Safety facility for dismantling bent cap formwork

Abstract

The utility model relates to the technical field of bridge construction, in particular to a safety facility for dismantling a bent cap formwork. Comprising a transverse plate arranged at the top of a cover beam plate, a plurality of formworks are arranged on the cover beam plate, first lifting lugs are arranged on the two sides of each formwork, a rectangular through hole penetrates through the transverse plate, two sliding rods are slidably installed in the rectangular through hole, one end of each sliding rod extends out of the rectangular through hole, and a transverse rod is fixedly installed at one end of each sliding rod. Two sliding plates are slidably mounted at the top of the transverse rod, two cable winding and unwinding assemblies are arranged at the tops of the sliding plates, two cable passing holes penetrate through the sliding plates, and cables of the cable winding and unwinding assemblies penetrate through the corresponding cable passing holes. By means of the simple adjusting structure, the safety facility for removing the capping beam formwork can be rapidly adjusted, then the device can adapt to removing operation of capping beam formworks of different sizes, the problem that the position of the safety facility on a capping beam plate is adjusted is solved, and the removing efficiency of the capping beam formwork can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, and particularly relates to a safety facility for removing a bent cap formwork. Background Technique

[0002] With the continuous development of the economy, the infrastructure has been continuously improved, especially for bridges. During the construction of bridges, it is necessary to pour the bridge piers and bent cap beams. The current design styles of bent cap beams are diverse. Therefore, formwork is needed for plastic shaping to facilitate the formation of concrete by pouring. After the bent cap beam is formed, the formwork needs to be removed. Since the formwork is large and heavy, a demolition safety device needs to be used for auxiliary demolition to ensure the safety of construction. Currently, the demolition of the bent cap beam formwork generally adopts a hoisting method, which is convenient for formwork demolition construction of bent cap beams with a relatively high height.

[0003] However, it is found in the use of the existing safety facilities for removing bent cap formwork that it is not convenient to adjust, resulting in inconvenience in the removal and hoisting operations of bent cap formwork with different sizes. It is often necessary to adjust the position of the safety facilities on the bent cap beam to adapt to different formwork hoisting operations, which is not conducive to improving the removal efficiency of the bent cap beam formwork. Content of the Utility Model

[0004] Aiming at the above problems, the purpose of the utility model is to provide a safety facility for removing a bent cap formwork, which is convenient for quickly adjusting the safety facility for removing the bent cap formwork, facilitating the adaptation to the removal operations of bent cap formworks with different sizes, avoiding the problem of adjusting the position of the safety facilities on the bent cap beam, and being beneficial to improving the removal efficiency of the bent cap formwork, and solving the problems raised in the above background technique.

[0005] To achieve the above object, the technical solution adopted by the utility model is as follows: A safety facility for removing a bent cap formwork, including a cross plate arranged on the top of the bent cap slab. A plurality of formworks are provided on the bent cap slab. First lifting lugs are provided on both sides of the formwork. A rectangular through hole penetrates through the cross plate. Two sliding rods are slidably installed in the rectangular through hole. One end of the sliding rod extends outside the rectangular through hole and is fixedly installed with a cross bar. Two sliding plates are slidably installed on the top of the cross bar. Two cable winding and unwinding assemblies are provided on the top of the sliding plate. Two rope passing holes penetrate through the sliding plate. The cable of the cable winding and unwinding assembly penetrates through the corresponding rope passing hole. The bottom end of the cable of the cable winding and unwinding assembly is provided with a safety hook, and the safety hook is adapted to the corresponding first lifting lug. The same first bidirectional lead screw is threadedly installed on the two sliding rods. A first bevel gear is fixedly sleeved on the first bidirectional lead screw. A first motor is provided on the top of the cross plate. The output shaft of the first motor extends into the rectangular through hole and is provided with a second bevel gear. The second bevel gear meshes with the first bevel gear. Two sliding grooves are opened on the top of the cross bar. Sliding blocks are slidably installed in the sliding grooves, and the sliding blocks are fixed to the bottom of the corresponding sliding plate. A second bidirectional lead screw is rotatably installed on the cross bar. The second bidirectional lead screw threadedly penetrates through the corresponding two sliding blocks. A second motor is provided at one end of the cross bar, and the output shaft of the second motor is fixed to one end of the second bidirectional lead screw.

