A demoulding device for a bridge prefabricated beam production system

Abstract

The present invention discloses a demoulding device for a bridge prefabricated beam production system, comprising a base with a prefabricated beam placed in the middle of the top and demoulding devices arranged on both sides of the top of the base, and a lifting mechanism for lifting the prefabricated beam is also provided above the two demoulding devices; the lifting mechanism comprises a truss with both ends connected to the base by inclined rods and in an inverted U-shape, and two mutually symmetrical first hydraulic cylinders are provided inside the truss, and the length directions of the two first hydraulic cylinders are parallel to the length directions of the truss, and their output ends are respectively directed to the two ends of the truss, and the output ends of the two first hydraulic cylinders are connected to connecting blocks by pull rods, and vertical downward guide components are provided on both sides of the bottom of the truss; this scheme can realize the rapid separation of the prefabricated beam from the equipment after demoulding by arranging the hoisting mechanism, so that the user can be more convenient in demoulding the prefabricated beam, thereby improving the user's work efficiency and making the equipment better.

Description

Technical Field

[0001] The present invention relates to the technical field of bridge beam preparation and forming, and in particular to a demoulding device used in a bridge prefabricated beam production system. Background Art

[0002] A bridge generally refers to a structure erected across rivers, lakes, and seas to allow vehicles and pedestrians to pass smoothly. To adapt to the modern, rapidly developing transportation industry, bridges have also been extended to buildings that are erected to cross mountain streams, poor geology, or to meet other transportation needs, making travel more convenient. A bridge generally consists of a superstructure, a substructure, supports, and ancillary structures. The superstructure, also known as the span structure, is the main structure for crossing obstacles; the substructure includes abutments, piers, and foundations; supports are force-transmitting devices installed at the supporting locations between the span structure and the piers or abutments; and ancillary structures include bridgehead slabs, conical slope protection, revetments, diversion projects, etc.

[0003] At present, demoulding equipment is often required when forming bridge beams. However, the existing demoulding equipment has certain defects when demoulding bridge beams. When demoulding bridge beams, it is difficult for users to take out the prefabricated beams in time when the template is separated from the prefabricated bridge beams, which makes it inconvenient for users to take out the prefabricated beams and affects the work efficiency of users and the use effect of the equipment. Summary of the Invention

[0004] The object of the present invention is to provide a demoulding device for a bridge prefabricated beam production system to solve the above-mentioned problems.

[0005] The present invention is achieved through the following technical solutions:

[0006] A demoulding device for a bridge prefabricated beam production system comprises a base with a prefabricated beam placed in the middle of the top and demoulding devices provided on both sides of the top of the base, and a hoisting mechanism for hoisting the prefabricated beam provided above the two demoulding devices;

[0007] The lifting mechanism includes a truss with two ends connected to the base by inclined rods and in an inverted U-shape. Two symmetrical first hydraulic cylinders are provided inside the truss. The length directions of the two first hydraulic cylinders are parallel to the length directions of the truss, and their output ends are respectively directed to the two ends of the truss. The output ends of the two first hydraulic cylinders are connected to connecting blocks through pull rods. Vertical downward guide assemblies are provided on both sides of the bottom of the truss. The lower side of the guide assembly is also provided with a clamping part for clamping the prefabricated beam body. The side of any of the connecting blocks is connected with a steel wire rope that passes through the guide assembly and is connected to the clamping part. It should be further explained here that in order to facilitate the connecting block to pull the prefabricated beam body through the steel wire rope, the present scheme also provides a guide wheel for guiding the steel wire rope inside the truss and above the guide assembly.

[0008] At present, demoulding equipment is often required when forming bridge beams. However, the existing demoulding equipment has certain defects when demoulding the bridge beams. When demoulding the bridge beams, it is difficult to take out the prefabricated beams in time when the template is separated from the prefabricated bridge beams, which makes it inconvenient for users to take out the prefabricated beams and affects the user's work efficiency and the use effect of the equipment. Based on this, in this solution, a lifting mechanism is specially provided on the top of the two demoulding devices, so that when the equipment demoulds the prefabricated beams, the prefabricated beams can be lifted and taken out at the same time, so that the prefabricated beams can be quickly separated from the equipment after demoulding, so that the user can take out the prefabricated beams more conveniently when demoulding, thereby improving the efficiency of the demoulding process. Improve the user's work efficiency and make the equipment more effective. Specifically, when the user uses the equipment to demould the prefabricated beam, the prefabricated beam can be clamped by the clamping part first. After the clamping part is clamped with the prefabricated beam, the user can start the first hydraulic cylinder to drive the pull rod to retract after the first hydraulic cylinder works, so that the pull rod retracts and the steel wire rope is pulled up through the connecting block, so that the steel wire rope is pulled up and the prefabricated beam is pulled up through the clamping part, so that the user can take out the prefabricated beam in time. Further in this scheme, through the setting of the guide component, the steel wire can be guided when it rises, so that the steel wire rope can always remain stable when pulling the prefabricated beam up through the clamping part, and there will be no left and right shaking.

