Efficient welding device for steel structure

Abstract

The utility model relates to the technical field of efficient welding, and discloses a steel structure efficient welding device which comprises a bottom plate, a supporting table is arranged at the top end of the bottom plate, supporting plates are fixedly connected to the left side and the right side of the top of the bottom plate, and the top ends of the two supporting plates are fixedly connected with the bottom end of the supporting table. A vertical plate is fixedly connected to the middle of the rear end of the bottom plate, a transverse plate is fixedly connected to the top of the front end of the vertical plate, a first welding head is arranged at the bottom end of the transverse plate, arc-shaped grooves are formed in the middle left end and the middle right end of the supporting table correspondingly, and clamping assemblies are arranged on the middle left portion and the middle right portion of the supporting table correspondingly. According to the welding device, the effect of welding steel with the two welding faces attached to form an acute angle or an obtuse angle is achieved through the clamping assembly, the driving assembly and the linkage assembly, the tops and the bottoms of the welding faces can be stably welded through the first welding head, the second welding head and the supporting assembly, and the situation that cracks occur during overturning is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of high-efficiency welding, in particular to a high-efficiency welding device for steel structures. Background Art

[0002] In the context of transformation and upgrading of the manufacturing industry, enterprises have increasingly higher requirements for production efficiency, product quality and cost control. As an important part of the manufacturing industry, the welding quality and efficiency of steel structures directly affect the competitiveness of products.

[0003] According to the design requirements of the steel structure and the welding process specifications, technicians use programming software to set the welding path and welding parameters for the welding device. These instructions are input into the control system of the welding device. The control system precisely controls the movement of the welding head through the drive motor and transmission mechanism, thereby achieving welding between steels.

[0004] However, the steels to be welded are not necessarily parallel or perpendicular to each other, and some existing welding devices can only weld parallel or perpendicular steels, which has low practicality. In addition, they can only weld one side of the steel welding part. When the steel is flipped, cracks will appear in the welding part, affecting the quality of welding. Therefore, an efficient steel structure welding device is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an efficient steel structure welding device, which aims to improve the problems in the existing technology that it cannot adapt to the welding of steel materials with acute or obtuse angles formed by two welding surfaces, and can only weld one of the surfaces.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a high-efficiency welding device for steel structure, comprising a base plate, a support platform is provided at the top of the base plate, support plates are fixedly connected to the left and right sides of the top of the base plate, the tops of the two support plates are fixedly connected to the bottom ends of the support platforms, a vertical plate is fixedly connected to the middle of the rear end of the base plate, a horizontal plate is fixedly connected to the top of the front end of the vertical plate, a welding head is provided at the bottom end of the horizontal plate, an arc groove is provided at the middle left end and the middle right end of the support platform, a clamping assembly is provided at the middle left part and the middle right part of the support platform, and the two clamping assemblies are used to clamp the steel to be welded. A support assembly is provided in the middle of the top of the support platform, and the support assembly is used to support the welding of the top of the weld formed between the steel materials. A connecting plate 1 is provided at a distance in the middle of the bottom end of the support platform, and the left and right sides of the top of the connecting plate 1 are fixedly connected to the connecting plate 2, and the tops of the two connecting plates 2 are fixedly connected to the bottom end of the support platform, and the top of the connecting plate 1 is provided with a welding head 2, and the bottom end of the connecting plate 1 is provided with a linkage assembly, and the bottom end of the support platform is provided with a driving assembly at the rear end of the connecting plate 1, and the driving assembly is used to drive the linkage assembly to rotate, and the linkage assembly is used to drive the clamping assembly connected thereto to rotate.

[0007] As a further description of the above technical solution: the two clamping assemblies are symmetrical, the clamping assembly on the left side includes a placing plate, the bottom of the placing plate is fitted with the top of the support table, the top left side of the placing plate is fixedly connected to a side plate, the middle part of the top of the placing plate is slidably connected to a movable plate, and three electric push rods 2 are fixedly connected to the right side of the side plate at equal distances, and the output ends of the three electric push rods 2 are fixedly connected to the left end of the movable plate, the front and rear sides of the top of the movable plate are fixedly connected to the limiting plate, the front end of the front limiting plate is fixedly connected to the motor 2, the output end of the motor 2 is fixedly connected to a bidirectional screw rod, the outer front and rear sides of the bidirectional screw rod are threadedly connected to a splint, the bottom ends of the two splints are slidably connected to the movable plate, the middle part of the bottom end of the placing plate is fixedly connected to a slider, and the bottom end of the slider is fixedly connected to a connecting column.

