Form removal anti-falling device for viaduct construction

Abstract

The utility model provides a formwork removal anti-falling device for viaduct construction, which belongs to the technical field of building construction and comprises a support, a mounting plate slidably arranged on the support along the vertical direction, a mounting rod arranged on the mounting plate along the vertical direction, and an abutting plate arranged at the bottom of the mounting rod along the horizontal direction. The top of the abutting plate is used for abutting against the lower edge of a formwork, a clamping plate is detachably arranged at the top of the mounting rod, the bottom of the clamping plate is used for abutting against the upper edge of the formwork, a first elastic piece is arranged on the mounting rod and used for driving the abutting plate to move towards the clamping plate, and a lifting assembly is arranged on the support. According to the anti-falling device for the bridge formwork, the bridge formwork can be prevented from falling from high altitude, and the guarantee for the life safety of constructors is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, and particularly relates to an anti-falling device for form removal during viaduct construction. Background Technique

[0002] Bridge formwork is a temporary structure used in bridge construction to support and shape concrete structures. In bridge construction, concrete needs to be poured into specific shapes and sizes, which are usually defined by the formwork. The formwork can be made of different materials, and appropriate materials are selected according to the design and construction requirements of the bridge.

[0003] Bridge formwork removal refers to the construction project of removing the formwork that has completed concrete pouring during bridge construction. When the concrete reaches sufficient strength, the formwork can be removed for subsequent construction steps. When removing the bridge formwork, preventing falling accidents is a very important safety measure. Especially during the construction of viaducts, when removing the formwork, all formwork fixing bolts need to be unscrewed. At this time, the formwork loses support and is prone to falling, directly falling from a relatively high place to the ground, posing certain safety hazards and threatening the lives of construction workers to a certain extent. Content of the Utility Model

[0004] The purpose of the utility model is to provide an anti-falling device for form removal during viaduct construction, which can avoid the high-altitude fall of bridge formwork and improve the protection of the lives of construction workers.

[0005] The utility model is realized through the following technical solutions:

[0006] An anti-falling device for form removal during viaduct construction includes a bracket. An installation plate is slidably arranged on the bracket in the vertical direction. An installation rod is arranged on the installation plate in the vertical direction. A butt plate is arranged at the bottom of the installation rod in the horizontal direction. The top of the butt plate is used to abut against the lower edge of the formwork. A clamping plate is detachably arranged at the top of the installation rod. The bottom of the clamping plate is used to abut against the upper edge of the formwork. A first elastic member is arranged on the installation rod. The first elastic member is used to drive the butt plate to move towards the clamping plate. A lifting assembly is arranged on the bracket. The lifting assembly is used to drive the installation plate to move on the bracket.

[0007] Furthermore, two installation rods are arranged on the installation plate. The two installation rods are respectively arranged on both sides of the installation plate in the length direction of the installation plate. A chute is opened on the installation plate along the length direction of the installation plate. Sliders are arranged at both ends of the chute. The sliders are slidably connected with the chute. The sliders are fixedly connected with the installation rods one by one. A driving assembly is arranged on the installation plate. The driving assembly is used to drive the two sliders to move towards each other or away from each other in the chute.

[0008] Further, a butting groove is formed in the bottom of the mounting rod along the length direction of the mounting rod, a butting block is slidably arranged in the butting groove, the butting block is fixedly connected with the butting plate, the first elastic member is arranged in the butting groove, the first elastic member is arranged as a compression spring, the top end of the first elastic member abuts against the bottom of the butting block, and the other end abuts against the inner bottom wall of the butting groove.

[0009] Further, a strip-shaped groove is formed in the top of the mounting rod along the length direction of the mounting rod, a strip-shaped block is slidably arranged in the strip-shaped groove, the strip-shaped block is fixedly connected with the clamping plate, a mounting hole is formed in the mounting rod, the mounting hole is communicated with the strip-shaped groove, a mounting bolt is slidably inserted through the mounting hole, a plurality of mounting holes are arranged along the vertical direction, and a connecting hole for the mounting bolt to be threadedly connected is formed in the strip-shaped block.

[0010] Further, a bearing plate is slidably arranged on the bracket along the vertical direction, a mounting block is fixedly arranged on one side of the bearing plate, a connecting shaft is fixedly arranged on the mounting block, a connecting support is fixedly arranged on the side of the mounting plate close to the bearing plate, the connecting shaft is rotatably connected with the connecting support, a limiting member is arranged on the connecting shaft, the limiting member is used for limiting the deflection angle of the connecting shaft on the connecting support, and the lifting assembly is used for driving the bearing plate to move on the bracket.