[0009] Furthermore, any of the guide components includes an outer sleeve with a hollow interior, a through groove provided on its outer surface along the axial direction of the outer sleeve corresponding to the position of the prefabricated beam body, a corrugated expansion joint coaxially arranged in the outer sleeve and capable of expansion and contraction along the axial direction of the outer sleeve, a slider arranged at the bottom and top of the corrugated expansion joint and connected to the bottom end of the steel wire rope passing through the outer sleeve and the corrugated expansion joint, and a connecting rod located on the side of the slider, one end of which is connected to the slider, and the other end of which passes through the through groove and is connected to the clamping member.

[0010] In this solution, when the steel wire rope pulls the prefabricated beam to rise through the clamping part, the slider can slide up in the outer sleeve under the pull of the steel wire rope, and because the slider can only slide along its axial direction in the outer sleeve, the steel wire rope can be guided by the cooperation of the slider and the outer sleeve, so that the steel wire rope can only pull the prefabricated beam to move in the vertical direction, thereby effectively avoiding the left and right shaking when the steel wire rope pulls the prefabricated beam to move upward, which affects the use effect of the equipment. At the same time, in this solution, a corrugated expansion joint is further provided on the top of the slider, so when the slider slides up in the outer sleeve as the steel wire rope is pulled, the corrugated expansion joint on its top will be squeezed, so that the corrugated expansion joint will be squeezed in the outer sleeve. The bellows expansion joint shrinks, and since it still has a certain thickness after shrinkage, it can effectively avoid the rigid impact between the slider and the outer sleeve when the slider slides up to the limit height in the outer sleeve under the pull of the wire rope, thereby realizing a buffer protection between the slider and the outer sleeve, avoiding collision and damage between the slider and the outer sleeve, and further ensuring that when the steel wire rope pulls the prefabricated beam to the limit height, the prefabricated beam will not shake due to the rigid impact between the slider and the outer sleeve, thereby ensuring the stability of the prefabricated beam when it is lifted and demoulded. It should be noted here that the main purpose of lifting the prefabricated beam in this scheme is to facilitate the user to take out the prefabricated beam in time, so there is no need to lift the prefabricated beam to a higher height.

[0011] Furthermore, a coil spring is sleeved on the outer surface of the bellows expansion joint, the top and bottom ends of the coil spring are respectively connected to the outer sleeve and the slider, and the outer spiral surface of the coil spring is slidably connected to the inner wall of the outer sleeve.

[0012] In this solution, through the setting of the coil spring, when the corrugated expansion joint is compressed during the sliding of the slider, it can simultaneously elastically contract after being squeezed by the slider, thereby generating an elastic buffering force. The elastic buffering force can limit the sliding speed of the slider to a certain extent, so as to avoid the slider sliding up too fast and causing the prefabricated beam to shake during the lifting process, thereby ensuring that the user can lift and remove the prefabricated beam smoothly.

[0013] Specifically, the clamping member includes an outer frame connected to the connecting rod, a clamping plate hinged at the upper and lower sides of the outer frame, and forming a C-shaped structure with the outer frame, a first cylinder installed in the middle of the inner part of the outer frame, the output end of which extends in a direction away from the connecting rod and is connected to a push rod, a clamping plate installed on the free end of the push rod extending to the outside of the outer frame, a connecting sleeve which is sleeved on the outside of the push rod and has joint rods hinged at the top and bottom, and the ends of the two joint rods away from the connecting sleeve are hinged to the two clamping plates, respectively, to form an isosceles triangle structure.

[0014] In this solution, the specific process of the user clamping the prefabricated beam through the clamping piece is that the user first places the outer frame on the raised parts on both sides of the prefabricated beam, and then starts the first cylinder so that after the first cylinder is started, the push rod is pushed to move in the direction close to the prefabricated beam, and then the movement of the push rod drives the connecting sleeve to move. After the connecting sleeve moves, it can drive the joint rod to deflect at a certain angle, so that after the joint rod is deflected, it pushes the clamping plate to deflect in the direction close to the prefabricated beam, so that the clamping plate clamps and fixes the prefabricated beam.

[0015] Specifically, any of the demolding devices includes a support plate, an L-shaped support arranged on the upper part of the support plate, the bottom of which is hinged to the support plate through a hinged seat and consists of a vertical section and a horizontal section, a second cylinder located on one side of the L-shaped support, the output end of which is hinged to the side of the L-shaped support, and the bottom end of which is inclined downward along the side away from the L-shaped support, a right-angled triangle structure is formed between the second cylinder, the support plate and the L-shaped support, and the second cylinder is used to pull the L-shaped support to deflect through the hinged seat.

