Bending device for bridge engineering construction reinforcing steel bars
By designing a steel bar bending device for bridge construction that combines steel bar fixing and bending mechanisms, batch bending of multiple steel bars was achieved, solving the problem of low efficiency of traditional machinery and improving construction efficiency and stability.
Patent Information
- Application Number
- CN202520063851.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Traditional steel bar bending machinery is inefficient in bridge engineering and cannot meet the immediate demand for bending large quantities of steel bars, thus affecting the project schedule.
Design a bending device for steel bars in bridge construction. The device combines a steel bar fixing mechanism with a bending mechanism, which can fix multiple steel bars at one time and drive the bending blocks to perform batch bending operations through a hydraulic telescopic cylinder.
It improves the efficiency of steel bar bending, meets the immediate demand for steel bar supply in construction, and is simple to operate and highly stable.
Smart Images

Figure CN223847973U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bridge engineering technology, specifically to a bending device for steel bars in bridge construction. Background Technology
[0002] In bridge construction, the bonding between steel reinforcement and concrete is indispensable. When constructing the internal structure of a bridge, the steel reinforcement needs to be bent according to specific requirements. However, traditional steel reinforcement bending machinery is typically limited to bending a single steel bar at a time. This is inefficient when a large number of steel bars need to be bent, failing to meet the immediate demand for steel reinforcement during construction and thus affecting project progress. Therefore, we propose a steel reinforcement bending device for bridge construction. Utility Model Content
[0003] The purpose of this utility model is to provide a bending device for steel bars in bridge construction to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a bending device for steel bars in bridge construction, comprising an operating platform, wherein a support frame symmetrically distributed on the left and right is fixedly mounted on the bottom of the operating platform, and a steel bar fixing mechanism and a bending mechanism are fixedly mounted on the top of the operating platform;
[0005] The rebar fixing mechanism includes a fixing platform, which is fixedly assembled on the surface of the operating table. The top of the fixing platform is integrally formed with a fixing groove, and a first limiting component and a second limiting component are fixedly assembled on the top of the fixing platform.
[0006] Preferably, the first limiting component includes a fixed shaft, which is symmetrically fixedly connected to the top of the fixed platform on the left and right. A fixed plate is fixedly mounted on the top of the fixed shaft. An adjusting screw is screwed to the middle of the fixed plate. A limiting plate is rotatably connected to the bottom of the adjusting screw. A guide shaft penetrating the fixed plate is symmetrically fixedly connected to the top of the limiting plate on the left and right.
[0007] Preferably, the second limiting component includes a limiting frame, which is symmetrically and fixedly assembled on the top of the fixed platform. A limiting block is inserted between the two limiting frames, and a limiting pin is inserted into the limiting frame and passes through the limiting block. A handle ring is fixedly connected to the top of the limiting pin.
[0008] Preferably, the bending mechanism includes an assembly frame, the side wall of the operating table is provided with a bending groove corresponding to the position of the assembly frame, a hydraulic telescopic cylinder is fixedly mounted on the top of the assembly frame, and the output end of the hydraulic telescopic cylinder passes through the assembly frame and is fixedly connected to a bending block.
[0009] Preferably, the sidewall of the bending block is integrally formed with a limiting slider, the limiting slider is slidably connected in a limiting groove, and the limiting groove is formed on the sidewall of the assembly frame.
[0010] Compared with the prior art, the beneficial effects of this utility model are: a bending device for steel bars in bridge construction adopts a method of mutual cooperation between a steel bar fixing mechanism and a bending mechanism. The steel bar fixing mechanism can hold multiple steel bars that need to be bent to the same size at one time, and then the bending mechanism performs batch bending operations on the steel bars. Compared with the traditional bending mechanism, this utility model can improve the bending efficiency of steel bars and meet the supply demand of steel bars.
[0011] Meanwhile, the present invention adopts a method in which the first limiting component and the second limiting component cooperate in the steel bar fixing mechanism, which can effectively improve the stability of the steel bar in the fixing mechanism during the bending process, and the process of limiting and fixing the steel bar is simple and convenient to operate. Attached Figure Description
[0012] Figure 1 This is a perspective view of the present invention.
[0013] Figure 2 This is a schematic diagram of the steel bar fixing mechanism of this utility model.
[0014] Figure 3 This is a schematic diagram of the bending mechanism of this utility model.
[0015] Figure 4 This is a schematic diagram of the structure after the steel bars of this utility model are assembled and fixed.
[0016] Figure 5 This is a schematic diagram of the structure of the reinforcing bar after bending according to this utility model.