[0006] In order to prevent the safety facility from sliding on the top of the bent cap slab:

[0007] As a further improvement of the above technical solution: The sliding plate further includes a U-shaped limiting frame, and the U-shaped limiting frame is slidably installed on the corresponding sliding plate. The U-shaped limiting frame is located on one side of the bent cap slab. A U-shaped support is fixedly installed on the top of the sliding plate. The U-shaped support slidably penetrates through the corresponding U-shaped limiting clip. A third motor is provided on the top of the U-shaped support. The output shaft of the third motor rotates through the U-shaped support and is fixedly installed with a lead screw, and the lead screw threadedly penetrates through the corresponding U-shaped limiting frame.

[0008] The beneficial effect of this improvement is that by setting like this, it is convenient to effectively limit the safety facility for removing the bent cap formwork, and it can effectively prevent the safety facility from sliding on the top of the bent cap slab, which is beneficial to improving the safety of hoisting the bent cap formwork.

[0009] In order to facilitate the first bidirectional lead screw to drive the sliding rod to move:

[0010] As a further improvement of the above technical solution: First threaded through holes penetrate through the sliding rods, and the first bidirectional lead screw is threadedly installed in the two first threaded through holes.

[0011] The beneficial effect of this improvement is that by providing the first threaded through holes, it is convenient for the first bidirectional lead screw to drive the sliding rod to move.

[0012] For facilitating the limiting of the sliding plate:

[0013] As a further improvement to the above technical solution: Two first limiting grooves are formed in the inner wall of the top of the rectangular through hole, and first limiting blocks are slidably installed in the first limiting grooves, and the first limiting blocks are fixed to the tops of the corresponding sliding rods.

[0014] The beneficial effect of this improvement is that by providing the first limiting grooves and the first limiting blocks, it is convenient to limit the sliding plate.

[0015] For facilitating the support and limiting of the first bidirectional lead screw:

[0016] As a further improvement to the above technical solution: Two clamping plates are fixedly installed in the rectangular through hole, and the first bidirectional lead screw rotates through the two clamping plates.

[0017] The beneficial effect of this improvement is that by providing the clamping plates, it is convenient to support and limit the first bidirectional lead screw.

[0018] For facilitating the lifting and placing of the safety facilities for the removal of the bent cap formwork:

[0019] As a further improvement to the above technical solution: A second lifting lug is fixedly installed on the top of the sliding plate, second limiting grooves are formed on both sides of the cross bar, and second limiting blocks are slidably installed in the second limiting grooves, and the second limiting blocks are fixed to the bottom of the corresponding sliding plate.

[0020] The beneficial effect of this improvement is that by providing the second lifting lug, it is convenient to lift and place the safety facilities for the removal of the bent cap formwork.

[0021] For facilitating the prevention of the slider from disengaging from the sliding groove:

[0022] As a further improvement to the above technical solution: A limiting rod is fixedly installed in the sliding groove, and the limiting rod slidably penetrates through the corresponding slider.

[0023] The beneficial effect of this improvement is that by providing the limiting rod, it is convenient to prevent the slider from disengaging from the sliding groove.

[0024] For facilitating the lifting of the U-shaped limiting frame:

[0025] As a further improvement to the above technical solution: Two first through holes are formed in the sliding plate, the U-shaped limiting frame slidably penetrates through the two first through holes, two second through holes are formed in the U-shaped limiting frame, and the U-shaped bracket slidably penetrates through the two second through holes.

[0026] The beneficial effect of this improvement is that by providing the first through holes, it is convenient to lift the U-shaped limiting frame.

[0027] The beneficial effects of the present utility model are as follows: Through a simple adjustment structure, it is convenient to quickly adjust the safety facilities for the removal of the bent cap formwork, and thus it is convenient to adapt to the removal operations of bent cap formworks of different sizes, avoiding the problem of adjusting the position of the safety facilities on the bent cap slab, which is beneficial to improving the removal efficiency of the bent cap formwork. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is the front sectional structure schematic diagram of the present utility model;

[0029] Figure 2 is the side sectional structure schematic diagram of the present utility model;

[0030] Figure 3 is the top view structure schematic diagram of the present utility model;

[0031] Figure 4 is the present utility model Figure 1 the enlarged structure schematic diagram of part A in;

[0032] Figure 5 is the present utility model Figure 1 the enlarged structure schematic diagram of part B in;

[0033] Figure 6 is the present utility model Figure 2 the enlarged structure schematic diagram of part C in;

[0034] Figure 7 is the three-dimensional sectional assembly structure schematic diagram of the U-shaped limiting frame and the U-shaped bracket in the present utility model.