[0016] In this solution, when the user needs to take out the prefabricated beam after it is formed, the user can start the second cylinder to contract, so that the second cylinder contracts and pulls the L-shaped support to flip through the hinge seat. After the L-shaped support flips, the side of the prefabricated beam can be separated from the L-shaped support, and by flipping the L-shaped support, the bottom of the prefabricated beam can be lifted up, so that the user can demold the prefabricated beam.

[0017] Furthermore, the inner sides of the two L-shaped supports are connected to a template that is compatible with the side of the prefabricated beam through a second hydraulic cylinder. In this solution, the template can be pushed closer to or away from the prefabricated beam through the setting of the second hydraulic cylinder.

[0018] Furthermore, it also includes a buffer placement component located between the two demoulding devices and used to place the prefabricated beam body, the buffer placement component includes a placement seat with a bottom welded to the base and protrusions on both sides, an accommodating cavity located in the middle of the top of the placement seat and with a downwardly recessed bottom, an elastic plate installed on the top of the accommodating cavity and flush with the top plane of the placement seat, an elastic bag installed inside the accommodating cavity for supporting the elastic plate, a medium storage box installed on the side of the placement seat and connected to the elastic bag through a delivery pipe, and a medium delivery pump installed inside the medium storage box.

[0019] It should be noted here that, through the setting of the buffer placement component, the user can buffer the bottom of the prefabricated beam when placing the prefabricated beam, so as to avoid the prefabricated beam from directly colliding with the placement seat due to its large mass. The specific process is that when the user needs to place the prefabricated beam, the user can first close the delivery pipe and start the medium delivery pump at the same time, so that the medium delivery pump delivers the medium in the medium storage box to the elastic bag, and then the elastic bag is filled with the medium and gradually expands, so that the expansion of the elastic bag supports the elastic plate and makes it bulge upwards. Since the elastic plate bulges under the support of the elastic bag, its plate surface height is higher than the placement seat. The seat is provided, so when the user places the prefabricated beam, the bottom of the prefabricated beam will first contact the elastic plate, and after the prefabricated beam contacts the elastic plate, the user can turn off the medium delivery pump to stop it from working, and open the delivery pipe. Then, as the prefabricated beam gradually falls, the elastic airbag will be pressurized and will gradually press the medium inside it back into the medium storage box through the delivery pipe until the elastic plate returns to its original position and is flush with the placement seat, thereby making the prefabricated beam as a whole contact with the placement seat, thereby achieving cushioning of the prefabricated beam when it is placed, so as to avoid direct collision of the prefabricated beam with the placement seat when it is placed and damage to the equipment, thereby effectively improving the service life of the equipment.

[0020] Furthermore, a splicing portion is provided between the horizontal section of the L-shaped support and the protruding portion of the placement seat, and the splicing portion is used to form a plane between the horizontal section of the L-shaped support and the protruding portion of the placement seat, and it includes a first lap joint and a second lap joint that cooperate with each other, the side of the first lap joint is connected to the horizontal section of the L-shaped support, the side of the second lap joint away from the first lap joint is connected to the placement seat, and the bottom of the first lap joint is in contact with the top of the second lap joint.

[0021] In this solution, a splicing portion is provided between the horizontal section of the L-shaped support and the protruding portion of the placement seat. Its main purpose is to form a plane that is approximately integral between the horizontal end of the L-shaped support and the placement seat when the prefabricated beam is prepared and formed, so that the bottom of the prefabricated beam can be flatly supported when the user casts the prefabricated beam. At the same time, since the splicing portion includes a first lap joint and a second lap joint, and since the first lap joint and the second lap joint are respectively connected to the horizontal section of the L-shaped support and the placement seat, and the first lap joint is located above the second lap joint, in the initial state, the first lap joint and the second lap joint cooperate with each other to make the L-shaped support and the placement seat fit tightly together, and during demolding, the first lap joint and the second lap joint can be separated from each other and will not hinder the flipping of the L-shaped support.

