Bridge cantilever pouring basket

CN224769232UActive Publication Date: 2026-09-18SICHUAN ZHONGLI DA STEEL STRUCTURE ENG CO LTD
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Patent Information

Application Number
CN202522158572.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-13
Publication Date
2026-09-18
Estimated Expiration
2035-10-13

AI Technical Summary

Technical Problem

[0004]在挂篮沿轨道前移时,由于外力影响,会导致挂篮出现晃动情况,挂篮会出现偏移,甚至导致倾覆的情况出现

Benefits of technology

[0014] 1. The cantilever casting basket for bridges described in this utility model can limit the movement of steel strands by adding a guide plate, thereby reducing the swaying of steel strands during the movement of the main truss; at the same time, the addition of hydraulic rods can adjust the position of the guide plate to adapt to more changing conditions.

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Abstract

The utility model belongs to bridge construction technical field, concretely is a kind of bridge cantilever pouring hanging basket, including bridge main body, a pair of pouring formwork is fixedly connected to bridge main body side wall;Rail is fixedly connected on the bridge main body;Slidingly connected with slide on the rail;Main truss is fixedly connected on the slide;Hanging basket front support is fixedly connected on the main truss top;Multiple winches are fixedly connected on the hanging basket front support top;Front anchor point is fixedly connected on the hanging basket front support bottom;Multiple winches are fixedly connected on the front anchor point top;Steel strand is fixedly connected on the winch output end;A pair of hydraulic rod is fixedly connected on the front anchor point bottom;Guide plate is fixedly connected on the hydraulic rod end portion;Limiting effect can be carried out to steel strand when moving by increasing guide plate, the situation that the shaking condition caused by the shaking of steel strand in the main truss walking process is reduced;While increasing hydraulic rod can adjust the position of guide plate, adapt more changeable situation.
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Description

Technical Field

[0001] This utility model relates to the field of bridge construction technology, specifically a cantilever casting formwork for bridges. Background Technology

[0002] Bridges are structures that span obstacles such as rivers, canyons, and roads. They use beams, arches, and cables to bear traffic loads. They connect separated spaces, ensure the safety and efficiency of the passage of people, vehicles, and goods, and are key nodes in the transportation network. Bridges embody the integration of engineering technology and architectural aesthetics, and promote regional connectivity and development.

[0003] The cantilever casting formwork is a specialized piece of equipment for cantilever construction of long-span bridges. It enables segmented casting of the beam through the support of the main truss and the molding of the formwork. The formwork can move forward along the track and adjust its position in conjunction with the anchoring and traction system to meet the needs of high-altitude, scaffold-free operations. As the core equipment for cantilever construction, its safety and stability directly determine the quality and efficiency of beam construction, making it a key tool for bridge construction.

[0004] As the basket moves forward along the track, external forces can cause it to sway, deviate, or even tip over.

[0005] Therefore, a cantilever casting formwork for bridges is proposed to address the above problems. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: A cantilever casting basket for bridges, comprising a bridge body, a pair of casting templates fixedly connected to the side wall of the bridge body; a track fixedly connected to the bridge body; a sliding plate slidably connected to the track; a main truss fixedly connected to the sliding plate; a load-bearing column fixedly connected inside the main truss; a front support for the basket fixedly connected to the top of the main truss; multiple winches fixedly connected to the top of the front support; a front anchor point fixedly connected to the bottom of the front support; multiple winches fixedly connected to the top of the front anchor point; steel strands fixedly connected to the output end of the winches; a base plate fixedly connected to the bottom of the steel strands; a pair of hydraulic rods fixedly connected to the bottom of the front anchor points; a guide plate fixedly connected to the end of the hydraulic rods; multiple limiting components are provided inside the guide plate; by adding the guide plate, the steel strands can be limited when the base plate moves, reducing the swaying of the steel strands during the movement of the main truss; at the same time, the addition of hydraulic rods can adjust the position of the guide plate to adapt to more varied situations.

[0008] Preferably, the limiting component has multiple springs fixedly connected to its sidewall; the ends of the springs are fixedly connected to limiting posts; a sliding component is provided inside the limiting post; the sliding component contacts the steel strand; by adding limiting posts, the swaying of the steel strand can be further restricted, and by adding springs, the force generated by the swaying of the steel strand can be offset by the deformation of the springs, further reducing the instability caused by the swaying of the steel strand during the movement of the main truss.

