Movable auxiliary welding frame

By designing a movable auxiliary weld frame, using its support frame, movable wheel and adjustment structure, the cumbersome problem of traditional support erecting is solved, efficient welding of steel box beams is achieved, and welding efficiency and worker safety is improved.

CN222971310UActive Publication Date: 2025-06-13KUNMING JIAJI STEEL STRUCTURE ENG CO LTD
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Patent Information

Application Number
CN202422102459.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-06-13
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

In bridge projects, the efficient welding of steel box girders is restricted by problems such as cumbersome installation of traditional brackets and difficulty in transition, resulting in low welding efficiency and high labor intensity for workers.

Method used

A movable auxiliary welding frame is designed, including supporting frame, water tank, moving wheel, main vertical mother rod, bottom mother rod and power wheel. Through the combination and adjustment of these components, the rapid movement and height adjustment of the welding frame is achieved.

Benefits of technology

The welding frame is simple in design and easy to operate, which significantly improves welding efficiency, reduces workers' labor intensity, achieves rapid transition and good reusability, and saves labor costs.

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Abstract

The utility model relates to the technical field of bridge engineering, in particular to a movable auxiliary welding frame which comprises a supporting frame, the supporting frame comprises two top main rods and two top connecting rods, a water tank is arranged at the top of the supporting frame, main vertical female rods are installed at the bottoms of the two ends of one top connecting rod, and main vertical male rods are connected to the bottoms of the main vertical female rods in an inserted mode. Moving wheels are installed at the bottoms of the two ends of the top main rod, a bottom main female rod is installed on the side face of the bottom end of the main vertical male rod, a bottom main male rod is inserted into the outer end of the bottom main female rod, an inclined pull rope is connected between the outer end of the bottom main male rod and the bottom end of the main vertical female rod, a movable wheel arm is installed on one side of the main vertical female rod, and a power wheel is installed at the outer end of the movable wheel arm. The movable auxiliary welding frame is simple and reasonable in structural design and easy and convenient to operate, and the efficiency of welding operation is greatly improved. Secondly, a steel pipe frame does not need to be erected tediously, rapid transition is achieved, the labor intensity of workers is reduced, and the construction process is more convenient, rapid and efficient.
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Description

Technical Field

[0001] The utility model relates to the technical field of bridge engineering, and specifically, to a movable auxiliary welding frame. Background Art

[0002] In the field of bridge engineering, steel box girders are widely used because their materials are easily obtainable and the processing and manufacturing processes are mature. Steel box girders are usually prefabricated into segments of a certain length in the factory and then transported to the bridge construction site for assembly. However, due to the relatively large geometric height of the steel box girder, there are many challenges in welding the vertical butt joints between segments.

[0003] Traditional methods require scaffolds of different heights to assist workers in welding, but this method has many inconveniences, such as the cumbersome erection and disassembly processes and the difficulty in transferring the site, resulting in low welding efficiency and high labor intensity for workers. To solve these problems, the present invention provides a movable auxiliary welding frame, which is reasonably designed and easy to operate, and can achieve rapid movement and height adjustment on the bridge, thereby significantly improving the welding efficiency and reducing the labor intensity of workers. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a movable auxiliary welding frame to solve the problems in the above background art that scaffolds of different heights are required to assist workers in welding, but this method has many inconveniences, such as the cumbersome erection and disassembly processes and the difficulty in transferring the site, resulting in low welding efficiency and high labor intensity for workers.

[0005] To achieve the above purpose, the utility model provides a movable auxiliary welding frame, including a support frame. The support frame includes two top main rods and two top connecting rods. A water tank is arranged at the top of the support frame. The bottoms of both ends of one top connecting rod are installed with main vertical female rods. The main vertical male rods are inserted into the bottoms of the main vertical female rods. The bottoms of both ends of the top main rods are installed with moving wheels. The side of the bottom end of the main vertical male rod is installed with a bottom main female rod. The outer end of the bottom main female rod is inserted with a bottom main male rod. A stay rope is connected between the outer end of the bottom main male rod and the bottom end of the main vertical female rod. A moving wheel arm is installed on one side of the main vertical female rod, and a power wheel is installed at the outer end of the moving wheel arm.