[0017] In the diagram: 1. Operating table; 2. Support frame; 3. Rebar fixing mechanism; 31. Fixing platform; 32. Fixing groove; 4. Bending mechanism; 41. Assembly frame; 42. Bending groove; 43. Hydraulic telescopic cylinder; 44. Bending block; 5. First limiting component; 51. Fixing shaft; 52. Fixing plate; 53. Adjusting screw; 54. Limiting plate; 55. Guide shaft; 6. Second limiting component; 61. Limiting frame; 62. Limiting block; 63. Limiting pin; 64. Handle ring; 7. Limiting slider; 8. Limiting groove. Detailed Implementation
[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0019] Please see Figure 1 , Figure 2 , Figure 3 ,Figure 4 And Figure 5 The utility model provides a technical scheme: a kind of bending device of bridge engineering construction reinforcing bar, including operation platform 1, the bottom of operation platform 1 is fixed with the support frame 2 of left, right symmetry distribution, support frame 2 is fixed with the ground of construction site by fastening bolt, the top of operation platform 1 is fixed with reinforcing bar fixing mechanism 3 and bending mechanism 4, reinforcing bar fixing mechanism 3 is used to be fixed to reinforcing bar during bending process, bending mechanism 4 is used to carry out bending operation to reinforcing bar, the device can be in the engineering of bridge construction can batch to reinforcing bar simple bending operation, improve the efficiency of reinforcing bar bending, it is convenient for reinforcing bar to be used in subsequent construction process.
[0020] As Figure 1 And Figure 2 Indicated in, reinforcing bar fixing mechanism 3 includes fixed table 31, and fixed table 31 is detachably fixedly connected between operation platform 1 by fixed bolt, the top of fixed table 31 is integrally profiled with uniformly distributed fixed groove 32, and fixed groove 32 is used for placement during reinforcing bar bending process, and fixed groove 32 is arc-shaped, and the size of reinforcing bar assembled therewith is adapted, in the process of using, the reinforcing bar fixing mechanism 3 of whole can be replaced according to the different size of reinforcing bar required to be bent, and reinforcing bar fixing mechanism 3 adapted to the size of bending is used, reinforcing bar is fixedly connected with the inside welding of fixed table 31 (not shown in the drawing), the stability of fixed table 31 is strengthened during reinforcing bar bending operation by the reinforcing rib arranged, after fixed table 31 is stressed, the deformation of fixed table 31 is avoided, subsequent use is influenced, the surface of fixed table 31 is fixedly assembled with first limiting component 5 and second limiting component 6 respectively, in the bending operation of reinforcing bar, the position of reinforcing bar in fixed groove 32 can be fully limited by the first limiting component 5 and second limiting component 6 arranged, and the accuracy of reinforcing bar bending position is improved.
[0021] As Figure 2 Indicated in, first limiting component 5 includes fixed shaft 51, and fixed shaft 51 is fixedly welded on the surface of fixed table 31 left and right symmetrically, fixed plate 52 is fixedly welded on the top of fixed shaft 51, adjusting screw rod 53 is screwed in the center of fixed plate 52, hand wheel is fixedly connected on the top of adjusting screw rod 53, and adjusting screw rod 53 is rotatably connected with limiting plate 54 at the bottom, the surface of limiting plate 54 is fixedly connected with the guide shaft 55 of the penetration fixed plate 52 left and right symmetrically, the position of limiting plate 54 can be adjusted by hand wheel screwing adjusting screw rod 53, and the rear end position of reinforcing bar can be fixedly positioned after limiting plate 54 moves downward;
[0022] The second limiting assembly 6 comprises a limiting frame 61 which is symmetrically welded and fixed on the surface of the fixing table 31, two limiting blocks 62 are inserted into the limiting frame 61, after the reinforcing steel is placed into the fixing groove 32, the limiting block 62 is inserted into the two limiting frames 61, the middle part of the reinforcing steel is limited and fixed by the limiting block 62 during the bending process, the limiting pin 63 which penetrates through the limiting block 62 is inserted into the limiting frame 61, the handle ring 64 is welded and fixed on the top of the limiting pin 63, the limiting pin 63 is convenient to take through the handle ring 64, the limiting pin 63 which limits the limiting block 62 is arranged in the limiting frame 61, which can enhance the stability of the position of the limiting block 62 in the limiting frame 61 during the bending process of the reinforcing steel, and avoid displacement of the limiting block 62 in the limiting frame 61.
