A bending mechanism for prefabricated box girder diaphragm steel bar processing

CN224642207UActive Publication Date: 2026-08-18HUBEI ROAD & BRIDGE GRP CO LTD +3
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Patent Information

Application Number
CN202521733501.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-14
Publication Date
2026-08-18
Estimated Expiration
2035-08-14

AI Technical Summary

Technical Problem

[0004]本实用新型的目的在于:为了解决上述在折弯时,不便根据需要调节所需折弯的长度的问题,而提出的一种预制箱梁横隔板钢筋加工用折弯机构

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Abstract

The utility model discloses a kind of bending mechanisms for prefabricated box girder diaphragm reinforcement processing, belong to prefabricated box girder diaphragm reinforcement processing technical field, including operation platform and mounting bracket, the top fixedly connected with mounting bracket of operation platform, adjusting assembly is provided in the operation platform, bending assembly is provided in the mounting bracket, the adjusting assembly includes motor, the output shaft fixedly connected with threaded rod of motor, the lateral wall of threaded rod is threadedly connected with first moving plate, one end of the first moving plate is fixedly connected with positioning plate;In the utility model, by being provided with adjusting assembly, by this design, utilize motor to drive positioning plate to move, and cooperate with scale plate to be convenient for the length of bending according to need to adjust, cleaning brush is used to clean the outer surface of threaded rod again, avoid the outer surface of threaded rod to adhere impurity, reduce some workload that need to clean.
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Description

Technical Field

[0001] This utility model belongs to the field of precast box girder diaphragm reinforcement processing technology, and particularly relates to a bending mechanism for processing precast box girder diaphragm reinforcement. Background Technology

[0002] Precast box girder diaphragms are diaphragms installed in precast box girders. Their main function is to enhance the lateral stiffness and stability of the box girder and prevent the beam from twisting or deforming when subjected to lateral forces. When making precast box girder diaphragms, bending machines are usually required to bend the steel bars used to make the precast box girder diaphragms.

[0003] Nowadays, bending machines make it more convenient to bend the steel bars of precast box girder transverse diaphragms. However, it is inconvenient to adjust the required bending length during bending. To solve this problem, a bending mechanism for processing precast box girder transverse diaphragm steel bars that can adjust the required bending length is needed. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that it is inconvenient to adjust the required bending length when bending, and to propose a bending mechanism for processing the reinforcing bars of the transverse diaphragm of a precast box girder.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a bending mechanism for processing the reinforcing bars of the transverse diaphragm of a precast box girder, comprising an operating table and an installation frame, wherein the top of the operating table is fixedly connected to the installation frame, an adjustment component is provided in the operating table, and a bending component is provided in the installation frame;

[0006] The adjustment assembly includes a motor, the output shaft of which is fixedly connected to a threaded rod. A first movable plate is threadedly connected to the side wall of the threaded rod. A positioning plate is fixedly connected to one end of the first movable plate. A second movable plate is fixedly connected to one side of the positioning plate. A limit rod is slidably connected to the inner wall of the second movable plate. A connecting block is fixedly connected to the top surface of both the first and second movable plates. A fixing plate is fixedly connected to the top surface of the connecting block. A hydraulic cylinder is fixedly connected to one side of the fixing plate. One end of the hydraulic cylinder passes through the fixing plate. A clamping plate is fixedly connected to the output shaft of the hydraulic cylinder. A roller is provided at the bottom of the positioning plate. A fixing groove is provided in the operating table. A sliding groove is provided on the top surface of the operating table. A telescopic groove is provided in the operating table. A scale plate is fixedly connected to the top surface of the operating table.

[0007] As a further description of the above technical solution:

[0008] Both ends of the limiting rod are fixedly connected to the inner wall of the operating table. One end of the motor is fixedly connected to the side wall of the operating table. One end of the threaded rod passes through the inner wall of the operating table, and the other end of the threaded rod is rotatably connected to the inner wall of the fixing groove. The second moving plate is slidably connected to the inner wall of the operating table. The first moving plate is slidably connected to the inner wall of the fixing groove. The top end of the connecting block passes through the sliding groove. A support column is fixedly connected to the bottom surface of the operating table.