[0035] In the figure: 1, bent cap slab; 2, transverse plate; 3, formwork; 4, first lifting lug; 5, rectangular through hole; 6, sliding rod; 7, cross bar; 8, sliding plate; 9, cable retracting and releasing assembly; 10, rope passing hole; 11, safety hook; 12, first bidirectional lead screw; 13, first bevel gear; 14, first motor; 15, second bevel gear; 16, chute; 17, slider; 18, second bidirectional lead screw; 19, second motor; 20, U-shaped limiting frame; 21, U-shaped bracket; 22, third motor; 23, lead screw. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description of this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present utility model.

[0037] Such as Figure 1-7As shown in the figure, a safety facility for removing a bent cap formwork includes a cross plate 2 arranged on the top of a bent cap slab 1. A plurality of formworks 3 are arranged on the bent cap slab 1. First lifting lugs 4 are arranged on both sides of the formwork 3. A rectangular through hole 5 penetrates through the cross plate 2. Two sliding rods 6 are slidably installed in the rectangular through hole 5. One end of the sliding rod 6 extends outside the rectangular through hole 5 and is fixedly installed with a cross bar 7. Two sliding plates 8 are slidably installed on the top of the cross bar 7. Two cable winding and unwinding assemblies 9 are arranged on the top of the sliding plate 8. Two rope passing holes 10 penetrate through the sliding plate 8. The cables of the cable winding and unwinding assemblies 9 penetrate through the corresponding rope passing holes 10. An insurance hook 11 is arranged at the bottom end of the cable of the cable winding and unwinding assembly 9. The insurance hook 11 is adapted to the corresponding first lifting lug 4. The same first bidirectional lead screw 12 is threadedly installed on the two sliding rods 6. A first bevel gear 13 is fixedly sleeved on the first bidirectional lead screw 12. A first motor 14 is arranged on the top of the cross plate 2. The output shaft of the first motor 14 extends into the rectangular through hole 5 and is provided with a second bevel gear 15. The second bevel gear 15 meshes with the first bevel gear 13. Two sliding grooves 16 are formed in the top of the cross bar 7. Sliding blocks 17 are slidably installed in the sliding grooves 16. The sliding blocks 17 are fixed to the bottom of the corresponding sliding plate 8. A second bidirectional lead screw 18 is rotatably installed on the cross bar 7. The second bidirectional lead screw 18 threadedly penetrates through the corresponding two sliding blocks 17. A second motor 19 is arranged at one end of the cross bar 7. The output shaft of the second motor 19 is fixed to one end of the second bidirectional lead screw 18. Through a simple adjustment structure, it is convenient to quickly adjust the safety facility for removing the bent cap formwork, and then it is convenient to adapt to the removal operations of bent cap formworks with different sizes, avoiding the problem of adjusting the position of the safety facility on the bent cap slab 1, which is beneficial to improving the removal efficiency of the bent cap formwork. The sliding plate 8 further includes a U-shaped limiting frame 20. The U-shaped limiting frame 20 is slidably installed on the corresponding sliding plate 8. The U-shaped limiting frame 20 is located on one side of the bent cap slab 1. A U-shaped support 21 is fixedly installed on the top of the sliding plate 8. The U-shaped support 21 slidably penetrates through the corresponding U-shaped limiting clip 20. A third motor 22 is arranged on the top of the U-shaped support 21. The output shaft of the third motor 22 rotatably penetrates through the U-shaped support 21 and is fixedly installed with a lead screw 23. The lead screw 23 threadedly penetrates through the corresponding U-shaped limiting frame 20. By setting like this, it is convenient to effectively limit the safety facility for removing the bent cap formwork, and it can effectively prevent the safety facility from sliding on the top of the bent cap slab 1, which is beneficial to improving the safety of hoisting the bent cap formwork. A first threaded through hole penetrates through the sliding rod 6. The first bidirectional lead screw 12 is threadedly installed in the two first threaded through holes. By setting the first threaded through hole, it is convenient for the first bidirectional lead screw 12 to drive the sliding rod 6 to move. Two first limiting grooves are formed in the inner wall of the top of the rectangular through hole 5. First limiting blocks are slidably installed in the first limiting grooves. The first limiting blocks are fixed to the top of the corresponding sliding rod 6. By setting the first limiting grooves and the first limiting blocks,Thus, it is convenient to limit the skateboard 8. Two clamping plates are fixedly installed in the rectangular through hole 5. The first bidirectional lead screw 12 rotates through the two clamping plates. By setting the clamping plates, it is convenient to support and limit the first bidirectional lead screw 12. A second lifting lug is fixedly installed on the top of the skateboard 8. Second limiting grooves are formed on both sides of the cross bar 7. Second limiting blocks are slidably installed in the second limiting grooves. The second limiting blocks are fixed to the bottom of the corresponding skateboard 8. By setting the second lifting lug, it is convenient to lift and place the safety facilities for removing the capping beam formwork. A limiting rod is fixedly installed in the chute 16. The limiting rod slidably penetrates through the corresponding slider 17. By setting the limiting rod, it is convenient to prevent the slider 17 from separating from the chute 16. Two first through holes penetrate through the skateboard 8. The U-shaped limiting frame 20 slidably penetrates through the two first through holes. Two second through holes penetrate through the U-shaped limiting frame 20. The U-shaped bracket 21 slidably penetrates through the two second through holes. By setting the first through holes, it is convenient for the U-shaped limiting frame 20 to move up and down.,