[0022] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0023] (1) In the present invention, a hoisting mechanism is specially provided on the top of the two demoulding devices so that when the equipment demoulds the prefabricated beam body, the prefabricated beam body can be lifted and taken out at the same time, thereby realizing that after the prefabricated beam body is demoulded, the prefabricated beam body can be quickly separated from the equipment, so that the user can more conveniently take out and demould the prefabricated beam body, thereby improving the user's work efficiency and making the equipment use effect better;

[0024] (2) The present invention is also cleverly provided with a guide assembly. By setting the guide assembly, the steel wire can be guided when it rises, so that when the steel wire rope pulls the prefabricated beam body upward through the clamping member, it can always remain stable without shaking left and right, thereby ensuring that the prefabricated beam body is more stable when it is lifted and demoulded;

[0025] (3) In the present invention, a corrugated expansion joint is further provided on the top of the slider. Therefore, when the slider slides up in the outer sleeve as the steel wire rope pulls, the corrugated expansion joint on the top thereof will be squeezed, so that the corrugated expansion joint will shrink in the outer sleeve after being squeezed. Since the corrugated expansion joint still has a certain thickness after shrinking, it can effectively avoid the slider from having a rigid impact with the outer sleeve when it slides up to the limit height in the outer sleeve under the pull of the steel wire rope, thereby achieving a buffer protection between the slider and the outer sleeve, avoiding collision damage between the slider and the outer sleeve, and further ensuring that when the steel wire rope pulls the prefabricated beam to rise to the limit height, the prefabricated beam will not shake due to the rigid impact between the slider and the outer sleeve, thereby further ensuring the stability of the prefabricated beam when it is lifted and demoulded;

[0026] (4) In the present invention, a coil spring is further provided on the outside of the bellows expansion joint. Through the setting of the coil spring, when the bellows expansion joint is compressed during the upward sliding of the slider, the coil spring can be elastically contracted synchronously after being squeezed by the slider, thereby generating an elastic buffering force. The elastic buffering force can limit the upward sliding speed of the slider to a certain extent, so as to avoid the slider sliding up too fast and causing the prefabricated beam to shake during the lifting process, thereby ensuring that the user can lift and remove the prefabricated beam smoothly;

[0027] (5) In the present invention, a buffer placement component is cleverly provided. By setting the buffer placement component, the user can cushion the bottom of the prefabricated beam when placing it, so as to avoid the prefabricated beam directly colliding with the placement seat due to its large mass when placing it, thereby avoiding damage to the equipment, thereby effectively improving the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the drawings:

[0029] Figure 1 This is a schematic diagram of the structure of the present invention (1);

[0030] Figure 2 This is a schematic diagram of the structure of the present invention (II);

[0031] Figure 3 This is an enlarged schematic diagram of the local structure at point A of the present invention;

[0032] Figure 4 This is a schematic diagram of the partial structure of the buffer assembly of the present invention (after the elastic bladder is expanded);

[0033] Figure 5 This is an enlarged schematic diagram of the local structure at location B (joining portion) of the present invention.

[0034] In the above drawings, the component names corresponding to the reference numerals are as follows:

[0035] 1. Base; 2. Demolding device; 20. Support plate; 21. Articulated seat; 22. L-shaped support; 23. Second cylinder; 24. Second hydraulic cylinder; 25. Formwork; 3. Lifting mechanism; 30. Truss; 31. First hydraulic cylinder; 32. Pull rod; 33. Connecting block; 34. Guide assembly; 340. Outer sleeve; 341. Through groove; 342. Bellows expansion joint; 343. Slider; 344. Connecting rod; 345. Coil spring; 35. Clamping part; 350, outer frame; 351, clamping plate; 352, first cylinder; 353, push rod; 354, clamping plate; 355, joint rod; 356, connecting sleeve; 36, wire rope; 4, buffer placement assembly; 40, placement seat; 41, accommodating cavity; 42, elastic plate; 43, elastic bag; 44, medium storage box; 45, medium delivery pump; 5, prefabricated beam; 6, splicing part; 60, first lap joint; 61, second lap joint. DETAILED DESCRIPTION

[0036] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with examples and drawings. The exemplary embodiments of the present invention and their descriptions are only used to explain the present invention and are not intended to limit the present invention.

[0037] First of all, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limiting the present invention. Example

[0038] like Figures 1 to 5 As shown, this embodiment provides a demoulding device for a bridge prefabricated beam production system, comprising a base 1 with a prefabricated beam 5 placed in the middle of the top and demoulding devices 2 provided on both sides of the top of the base 1. A hoisting mechanism 3 for hoisting the prefabricated beam 5 is further provided above the two demoulding devices 2.

[0039] The lifting mechanism 3 includes a truss 30 which is connected to the base 1 at both ends by diagonal rods and is in an inverted U shape. Two symmetrical first hydraulic cylinders 31 are provided inside the truss 30. The length directions of the two first hydraulic cylinders 31 are parallel to the length direction of the truss 30, and their output ends are respectively directed to the two ends of the truss 30. The output ends of the two first hydraulic cylinders 31 are connected to the connecting blocks 33 through pull rods 32. Vertically downward guide assemblies 34 are provided on both sides of the bottom of the truss 30. The lower side of the guide assembly 34 is also provided with a clamping part 35 for clamping the prefabricated beam body 5. A steel wire rope 36 that passes through the guide assembly 34 and is connected to the clamping part 35 is connected to the side of any connecting block 33. It should be further explained here that in order to facilitate the connecting block 33 to pull the prefabricated beam body 5 through the steel wire rope 36, this scheme also provides a guide wheel for guiding the steel wire rope 36 inside the truss 30 and above the guide assembly 34.