[0011] Further, the limiting member is arranged as a limiting pin, a receiving hole is formed in the connecting support, a limiting rod is coaxially and fixedly arranged at one end of the connecting shaft, the limiting rod is rotatably inserted through the receiving hole, a limiting hole is formed in the limiting rod along the radial direction of the limiting rod, the limiting member is slidably inserted through the limiting hole, a plurality of limiting teeth are fixedly arranged on the inner wall of the receiving hole along the circumferential direction of the receiving hole, a limiting slot for the limiting member to be inserted into is formed between two adjacent limiting teeth, a second elastic member is arranged in the limiting hole, the second elastic member is used for driving the limiting member to move away from the limiting hole, and a driving member is arranged on the limiting rod, and the driving member is used for driving the limiting teeth to move in the limiting hole.

[0012] Further, a first inclined surface is arranged at the end of the limiting member, a second inclined surface is arranged on the limiting tooth, the first inclined surface is slidably connected with the second inclined surface, and the limiting rod can rotate clockwise in the receiving hole.

[0013] Further, the driving member is arranged as a driving plate, a strip-shaped hole is formed in the end of the limiting rod, the strip-shaped hole is communicated with the limiting hole, a connecting block is slidably arranged in the strip-shaped hole, one end of the connecting block is fixedly connected with the driving member, and the other end is fixedly connected with the limiting member.

[0014] Further, the lifting assembly includes a lifting motor and a lifting lead screw. A lifting groove is vertically formed in the bracket. A lifting block is slidably disposed in the lifting groove. The lifting block is fixedly connected to the bearing plate. The lifting motor is fixedly disposed on the bracket. The lifting lead screw is rotatably disposed in the lifting groove in the vertical direction. The lifting block is threadedly sleeved on the lifting lead screw. The lifting lead screw is drivingly connected to the output shaft of the lifting motor.

[0015] Further, the driving assembly includes a driving motor and a reciprocating lead screw. The driving motor is fixedly disposed on the side wall of the mounting plate. The reciprocating lead screw is rotatably disposed in the sliding groove along the length direction of the sliding groove. Two sliders are threadedly sleeved at both ends of the lead screw. The reciprocating lead screw is drivingly connected to the output shaft of the driving motor.

[0016] The technical solution of the present utility model has at least the following advantages and beneficial effects:

[0017] 1. When disassembling the formwork, first drive the mounting plate to a predetermined height so that the top of the abutting plate abuts against the lower edge of the formwork. Then continuously drive the mounting plate upward. Subsequently, install the clamping plate so that the clamping plate abuts against the upper edge of the formwork. Then remove the bolts fixing the formwork and drive the mounting plate downward to complete the removal of the bridge formwork, avoiding the direct dropping of the bridge formwork after removing the bolts, and improving the safety guarantee for the lives of construction workers;

[0018] 2. According to the width and size of the formwork to be removed, the distance between the two mounting rods can be flexibly adjusted so that the distance between the two mounting rods matches the formwork, improving the stability of the formwork on the mounting rods during the formwork removal process, and further improving the reliability of the overall device during actual use;

[0019] 3. During the process of lowering the removed formwork, first drive the mounting plate to deflect counterclockwise so that the formwork is in an inclined state with the top away from the bridge body and the bottom close to the bridge body during the descent, and fix the position of the formwork through the abutting plate and the mounting rod, further improving the safety of the formwork during the removal and lowering process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the present utility model, the drawings required for the utility model will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 Schematic diagram of the overall structure of the embodiment of the present utility model;

[0022] Figure 2 Structural schematic diagram of the bracket according to an embodiment of the present utility model;

[0023] Figure 3 Exploded sectional view of the mounting rod according to an embodiment of the present utility model;

[0024] Figure 4 is Figure 3 Enlarged view of part A in

[0025] Figure 5 Exploded structural schematic diagram of the connecting support and the connecting shaft according to an embodiment of the present utility model;

[0026] Figure 6 Structural schematic diagram of the limiting member according to an embodiment of the present utility model;

[0027] Figure 7 is Figure 6 Enlarged view of part B in

[0028] Figure 8 Structural schematic diagram of the lifting assembly according to an embodiment of the present utility model.