[0009] As a further description of the above technical solution:

[0010] The bending assembly includes a hydraulic actuator, the bottom end of which is fixedly connected to the top surface of the mounting bracket.

[0011] As a further description of the above technical solution:

[0012] The output shaft of the hydraulic device passes through the mounting bracket, and a threaded block is fixedly connected to the output shaft of the hydraulic device.

[0013] As a further description of the above technical solution:

[0014] An electromagnetic block is fixedly connected to the bottom end of the threaded block, and a bending plate is provided on the side wall of the threaded block.

[0015] As a further description of the above technical solution:

[0016] The bending plate is provided with threaded holes.

[0017] As a further description of the above technical solution:

[0018] The threaded hole is round, and the electromagnetic block is round.

[0019] As a further description of the above technical solution:

[0020] The inner wall of the threaded hole is threadedly connected to the side wall of the threaded block.

[0021] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0022] 1. In this utility model, by providing an adjustment component, during use, the motor is started according to the required bending length. The motor drives the threaded rod, which in turn drives the first moving plate, and then the positioning plate. The positioning plate moves according to the scale on the scale plate to the required bending length, thus facilitating adjustment of the required bending length. While the positioning plate moves, rollers make its movement smoother. Simultaneously, a cleaning brush cleans the outer surface of the threaded rod to prevent impurities from adhering to it, reducing the amount of cleaning work required. After adjusting the positioning plate, the hydraulic cylinder is activated, which drives the clamping plate to clamp and fix the reinforcing bar. This design utilizes a motor to move the positioning plate, and with the help of the scale plate, facilitates adjustment of the required bending length. The cleaning brush further cleans the outer surface of the threaded rod, preventing impurities from adhering to it and reducing the amount of cleaning work required.

[0023] 2. In this utility model, a bending assembly is provided. During bending, the hydraulic press is activated, which drives the threaded block and the bending plate to bend the reinforcing bar. When the bending plate needs to be replaced, the electromagnetic block is deactivated, the bending plate is rotated to separate the threaded block from the threaded hole, and the bending plate is then removed and replaced. The replaced bending plate is then connected and fixed to the threaded block through the threaded hole, and the electromagnetic block is activated to attract and fix the inner wall of the threaded hole, improving the stability of the bent plate after fixing. Through this design, the hydraulic press drives the bending plate to bend the reinforcing bar, and the threaded block, threaded hole, and electromagnetic block facilitate the installation and removal of the bending plate, making it easy to disassemble and replace when needed. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of a bending mechanism for processing the reinforcing bars of a precast box girder transverse diaphragm.

[0025] Figure 2 This is an exploded three-dimensional structural diagram of the fixed component of a bending mechanism for processing the reinforcing bars of a precast box girder diaphragm.

[0026] Figure 3 This is a schematic diagram of a partial component of the fixed assembly of a bending mechanism for processing the reinforcing bars of a precast box girder diaphragm.

[0027] Figure 4 This is an exploded three-dimensional structural diagram of a bending component for a bending mechanism used in the processing of reinforcing bars for the transverse diaphragms of a precast box girder.

[0028] Legend:

[0029] 1. Support column; 2. Operating table; 3. Adjustment assembly; 31. Motor; 32. Threaded rod; 33. First moving plate; 34. Connecting block; 35. Fixing plate; 36. Clamping plate; 37. Hydraulic cylinder; 38. Positioning plate; 39. Roller; 310. Second moving plate; 311. Limiting rod; 312. Scale plate; 313. Fixing groove; 314. Telescopic groove; 315. Slide groove; 316. Positioning groove; 317. Cleaning brush; 4. Mounting frame; 5. Bending assembly; 51. Hydraulic unit; 52. Threaded block; 53. Electromagnetic block; 54. Threaded hole; 55. Bending plate. Detailed Implementation

[0030] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figures 1-4 This utility model provides a technical solution: a bending mechanism for processing the reinforcing bars of the transverse diaphragm of a precast box girder, including an operating table 2 and an mounting frame 4. The top of the operating table 2 is fixedly connected to the mounting frame 4, the operating table 2 is provided with an adjustment component 3, and the mounting frame 4 is provided with a bending component 5.