[0009] Preferably, the sliding assembly includes a support frame, a connecting rod, and rollers; multiple support frames are fixedly connected inside the limiting post; a connecting rod is fixedly connected to the side wall of the support frame; and rollers are rotatably connected to the middle of the connecting rod. By adding rollers, rigid contact can be reduced when the limiting post limits the steel strand, and the position of the steel strand can be further restricted, playing a guiding role and reducing the error when the steel strand is laid down.

[0010] Preferably, an oiling device is fixedly connected to the bottom of the front anchor point; a steel strand is slidably connected inside the oiling device; an oil spray pipe is fixedly connected to the side wall of the oiling device; and an oil tank is provided at the end of the oil spray pipe. By adding an oiling device, a layer of oil film can be attached to the surface of the steel strand, reducing the corrosive effect of external factors on the steel strand during water operations and increasing the service life of the steel strand.

[0011] Preferably, an anti-slip pad is fixed inside the base plate; the anti-slip pad is correspondingly set to the base plate; by adding the anti-slip pad, the occurrence of slipping and falling due to the wet surface of the suspended platform during worker operation can be reduced.

[0012] Preferably, a guardrail is fixed to the top of the base plate; multiple rivets are riveted to the bottom of the guardrail; and multiple hooks are fixed to the side wall of the guardrail. By adding rivets, the guardrail can be further reinforced, reducing the danger caused by the guardrail loosening.

[0013] The advantages of this utility model are:

[0014] 1. The cantilever casting basket for bridges described in this utility model can limit the movement of steel strands by adding a guide plate, thereby reducing the swaying of steel strands during the movement of the main truss; at the same time, the addition of hydraulic rods can adjust the position of the guide plate to adapt to more changing conditions.

[0015] 2. The cantilever casting basket for bridges described in this utility model can further limit the swaying of the steel strands by adding limiting columns. At the same time, the addition of springs can offset the force generated by the swaying of the steel strands through the deformation of the springs, further reducing the instability caused by the swaying of the steel strands during the movement of the main truss. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the main body of this utility model;

[0018] Figure 2 This is a schematic diagram of the spring structure in this utility model;

[0019] Figure 3 This is a schematic diagram of the roller structure in this utility model;

[0020] Figure 4 This is a schematic diagram of the oiling device in this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the guardrail in this utility model.

[0022] In the diagram: 1. Bridge main body; 11. Track; 12. Slide plate; 13. Front support of the suspended platform; 14. Front anchor point; 15. Winch; 16. Steel strand; 17. Hydraulic rod; 18. Guide plate; 19. Casting formwork; 101. Main truss; 102. Load-bearing column; 103. Limiting component; 104. Base plate; 2. Spring; 21. Limiting column; 3. Support frame; 31. Connecting rod; 32. Roller; 4. Oiling device; 41. Oil spray pipe; 5. Anti-slip mat; 6. Guardrail; 61. Rivet; 62. Hook. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0024] Specific implementation examples are given below.

[0025] like Figures 1 to 5As shown in the embodiment of this utility model, a bridge cantilever casting formwork includes a pair of casting templates 19 fixedly connected to the side wall of the bridge main body 1; a track 11 fixedly connected to the bridge main body 1; a sliding plate 12 slidably connected to the track 11; a main truss 101 fixedly connected to the sliding plate 12; a load-bearing column 102 fixedly connected inside the main truss 101; a front support 13 of the formwork fixedly connected to the top of the main truss 101; and multiple winches 15 fixedly connected to the top of the front support 13 of the formwork. A front anchor point 14 is fixedly connected to the bottom of the front support 13; multiple winches 15 are fixedly connected to the top of the front anchor point 14; steel strands 16 are fixedly connected to the output end of the winches 15; a base plate 104 is fixedly connected to the bottom of the steel strands 16; a pair of hydraulic rods 17 are fixedly connected to the bottom of the front anchor point 14; a guide plate 18 is fixedly connected to the end of the hydraulic rods 17; multiple limiting components 103 are provided inside the guide plate 18; after the bridge body inside the casting formwork 19 is poured and dried, the base plate 104 is... The bottom anchor points are removed, and then the winch 15 is started, causing the steel strand 16 to descend. Subsequently, the base plate 104 follows the steel strand 16 as it descends. The jacks inside the bridge main body 1 are activated, and then the sliding plate 12 slides on the side wall of the track 11. At this time, the main truss 101 moves with the sliding plate 12. Then, the hydraulic rod 17 is activated, which drives the guide plate 18 to move. Subsequently, the limiting component 103 inside the guide plate 18 restricts the steel strand 16. When it reaches the designated position, the sliding plate 12 is re-anchored to the side wall of the track 11. Then, the front anchor point 14 is riveted to the bottom of the bridge main body 1 for operation. By adding the guide plate 18, the steel strand 16 can be limited when the base plate 104 moves, reducing the swaying of the steel strand 16 during the movement of the main truss 101, which would cause the base plate 104 to sway. At the same time, adding the hydraulic rod 17 can adjust the position of the guide plate 18 to adapt to more variable situations.