[0023] As shown in Figure 1 and Figure 3 , the bending mechanism 4 comprises an assembly frame 41 which is welded and fixed on the surface of the operation table 1, the surface of the operation table 1 is provided with a bending groove 42 corresponding to the position of the assembly frame 41, the top of the assembly frame 41 is fixedly provided with a hydraulic telescopic cylinder 43, the output end of the hydraulic telescopic cylinder 43 penetrates into the assembly frame 41 and is detachably fixedly connected with a bending block 44 through a fixing screw, the hydraulic telescopic cylinder 43 is connected with an external hydraulic oil supply device, the up and down movement of the bending block 44 is driven by the output end of the hydraulic telescopic cylinder 43, the bending of the reinforcing steel in the bending groove 42 is completed, the bending block 44 and the output end of the hydraulic telescopic cylinder 43 are detachably fixedly installed, the bending block 44 can be replaced according to the different sizes of the reinforcing steel to be bent, so that the bending mechanism 4 has better adaptability and can bend reinforcing steel of different sizes.
[0024] As shown in Figure 2 , the side wall of the bending block 44 is integrally formed with a limiting sliding block 7, the limiting sliding block 7 is slidably connected in a limiting sliding groove 8, the limiting sliding groove 8 is arranged in the side wall of the assembly frame 41, the lifting stroke of the bending block 44 is limited by the cooperation of the limiting sliding block 7 and the limiting sliding groove 8, and the stability of the lifting process of the bending block 44 in the assembly frame 41 is improved.
[0025] Working principle: as shown in Figure 4 and Figure 5As shown in the middle, when the steel bar needs to be bent, select the corresponding steel bar fixing mechanism 3 according to the size of the steel bar to be bent, fix the fixing table 31 with the operation table 1, then select the corresponding bending block 44 according to the size of the steel bar to be bent, fix the bending block 44 with the output end of the hydraulic telescopic cylinder 43, and then place the steel bar into the corresponding fixed groove 32. First, screw the adjusting screw 53, and then fix the rear end of the steel bar after the limiting plate 54 is lowered. Then insert the limiting block 62 into the limiting frame 61, and then insert the limiting pin 63 into the limiting block 62 after penetrating the limiting frame 61, so as to further limit and fix the position of the limiting block 62. Control the hydraulic telescopic cylinder 43 to drive the bending block 44 to move downward along the bending groove 42, so as to batch bend the steel bar. In the bending process, the cooperation of the first limiting assembly 5 and the second limiting assembly 6 can fully limit the position of the steel bar and keep the stability of the steel bar during the bending process.
Claims
1. A bending device for bridge engineering construction steel bars, comprising an operating table (1), the bottom of the operating table (1) is fixedly provided with support frames (2) which are symmetrically distributed left and right, characterized in that: The top of the operation table (1) is fixedly provided with a reinforcing bar fixing mechanism (3) and a bending mechanism (4); The reinforcing bar fixing mechanism (3) comprises a fixing table (31) fixedly provided on the surface of the operation table (1), and a fixing groove (32) is integrally formed on the top of the fixing table (31), and a first limiting assembly (5) and a second limiting assembly (6) are fixedly provided on the top of the fixing table (31).
2. The bending device for bridge engineering construction reinforcement according to claim 1, characterized in that: The first limiting assembly (5) comprises a fixed shaft (51) fixedly connected to the top of the fixing table (31) in a left-right symmetrical manner, a fixed plate (52) is fixedly provided on the top of the fixed shaft (51), an adjusting screw rod (53) is screwed in the middle of the fixed plate (52), a limiting plate (54) is rotatably connected to the bottom of the adjusting screw rod (53), and a left-right symmetrical guide shaft (55) penetrating through the fixed plate (52) is fixedly connected to the top of the limiting plate (54).
3. The bending device for bridge engineering construction reinforcement according to claim 1, characterized in that: The second limiting assembly (6) comprises a limiting frame (61) fixedly provided on the top of the fixing table (31) in a left-right symmetrical manner, a limiting block (62) is inserted between the two limiting frames (61), a limiting pin (63) penetrating through the limiting block (62) is inserted into the limiting frame (61), and a handle ring (64) is fixedly connected to the top of the limiting pin (63).
4. The bending device for bridge engineering construction reinforcement according to claim 1, characterized in that: The bending mechanism (4) comprises an assembly frame (41), a bending groove (42) corresponding to the position of the assembly frame (41) is formed in the side wall of the operation table (1), a hydraulic telescopic cylinder (43) is fixedly provided on the top of the assembly frame (41), and a bending block (44) is fixedly connected to the output end of the hydraulic telescopic cylinder (43) and penetrates through the assembly frame (41).
5. The bending device for bridge construction reinforcing steel according to claim 4, characterized in that: A limiting sliding block (7) is integrally formed on the side wall of the bending block (44), the limiting sliding block (7) is slidingly connected in a limiting sliding groove (8), and the limiting sliding groove (8) is formed in the side wall of the assembly frame (41).