[0032] The adjusting assembly 3 includes a motor 31. A threaded rod 32 is fixedly connected to the output shaft of the motor 31. A first moving plate 33 is threadedly connected to the side wall of the threaded rod 32. A positioning plate 38 is fixedly connected to one end of the first moving plate 33. A second moving plate 310 is fixedly connected to one side of the positioning plate 38. A limit rod 311 is slidably connected to the inner wall of the second moving plate 310. Connecting blocks 34 are fixedly connected to the top surfaces of both the first moving plate 33 and the second moving plate 310. A fixing plate 35 is fixedly connected to the top surface of the connecting blocks 34. A hydraulic cylinder 37 is fixedly connected to one side of the fixing plate 35. One end of the hydraulic cylinder 37 passes through the fixing plate 35. A clamping plate 36 is fixedly connected to the output shaft of the hydraulic cylinder 37. The bottom of the positioning plate 38 is provided with… The system includes rollers 39, a fixed groove 313 in the operating table 2, a sliding groove 315 on the top surface of the operating table 2, a telescopic groove 314 in the operating table 2, a scale plate 312 fixedly connected to the top surface of the operating table 2, both ends of the limiting rod 311 fixedly connected to the inner wall of the operating table 2, one end of the motor 31 fixedly connected to the side wall of the operating table 2, one end of the threaded rod 32 passing through the inner wall of the operating table 2, and the other end of the threaded rod 32 rotatably connected to the inner wall of the fixed groove 313, the second moving plate 310 slidably connected to the inner wall of the operating table 2, the first moving plate 33 slidably connected to the inner wall of the fixed groove 313, the top end of the connecting block 34 passing through the sliding groove 315, and a support column 1 fixedly connected to the bottom surface of the operating table 2.

[0033] The specific implementation method is as follows: In use, the motor 31 is started according to the required bending length. The motor 31 drives the threaded rod 32, which in turn drives the first moving plate 33, and then drives the positioning plate 38. The positioning plate 38 moves according to the scale on the scale plate 312 and moves to the required bending length, so as to facilitate the adjustment of the required bending length. While the positioning plate 38 moves, the roller 39 makes the movement of the positioning plate 38 smoother. While the first moving plate 33 is driven, the cleaning brush 317 cleans the outer surface of the threaded rod 32 to prevent impurities from adhering to the outer surface of the threaded rod 32 and reduce the amount of cleaning work required. After adjusting the positioning plate 38, the hydraulic cylinder 37 is started, which drives the clamping plate 36 to clamp and fix the steel bar.

[0034] The bending assembly 5 includes a hydraulic actuator 51, the bottom end of which is fixedly connected to the top surface of the mounting frame 4. The output shaft of the hydraulic actuator 51 passes through the mounting frame 4. A threaded block 52 is fixedly connected to the output shaft of the hydraulic actuator 51. An electromagnetic block 53 is fixedly connected to the bottom end of the threaded block 52. A bending plate 55 is provided on the side wall of the threaded block 52. A threaded hole 54 is provided in the bending plate 55. The threaded hole 54 is circular. The electromagnetic block 53 is circular. The inner wall of the threaded hole 54 is threadedly connected to the side wall of the threaded block 52.

[0035] The specific implementation method is as follows: When bending, the hydraulic device 51 is activated, which drives the threaded block 52 and the bending plate 55 to bend the steel bar. When the bending plate 55 needs to be replaced, the electromagnetic block 53 is turned off, the bending plate 55 is rotated to separate the threaded block 52 from the threaded hole 54, the bending plate 55 is then removed and replaced, and the replaced bending plate 55 is connected and fixed to the threaded block 52 through the threaded hole 54. The electromagnetic block 53 is then activated to attract and fix the inner wall of the threaded hole 54, thereby improving the stability of the bent plate 55 after it is fixed.