[0008] As a further description of the above technical solution: the sliding blocks are all slidably connected to the arc-shaped grooves on the same side, and the connecting columns are all located at the bottom end of the support platform.

[0009] As a further description of the above technical solution: the support assembly includes a through frame, the bottom of the through frame is fixedly connected to the top of the support platform, the right front end and the left rear side of the through frame are fixedly connected to electric telescopic rods, the output ends of the two electric telescopic rods are fixedly connected to sliding blocks, the sliding blocks are slidably connected to the through frame, the ends of the sliding blocks that are away from each other are fixedly connected to fixed plate 1, the ends of the fixed plate 1 that are away from each other are fixedly connected to fixed plate 2, and the opposite ends of the fixed plate 2 are fixedly connected to support plates.

[0010] As a further description of the above technical solution: the two support plates are both slidably connected to the top of the through frame, the top of the support plate and the top of the through frame are located on the same horizontal line, the opposite sides of the support plates are fitted together, the distance between the two connecting plates is consistent with the inner length of the through frame, and the middle part of the top of the support platform is hollowed out.

[0011] As a further description of the above technical solution: the linkage assembly includes a rotating tube and a rotating shaft, the rotating tube and the rotating shaft are both rotatably connected to the bottom end of the connecting plate one, the bottom end of the rotating shaft is rotatably connected to the top of the bottom plate, the rotating tube is on the outside of the rotating shaft, the outer bottom end of the rotating tube is fixedly connected to gear two, the outer side of the rotating shaft is fixedly connected to gear three at the bottom end of the rotating tube, the outer right end of the rotating tube is fixedly connected to a connecting rod at the top end of gear two, the outer left end of the rotating shaft is fixedly connected to a connecting rod at the bottom end of gear three, and the ends of the two connecting rods are respectively fixedly connected to the connecting columns on the same side.

[0012] As a further description of the above technical solution: the driving component includes an electric push rod 1, the input end of the electric push rod 1 is fixedly connected to the bottom of the support platform, the output end of the electric push rod 1 is fixedly connected to a connecting block, the front end of the connecting block is fixedly connected to a semi-I-shaped plate, the inner top of the semi-I-shaped plate is fixedly connected to motor 1, the output end of the motor 1 is fixedly connected to a rotating shaft, and the outer side of the rotating shaft is fixedly connected to gear 1.

[0013] As a further description of the above technical solution: the bottom end of the rotating shaft is rotatably connected to the inner bottom end of the semi-I-shaped plate, and the outer sides of the gear one are respectively meshed and connected with the gear two and the gear three.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, starting motor 2 rotates the bidirectional screw rod to drive the clamping plate to clamp the steel, and then starting electric push rod 1 according to the welding surface of the two steels to drive the semi-I-shaped plate to move up and down, select the steel that needs to adjust the angle, so that gear 1 is meshed with gear 2 or gear 3, starting motor 1 drives gear 1 to rotate, so that gear 2 or gear 3 meshing with it rotates in the opposite direction of gear 1, thereby driving the position of the connecting column fixed to it to change through the connecting rod on the same side, and changing the angle of the corresponding placement plate, thereby changing the angle of the corresponding steel, achieving the effect of welding steels with two welding surfaces forming an acute angle or an obtuse angle, and improving the practicality of the device.

[0016] 2. In the present invention, the top of the weld formed by the steel is welded by a pair of welding heads. After the welding is completed, the electric telescopic rod is started at the same time to make the opposite side of the support plate and the inner side of the through frame on the same horizontal line. Then, the bottom of the weld formed by the steel is welded by a second pair of welding heads to prevent only one side from being unstable and reduce the occurrence of cracks when flipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional schematic diagram of the high-efficiency welding device for steel structures proposed in the utility model;

[0018] Figure 2 This is a rear view of the high-efficiency welding device for steel structures proposed by the utility model;

[0019] Figure 3 This is a structural diagram of the clamping assembly and linkage assembly of the high-efficiency welding device for steel structures proposed in the utility model;

[0020] Figure 4 This is a left view of the drive assembly of the high-efficiency steel structure welding device proposed in the utility model;

[0021] Figure 5 This is a top right view of the support assembly of the high-efficiency steel structure welding device proposed in the utility model.

