Automatic positioning device for internal welding of U-shaped rib of steel box girder

Abstract

The utility model provides an automatic positioning device for steel box girder U rib inside welding, and relates to the field of steel box girder U rib inside welding, the automatic positioning device for steel box girder U rib inside welding comprises a supporting frame, a supporting assembly is installed on the bottom surface of the supporting frame, connecting assemblies are installed at the two ends of the supporting frame, and a moving assembly is installed inside the supporting frame. And a steering assembly is mounted on the upper surface of the moving assembly. According to the device, the automatic welding machine is installed above the moving assembly, the automatic welding machine moves in the supporting frame through the moving assembly, so that the automatic welding machine enters the installed U-shaped rib of the steel box girder to be positioned, and the inner wall of the U-shaped rib of the steel box girder is welded through the automatic welding machine in the welding assembly under the cooperation of the steering assembly; therefore, through the device, the welding assembly can be used for welding the inner wall of the U-shaped rib of the steel box girder, and the problem that a welding machine cannot be positioned at the welding position due to the fact that the welding position of an existing device is shielded is solved.

Description

Technical Field

[0001] This utility model relates to the field of U-rib internal welding of steel box girders, specifically an automatic positioning device for U-rib internal welding of steel box girders. Background Technology

[0002] U-rib internal welding of steel box girders is a welding technique mainly used to fix U-ribs between the two side panels of a steel box girder. U-ribs are often used to enhance the load-bearing capacity and stability of steel bridges, especially in orthotropic plate structures, where U-ribs can provide additional support and stiffness.

[0003] The patent with publication number CN219805593U discloses a technical solution for “a positioning device for welding U-ribs of steel box girders, including an inverted U-shaped gantry frame, the bottom ends of the two side plates of the gantry frame are fixed to the steel box girder plate by electromagnets respectively, and a pressing mechanism is provided on the upper side plate of the gantry frame”. This solution achieves the technical effect of “simple structure, convenient operation, and can achieve close contact between the two ends of the U-rib and the steel box girder plate, which is conducive to subsequent welding and fixing”.

[0004] However, during the installation of steel box girder U-ribs, the opening is usually welded to the installation position. As a result, after welding, the inside of the steel box girder U-rib is blocked, making it difficult for the welding machine to be positioned at the welding position, thus making welding difficult. To solve this problem, we propose an automatic positioning device for internal welding of steel box girder U-ribs. Utility Model Content

[0005] The purpose of this utility model is to provide an automatic positioning device for the inner welding of U-ribs in steel box girders, so as to solve the problems mentioned in the background art and overcome its technical defects.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: an automatic positioning device for U-rib internal welding of steel box girder, including a support frame, a support component installed on the bottom surface of the support frame, a connecting component installed at both ends of the support frame, a moving component installed inside the support frame, a steering component installed on the upper surface of the moving component, a welding component installed on the upper surface of the steering component, and a monitoring component installed at one end of the welding component.

[0007] As a further embodiment of this utility model: the moving component includes a moving frame and two toothed plates. The moving frame is located inside the support frame, and the two toothed plates are located on the inner bottom wall of the support frame. Two first bearings are embedded in the inner wall of the moving frame. A connecting rod is installed on the inner ring of the two first bearings. A first gear is installed at both ends of the connecting rod. The two first gears mesh with the toothed plates respectively. A second gear is installed on the outer surface of the connecting rod. A micro motor is installed inside the moving frame. A third gear is installed at the output end of the micro motor. The second gear meshes with the third gear.

[0008] As a further embodiment of this utility model: the steering assembly includes a second bearing, the second bearing is located on the upper surface of the moving frame, a connecting shaft is installed on the inner ring of the second bearing, a drive motor is installed at the bottom end of the connecting shaft, and a rotating plate is installed at the top end of the connecting shaft.

[0009] As a further embodiment of this utility model: the welding assembly includes an automatic welding machine, which is located on the upper surface of the rotating plate, and a welding rod is installed at one end of the automatic welding machine.

[0010] As a further embodiment of this invention: the monitoring component includes a monitoring camera, which is located on the outer surface of the welding component, and the monitoring camera is connected to the display via a wire.

[0011] As a further improvement of this utility model: the inner wall of the support frame has two sliding grooves, and the outer surface of the movable frame is equipped with two sliders, each of the sliding grooves being adapted to the slider.

[0012] As a further embodiment of this utility model: both of the connecting components include connecting plates, the two connecting plates are respectively located at both ends of the support frame, and the outer surface of both connecting plates has two connecting threaded holes.

[0013] As a further embodiment of this utility model: the support component includes a support block, the support block is located on the bottom surface of the support frame, and a wear-resistant pad is attached to the bottom surface of the support block.

