Shaped jig frame for manufacturing steel box girder

Through the assembly method of combining a fixed tire frame and a welding robot, the problems of complex production and waste of resources of traditional steel box beam tire frames are solved, and efficient and accurate steel box beam assembly and cost control are achieved.

CN223146367UActive Publication Date: 2025-07-25ZHEJIANG JIAOGONG UNDERGROUND ENG CO LTD +1
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Patent Information

Application Number
CN202422170502.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-07-25
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The traditional steel box girder tire frame is complex in production, and the material is wasteful, making it difficult to disassemble, assemble and reuse, resulting in high construction costs and low accuracy.

Method used

The shaped tire frame is adopted, including assembled auxiliary plates and side rotary plates, combined with welding robots, to improve assembly accuracy and efficiency.

Benefits of technology

It improves the construction efficiency and accuracy of steel box girder assembly, reduces construction costs, and realizes the reuse of tire frames and the effective utilization of resources.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223146367U_ABST
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Abstract

The utility model relates to a shaping jig frame for manufacturing a steel box girder. The shaping jig frame comprises the steel box girder, a shaping jig frame body, a welding robot, a concrete base, an assembling auxiliary plate, a side rotating plate and a welding robot track. The utility model has the beneficial effects that the half-range steel box girder integral splicing device is used for integral splicing of half-range steel box girders, adopts the splicing auxiliary plates, and is provided with the rotary fixing plates to fix the back surfaces of the splicing auxiliary plates, so that the construction efficiency of splicing each plate in place is improved; the side rotating plates are arranged on the side edges of the jig frame, and the tensioning rods are arranged for supporting the jig frame, so that the in-place accuracy of the side edge steel plate units is improved.
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Description

Technical Field

[0001] The utility model relates to the field of steel box girder manufacturing, in particular to a standardized jig for steel box girder manufacturing. Background Art

[0002] With the rapid development of steel structures in the engineering field, traditional highway bridges increasingly use steel box girders to replace the original concrete bridges. Steel box girders have the advantages of light structure, good seismic performance, fast construction speed, and simple construction, so they are widely used in modern bridge engineering.

[0003] Traditional steel box girder jigs generally use I-beams or other shaped steel ground jigs. A large amount of welding work is required during the manufacturing process of these ground jigs, which not only increases the manufacturing difficulty, but also may lead to material waste and an increase in manufacturing costs. Moreover, the structural design of traditional jigs is often not reasonable enough, resulting in difficulty in disassembly, assembly, and reuse after one use, causing waste of resources.

[0004] In view of this, in response to a series of problems existing in the jigs used in current steel box girder manufacturing, overcoming the limitations of traditional manufacturing methods, and improving the manufacturing efficiency and precision of steel box girders, it is urgent to invent a simple and effective standardized jig for steel box girder manufacturing to effectively control the assembly precision of steel box girders, thereby improving construction efficiency, ensuring project quality, and reducing construction costs. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a standardized jig for steel box girder manufacturing.

[0006] This standardized jig for steel box girder manufacturing includes a steel box girder, a standardized jig, a welding robot, a concrete base, an assembly auxiliary plate, a side rotating plate, and a welding robot track.

[0007] Welding robot tracks are arranged on both sides of the concrete base, several standardized jigs are arranged between the welding robot tracks, and a welding robot is arranged above the welding robot tracks.

[0008] The standardized jig at the end is provided with a side rotating plate corresponding to the lateral side of the steel box girder; the standardized jig is provided with an assembly auxiliary plate corresponding to the longitudinal side of the steel box girder.

[0009] Preferably, the standardized jig is arranged on the concrete base, welding robot tracks are arranged on both sides of the concrete base, a car stop is arranged at the end of the welding robot tracks, the welding robot is arranged above the welding robot tracks through a lifting seat, and a lifting section is arranged above the welding robot.

[0010] Preferably, a side rotating plate is arranged on the side of the standardized formwork support, an upper sleeve is arranged at the bottom of the side rotating plate, an angle steel base is arranged on the standardized formwork support, a sleeve is arranged on the angle steel base, and a tension rod is arranged between the upper sleeve and the sleeve.

[0011] Preferably, lifting lugs are arranged on the top surface of the assembly auxiliary plate, a baffle is arranged on the side surface of the assembly auxiliary plate far away from the steel box girder, channel steel stiffening plates are arranged at the bottom of the assembly auxiliary plate, a channel steel base is arranged on the standardized formwork support, an I-beam distribution beam is arranged on the channel steel base, a self-locking rotating seat is arranged on the channel steel base, a rotating fixing plate is arranged on the self-locking rotating seat, the rotating fixing plate is buckled on one side of the baffle, and the assembly auxiliary plate is placed on the I-beam distribution beam.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1) The standardized formwork support involved in the utility model is used for the overall assembly of a half-span steel box girder. The assembly auxiliary plate is adopted, and the rotating fixing plate is arranged to fix the back surface of the assembly auxiliary plate, improving the construction efficiency of the assembly of each plate member in place.

[0014] 2) The side rotating plate is adopted on the side of the formwork support of the utility model, and the tension rod is arranged to support it, improving the accuracy of the placement of the side steel plate units in place. Description of the Drawings

[0015] Figure 1 is the three-dimensional structure diagram of the steel box girder assembly of the utility model;

[0016] Figure 2 is the three-dimensional structure diagram of the standardized formwork;

[0017] Figure 3 is the three-dimensional diagram of the side rotating plate;

[0018] Figure 4 is the schematic diagram of the assembly auxiliary plate.