[0022] Legend:

[0023] 1. Bottom plate; 2. Support table; 3. Support plate; 4. Vertical plate; 5. Horizontal plate; 6. Welding head 1; 7. Connecting plate 1; 8. Connecting plate 2; 9. Welding head 2; 10. Through frame; 11. Electric telescopic rod; 12. Sliding block; 13. Fixed plate 1; 14. Fixed plate 2; 15. Support plate; 16. Electric push rod 1; 17. Connecting block; 18. Semi-I-shaped plate; 19. Motor 1; 20. Rotating shaft; 21. Gear 1; 22. Arc groove; 23. Placement plate; 24. Moving plate; 25. Side plate; 26. Electric push rod 2; 27. Limiting plate; 28. Motor 2; 29. ​​Bidirectional screw; 30. Clamping plate; 31. Sliding block; 32. Connecting column; 33. Rotating tube; 34. Gear 2; 35. Rotating shaft; 36. Gear 3; 37. Connecting rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a high-efficiency welding device for steel structures, comprising a base plate 1, a support platform 2 is provided at the top of the base plate 1, support plates 3 are fixedly connected to the left and right sides of the top of the base plate 1, the tops of the two support plates 3 are fixedly connected to the bottom ends of the support platforms 2, a vertical plate 4 is fixedly connected to the middle of the rear end of the base plate 1, a horizontal plate 5 is fixedly connected to the top of the front end of the vertical plate 4, a welding head 6 is provided at the bottom end of the horizontal plate 5, an arc groove 22 is provided at the middle left end and the middle right end of the support platform 2, a clamping assembly is provided at the middle left part and the middle right part of the support platform 2, and the two clamping assemblies are used to clamp the steel to be welded, and the support A support assembly is provided in the middle of the top of the platform 2, and the support assembly is used to support the welding of the top of the weld formed between the steel materials. A connecting plate 7 is provided at a distance in the middle of the bottom end of the support platform 2. The left and right sides of the top of the connecting plate 7 are fixedly connected with connecting plates 2 8. The tops of the two connecting plates 2 8 are fixedly connected to the bottom end of the support platform 2. A welding head 2 9 is provided at the top of the connecting plate 7, and a linkage assembly is provided at the bottom end of the connecting plate 7. A driving assembly is provided at the rear end of the connecting plate 7 at the bottom end of the support platform 2. The driving assembly is used to drive the linkage assembly to rotate, and the linkage assembly is used to drive the clamping assembly connected thereto to rotate.

[0026] The two steels to be welded together are clamped respectively by two clamping assemblies, with the welding end facing the middle direction of the support platform 2, and then the position of the steel on the corresponding clamping assembly is changed by cooperating with the driving assembly and the linkage assembly as needed, so that the welding surfaces of the two steels are parallel, and then the clamping assembly is used to make the welding surface fit and located on the top of the support assembly, and the top of the welding surface is welded by the welding head 1 6. After the top welding is completed, the bottom of the welding surface is welded by the welding head 2 9, and then the welded steels are flipped over to weld the other two sides to prevent only one side from being unstable and reduce the occurrence of cracks during flipping.

[0027] Reference Figure 1 、 Figure 2 and Figure 3The two clamping assemblies are symmetrical. The left clamping assembly includes a placing plate 23, the bottom of the placing plate 23 is fitted with the top of the support platform 2, the left side of the top of the placing plate 23 is fixedly connected to a side plate 25, the middle of the top of the placing plate 23 is slidably connected to the moving plate 24, and the right side of the side plate 25 is equidistantly fixedly connected to three electric push rods 26. The output ends of the three electric push rods 26 are all fixedly connected to the left end of the moving plate 24 at the front and rear ends of the top of the moving plate 24. The front end of the front limit plate 27 is fixedly connected to the motor 28, and the output end of the motor 28 is fixedly connected to the bidirectional screw rod 29. The outer front and rear ends of the bidirectional screw rod 29 are threadedly connected to the clamping plate 30. The bottom ends of the two clamping plates 30 are slidably connected to the moving plate 24, and the middle of the bottom end of the placing plate 23 is fixedly connected to a slider 31. The bottom end of the slider 31 is fixedly connected to a connecting column 32. The sliders 31 are all slidably connected to the arc groove 22 on the same side, and the connecting columns 32 are all located at the bottom end of the support platform 2.