[0029] Icon: 1, bridge main body; 11, formwork; 2, bracket; 3, mounting plate; 31, mounting rod; 32, abutting plate; 33, clamping plate; 34, first elastic member; 35, chute; 36, slider; 37, abutting groove; 371, abutting block; 38, strip-shaped groove; 381, strip-shaped block; 382, mounting hole; 383, mounting bolt; 4, driving assembly; 41, driving motor; 42, reciprocating lead screw; 5, bearing plate; 51, mounting block; 52, connecting shaft; 53, connecting support; 6, limiting member; 61, receiving hole; 62, limiting rod; 63, limiting hole; 64, limiting teeth; 65, limiting groove; 66, second elastic member; 67, driving member; 68, strip-shaped hole; 69, connecting block; 71, first inclined surface; 72, second inclined surface; 8, lifting assembly; 81, lifting motor; 82, lifting lead screw; 83, lifting groove; 84, lifting block. Detailed implementation manners

[0030] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0031] Accordingly, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0032] This will be further described below in conjunction with specific embodiments.

[0033] Refer to Figure 1 , formwork 11 is provided on both sides of the bridge main body 1. After the concrete strength of the bridge main body 1 reaches the preset standard, the formwork 11 on both sides needs to be removed.

[0034] Refer to Figure 1 、 2 and 3, an anti-falling device for formwork removal during viaduct construction, comprising a bracket 2. An installation plate 3 is slidably arranged on the bracket 2 in the vertical direction. An installation rod 31 is arranged on the installation plate 3 in the vertical direction. A contact plate 32 is arranged at the bottom of the installation rod 31 in the horizontal direction. The top of the contact plate 32 is used to contact the lower edge of the formwork 11. A clamping plate 33 is detachably arranged at the top of the installation rod 31. The bottom of the clamping plate 33 is used to contact the upper edge of the formwork 11. A first elastic member 34 is arranged on the installation rod 31. The first elastic member 34 is used to drive the contact plate 32 to move towards the clamping plate 33. A lifting assembly 8 is arranged on the bracket 2. As shown in Figure 7 , the lifting assembly 8 is used to drive the installation plate 3 to move on the bracket 2.

[0035] As an implementation manner of the present invention, refer to Figure 2 、 3 , two installation rods 31 are arranged on the installation plate 3. The two installation rods 31 are respectively arranged on both sides of the installation plate 3 in the length direction. A chute 35 is formed on the installation plate 3 along the length direction of the installation plate 3. Sliders 36 are arranged at both ends of the chute 35. The sliders 36 are slidably connected to the chute 35. The sliders 36 are fixedly connected to the installation rods 31 in one-to-one correspondence. A driving assembly 4 is arranged on the installation plate 3. The driving assembly 4 is used to drive the two sliders 36 to move towards each other or away from each other in the chute 35.

[0036] Among them, refer to Figure 3, as an implementation manner of the present utility model, the driving assembly 4 includes a driving motor 41 and a reciprocating lead screw 42. The driving motor 41 is fixedly arranged on the side wall of the mounting plate 3. The reciprocating lead screw 42 is rotatably arranged in the sliding groove 35 along the length direction of the sliding groove 35. The reciprocating lead screw 42 is in transmission connection with the output shaft of the driving motor 41. Two helical grooves with opposite helix directions are opened at both ends of the reciprocating lead screw 42. Two sliders 36 are thread sleeved at both ends of the lead screw. As the reciprocating lead screw 42 rotates, the sliders 36 at both ends can be driven to move in the sliding groove 35 in the direction of approaching or separating from each other, thereby driving the mounting rod 31 to move, achieving the purpose of adjusting the distance between the two mounting rods 31.

[0037] Referring to Figure 3 , as an implementation manner of the present utility model, the sliding groove 35 is opened as a T-shaped groove, and the slider 36 is arranged as a T-shaped block adapted to the sliding groove 35; as other possible implementation manners of the present utility model, the sliding groove 35 can also be opened as a dovetail groove, and the slider 36 is arranged as a dovetail block adapted to the sliding groove 35.

[0038] According to the width and size of the formwork 11 to be removed as needed, the distance between the two mounting rods 31 can be flexibly adjusted, so that the distance between the two mounting rods 31 is adapted to the formwork 11, improving the stability of the formwork 11 on the mounting rods 31 during the process of removing the formwork 11, and further improving the reliability of the overall device during actual use.