[0038] The working principle of the utility model is as follows: When in use, first install cables on the four second lifting lugs, and then use a crane to lift and place the safety facilities on the top of the cover beam slab 1. Then, turn on the first motor 14. The output shaft of the first motor 14 drives the second bevel gear 15 to rotate. The second bevel gear 15 drives the first bevel gear 13 to rotate. The first bevel gear 13 drives the first bidirectional lead screw 12 to rotate. The first bidirectional lead screw 12 drives the two slide bars 6 to slide out of the rectangular through holes 5 by appropriate lengths respectively, so that the two cross bars 7 are driven to move away from each other to an appropriate distance. Then, turn on the two second motors 19. The output shafts of the second motors 19 drive the second bidirectional lead screws 18 to rotate, so that the two sliders 17 are driven to slide in the two chutes 16 on the cross bars 7 and move away from each other, so that the two slide plates 8 on the cross bars 7 are driven by the two sliders 17 to slide and move away from each other to an appropriate distance. Then, hang the multiple safety hooks 11 on the multiple first lifting lugs 4 on the corresponding formwork 3 respectively, and then remove the corresponding formwork 3, so that the formwork 3 is separated from the cover beam slab 1. Then, turn on the corresponding multiple cable winding and unwinding assemblies 9 again, so that the cables are released, and at the same time the formwork 3 is driven to descend until it lands. Then, the removal operation of the next formwork 3 can be carried out. By setting like this, it is convenient to quickly adjust the safety facilities for the removal of the cover beam formwork, and then it is convenient to adapt to the removal operations of cover beam formworks of different sizes, avoiding the problem of adjusting the position of the safety facilities on the cover beam slab 1, which is beneficial to improving the removal efficiency of the cover beam formwork. After the safety facilities for the removal of the cover beam formwork are lifted and placed on the top of the cover beam slab 1 and adjusted, turn on the multiple third motors 22. The output shafts of the third motors 22 drive the lead screws 23 to rotate. The lead screws 23 drive the U-shaped limit frames 20 to slide down on the slide plates 8 to one side of the cover beam slab 1. The four U-shaped limit frames 20 are arranged in a rectangular array on both sides of the cover beam slab 1, so as to limit the safety facilities. By setting like this, it is convenient to effectively limit the safety facilities for the removal of the cover beam formwork, and can effectively prevent the safety facilities from sliding on the top of the cover beam slab 1, which is beneficial to improving the safety of lifting the cover beam formwork.

[0039] It should be noted that in this article, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device.

[0040] In this article, specific examples are used to elaborate on the principle and implementation mode of the present utility model. The description of the above examples is only used to help understand the method and its core idea of the present utility model. The above is only the preferred implementation mode of the present utility model. It should be noted that due to the limited nature of written expression, objectively there are infinite specific structures. For those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate manner; these improvements, refinements, changes or combinations, or directly applying the concept and technical solution of the utility model to other occasions without improvement, shall all be regarded as the protection scope of the present utility model.