[0014] Compared with the prior art, the beneficial effects of this utility model include:

[0015] This utility model discloses an automatic positioning device for welding the inner wall of a steel box girder U-rib. By installing an automatic welding machine above a moving component, the automatic welding machine can move within a support frame via the moving component, thereby entering and positioning itself inside the installed steel box girder U-rib. The automatic welding machine within the welding component, in cooperation with a steering component, welds the inner wall of the steel box girder U-rib. Therefore, this device enables the welding component to weld the inner wall of the steel box girder U-rib, thus solving the problem in existing devices where the welding position is obstructed, preventing the welding machine from being positioned correctly. Attached Figure Description

[0016] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0017] Figure 1 The schematic diagram shows a three-dimensional structural diagram according to one embodiment of the present invention;

[0018] Figure 2 The schematic diagram shows a top-section structural diagram according to one embodiment of the present invention;

[0019] Figure 3 The schematic diagram shows a side sectional view of the steering assembly according to one embodiment of the present invention.

[0020] Figure 4 The schematic diagram shows a side view of a structure according to one embodiment of the present invention;

[0021] The following components are labeled in the diagram: 1. Support frame; 2. Connecting component; 3. Supporting component; 4. Welding component; 5. Monitoring component; 6. Moving component; 7. Steering component; 8. Micro motor; 9. Third gear; 10. First gear; 11. Tooth plate; 12. Moving frame; 13. Second gear; 14. First bearing; 15. Automatic welding machine; 16. Monitoring camera; 17. Welding rod; 18. Second bearing; 19. Rotating plate; 20. Connecting shaft; 21. Support block; 22. Wear-resistant pad; 23. Connecting threaded hole; 24. Connecting plate; 25. Slide groove; 26. Drive motor; 27. Slider; 28. Connecting rod. Detailed Implementation

[0022] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0023] According to one embodiment of the present invention, in conjunction with the appendix Figure 1-4 As shown.

[0024] An automatic positioning device for internal welding of U-ribs in steel box girders includes a support frame 1, a support component 3 installed on the bottom surface of the support frame 1, a connecting component 2 installed at both ends of the support frame 1, a moving component 6 installed inside the support frame 1, a steering component 7 installed on the upper surface of the moving component 6, a welding component 4 installed on the upper surface of the steering component 7, and a monitoring component 5 installed at one end of the welding component 4. By installing an automatic welding machine 15 above the moving component 6, the automatic welding machine 15 can move within the support frame 1 via the moving component 6, thereby entering the U-rib of the installed steel box girder for positioning, and welding the inner wall of the U-rib of the steel box girder with the cooperation of the steering component 7 via the automatic welding machine 15 in the welding component 4.

[0025] In this embodiment, the moving component 6 includes a moving frame 12 and two toothed plates 11. The moving frame 12 is located inside the support frame 1, and the two toothed plates 11 are located on the inner bottom wall of the support frame 1. The inner wall of the moving frame 12 is inlaid with two first bearings 14. The inner rings of the two first bearings 14 are jointly mounted with a connecting rod 28. Both ends of the connecting rod 28 are mounted with first gears 10. The two first gears 10 mesh with the toothed plates 11 respectively. The outer surface of the connecting rod 28 is mounted with a second gear 13. The moving frame 12 is equipped with a micro motor 8. The output end of the micro motor 8 is mounted with a third gear 9. The second gear 13 meshes with the third gear 9. By the meshing of the two first gears 10 with the two toothed plates 11, the moving component 6 can move left and right. The micro motor 8 is a small electric motor with an output power usually below several hundred watts.

[0026] In this embodiment, the steering assembly 7 includes a second bearing 18, which is located on the upper surface of the movable frame 12. A connecting shaft 20 is installed on the inner ring of the second bearing 18. A drive motor 26 is installed at the bottom end of the connecting shaft 20, and a rotating plate 19 is installed at the top end of the connecting shaft 20. Through the drive motor 26, the connecting shaft 20 can be rotated under the action of the bearing, thereby driving the welding assembly 4 at the top end of the connecting shaft 20 to rotate.

[0027] In this embodiment, the welding assembly 4 includes an automatic welding machine 15, which is located on the upper surface of the rotating plate 19. A welding rod 17 is installed at one end of the automatic welding machine 15. The automatic welding machine 15 is an automated device based on modern control technology, mainly used to complete welding tasks efficiently and accurately. It realizes the control of workpiece loading, unloading, clamping and welding process through an automated system, which significantly improves production efficiency and welding quality.

[0028] In this embodiment, the monitoring component 5 includes a monitoring camera 16, which is located on the outer surface of the welding component 4. The monitoring camera 16 is connected to the display via a wire. With the cooperation of the monitoring camera 16 and the display, the welding process can be easily observed, errors can be detected in time, and the quality of welding can be guaranteed.

