forming roller along the self axial direction, the beam surface along the width direction of the guide rail is formed in a wave shape, and through the moving assembly driving the moving frame to move along the wave curve direction of the guide rail, the beam surface along the length direction of the guide rail is formed in a wave shape, thereby the beam surface facilitating drainage is formed, the precision is high, and the construction efficiency is high.

[0020] 2、The support frame moves along the length direction of the guide rail through the cooperation of the third gear and the rack, the moving frame moves along the vertical direction through the eccentric setting of the third roller and the third rotating shaft, the combination of the two makes the moving frame move along the length direction of the guide rail in a wave shape, meanwhile, the third rotating shaft and the roller do not participate in driving, which can improve the stability of the movement and guarantee the movement precision, meanwhile, the guide rail can be a straight guide rail, which is convenient for production and installation. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be further explained in connection with the drawings and examples.

[0022] Figure 1 It is a top view showing the beam surface and the drainage hole in the background technology.

[0023] Figure 2 It is a structure schematic view of the whole of the prefabricated box girder beam surface slope control device in the utility model.

[0024] Figure 3 It is a schematic view of example 1 in the utility model.

[0025] Figure 4 It is a schematic view of example 2 in the utility model.

[0026] Figure 5 It is a schematic view of example 3 in the utility model.

[0027] Figure 6 It is a schematic view of the third rotating shaft in the utility model.

[0028] In the figure: 1, guide rail; 11, first guide groove; 12, second guide groove; 13, third guide groove; 2, support frame; 3, moving frame; 31, transmission rod; 32, first gear; 33, second gear; 4, forming assembly; 41, forming roller; 42, support; 43, first driving part; 44, first transmission wheel; 45, second transmission wheel; 46, first transmission belt; 5, moving assembly; 51, first support plate; 511, first rotating shaft; 512, first roller; 513, second transmission belt; 52, second support plate; 521, second rotating shaft; 522, second roller; 523, third transmission belt; 53, third support plate; 531, third rotating shaft; 532, third roller; 533, second driving part; 534, third gear; 535, rack; 536, support wheel; 6, beam surface; 61, drainage hole; 62, intermediate position. DETAILED DESCRIPTION

[0029] The utility model will be described in further detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the structure related to the utility model.

[0030] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the features limited as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. In the description of the utility model, it should be noted that, unless otherwise 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 between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] The utility model discloses a prefabricated box beam surface slope control device.

[0032] Reference Figure 2The utility model provides a prefabricated box beam surface slope control device, including guide rail 1, guide rail 1 fixed mounting is located on the mould frame of prefabricated box beam. Guide rail 1 is equipped with two groups, is located on the mould frame of prefabricated box beam two sides respectively. The support frame 2 of every guide rail 1 is equipped with, and the mobile frame 3 of connecting between two support frames 2 is located the top of prefabricated box beam. Mobile frame 3 is equipped with forming assembly 4, and forming assembly 4 includes forming roller 41, and forming roller 41 is suitable for contacting the top surface of prefabricated box beam, and forming roller 41 is along the width direction of guide rail 1 setting, and the lateral wall of forming roller 41 is along the axial direction of itself and is arranged in the wave shape. The mobile assembly 5 of support frame 2 is equipped with, and the movable end of mobile assembly 5 is connected with guide rail 1, to drive mobile frame 3 and be along the length direction of guide rail 1 and be arranged in the wave curve movement of guide rail 1. The bottom rotation of support frame 2 is connected with support wheel 536, and support wheel 536 is connected with guide rail 1, to support support frame 2. In addition, support frame 2 and mobile frame 3 work under gantry, and the hook of two groups of cranes on gantry is connected with two support frames 2 respectively, and crane follows support frame 2 moves simultaneously, to guarantee that support frame 2 can move stably.

[0033] Through the lateral wall of forming roller 41 and be arranged in the wave shape along the axial direction of itself, it is convenient to make the beam surface 6 and be arranged in the wave shape along the width direction of guide rail 1, and through mobile assembly 5 and drive mobile frame 3 and be arranged in the wave curve movement along the direction of guide rail 1, make the beam surface 6 and be arranged in the wave shape along the length direction of guide rail 1, to the beam surface 6 of forming out conveniently and drain, precision is high, and construction efficiency is high.

[0034] Specifically, forming assembly 4 further includes support 42, first driving part 43, first transmission wheel 44, second transmission wheel 45 and first transmission belt 46, support 42 is fixedly connected with mobile frame 3, and support 42 is rotationally connected with forming roller 41. First driving part 43 is fixedly connected on mobile frame 3, the output end of first driving part 43 is coaxially connected with first transmission wheel 44, second transmission wheel 45 is coaxially connected with forming roller 41, and first transmission belt 46 is sleeved on first transmission wheel 44 and second transmission wheel 45. The output end of first driving part 43 rotates, drives first transmission wheel 44 to rotate, first transmission wheel 44 drives second transmission wheel 45 to rotate through first transmission belt 46, and then drives forming roller 41 to rotate. First driving part 43 can adopt a stepping motor, first transmission wheel 44, second transmission wheel 45 and first transmission belt 46 can adopt chain transmission or synchronous belt transmission.