[0039] Referring to Figure 3 、 4 , a butt joint groove 37 is opened along the length direction of the mounting rod 31 at the bottom of the mounting rod 31. A butt joint block 371 is slidably arranged in the butt joint groove 37. The butt joint block 371 is fixedly connected with the butt joint plate 32. The first elastic member 34 is arranged in the butt joint groove 37. The first elastic member 34 is arranged as a compression spring. The top end of the first elastic member 34 abuts against the bottom of the butt joint block 371, and the other end abuts against the inner bottom wall of the butt joint groove 37.

[0040] Referring to Figure 3 , a strip-shaped groove 38 is opened along the length direction of the mounting rod 31 at the top of the mounting rod 31. A strip-shaped block 381 is slidably arranged in the strip-shaped groove 38. The strip-shaped block 381 is fixedly connected with the clamping plate 33. An installation hole 382 is opened on the mounting rod 31. The installation hole 382 communicates with the strip-shaped groove 38. An installation bolt 383 is slidably penetrated in the installation hole 382. A plurality of installation holes 382 are opened along the vertical direction. A connection hole (not shown in the figure) for the installation bolt 383 to be threadedly connected is opened on the strip-shaped block 381.

[0041] In the actual use process, when it is necessary to clamp and fix the template 11, first, the mounting plate 3 needs to be raised to the set position. At this time, the clamping plate 33 is not installed on the mounting rod 31, and the top of the abutting plate 32 is kept lower than the lower edge of the template 11. Then, the mounting rod 31 is driven to move upward so that the top of the abutting plate 32 abuts against the lower edge of the template 11. As the mounting rod 31 continues to rise, the first elastic member 34 is compressed and stores elastic potential energy. Then, the clamping plate 33 is installed at a suitable position, and the bottom of the clamping plate 33 abuts against the upper edge of the template 11. Subsequently, the bolts on the template 11 are disassembled. When the template 11 is completely separated from the bridge body 1, the first elastic member 34 releases the previously stored elastic potential energy, causing the abutting plate 32 to move towards the clamping plate 33. At this time, the template 11 can be clamped and fixed by the abutting plate 32 and the clamping plate 33.

[0042] Referring to Figure 5 , 6 , a bearing plate 5 is slidably arranged on the bracket 2 in the vertical direction. On one side of the bearing plate 5, a mounting block 51 is fixedly arranged. On the mounting block 51, a connecting shaft 52 is fixedly arranged. On the side of the mounting plate 3 close to the bearing plate 5, a connecting support 53 is fixedly arranged. The connecting shaft 52 is rotatably connected to the connecting support 53. A limiting member 6 is arranged on the connecting shaft 52, and the limiting member 6 is used to limit the deflection angle of the connecting shaft 52 on the connecting support 53. The lifting assembly 8 is used to drive the bearing plate 5 to move on the bracket 2.

[0043] As an implementation manner of the present utility model, referring to Figure 6 , 7 , the limiting member 6 is set as a limit pin. A receiving hole 61 is formed in the connecting support 53. At one end of the connecting shaft 52, a limiting rod 62 is coaxially and fixedly arranged. The limiting rod 62 rotatably penetrates through the receiving hole 61. A limiting hole 63 is formed in the limiting rod 62 along the radial direction of the limiting rod 62. The limiting member 6 slidably penetrates through the limiting hole 63. A plurality of limiting teeth 64 are fixedly arranged on the inner wall of the receiving hole 61 along the circumferential direction of the receiving hole 61. A limiting slot 65 for the limiting member 6 to be inserted into is formed between two adjacent limiting teeth 64. A second elastic member 66 is arranged in the limiting hole 63, and the second elastic member 66 is used to drive the limiting member 6 to move in a direction away from the limiting hole 63. A driving member 67 is arranged on the limiting rod 62, and the driving member 67 is used to drive the limiting teeth 64 to move in the limiting hole 63.

[0044] As an implementation manner of the present utility model, referring to Figure 7 , the second elastic member 66 is set as a compression spring. One end of the second elastic member 66 is fixedly connected to the inner bottom wall of the limiting hole 63, and the other end is fixedly connected to the bottom end of the limiting member 6.

[0045] In addition, as an implementation manner of the present utility model, referring toFigure 7 The driving member 67 is provided as a driving plate. A strip-shaped hole 68 is formed at the end of the limiting rod 62. The strip-shaped hole 68 communicates with the limiting hole 63. A connecting block 69 is slidably arranged in the strip-shaped hole 68. One end of the connecting block 69 is fixedly connected to the driving member 67, and the other end is fixedly connected to the limiting member 6.