[0026] like Figures 2 to 3 As shown, multiple springs 2 are fixedly connected to the side wall of the limiting component 103; a limiting post 21 is fixedly connected to the end of each spring 2; a sliding component is provided inside the limiting post 21; the sliding component contacts the steel strand 16; when the limiting component 103 limits the steel strand 16, the sliding component inside the limiting post 21 contacts the steel strand 16, transmitting the force generated by the swaying of the steel strand 16 to the limiting post 21. Subsequently, the limiting post 21 transfers the force to the springs 2, and the springs 2 cancel out the force of the swaying of the steel strand 16 through deformation; by adding the limiting post 21, the swaying of the steel strand 16 can be further restricted, and by adding the springs 2, the force generated by the swaying of the steel strand 16 can be canceled out through the deformation of the springs 2, further reducing the instability of the base plate 104 caused by the swaying of the steel strand 16 during the movement of the main truss 101.

[0027] like Figure 3 As shown, the sliding assembly includes a support frame 3, a connecting rod 31, and rollers 32; multiple support frames 3 are fixedly connected inside the limiting post 21; the connecting rod 31 is fixedly connected to the side wall of the support frame 3; the rollers 32 are rotatably connected to the middle of the connecting rod 31; when the steel strand 16 moves up and down, the friction between the steel strand 16 and the rollers 32 will drive the connecting rod 31 to rotate, and then the rollers 32 will contact the steel strand 16; by adding rollers 32, rigid contact can be reduced when the limiting post 21 limits the steel strand 16, and the position of the steel strand 16 can be further restricted, playing a guiding role and reducing the error when the steel strand 16 is lowered.

[0028] like Figures 4 to 5 As shown, an oiling device 4 is fixedly connected to the bottom of the front anchor point 14; a steel strand 16 is slidably connected inside the oiling device 4; an oil spray pipe 41 is fixedly connected to the side wall of the oiling device 4; an oil tank is provided at the end of the oil spray pipe 41; when the steel strand 16 is lowered by the winch 15, the oil spray pipe 41 will transport the oil in the oil tank to the inside of the oiling device 4. When the steel strand 16 slides inside the oiling device 4, the oil will adhere to the surface of the steel strand 16; by adding the oiling device 4, a layer of oil film can be attached to the surface of the steel strand 16, reducing the corrosive effect of external factors on the steel strand 16 during water operations and increasing the service life of the steel strand 16.

[0029] like Figure 1 , Figure 5 As shown, an anti-slip pad 5 is fixedly connected inside the base plate 104; the anti-slip pad 5 is correspondingly set to the base plate 104; when the worker is working, the anti-slip pad 5 will come into contact with the worker's feet; by adding the anti-slip pad 5, the occurrence of slipping and falling due to the wet surface of the basket during the worker's operation can be reduced.

[0030] like Figure 1 , Figure 5 As shown, a guardrail 6 is fixed to the top of the base plate 104; multiple rivets 61 are riveted to the bottom of the guardrail 6; multiple hooks 62 are fixed to the side wall of the guardrail 6; the rivets 61 are riveted to the bottom of the guardrail 6, and then the guardrail 6 will provide protection for the workers, and the hooks 62 can hold different tools; by adding rivets 61, the guardrail 6 can be further reinforced, reducing the danger caused by the guardrail loosening.