[0028] When the slider 31 slides in the arc groove 22 on the same side, the angle of the placement plate 23 can be changed. The electric push rod 26 can drive the movable plate 24 to slide left and right on the top of the placement plate 23 on the same side. The starting motor 28 can drive the bidirectional screw rod 29 to rotate, thereby driving the two clamping plates 30 to move in opposite directions. When the two clamping plates 30 move toward the center of the movable plate 24, they can clamp the steel.

[0029] Reference Figure 1 、 Figure 2 and Figure 5 The support assembly includes a through frame 10, the bottom of the through frame 10 is fixedly connected to the top of the support platform 2, and the right front end and the left rear side of the through frame 10 are fixedly connected to an electric telescopic rod 11, and the output ends of the two electric telescopic rods 11 are fixedly connected to a sliding block 12, and the sliding blocks 12 are slidably connected to the through frame 10, and the ends away from the sliding blocks 12 are fixedly connected to a fixed plate 13, and the ends away from the fixed plate 13 are fixedly connected to a fixed plate 2 14, and the opposite ends of the fixed plate 2 14 are fixedly connected to a support plate 15, and the two support plates 15 are slidably connected to the top of the through frame 10, and the top of the support plate 15 is on the same horizontal line as the top of the through frame 10, and the opposite side of the support plate 15 is fitted, and the distance between the two connecting plates 2 8 is consistent with the inner length of the through frame 10, and the middle part of the top of the support platform 2 is hollow.

[0030] When the two support plates 15 are fitted together, the connection between the two steel materials can be supported to prevent displacement when the welding head 16 is welded to the top. When the electric telescopic rod 11 is extended, the sliding block 12, fixed plate 13, fixed plate 2 14 and support plate 15 fixed thereto are driven to move until the opposite side of the support plate 15 is respectively on the same horizontal line with the front and rear sides of the inner side of the through frame 10, and the top of the movable plate 24, the through frame 10 and the support plate 15 are all on the same horizontal line, so that the steel material can be supported when welding the bottom.

[0031] Reference Figure 3 The linkage assembly includes a rotating tube 33 and a rotating shaft 35. The rotating tube 33 and the rotating shaft 35 are both rotatably connected to the bottom end of the connecting plate 7. The bottom end of the rotating shaft 35 is rotatably connected to the top of the bottom plate 1. The rotating tube 33 is on the outside of the rotating shaft 35. The outer bottom end of the rotating tube 33 is fixedly connected to a gear 2 34. The outer side of the rotating shaft 35 is fixedly connected to a gear 3 36 at the bottom end of the rotating tube 33. The outer right end of the rotating tube 33 is fixedly connected to a connecting rod 37 at the top of the gear 2 34. The outer left end of the rotating shaft 35 is fixedly connected to a connecting rod 37 at the bottom end of the gear 3 36. The ends of the two connecting rods 37 are respectively fixedly connected to the connecting columns 32 on the same side.

[0032] When the rotating tube 33 and gear 2 34 rotate, the upper connecting rod 37 is driven to rotate, thereby changing the position of the right connecting column 32. When the rotating shaft 35 and gear 3 36 rotate, the lower connecting rod 37 is driven to rotate, thereby changing the position of the left connecting column 32.

[0033] Reference Figure 1 Figure 3 and Figure 4 The driving assembly includes an electric push rod 16, the input end of the electric push rod 16 is fixedly connected to the bottom of the support platform 2, the output end of the electric push rod 16 is fixedly connected to a connecting block 17, the front end of the connecting block 17 is fixedly connected to a semi-I-shaped plate 18, the inner top of the semi-I-shaped plate 18 is fixedly connected to a motor 19, the output end of the motor 19 is fixedly connected to a rotating shaft 20, the outer side of the rotating shaft 20 is fixedly connected to a gear 1 21, the bottom end of the rotating shaft 20 is rotatably connected to the inner bottom end of the semi-I-shaped plate 18, and the outer sides of the gear 1 21 are respectively meshed with gear 2 34 and gear 3 36.

[0034] By starting the electric push rod 16, the connecting block 17 and the semi-I-shaped plate 18 can be driven to move up and down. When the gear 1 21 is engaged with the gear 2 34, the starting motor 19 drives the gear 1 21 to rotate, which will cause the gear 2 34 to rotate in the opposite direction, and the gear 2 34 drives the rotating tube 33 to rotate synchronously. When the gear 1 21 is engaged with the gear 3 36, the starting motor 19 drives the gear 1 21 to rotate, which will cause the gear 3 36 to rotate in the opposite direction, and the gear 3 36 drives the rotating shaft 35 to rotate synchronously.