[0046] Refer to Figure 6 、 7 A first inclined surface 71 is arranged at the end of the limiting member 6, and a second inclined surface 72 is arranged on the limiting tooth 64. The first inclined surface 71 is in sliding connection with the second inclined surface 72, and the limiting rod 62 can rotate clockwise in the receiving hole 61.

[0047] During the process of lowering the removed formwork 11, the mounting plate 3 is first driven to deflect counterclockwise, so that the formwork 11 is in an inclined state with the top away from the bridge body and the bottom close to the bridge body during the descending process, and the position of the formwork 11 is fixed by the abutting plate 32 and the mounting rod 31, further improving the safety of the formwork 11 during the removal and lowering process.

[0048] Refer to Figure 8 The lifting assembly 8 includes a lifting motor 81 and a lifting lead screw 82. A lifting groove 83 is formed in the support 2 in the vertical direction. A lifting block 84 is slidably arranged in the lifting groove 83. The lifting block 84 is fixedly connected to the bearing plate 5. The lifting motor 81 is fixedly arranged on the support 2. The lifting lead screw 82 is rotatably arranged in the lifting groove 83 in the vertical direction. The lifting block 84 is threadedly sleeved on the lifting lead screw 82. The lifting lead screw 82 is in transmission connection with the output shaft of the lifting motor 81.

[0049] The implementation principle of a formwork removal anti-falling device for viaduct construction proposed in an embodiment of the present invention is as follows:

[0050] When disassembling the formwork 11, first drive the mounting plate 3 to a predetermined height so that the top of the abutting plate 32 abuts against the lower edge of the formwork 11. Then continuously drive the mounting plate 3 upward. Subsequently, the mounting clamping plate 33 is used to make the clamping plate 33 abut against the upper edge of the formwork 11. Then the bolts fixing the formwork 11 are removed, and the mounting plate 3 is driven downward to complete the removal of the bridge formwork 11, avoiding the direct dropping of the bridge formwork 11 after the bolts are removed, and improving the protection of the lives and safety of construction workers.

[0051] The above is only the preferred embodiment of the present invention and is not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An anti-falling device for form removal during viaduct construction, comprising a bracket (2), characterized in that: A mounting plate (3) is slidably arranged on the support (2) in the vertical direction. A mounting rod (31) is arranged on the mounting plate (3) in the vertical direction. A butting plate (32) is arranged at the bottom of the mounting rod (31) in the horizontal direction. The top of the butting plate (32) is used for butting against the lower edge of the template (11). A clamping plate (33) is detachably arranged at the top of the mounting rod (31). The bottom of the clamping plate (33) is used for butting against the upper edge of the template (11). A first elastic member (34) is arranged on the mounting rod (31). The first elastic member (34) is used for driving the butting plate (32) to move towards the clamping plate (33). A lifting assembly (8) is arranged on the support (2). The lifting assembly (8) is used for driving the mounting plate (3) to move on the support (2).

2. The anti-falling device for form removal during viaduct construction according to claim 1, characterized in that: Two mounting rods (31) are arranged on the mounting plate (3). The two mounting rods (31) are respectively arranged on both sides of the mounting plate (3) in the length direction of the mounting plate (3). A chute (35) is formed in the mounting plate (3) along the length direction of the mounting plate (3). Sliders (36) are arranged at both ends of the chute (35). The sliders (36) are slidably connected with the chute (35). The sliders (36) are fixedly connected with the mounting rods (31) one by one. A driving assembly (4) is arranged on the mounting plate (3). The driving assembly (4) is used for driving the two sliders (36) to move towards each other or away from each other in the chute (35).

3. The anti-falling device for form removal during viaduct construction according to claim 1, characterized in that: A butting groove (37) is formed in the bottom of the mounting rod (31) along the length direction of the mounting rod (31). A butting block (371) is slidably arranged in the butting groove (37). The butting block (371) is fixedly connected with the butting plate (32). The first elastic member (34) is arranged in the butting groove (37). The first elastic member (34) is arranged as a compression spring. The top of the first elastic member (34) abuts against the bottom of the butting block (371), and the other end abuts against the inner bottom wall of the butting groove (37).