[0006] Preferably, the two top main rods are arranged in parallel, and the two ends of the top main rods are connected and fixed by the top connecting rods. The top main rods and the top connecting rods together form a rectangular frame structure.

[0007] Preferably, a number of through adjustment holes are arranged on the outer wall of the main vertical female rod, and a positioning hole is horizontally penetrated at the top end of the main vertical male rod. The adjustment holes of the main vertical female rod and the positioning hole of the main vertical male rod are connected by a pin shaft.

[0008] Preferably, a plurality of through adjusting holes are provided on the outer wall of the bottom main female rod, a positioning hole is horizontally and penetratingly provided at one end of the bottom main male rod, and the adjusting holes of the bottom main female rod and the positioning hole of the bottom main male rod are connected by a pin shaft.

[0009] Preferably, a vertical connecting rod is connected between the bottom ends of the main vertical female rods, and a bottom connecting rod is installed between the bottom ends of the main vertical male rods.

[0010] Preferably, a drain pipe is provided on one side of the bottom of the water tank, and a valve is installed on the drain pipe.

[0011] Preferably, a power support is installed at the top of one end of the moving wheel arm, a fixed support is installed on one side of the power support, the top end of the power support is connected to the axis of the power wheel through a rotating shaft, a plurality of braking holes are radially and evenly spaced with the axis as the center of the circle on the power wheel, a fixed support hole is provided at the top end of the fixed support, when the power wheel rotates, the fixed support hole can coincide with different braking holes, and the power wheel is limited by inserting a pin through the fixed support hole.

[0012] Preferably, a rocker arm is installed on the outer wall of one side of the power wheel.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] In the movable auxiliary welding frame, its structural design is simple and reasonable, the operation is simple, and the efficiency of welding operation is greatly improved. Secondly, the device does not need to set up steel pipe frames complicatedly, realizes rapid transfer of the site, reduces the labor intensity of workers, and makes the construction process more convenient and efficient.

[0015] In addition, the auxiliary welding frame has good reusability and has certain automation functions, which not only further improves the construction efficiency, but also effectively saves labor costs, and finally achieves good construction effects. Generally speaking, the present utility model provides an innovative and effective solution for solving the challenges faced in the welding operation of steel box girders in bridge engineering. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structural schematic diagram of the present utility model;

[0017] Figure 2 is one of the partial structural schematic diagrams of the present utility model;

[0018] Figure 3 is the other partial structural schematic diagram of the present utility model;

[0019] The meanings of each label in the figure are as follows:

[0020] 1. Top main rod; 2. Top connecting rod; 3. Movable wheel; 4. Main vertical female rod; 5. Main vertical male rod; 6. Bottom connecting rod; 7. Bottom main female rod; 8. Bottom main male rod; 9. Stay rope; 10. Vertical connecting rod; 11. Movable wheel arm; 12. Power wheel; 13. Power support; 14. Fixed support; 15. Fixed support hole; 16. Braking hole; 17. Rocker arm; 18. Water tank. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] The present invention provides a movable auxiliary welding frame, as Figures 1 - 3 shown, which includes a support frame. The support frame includes two top main rods 1 and two top connecting rods 2. A water tank 18 is arranged at the top of the support frame. The bottoms of both ends of a top connecting rod 2 are installed with main vertical female rods 4. The main vertical male rod 5 is inserted at the bottom of the main vertical female rod 4. Movable wheels 3 are installed at the bottoms of both ends of the top main rod 1. The bottom main female rod 7 is installed on the side of the bottom end of the main vertical male rod 5. The bottom main male rod 8 is inserted at the outer end of the bottom main female rod 7. A stay rope 9 is connected between the outer end of the bottom main male rod 8 and the bottom end of the main vertical female rod 4. A movable wheel arm 11 is installed on one side of the main vertical female rod 4. A power wheel 12 is installed at the outer end of the movable wheel arm 11. This welding frame is based on the support frame and combines key components such as a water tank, movable wheels, main vertical female rods, main vertical male rods, bottom main female rods, bottom main male rods, and power wheels to form a stable and easy-to-operate working platform. In particular, the design of the movable wheels and power wheels enables the welding frame to move quickly on the bridge, greatly improving the flexibility of the working position. At the same time, the insertion design of the main vertical female rod and the main vertical male rod, and the bottom main female rod and the bottom main male rod not only ensure the structural strength of the welding frame but also facilitate the adjustment of height and width according to the working requirements. Generally speaking, this auxiliary welding frame has remarkable technical effects and provides an efficient and convenient solution for welding operations in bridge engineering.