[0031] Working principle: After the bridge body inside the casting formwork 19 is poured and dried, the anchor points at the bottom of the base plate 104 are removed. Then, the winch 15 is started, and the steel strand 16 will descend. Subsequently, the base plate 104 will follow the steel strand 16 as it descends. The jacks inside the bridge body 1 are activated, and the sliding plate 12 will slide on the side wall of the track 11. At this time, the main truss 101 will move with the sliding plate 12. Then, the hydraulic rod 17 is activated, and the hydraulic rod 17 will drive the guide plate 18 to move. Subsequently, the limiting component 103 inside the guide plate 18 will restrict the steel strand 16. When it reaches the designated position, the sliding plate 12 is re-anchored to the side wall of the track 11. Then, the front anchor point 14 is riveted to the bottom of the bridge body 1. When the limiting component 103 restricts the steel strand 16, the sliding component inside the limiting column 21 will... When the steel strand 16 comes into contact, the force generated by the swaying of the steel strand 16 is transmitted to the limiting post 21. Then, the limiting post 21 transfers the force to the spring 2. The spring 2 cancels out the swaying force of the steel strand 16 through deformation. When the steel strand 16 moves up and down, the friction between the steel strand 16 and the roller 32 will drive the connecting rod 31 to rotate. Then, the roller 32 will come into contact with the steel strand 16. When the steel strand 16 is lowered by the winch 15, the oil spray pipe 41 will transport the oil in the oil tank to the oiling device 4. When the steel strand 16 slides inside the oiling device 4, the oil will adhere to the surface of the steel strand 16. When the worker is working, the anti-slip pad 5 will come into contact with the worker's feet. The rivet 61 is riveted to the bottom of the guardrail 6, which will provide protection for the worker. The hook 62 can hold different tools.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A cantilever casting formwork for bridges, comprising a bridge body (1), characterized in that: A pair of casting templates (19) are fixedly connected to the side wall of the bridge body (1); a track (11) is fixedly connected to the bridge body (1); a sliding plate (12) is slidably connected to the track (11); a main truss (101) is fixedly connected to the sliding plate (12); a load-bearing column (102) is fixedly connected inside the main truss (101); a front support (13) of the suspended platform is fixedly connected to the top of the main truss (101); multiple winches (15) are fixedly connected to the top of the front support (13); the suspended platform... The bottom of the front support bracket (13) is fixed with a front anchor point (14); the top of the front anchor point (14) is fixed with multiple winches (15); the output end of the winches (15) is fixed with a steel strand (16); the bottom of the steel strand (16) is fixed with a base plate (104); the bottom of the front anchor point (14) is fixed with a pair of hydraulic rods (17); the end of the hydraulic rods (17) is fixed with a guide plate (18); the guide plate (18) has multiple limiting components (103) inside.

2. The cantilever casting formwork for bridges according to claim 1, characterized in that: The limiting component (103) has multiple springs (2) fixedly connected to its side wall; the ends of the springs (2) are fixedly connected to limiting posts (21); the limiting posts (21) are provided with sliding components; the sliding components are in contact with the steel strands (16).

3. The cantilever casting formwork for bridges according to claim 2, characterized in that: The sliding assembly includes a support frame (3), a connecting rod (31), and a roller (32); multiple support frames (3) are fixedly connected inside the limiting post (21); the connecting rod (31) is fixedly connected to the side wall of the support frame (3); the roller (32) is rotatably connected to the middle of the connecting rod (31).

4. A cantilever casting formwork for bridges according to claim 3, characterized in that: An oiling device (4) is fixedly connected to the bottom of the front anchor point (14); a steel strand (16) is slidably connected inside the oiling device (4); an oil spray pipe (41) is fixedly connected to the side wall of the oiling device (4); and an oil tank is provided at the end of the oil spray pipe (41).

5. A cantilever casting formwork for bridges according to claim 4, characterized in that: The base plate (104) is fixedly connected to an anti-slip pad (5); the anti-slip pad (5) is correspondingly set to the base plate (104).

6. A cantilever casting formwork for bridges according to claim 5, characterized in that: The top of the base plate (104) is fixed with a guardrail (6); the bottom of the guardrail (6) is riveted with a plurality of rivets (61); and the side wall of the guardrail (6) is fixed with a plurality of hooks (62).