[0040] In this embodiment, in order to solve the problem that it is inconvenient for the user to take out the prefabricated beam body, and it affects the user's work efficiency and the use effect of the equipment, this solution is specially provided with a lifting mechanism 3 on the top of the two demoulding devices 2, so that when the equipment demoulds the prefabricated beam body 5, the prefabricated beam body 5 can be lifted and taken out at the same time, so that after the prefabricated beam body 5 is demoulded, the prefabricated beam body 5 can be quickly separated from the equipment, so that the user can take out the prefabricated beam body 5 more conveniently, thereby improving the user's work efficiency and making the use effect of the equipment better. Specifically, when the user uses the equipment to demould the prefabricated beam body 5, the user can first use the clamping member 35 to lift the prefabricated beam body 5. The prefabricated beam 5 is clamped. After the clamping member 35 is clamped with the prefabricated beam 5, the user can start the first hydraulic cylinder 31 to make the first hydraulic cylinder 31 work and drive the pull rod 32 to retract, so that after the pull rod 32 retracts, the steel wire rope 36 is pulled up through the connecting block 33, so that the steel wire rope 36 is pulled up and the prefabricated beam 5 is pulled up through the clamping member 35, so that the user can take out the prefabricated beam 5 in time. Further in this scheme, through the setting of the guide assembly 34, the steel wire can be guided when it rises, so that when the steel wire rope 36 pulls the prefabricated beam 5 up through the clamping member 35, it can always remain stable without shaking left and right.

[0041] In the above example, see Figure 1 、 Figure 2 and Figure 3As shown, any guide assembly 34 includes an outer sleeve 340 with a hollow interior, a through groove 341 provided on the outer surface of the outer sleeve 340 along the axial direction thereof corresponding to the position of the prefabricated beam body 5, a corrugated expansion joint 342 coaxially arranged in the outer sleeve 340 and capable of expansion and contraction along the axial direction of the outer sleeve 340, a slider 343 provided at the bottom and top of the corrugated expansion joint 342 and connected to the bottom end of the steel wire rope 36 passing through the outer sleeve 340 and the corrugated expansion joint 342, and a connecting rod 344 located on the side of the slider 343, one end of which is connected to the slider 343 and the other end of which passes through the through groove 341 and is connected to the clamping member 35.

[0042] The cam 343 is pressed against the top of the cam 340 so that the cam 343 can slide downwards and the cam 343 can slide downwards, thereby preventing the cam 343 from sliding upwards and causing the cam 343 to slide downwards. The bellows expansion joint 342 shrinks in the outer sleeve 340, and since it still has a certain thickness after shrinkage, it can effectively avoid the slider 343 from having a rigid impact with the outer sleeve 340 when it slides up to the limit height in the outer sleeve 340 under the pull of the wire rope 36, thereby achieving a buffer protection between the slider 343 and the outer sleeve 340, avoiding collision and damage between the slider 343 and the outer sleeve 340, and further ensuring that when the wire rope 36 pulls the prefabricated beam 5 to the limit height, the prefabricated beam 5 will not shake due to the rigid impact between the slider 343 and the outer sleeve 340, thereby ensuring the stability of the prefabricated beam 5 when it is lifted and demoulded. It should be noted here that the main purpose of lifting the prefabricated beam 5 in this scheme is to facilitate the user to take out the prefabricated beam 5 in time, so there is no need to lift the prefabricated beam 5 to a higher height.

[0043] In the above example, see Figure 3 As shown, a coil spring 345 is also sleeved on the outer surface of the bellows expansion joint 342 , and the top and bottom ends of the coil spring 345 are respectively connected to the outer sleeve 340 and the slider 343 , and the outer spiral surface of the coil spring 345 is slidably connected to the inner wall of the outer sleeve 340 .

[0044] In this solution, through the setting of the coil spring 345, when the corrugated expansion joint 342 is compressed during the sliding of the slider 343, it can simultaneously elastically contract after being squeezed by the slider 343, thereby generating an elastic buffering force. The elastic buffering force can limit the sliding speed of the slider 343 to a certain extent, so as to avoid the slider 343 sliding up too fast and causing the prefabricated beam 5 to shake during the lifting process, thereby ensuring that the user can lift and remove the prefabricated beam 5 smoothly.