[0023] In this embodiment, the two top main rods 1 are arranged in parallel. The two ends of the top main rod 1 are connected and fixed by the top connecting rod 2. The top main rod 1 and the top connecting rod 2 together form a rectangular frame structure, which is convenient for supporting the water tank 18.

[0024] Specifically, a number of through adjustment holes are provided on the outer wall of the main vertical female rod 4. A positioning hole is horizontally provided through the top end of the main vertical male rod 5. The adjustment hole of the main vertical female rod 4 and the positioning hole of the main vertical male rod 5 are connected by a pin shaft, which is convenient for adjusting the height of the main vertical female rod 4.

[0025] Furthermore, a plurality of through adjustment holes are provided on the outer wall of the bottom main female rod 7, and a positioning hole is horizontally penetrated at one end of the bottom main male rod 8. The adjustment holes of the bottom main female rod 7 and the positioning hole of the bottom main male rod 8 are connected by a pin shaft, which is convenient for adjusting the height of the bottom main female rod 7.

[0026] Furthermore, a vertical connecting rod 10 is connected between the bottom ends of the main vertical female rods 4, and a bottom connecting rod 6 is installed between the bottom ends of the main vertical male rods 5, which is convenient for connecting and fixing the main vertical female rods 4 and the main vertical male rods 5.

[0027] Furthermore, a drain pipe is provided on one side of the bottom of the water tank 18, and a valve is installed on the drain pipe, which is convenient for draining water.

[0028] Furthermore, a power support 13 is installed at the top of one end of the moving wheel arm 11, a fixed support 14 is installed on one side of the power support 13, the top end of the power support 13 is connected to the axis of the power wheel 12 through a rotating shaft, and a plurality of braking holes 16 are arranged at radial intervals with the axis as the center of the power wheel 12. A fixed support hole 15 is provided at the top end of the fixed support 14. When the power wheel 12 rotates, the fixed support hole 15 can coincide with different braking holes 16, and the power wheel 12 is limited by inserting a pin through the fixed support hole 15. The installation of the power support and the fixed support provides stable support for the power wheel and is connected to the axis of the power wheel through a rotating shaft, enabling the power wheel to rotate flexibly. In particular, the cooperation between the plurality of braking holes provided on the power wheel and the fixed support holes on the fixed support forms a clever limiting mechanism. When the power wheel rotates, the fixed support hole can coincide with different braking holes, and the power wheel can be effectively limited by inserting a pin. This design not only improves the moving flexibility of the welding frame but also ensures the stability and safety during the operation. Generally speaking, the design of the moving wheel arm brings significant technical effects to the auxiliary welding frame and further enhances its application value in bridge engineering.

[0029] Furthermore, a rocker arm 17 is installed on the outer wall of one side of the power wheel 12, which is convenient for manually operating the rotation of the power wheel 12.

[0030] When the movable auxiliary welding frame of the present utility model is in use, first, the initial state and preparation: the welding frame is in an unfolded state, and all components are tightly connected. Workers use a crane to lift the welding frame to a predetermined working position on the bridge. The moving wheels 3 are pressed on the side top surface of the steel box girder to provide preliminary stability for the welding frame.

[0031] Next, install the driving wheel arm 11 and the driving wheel 12 part, so that the driving wheel 12 is pressed against the side bottom surface of the steel box girder. According to the stability requirements of the operating platform, add an appropriate amount of water to the water tank 18 to adjust the center of gravity and stability of the welding frame. According to the operating space and required height, adjust the insertion position of the main vertical female rod 4 and the main vertical male rod 5, so as to adjust the height of the welding frame. At the same time, according to the required width of the operating platform, the insertion position of the bottom main female rod 7 and the bottom main male rod 8 can also be adjusted to adapt to different operating environments.