[0019] Description of the reference numerals: 1. Steel box girder; 2. Welding robot track; 3. Buffer stop; 4. Standardized formwork support; 5. Channel steel base; 6. Rotating fixing plate; 7. Baffle; 8. Assembly auxiliary plate; 9. Lifting lug; 10. Side rotating plate; 11. Tension rod; 12. Rotating assembly; 13. Angle steel base; 14. Welding robot; 15. Lifting seat; 16. Concrete base; 17. Lifting section; 18. Sleeve; 19. Self-locking rotating seat; 20. Upper sleeve; 21. Channel steel stiffening plate; 22. I-beam distribution beam. Detailed Implementation Modes

[0020] The following further describes the present utility model in conjunction with embodiments. The description of the following embodiments is only used to help understand the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several modifications can be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

[0021] As an embodiment, as Figures 1 to 4 shown, this standardized jig for fabricating steel box girders mainly includes a steel box girder 1, a standardized jig 4, a welding robot 14, a concrete base 16, an assembly auxiliary plate 8, a side rotating plate 10, a welding robot track 2, a rotating assembly 12, etc.

[0022] Welding robot tracks 2 are arranged on both sides of the concrete base 16, several standardized jigs 4 are arranged between the welding robot tracks 2, and a welding robot 14 is arranged above the welding robot tracks 2;

[0023] For the standardized jig 4 located at the end, a side rotating plate 10 is provided corresponding to the lateral side of the steel box girder 1; an assembly auxiliary plate 8 is provided corresponding to the longitudinal side of the steel box girder 1, which is used to align each segment of the steel box girder 1 horizontally on one side for easy welding.

[0024] As Figure 2 shown, the standardized jig 4 is arranged on the concrete base 16, welding robot tracks 2 are arranged on both sides of the concrete base 16, a bumper 3 is arranged at the end of the welding robot tracks 2, a welding robot 14 with a lifting seat 15 is arranged above the welding robot tracks 2, and a lifting section 17 is arranged above the welding robot 14, which is used to control the lifting of the welding end.

[0025] As Figure 3 shown, a side rotating plate 10 is arranged on the side of the standardized jig 4, an upper sleeve 20 is arranged at the bottom of the side rotating plate 10, an angle steel base 13 is arranged on the standardized jig, a sleeve 18 is arranged on the angle steel base, and a tension rod 11 is arranged in the two sleeves, which is used to support the rotation angle of the side rotating plate 10.

[0026] Lifting lugs 9 are arranged on the top surface of the assembly auxiliary plate 8, and two baffles 7 are arranged on the side far from the steel box girder 1. As Figure 4 shown, the two baffles 7 are arranged in a V-shaped pattern. Point load channel steel stiffeners 21 are arranged at the bottom of the assembly auxiliary plate 8. A channel steel base 5 and an I-beam distribution beam 22 are arranged on the standardized jig. A self-locking rotating seat 19 is arranged on the channel steel base. The assembly auxiliary plate 8 is placed on the I-beam distribution beam 22. Rotating fixing plates 6 are arranged on the self-locking rotating seat 19, and the two rotating fixing plates 6 are respectively buckled on the outside of the baffles 7 to fix the position of the assembly auxiliary plate 8.

[0027] It should be noted that the same or similar parts in this embodiment and the first embodiment can be referred to each other, and will not be described in detail in this application.

[0028] The embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other.

Claims

1. A standardized jig for fabricating steel box girders, characterized in that, It includes a steel box girder, a standardized support frame, a welding robot, a concrete base, an assembly auxiliary plate, a side rotating plate and a welding robot track; Welding robot tracks are arranged on both sides of the concrete base, several standardized support frames are arranged between the welding robot tracks, and a welding robot is arranged above the welding robot tracks; Side rotating plates are provided on the sides corresponding to the transverse sides of the steel box girder of the standardized support frames at the ends; assembly auxiliary plates are provided on the sides corresponding to the longitudinal sides of the steel box girder of the standardized support frames.

2. The standardized fixture for fabricating steel box girders according to claim 1, characterized in that, Standardized support frames are arranged on the concrete base, welding robot tracks are arranged on both sides of the concrete base, a bumper is arranged at the end of the welding robot track, the welding robot is arranged above the welding robot track through a lifting seat, and a lifting section is arranged above the welding robot.

3. The standardized jig for manufacturing steel box girders according to claim 1, wherein Side rotating plates are arranged on the sides of the standardized support frames, upper sleeves are arranged at the bottoms of the side rotating plates, angle steel bases are arranged on the standardized support frames, sleeves are arranged on the angle steel bases, and tension rods are arranged between the upper sleeves and the sleeves.

4. The standardized jig for fabricating steel box girders according to claim 1, characterized in that, Lifting lugs are arranged on the top surface of the assembly auxiliary plate, baffles are arranged on the side of the assembly auxiliary plate far from the steel box girder, channel steel stiffening plates are arranged at the bottom of the assembly auxiliary plate, channel steel bases are arranged on the standardized support frames, I-beam distribution beams are arranged on the channel steel bases, self-locking rotating seats are arranged on the channel steel bases, rotating fixing plates are arranged on the self-locking rotating seats, the rotating fixing plates are buckled on one side of the baffle, and the assembly auxiliary plate is placed on the I-beam distribution beam.