[0045] In the above example, see Figure 3 As shown, the clamping member 35 includes an outer frame 350 connected to the connecting rod 344, a clamping plate 351 hinged at the upper and lower sides of the outer frame 350 and forming a C-shaped structure with the outer frame 350, a first cylinder 352 installed in the middle of the inner part of the outer frame 350, the output end of which extends in a direction away from the connecting rod 344 and is connected to a push rod 353, a clamping plate 354 installed on the free end of the push rod 353 extending to the outside of the outer frame 350, a connecting sleeve 356 sleeved on the outside of the push rod 353, the top and bottom of which are hinged to the joint rod 355, and the ends of the two joint rods 355 away from the connecting sleeve 356 are hinged to the two clamping plates 351 respectively, and form an isosceles triangle structure.

[0046] In this solution, the specific process of the user clamping the prefabricated beam 5 through the clamping member 35 is that the user first places the outer frame 350 on the raised parts on both sides of the prefabricated beam 5, and then starts the first cylinder 352, so that after the first cylinder 352 is started, it pushes the push rod 353 to move in the direction close to the prefabricated beam 5, and then drives the connecting sleeve 356 to move through the movement of the push rod 353. After the connecting sleeve 356 moves, it can drive the joint rod 355 to deflect at a certain angle, so that after the joint rod 355 is deflected, it pushes the clamping plate 351 to deflect in the direction close to the prefabricated beam 5, so that the clamping plate 351 clamps and fixes the prefabricated beam 5.

[0047] In the above example, see Figure 1 and Figure 2As shown, any demoulding device 2 includes a support plate 20, an L-shaped support 22 arranged on the upper part of the support plate 20 and hinged to the support plate 20 at the bottom through a hinge seat 21, a second cylinder 23 located on one side of the L-shaped support 22, an output end hinged to the side of the L-shaped support 22, and a bottom end inclined downward along a side away from the L-shaped support 22, a right-angled triangle structure is formed between the second cylinder 23 and the support plate 20 and the L-shaped support 22, and the second cylinder 23 is used to pull the L-shaped support 22 through the hinge seat 21 is deflected. It should be further pointed out that in order to facilitate the support plate 20 to better support the L-shaped support 22, this solution preferably provides a support block with a bottom connected to the support plate 20 on the side of the hinged seat 21 away from the second cylinder 23, and the top of the support block is in conflict with the bottom of the L-shaped support 22. In this way, the setting of the support block can stably support the L-shaped support 22 when it contacts the prefabricated beam body, and at the same time will not cause any obstruction to the flipping of the L-shaped support 22.

[0048] In this solution, when the user needs to take out the prefabricated beam 5 after it is formed, the user can start the second cylinder 23 to contract, so that after the second cylinder 23 contracts, the L-shaped support 22 is pulled to flip through the hinge seat 21. After the L-shaped support 22 flips, the side of the prefabricated beam 5 can be separated from the L-shaped support 22, and the bottom of the prefabricated beam 5 can be lifted up by flipping the L-shaped support 22, so that before the prefabricated beam 5 is demoulded, the prefabricated beam 5 can be seamed first (that is, before it is completely hoisted and demoulded, a gap is torn between the bottom of the prefabricated beam 5 and the equipment in advance, so that it is convenient for the user to take out and demould the prefabricated beam 5). , and ensures the flatness of the bottom of the prefabricated beam 5 when demoulding, and there will be no bonding and unevenness of the bottom of the prefabricated beam 5). At the same time, it should be further pointed out here that in this solution, when demoulding, it is preferred to gradually start the second cylinder 23 (that is, according to a certain time difference, start the second cylinders 23 of the two demoulding devices 2 respectively), so that after the two second cylinders 23 work, they respectively drive the two L-shaped supports 22 to flip back and forth, thereby performing a shaking demoulding action on the prefabricated beam, so as to facilitate tearing a larger gap between the prefabricated beam 5 and the equipment, thereby further facilitating the subsequent lifting and removal of the prefabricated beam 5.

[0049] In the above example, see Figure 1 and Figure 2 As shown, the opposite inner sides of the two L-shaped supports 22 are connected to a template 25 that is compatible with the side of the prefabricated beam 5 through a second hydraulic cylinder 24. In this solution, the template 25 can be pushed closer to or away from the prefabricated beam 5 through the setting of the second hydraulic cylinder 24.