[0032] Next, the worker stands on the stable operating surface composed of the main vertical female rod 4, the main vertical male rod 5, the bottom main female rod 7 and the bottom main male rod 8 to perform welding operations. This operating surface is 20 - 50 cm above the ground, providing a comfortable and safe working environment for the worker. The stay rope 9 ensures the stability and firmness of the operating surface, enabling the worker to carry out welding work with confidence.

[0033] When the operation position needs to be transferred, the worker first removes the pins in the fixed support hole 15 and the brake hole 16 to release the limit on the driving wheel 12. Then, the worker manually shakes the rocker arm 17 to make the driving wheel 12 rotate on the side bottom surface of the steel box girder. Under the frictional force generated between the driving wheel 12 and the bottom surface of the steel box girder, the entire welding frame will move forward and backward accordingly, realizing a fast and stable transfer.

[0034] After the welding operation is completed, the worker opens the drain valve at the bottom of the water tank 18 to drain the water in the water tank, so as to reduce the weight of the welding frame and facilitate storage. At the same time, remove the driving wheel arm 11 and the driving wheel 12 part, so that the welding frame returns to a compact state. Finally, use a crane to lift the welding frame off the steel box girder and place it in a safe position for future use.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A movable auxiliary welding frame, comprising a support frame, characterized in that: The support frame comprises two top main rods (1) and two top connecting rods (2). A water tank (18) is arranged on the top of the support frame. Main vertical female rods (4) are installed at the bottom of both ends of one of the top connecting rods (2). A main vertical male rod (5) is inserted at the bottom of the main vertical female rod (4). Moving wheels (3) are installed at the bottom of both ends of the top main rod (1). A bottom main female rod (7) is installed on the side of the bottom end of the main vertical male rod (5). A bottom main male rod (8) is inserted at the outer end of the bottom main female rod (7). An oblique stay rope (9) is connected between the outer end of the bottom main male rod (8) and the bottom end of the main vertical female rod (4). A driving wheel arm (11) is installed on one side of the main vertical female rod (4). A power wheel (12) is installed at the outer end of the driving wheel arm (11).

2. The movable auxiliary welding frame according to claim 1, characterized in that: The two top main rods (1) are arranged in parallel, and the two ends of the top main rods (1) are connected and fixed by top connecting rods (2). The top main rods (1) and the top connecting rods (2) together form a rectangular frame structure.

3. The movable auxiliary welding frame according to claim 1 is characterized in that: The outer wall of the main vertical female rod (4) is provided with a plurality of through adjustment holes, the top end of the main vertical male rod (5) is provided with a positioning hole through it horizontally, and the adjustment hole of the main vertical female rod (4) is connected with the positioning hole of the main vertical male rod (5) via a pin shaft.

4. The movable auxiliary welding frame according to claim 1 is characterized in that: The outer wall of the bottom master rod (7) is provided with a plurality of through adjustment holes, one end of the bottom master rod (8) is provided with a positioning hole through it horizontally, and the adjustment hole of the bottom master rod (7) is connected with the positioning hole of the bottom master rod (8) via a pin shaft.

5. The movable auxiliary welding frame according to claim 1 is characterized in that: A vertical connecting rod (10) is connected between the bottom ends of the main vertical female rods (4), and a bottom connecting rod (6) is installed between the bottom ends of the main vertical male rods (5).

6. The movable auxiliary welding frame according to claim 1, characterized in that: A drainage pipe is arranged on one side of the bottom of the water tank (18), and a valve is installed on the drainage pipe.

7. The movable auxiliary welding frame according to claim 1 is characterized in that: A power support (13) is installed at the top of one end of the driving wheel arm (11), and a fixed support (14) is installed on one side of the power support (13). The top end of the power support (13) is connected to the axis of the power wheel (12) through a rotating shaft. The power wheel (12) is evenly provided with a plurality of brake holes (16) radially around the axis. The top end of the fixed support (14) is provided with a fixed support hole (15). When the power wheel (12) rotates, the fixed support hole (15) can overlap with different brake holes (16), and the power wheel (12) is limited by a pin passing through the fixed support hole (15).

8. The movable auxiliary welding frame according to claim 7, characterized in that: A rocker arm (17) is installed on one side outer wall of the power wheel (12).