Claims

1. A safety device for removing a cap beam template, comprising a horizontal plate (2) arranged on the top of a cap beam plate (1), a plurality of templates (3) being arranged on the cap beam plate (1), and first lifting ears (4) being arranged on both sides of the templates (3), characterized in that: The cross plate (2) is penetrated by a rectangular through hole (5), two slide bars (6) are slidably installed in the rectangular through hole (5), one end of the slide bar (6) extends to the outside of the rectangular through hole (5) and is fixedly installed with a cross bar (7), two slide plates (8) are slidably installed on the top of the cross bar (7), and two cable retracting and releasing components (9) are arranged on the top of the slide plate (8), two rope passing holes (10) are penetrated on the slide plate (8), and the cables of the cable retracting and releasing components (9) pass through the corresponding rope passing holes (10), and a safety hook (11) is provided at the bottom end of the cable of the cable retracting and releasing component (9), and the safety hook (11) is adapted to the corresponding first lifting ear (4), and the same first bidirectional screw rod (12) is threadedly installed on the two slide bars (6), and the first bidirectional screw rod (12) is fixed with a sleeve A first bevel gear (13) is provided, a first motor (14) is provided at the top of the cross plate (2), an output shaft of the first motor (14) extends into the rectangular through hole (5) and is provided with a second bevel gear (15), the second bevel gear (15) is meshed with the first bevel gear (13), two slide grooves (16) are provided at the top of the cross bar (7), a slider (17) is slidably installed in the slide groove (16), the slider (17) is fixed to the bottom of the corresponding slide plate (8), a second bidirectional screw rod (18) is rotatably installed on the cross bar (7), the second bidirectional screw rod (18) is threadedly passed through the corresponding two sliders (17), a second motor (19) is provided at one end of the cross bar (7), and the output shaft of the second motor (19) is fixed to one end of the second bidirectional screw rod (18).

2. A safety device for removing cap beam formwork according to claim 1, characterized in that: The slide plate (8) further comprises a U-shaped limit frame (20), wherein the U-shaped limit frame (20) is slidably mounted on the corresponding slide plate (8), wherein the U-shaped limit frame (20) is located on one side of the cap beam plate (1), wherein a U-shaped bracket (21) is fixedly mounted on the top of the slide plate (8), wherein the U-shaped bracket (21) slidably passes through the corresponding U-shaped limit frame (20), wherein a third motor (22) is disposed on the top of the U-shaped bracket (21), wherein the output shaft of the third motor (22) rotates through the U-shaped bracket (21) and is fixedly mounted with a screw rod (23), wherein the screw rod (23) is threadedly passed through the corresponding U-shaped limit frame (20).

3. A safety device for removing cap beam formwork according to claim 1, characterized in that: The slide rod (6) is penetrated by a first threaded through hole, and the first bidirectional screw rod (12) is threadedly mounted in the two first threaded through holes.

4. A safety device for removing cap beam formwork according to claim 1, characterized in that: Two first limiting grooves are provided on the inner wall of the top of the rectangular through hole (5), and first limiting blocks are slidably installed in the first limiting grooves. The first limiting blocks are fixed on the top of the corresponding sliding rod (6).

5. A safety device for removing cap beam formwork according to claim 1, characterized in that: Two clamping plates are fixedly installed in the rectangular through hole (5), and the first bidirectional screw rod (12) rotates and passes through the two clamping plates.

6. A safety device for removing cap beam formwork according to claim 1, characterized in that: A second lifting ear is fixedly mounted on the top of the slide plate (8), and second limiting grooves are provided on both sides of the cross bar (7). A second limiting block is slidably mounted in the second limiting groove, and the second limiting block is fixed on the bottom of the corresponding slide plate (8).

7. A safety device for removing cap beam formwork according to claim 1, characterized in that: A limit rod is fixedly installed in the slide groove (16), and the limit rod slides through the corresponding slide block (17).

8. A safety device for removing cap beam formwork according to claim 2, characterized in that: The slide plate (8) is penetrated by two first through holes, the U-shaped limiting frame (20) slides through the two first through holes, the U-shaped limiting frame (20) is penetrated by two second through holes, and the U-shaped bracket (21) slides through the two second through holes.

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