[0029] In this embodiment, two sliding grooves 25 are provided on the inner wall of the support frame 1, and two sliders 27 are installed on the outer surface of the moving frame 12. Each sliding groove 25 is adapted to the slider 27. Under the mutual sliding action of the sliding groove 25 and the slider 27, the moving frame 12 can move more stably.

[0030] In this embodiment, both connecting components 2 include connecting plates 24, which are located at both ends of the support frame 1. The outer surfaces of both connecting plates 24 have two connecting threaded holes 23. Through the connecting components 2, the two support frames 1 can be easily spliced ​​together, increasing the moving distance of the device and enabling the device to be applicable to steel box girder U-ribs of different lengths.

[0031] In this embodiment, the support component 3 includes a support block 21, which is located on the bottom surface of the support frame 1. A wear-resistant pad 22 is attached to the bottom surface of the support block 21, which increases the support force of the support frame 1 and prevents the device from bending.

[0032] Working principle: An automatic positioning device for welding the inner wall of a steel box girder U-rib. In use, firstly, according to the length of the steel box girder U-rib to be welded, an appropriate number of support frames 1 are selected, and multiple support frames 1 are connected by multiple sets of connecting components 2. Next, the support frames 1 are inserted into the steel box girder U-rib, and the position of the support frames 1 is adjusted. Then, the steering component 7 in the welding device is placed inside the support frame 1, and the micro motor 8 in the steering component 7 is started to drive the welding component 4 to move to the welding position. Then, the welding component 4 is started to weld the inner wall of the steel box girder U-rib. At the same time, the welding position can be observed through the monitoring component 5. Finally, after the welding is completed, the device is taken out.

[0033] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. An automatic positioning device for the inner welding of U-ribs in steel box girders, characterized in that, The support frame (1) is provided with a support component (3) installed on its bottom surface. Both ends of the support frame (1) are provided with connecting components (2). The support frame (1) is provided with a moving component (6) installed inside its interior. The moving component (6) is provided with a steering component (7) installed on its upper surface. The steering component (7) is provided with a welding component (4) installed on its upper surface. One end of the welding component (4) is provided with a monitoring component (5).

2. The automatic positioning device for the inner welding of U-ribs in steel box girders according to claim 1, characterized in that, The moving component (6) includes a moving frame (12) and two toothed plates (11). The moving frame (12) is located inside the support frame (1). The two toothed plates (11) are located on the inner bottom wall of the support frame (1). The inner wall of the moving frame (12) is inlaid with two first bearings (14). The inner rings of the two first bearings (14) are connected by a connecting rod (28). The two ends of the connecting rod (28) are each equipped with a first gear (10). The two first gears (10) mesh with the toothed plates (11) respectively. The outer surface of the connecting rod (28) is equipped with a second gear (13). The moving frame (12) is equipped with a micro motor (8). The output end of the micro motor (8) is equipped with a third gear (9). The second gear (13) meshes with the third gear (9).

3. The automatic positioning device for the inner welding of U-ribs in steel box girders according to claim 1, characterized in that, The steering assembly (7) includes a second bearing (18) located on the upper surface of the moving frame (12). A connecting shaft (20) is mounted on the inner ring of the second bearing (18). A drive motor (26) is mounted on the bottom end of the connecting shaft (20), and a rotating plate (19) is mounted on the top end of the connecting shaft (20).

4. The automatic positioning device for internal welding of U-ribs in steel box girders according to claim 1, characterized in that, The welding assembly (4) includes an automatic welding machine (15) located on the upper surface of the rotating plate (19), and a welding rod (17) is installed at one end of the automatic welding machine (15).

5. The automatic positioning device for the inner welding of U-ribs in steel box girders according to claim 1, characterized in that, The monitoring component (5) includes a monitoring camera (16), which is located on the outer surface of the welding component (4) and is connected to the display via a wire.

6. The automatic positioning device for the inner welding of U-ribs in steel box girders according to claim 2, characterized in that, The inner wall of the support frame (1) has two grooves (25), and the outer surface of the movable frame (12) is equipped with two sliders (27). Each groove (25) is adapted to the slider (27).

7. The automatic positioning device for the inner welding of U-ribs in steel box girders according to claim 2, characterized in that, Both of the connecting components (2) include connecting plates (24), which are located at both ends of the support frame (1), and two connecting threaded holes (23) are opened on the outer surface of each of the two connecting plates (24).

8. The automatic positioning device for the inner welding of U-ribs in steel box girders according to claim 1, characterized in that, The support component (3) includes a support block (21), which is located on the bottom surface of the support frame (1), and a wear-resistant pad (22) is attached to the bottom surface of the support block (21).

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