[0035] Embodiment 1:

[0036] With reference to Figure 3The moving frame 3 is fixedly connected with the support frame 2, the moving frame 3 is rotationally connected with a transmission rod 31, the transmission rod 31 is coaxially connected with a first gear 32, the output end of the first driving member 43 is coaxially connected with a second gear 33, the first gear 32 is engaged with the second gear 33, so that when the output end of the first driving member 43 rotates, the transmission rod 31 can be simultaneously driven to rotate.

[0037] The moving assembly 5 comprises a first support plate 51, a first rotating shaft 511 and a first roller 512, the first support plate 51 is fixedly connected with the support frame 2, the first support plate 51 is rotationally connected with the first rotating shaft 511, the first rotating shaft 511 is coaxially fixedly connected with the first roller 512, the guide rail 1 is provided with a first guide groove 11 on the side surface, the bottom wall of the first guide groove 11 is provided in a wavy curve, and the first roller 512 is located in the first guide groove 11. The transmission rod 31 and the first rotating shaft 511 are sleeved with a same second transmission belt 513, the transmission rod 31 drives the first rotating shaft 511 to rotate through the second transmission belt 513, and then when the output end of the first driving member 43 rotates, the forming roller 41 and the first roller 512 are both rotated, so that the rotation of the forming roller 41 is synchronized with the movement of the first roller 512, and the forming roller 41 does not need to be controlled separately after the moving frame 3 stops moving. The second transmission belt 513 can be a chain or a synchronous belt. In the embodiment, the support wheel 536 is located in the first guide groove 11 (not shown in the figure).

[0038] Embodiment 2:

[0039] With reference to Figure 4 The difference from the embodiment 1 is that the moving assembly 5 comprises a second support plate 52, a second rotating shaft 521 and a second roller 522, the second support plate 52 is fixedly connected with the support frame 2, the second support plate 52 is rotationally connected with the second rotating shaft 521, the second rotating shaft 521 is fixedly connected with the second roller 522, the guide rail 1 is provided with a second guide groove 12 on the top surface, the first roller 512 is located in the first guide groove 11, and the second rotating shaft 521 and the second roller 522 are eccentrically arranged. The transmission rod 31 and the second rotating shaft 521 are sleeved with a same third transmission belt 523, the transmission rod 31 drives the second rotating shaft 521 to rotate through the third transmission belt 523, and then when the output end of the first driving member 43 rotates, the forming roller 41 and the second roller 522 are both rotated, so that the rotation of the forming roller 41 is synchronized with the movement of the second roller 522, and the forming roller 41 does not need to be controlled separately after the moving frame 3 stops moving. In the embodiment, the support wheel 536 is located in the second guide groove 12 (not shown in the figure).

[0040] Embodiment 3:

[0041] With reference to Figure 5 and Figure 6Different from the embodiment 1, the moving frame 3 is slidingly connected with the support frame 2 along the vertical direction, the moving assembly 5 comprises a third support plate 53, a third rotating shaft 531 and a third roller 532, the third support plate 53 is fixedly connected with the moving frame 3, the third rotating shaft 531 is rotationally connected with the third support plate 53, the third rotating shaft 531 is fixedly connected with the third roller 532 and is eccentrically arranged, the top surface of the guide rail 1 is provided with a third guide groove 13, and the third roller 532 is located in the third guide groove 13. The support frame 2 is fixedly connected with a second driving member 533, the output end of the second driving member 533 is coaxially fixedly connected with a third gear 534, the sidewall of the guide rail 1 is fixedly connected with a rack 535, and the third gear 534 is engaged with the rack 535. In the embodiment, a support wheel 536 is located in the third guide groove 13. The movement of the support frame 2 along the length direction of the guide rail 1 is realized by cooperation of the third gear 534 and the rack 535, the movement of the moving frame 3 along the vertical direction is realized by the eccentric arrangement of the third roller 532 and the third rotating shaft 531, and the combination of the two enables the moving frame 3 to move along the length direction of the guide rail 1 in a wave shape, meanwhile, the third rotating shaft 531 and the roller do not participate in driving, so that the stability of the movement is improved, the movement precision is guaranteed, meanwhile, the guide rail 1 can be a straight guide rail 1, and production and installation are relatively convenient. The second driving member 533 can be a stepping motor, and the third transmission belt 523 can be a chain or a synchronous belt.