[0050] In the above example, see Figure 1 、 Figure 2 and Figure 4 As shown, it also includes a buffer placement component 4 located between the two demoulding devices 2 and used to place the prefabricated beam body. The buffer placement component 4 includes a placement seat 40 with a bottom welded to the base 1 and protrusions on both sides, a accommodating cavity 41 located in the middle of the top of the placement seat 40 and recessed at the bottom, an elastic plate 42 installed on the top of the accommodating cavity 41 and flush with the top plane of the placement seat 40, an elastic bag 43 installed inside the accommodating cavity 41 for supporting the elastic plate 42, a medium storage box 44 installed on the side of the placement seat 40 and connected to the elastic bag 43 through a conveying pipe, and a medium storage box 44 is installed inside. The medium delivery pump 45, it should be noted here that the output end of the medium delivery pump 45 is connected to the elastic bag 43. The medium used in this scheme needs to have high compression resistance and heat resistance. Therefore, the medium in this scheme preferably uses silicone oil. This is because silicone oil has heat resistance, electrical insulation, weather resistance, hydrophobicity, physiological inertness and small surface tension. In addition, it also has a low viscosity-temperature coefficient and high compression resistance. Therefore, after it is delivered to the elastic bag 43 by the medium delivery pump 45, the elastic bag 43 is expanded to push the elastic plate 42 upward to support the bottom of the prefabricated beam 5, and it has sufficient support stiffness.

[0051] In this solution, by setting the buffer placement component 4, the user can buffer the bottom of the prefabricated beam body 5 when placing the prefabricated beam body 5, so as to avoid the prefabricated beam body 5 from directly colliding with the placement seat 40 due to its large mass. The specific process is that when the user needs to place the prefabricated beam body 5, the user can first close the delivery pipe and start the medium delivery pump 45 at the same time, so that the medium delivery pump 45 delivers the medium in the medium storage box 44 to the elastic bag 43, and then the elastic bag 43 is filled with the medium and gradually expands, so that the elastic bag 43 expands to support the elastic plate 42 and make it bulge upward. Since the elastic plate 42 bulges under the support of the elastic bag 43, its board surface height is higher than the placement seat 40, so when the user places the prefabricated beam 5, the bottom of the prefabricated beam 5 will first contact the elastic plate 42, and after the prefabricated beam 5 contacts the elastic plate 42, the user can turn off the medium delivery pump 45 to stop it from working, and open the delivery pipe. Then, as the prefabricated beam 5 gradually falls, the elastic airbag will be pressurized and will gradually press the medium inside it back into the medium storage box 44 through the delivery pipe until the elastic plate 42 returns to its original position and is flush with the placement seat 40, thereby making the prefabricated beam 5 as a whole contact with the placement seat 40, thereby achieving buffering of the prefabricated beam 5 when it is placed, so as to avoid the prefabricated beam 5 directly colliding with the placement seat 40 when it is placed and damaging the equipment, thereby effectively improving the service life of the equipment.

[0052] For further information, see Figure 5As shown, a splicing portion 6 is further provided between the horizontal section of the L-shaped support 22 and the protruding portion of the placement seat 40. The splicing portion 6 is used to form a plane between the horizontal section of the L-shaped support 22 and the protruding portion of the placement seat 40, and includes a first lap joint 60 and a second lap joint 61 that cooperate with each other. The side of the first lap joint 60 is connected to the horizontal section of the L-shaped support 22, and the side of the second lap joint 61 away from the first lap joint 60 is connected to the placement seat 40, and the bottom of the first lap joint 60 is in contact with the top of the second lap joint 61.

[0053] In this solution, a splicing portion 6 is provided between the horizontal section of the L-shaped support 22 and the protruding portion of the placement seat 40. Its main purpose is to form a nearly integral plane between the horizontal end of the L-shaped support 22 and the placement seat 40 when the prefabricated beam body 5 is prepared and formed, so that the bottom of the prefabricated beam body 5 can be flatly supported when the user casts and produces the prefabricated beam body 5. At the same time, since the splicing portion 6 includes a first lap joint 60 and a second lap joint 61, and since the first lap joint 60 and the second lap joint 61 are respectively connected to the horizontal section of the L-shaped support 22 and the placement seat 40, and the first lap joint 60 is located on the upper part of the second lap joint 61, in the initial state, the first lap joint 60 and the second lap joint 61 cooperate with each other to make the L-shaped support 22 and the placement seat 40 fit tightly together, and during demolding, the first lap joint 60 and the second lap joint 61 can be separated from each other and will not hinder the flipping of the L-shaped support 22.