4. The anti-falling device for form removal during viaduct construction according to claim 1, wherein: A strip-shaped groove (38) is formed in the top of the mounting rod (31) along the length direction of the mounting rod (31). A strip-shaped block (381) is slidably arranged in the strip-shaped groove (38). The strip-shaped block (381) is fixedly connected with the clamping plate (33). A mounting hole (382) is formed in the mounting rod (31). The mounting hole (382) communicates with the strip-shaped groove (38). A mounting bolt (383) is slidably inserted through the mounting hole (382). A plurality of mounting holes (382) are formed in the mounting rod (31) in the vertical direction. A connection hole for the mounting bolt (383) to be threadedly connected is formed in the strip-shaped block (381).

5. The anti-falling device for form removal during viaduct construction according to claim 1, characterized in that: A bearing plate (5) is slidably arranged on the bracket (2) in the vertical direction. An installation block (51) is fixedly arranged on one side of the bearing plate (5). A connecting shaft (52) is fixedly arranged on the installation block (51). A connecting support (53) is fixedly arranged on the side of the installation plate (3) close to the bearing plate (5). The connecting shaft (52) is rotatably connected to the connecting support (53). A limiting member (6) is arranged on the connecting shaft (52). The limiting member (6) is used to limit the deflection angle of the connecting shaft (52) on the connecting support (53). The lifting assembly (8) is used to drive the bearing plate (5) to move on the bracket (2).

6. The formwork removal anti-falling device for viaduct construction according to claim 5, characterized in that: The limiting member (6) is arranged as a limit pin. A receiving hole (61) is formed in the connecting support (53). A limiting rod (62) is coaxially and fixedly arranged at one end of the connecting shaft (52). The limiting rod (62) rotatably penetrates through the receiving hole (61). A limiting hole (63) is formed in the limiting rod (62) in the radial direction of the limiting rod (62). The limiting member (6) slidably penetrates through the limiting hole (63). A plurality of limiting teeth (64) are fixedly arranged on the inner wall of the receiving hole (61) along the circumferential direction of the receiving hole (61). A limiting slot (65) for the limiting member (6) to be inserted into is formed between two adjacent limiting teeth (64). A second elastic member (66) is arranged in the limiting hole (63). The second elastic member (66) is used to drive the limiting member (6) to move in a direction away from the limiting hole (63). A driving member (67) is arranged on the limiting rod (62). The driving member (67) is used to drive the limiting teeth (64) to move in the limiting hole (63).

7. The anti-falling device for form removal during viaduct construction according to claim 6, wherein: A first inclined surface (71) is arranged at the end of the limiting member (6). A second inclined surface (72) is arranged on the limiting tooth (64). The first inclined surface (71) is in sliding connection with the second inclined surface (72), and the limiting rod (62) can rotate clockwise in the receiving hole (61).

8. The formwork removal anti-falling device for viaduct construction according to claim 6, characterized in that: The driving member (67) is arranged as a driving plate. A strip-shaped hole (68) is formed at the end of the limiting rod (62). The strip-shaped hole (68) is communicated with the limiting hole (63). A connecting block (69) is slidably arranged in the strip-shaped hole (68). One end of the connecting block (69) is fixedly connected to the driving member (67), and the other end is fixedly connected to the limiting member (6).

9. The anti-falling device for form removal during viaduct construction according to claim 5, wherein: The lifting assembly (8) includes a lifting motor (81) and a lifting lead screw (82). A lifting groove (83) is formed in the bracket (2) in the vertical direction. A lifting block (84) is slidably arranged in the lifting groove (83). The lifting block (84) is fixedly connected to the bearing plate (5). The lifting motor (81) is fixedly arranged on the bracket (2). The lifting lead screw (82) is rotatably arranged in the lifting groove (83) in the vertical direction. The lifting block (84) is threadedly sleeved on the lifting lead screw (82). The lifting lead screw (82) is in transmission connection with the output shaft of the lifting motor (81).

10. The anti-falling device for form removal during viaduct construction according to claim 2, characterized in that: The driving component (4) includes a driving motor (41) and a reciprocating lead screw (42). The driving motor (41) is fixedly arranged on the side wall of the mounting plate (3). The reciprocating lead screw (42) is rotatably arranged in the sliding groove (35) along the length direction of the sliding groove (35). Two sliders (36) are threadedly sleeved at both ends of the lead screw. The reciprocating lead screw (42) is in transmission connection with the output shaft of the driving motor (41).

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