[0042] Working principle: the side wall of the forming roller 41 is arranged in a wave shape along the axial direction of the forming roller 41, so that the beam surface 6 is formed in a wave shape along the width direction of the guide rail 1, meanwhile, the moving frame 3 is driven by the moving assembly 5 to move along the guide rail 1 in a wave curve, so that the beam surface 6 is formed in a wave shape along the length direction of the guide rail 1, thereby facilitating the forming of the beam surface 6 convenient for drainage, high precision and high construction efficiency.

[0043] Based on the above ideal embodiments of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of claims.

Claims

1. A precast box girder deck slope control device, characterized by, The utility model relates to a box girder prefabricating device, including Rail (1) is installed to prefabricated box girder's mould frame, Movable frame (3) is located above prefabricated box girder, Forming assembly (4) is located movable frame (3), and the forming assembly (4) includes forming roller (41), and the forming roller (41) is suitable for contacting with the top surface of prefabricated box girder, and the forming roller (41) is arranged along the width direction of rail (1), and the side wall of forming roller (41) is arranged in the wave shape along the axial direction of itself, Support frame (2) is equipped with two and is located the both ends of movable frame (3), Movable assembly (5) is located support frame (2), and the movable end of movable assembly (5) is connected with rail (1) to drive movable frame (3) to move along the length direction of rail (1) in the wave curve of rail (1).

2. The device for controlling the slope of the surface of a precast box girder according to claim 1, characterized in that, The forming assembly (4) further includes a bracket (42) fixedly connected with the movable frame (3), and the bracket (42) is rotatably connected with the forming roller (41).

3. The device for controlling the slope of the surface of a precast box girder according to claim 1, characterized in that, The forming assembly (4) further includes a first driving member (43), a first transmission wheel (44), a second transmission wheel (45) and a first transmission belt (46), the first driving member (43) is fixedly connected to the movable frame (3), the output end of the first driving member (43) is coaxially connected with the first transmission wheel (44), the second transmission wheel (45) is coaxially connected with the forming roller (41), and the first transmission belt (46) is sleeved on the first transmission wheel (44) and the second transmission wheel (45).

4. The device for controlling the slope of the surface of a precast box girder according to claim 3, characterized in that, The movable frame (3) is fixedly connected with the support frame (2), a transmission rod (31) is rotatably connected to the movable frame (3), a first gear (32) is coaxially connected to the transmission rod (31), the output end of the first driving member (43) is coaxially connected with a second gear (33), and the first gear (32) is engaged with the second gear (33).

5. A precast box girder deck slope control device as claimed in claim 4, wherein, The movable assembly (5) includes a first support plate (51), a first rotating shaft (511) and a first roller (512), the first support plate (51) is fixedly connected with the support frame (2), the first support plate (51) is rotatably connected with the first rotating shaft (511), the first rotating shaft (511) is fixedly connected with the first roller (512) in a coaxial manner, a first guide groove (11) is formed in the side surface of the rail (1), the bottom wall of the first guide groove (11) is arranged in a wave curve, and the first roller (512) is located in the first guide groove (11).

6. A precast box girder deck slope control device as claimed in claim 5, wherein, The same second transmission belt (513) is sleeved on the transmission rod (31) and the first rotating shaft (511).

7. A precast box girder deck slope control device as claimed in claim 6, wherein, The movable assembly (5) includes a second support plate (52), a second rotating shaft (521) and a second roller (522), the second support plate (52) is fixedly connected with the support frame (2), the second support plate (52) is rotatably connected with the second rotating shaft (521), the second rotating shaft (521) is fixedly connected with the second roller (522), a second guide groove (12) is formed in the top surface of the rail (1), the first roller (512) is located in the first guide groove (11), and the second rotating shaft (521) and the second roller (522) are arranged in an eccentric manner.

8. A precast box girder deck slope control device as claimed in claim 7, wherein, The transmission rod (31) and the second rotating shaft (521) are sleeved with a same third transmission belt (523).

9. A precast box girder deck slope control device as described in claim 3 wherein, The moving frame (3) is in sliding connection with the support frame (2) in the vertical direction, the moving assembly (5) comprises a third support plate (53), a third rotating shaft (531) and a third roller (532), the third support plate (53) is fixedly connected with the moving frame (3), the third rotating shaft (531) is in rotating connection with the third support plate (53), the third rotating shaft (531) is fixedly connected with the third roller (532) and is arranged eccentrically, and the top surface of the guide rail (1) is provided with a third guide groove (13), and the third roller (532) is located in the third guide groove (13); The support frame (2) is fixedly connected with a second driving member (533), the output end of the second driving member (533) is coaxially fixedly connected with a third gear (534), the sidewall of the guide rail (1) is fixedly connected with a rack (535), and the third gear (534) is in meshing connection with the rack (535).

10. A precast box girder deck slope control device as described in claim 1 wherein, The bottom of the support frame (2) is rotatably connected with a support wheel (536), the support wheel (536) is connected with the guide rail (1) and can slide relative to the guide rail (1).

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