[0036] Working principle: During use, the motor 31 is started according to the required bending length. The motor 31 drives the threaded rod 32, which in turn drives the first moving plate 33, and then the positioning plate 38. The positioning plate 38 moves according to the scale on the scale plate 312 to the required bending length, which facilitates adjustment of the required bending length. While the positioning plate 38 moves, the roller 39 makes the movement of the positioning plate 38 smoother. At the same time as the first moving plate 33 is driven, the cleaning brush 317 cleans the outer surface of the threaded rod 32 to prevent impurities from adhering to the outer surface of the threaded rod 32, reducing the amount of cleaning work required. The positioning plate is adjusted... After step 38, start hydraulic cylinder 37, which drives clamping plate 36 to clamp and fix the steel bar. During bending, start hydraulic actuator 51, which drives threaded block 52 and bending plate 55 to bend the steel bar. When bending plate 55 needs to be replaced, turn off electromagnetic block 53, rotate bending plate 55 to separate threaded block 52 from threaded hole 54, remove bending plate 55 and replace it. Then connect and fix the replaced bending plate 55 to threaded block 52 through threaded hole 54, and start electromagnetic block 53 to attract and fix the inner wall of threaded hole 54, improving the stability of bending plate 55 after fixation.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A bending mechanism for processing reinforcing bars of transverse diaphragms in precast box girders, comprising an operating table (2) and a mounting frame (4), wherein the top of the operating table (2) is fixedly connected to the mounting frame (4), characterized in that: The operating table (2) is provided with an adjustment component (3), and the mounting bracket (4) is provided with a bending component (5); The adjustment assembly (3) includes a motor (31), the output shaft of which is fixedly connected to a threaded rod (32). A first moving plate (33) is threadedly connected to the side wall of the threaded rod (32). A positioning plate (38) is fixedly connected to one end of the first moving plate (33). A second moving plate (310) is fixedly connected to one side of the positioning plate (38). A limit rod (311) is slidably connected to the inner wall of the second moving plate (310). A connecting block (34) is fixedly connected to the top surface of both the first moving plate (33) and the second moving plate (310). 4) The top surface is fixedly connected to a fixing plate (35), and a hydraulic cylinder (37) is fixedly connected to one side of the fixing plate (35). One end of the hydraulic cylinder (37) passes through the fixing plate (35). The output shaft of the hydraulic cylinder (37) is fixedly connected to a clamping plate (36). A roller (39) is provided at the bottom of the positioning plate (38). A fixing groove (313) is provided in the operating table (2). A sliding groove (315) is provided on the top surface of the operating table (2). A telescopic groove (314) is provided in the operating table (2). A scale plate (312) is fixedly connected to the top surface of the operating table (2).

2. The bending mechanism for processing the reinforcing bars of the transverse diaphragm of a precast box girder according to claim 1, characterized in that, Both ends of the limiting rod (311) are fixedly connected to the inner wall of the operating table (2). One end of the motor (31) is fixedly connected to the side wall of the operating table (2). One end of the threaded rod (32) passes through the inner wall of the operating table (2). The other end of the threaded rod (32) is rotatably connected to the inner wall of the fixing groove (313). The second moving plate (310) is slidably connected to the inner wall of the operating table (2). The first moving plate (33) is slidably connected to the inner wall of the fixing groove (313). The top end of the connecting block (34) passes through the sliding groove (315). A support column (1) is fixedly connected to the bottom surface of the operating table (2).

3. The bending mechanism for processing the reinforcing bars of the transverse diaphragm of a precast box girder according to claim 2, characterized in that, The bending assembly (5) includes a hydraulic device (51), the bottom end of which is fixedly connected to the top surface of the mounting bracket (4).

4. The bending mechanism for processing the reinforcing bars of the transverse diaphragm of a precast box girder according to claim 3, characterized in that, The output shaft of the hydraulic device (51) passes through the mounting bracket (4), and the output shaft of the hydraulic device (51) is fixedly connected to a threaded block (52).

5. A bending mechanism for processing reinforcing bars of precast box girder transverse diaphragms according to claim 4, characterized in that, An electromagnetic block (53) is fixedly connected to the bottom end of the threaded block (52), and a bending plate (55) is provided on the side wall of the threaded block (52).

6. A bending mechanism for processing reinforcing bars of precast box girder transverse diaphragms according to claim 5, characterized in that, The bending plate (55) is provided with threaded holes (54).

7. A bending mechanism for processing reinforcing bars of precast box girder transverse diaphragms according to claim 6, characterized in that, The threaded hole (54) is round, and the electromagnetic block (53) is round.

8. A bending mechanism for processing reinforcing bars of precast box girder transverse diaphragms according to claim 7, characterized in that, The inner wall of the threaded hole (54) is threadedly connected to the side wall of the threaded block (52).