[0054] It should also be pointed out that, in the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix", "socket", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0055] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A demoulding device for a bridge prefabricated beam production system, comprising a base (1) with a prefabricated beam (5) placed in the middle of the top and demoulding devices (2) arranged on both sides of the top of the base (1), characterized in that: A hoisting mechanism (3) for hoisting the prefabricated beam (5) is also provided above the two demoulding devices (2); The hoisting mechanism (3) includes a truss (30) connected to the base (1) at both ends through inclined rods and in an inverted U-shape, two mutually symmetrical first hydraulic cylinders (31) are provided inside the truss (30), the length direction of the two first hydraulic cylinders (31) is parallel to the length direction of the truss (30), and the output ends thereof are respectively oriented toward the two ends of the truss (30), the output ends of the two first hydraulic cylinders (31) are connected to a connecting block (33) through a pull rod (32), and both sides of the bottom of the truss (30) are provided with a vertical downward guide assembly (34), and the lower part of the side of the guide assembly (34) is also provided with a clamping member (35) for clamping the prefabricated beam body (5), and the side of any of the connecting blocks (33) is connected with a steel wire rope (36) passing through the guide assembly (34) and connected to the clamping member (35); Any of the guide components (34) includes an outer sleeve (340) with a hollow interior, a through groove (341) provided on the outer surface of the outer sleeve (340) along the axial direction thereof and corresponding to the position of the prefabricated beam body (5), a corrugated expansion joint (342) coaxially arranged in the outer sleeve (340) and capable of expansion and contraction along the axial direction of the outer sleeve (340), a slider (343) provided at the bottom and top of the corrugated expansion joint (342) and connected to the bottom end of a steel wire rope (36) passing through the outer sleeve (340) and the corrugated expansion joint (342), and a connecting rod (344) located on the side of the slider (343), one end of which is connected to the slider (343) and the other end of which passes through the through groove (341) and is connected to the clamping member (35); Any of the demoulding devices (2) includes a support plate (20), an L-shaped support (22) arranged on the upper part of the support plate (20), the bottom of which is hinged to the support plate (20) through a hinge seat (21) and consists of a vertical section and a horizontal section, a second cylinder (23) located on one side of the L-shaped support (22), the output end of which is hinged to the side of the L-shaped support (22), and the bottom end of which is tilted downward along a side away from the L-shaped support (22), a right-angled triangle structure is formed between the second cylinder (23) and the support plate (20) and the L-shaped support (22), and the second cylinder (23) is used to pull the L-shaped support (22) to deflect through the hinge seat (21); The opposing inner sides of the two L-shaped supports (22) are connected to a template (25) adapted to the side of the prefabricated beam (5) via a second hydraulic cylinder (24); It also includes a buffer placement assembly (4) located between the two demoulding devices (2) and used for placing the prefabricated beam body.

2. The demoulding equipment for a bridge prefabricated beam production system according to claim 1, characterized in that: A coil spring (345) is also sleeved on the outer surface of the bellows expansion joint (342), the top and bottom ends of the coil spring (345) being connected to the outer sleeve (340) and the slider (343) respectively, and the outer spiral surface of the coil spring (345) being slidably connected to the inner wall of the outer sleeve (340).

3. The demoulding equipment for a bridge prefabricated beam production system according to claim 1, characterized in that: The clamping member (35) includes an outer frame (350) connected to the connecting rod (344), a clamping plate (351) hinged to the upper and lower sides of the outer frame (350) and forming a C-shaped structure with the outer frame (350), a first cylinder (352) installed in the middle of the inner part of the outer frame (350), the output end of which extends in a direction away from the connecting rod (344) and is connected to a push rod (353), a clamping plate (354) installed on the free end of the push rod (353) extending to the outside of the outer frame (350), and a connecting sleeve (356) sleeved on the outside of the push rod (353) and hinged to the top and bottom of the joint rod (355), and one end of the two joint rods (355) away from the connecting sleeve (356) is hinged to the two clamping plates (351) to form an isosceles triangle structure.

4. The demoulding equipment for a bridge prefabricated beam production system according to claim 1, characterized in that: The buffer placement assembly (4) includes a placement seat (40) whose bottom is welded to the base (1) and has protrusions on both sides, a receiving cavity (41) located in the middle of the top of the placement seat (40) and recessed at the bottom, an elastic plate (42) installed on the top of the receiving cavity (41) and flush with the top plane of the placement seat (40), an elastic bag (43) installed inside the receiving cavity (41) for supporting the elastic plate (42), and a medium storage box (44) installed on the side of the placement seat (40) and connected to the elastic bag (43) through a delivery pipe, wherein a medium delivery pump (45) is installed inside the medium storage box (44).

5. The demoulding equipment for a bridge prefabricated beam production system according to claim 4, characterized in that: A splicing portion (6) is further provided between the horizontal section of the L-shaped support (22) and the protruding portion of the placement seat (40). The splicing portion (6) is used to form a plane between the horizontal section of the L-shaped support (22) and the protruding portion of the placement seat (40), and includes a first lap joint (60) and a second lap joint (61) that cooperate with each other. The side of the first lap joint (60) is connected to the horizontal section of the L-shaped support (22), and the side of the second lap joint (61) away from the first lap joint (60) is connected to the placement seat (40), and the bottom of the first lap joint (60) is in contact with the top of the second lap joint (61).

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