[0035] Working principle: First, place the two steels to be welded on the top of the corresponding movable plate 24, then start the motor 28 to rotate the bidirectional screw 29 to drive the clamping plate 30 to clamp the steel, and then according to the welding surface of the two steels, start the electric push rod 16 to drive the semi-I-shaped plate 18 to move up and down, select the steel that needs to adjust the angle, make the gear 1 21 mesh with the gear 2 34 or the gear 3 36, start the motor 19 to drive the gear 1 21 to rotate, so that the meshing gear 2 34 or gear 3 36 rotates in the opposite direction to the gear 1 21, thereby driving the connecting rod 37 on the same side. The position of the connecting column 32 fixed thereto is changed, and the angle of the corresponding placement plate 23 is changed, thereby changing the angle of the corresponding steel. The electric push rod 26 is started to send the steel toward the center of the through frame 10, so that the welding surfaces of the two steels are fitted together, and the bottom of the steel is fitted together with the top of the support plate 15. The top of the weld formed by the steel is welded by the welding head 6. After the welding is completed, the electric telescopic rod 11 is started at the same time, so that the opposite side of the support plate 15 is located on the same horizontal line as the inner side of the through frame 10, and then the bottom of the weld formed by the steel is welded by the welding head 2 9.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-efficiency welding device for steel structures, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is provided with a support platform (2), and the left and right sides of the top of the bottom plate (1) are fixedly connected with support plates (3), and the tops of the two support plates (3) are fixedly connected to the bottom end of the support platform (2). The middle of the rear end of the bottom plate (1) is fixedly connected with a vertical plate (4), and the top of the front end of the vertical plate (4) is fixedly connected with a horizontal plate (5), and the bottom end of the horizontal plate (5) is provided with a welding head (6). The middle left end and the middle right end of the support platform (2) are both provided with an arc groove (22), and the middle left part and the middle right part of the support platform (2) are both provided with a clamping assembly, and the two clamping assemblies are used to clamp the steel to be welded. The middle of the top of the support platform (2) is provided with a vertical plate (4). There is a support assembly, which is used to support the welding of the top of the weld formed between the steel materials. A connecting plate 1 (7) is provided at a distance in the middle of the bottom end of the support platform (2). The left and right sides of the top of the connecting plate 1 (7) are fixedly connected to the connecting plate 2 (8). The tops of the two connecting plates 2 (8) are fixedly connected to the bottom end of the support platform (2). The top of the connecting plate 1 (7) is provided with a welding head 2 (9). The bottom end of the connecting plate 1 (7) is provided with a linkage assembly. The bottom end of the support platform (2) is provided with a driving assembly at the rear end of the connecting plate 1 (7). The driving assembly is used to drive the linkage assembly to rotate, and the linkage assembly is used to drive the clamping assembly connected thereto to rotate.

2. The high-efficiency steel structure welding device according to claim 1, characterized in that: The two clamping assemblies are symmetrical, and the clamping assembly on the left side includes a placement plate (23), the bottom of the placement plate (23) is in contact with the top of the support platform (2), the left side of the top of the placement plate (23) is fixedly connected to a side plate (25), the middle of the top of the placement plate (23) is slidably connected to a moving plate (24), and three electric push rods (26) are fixedly connected to the right side of the side plate (25) at equal distances, and the output ends of the three electric push rods (26) are fixedly connected to the left end of the moving plate (24). The moving plate (2 4) are fixedly connected to limit plates (27) on both the front and rear sides of the top, the front end of the limit plate (27) on the front side is fixedly connected to motor 2 (28), the output end of motor 2 (28) is fixedly connected to a bidirectional screw rod (29), the outer front and rear sides of the bidirectional screw rod (29) are threadedly connected to clamps (30), the bottom ends of the two clamps (30) are slidably connected to the moving plate (24), the middle part of the bottom end of the placement plate (23) is fixedly connected to a slider (31), and the bottom end of the slider (31) is fixedly connected to a connecting column (32).

3. The high-efficiency steel structure welding device according to claim 2, characterized in that: The sliding blocks (31) are all slidably connected to the arc-shaped grooves (22) on the same side, and the connecting columns (32) are all located at the bottom end of the support platform (2).

4. The high-efficiency steel structure welding device according to claim 1, characterized in that: The support assembly comprises a through frame (10), the bottom of the through frame (10) is fixedly connected to the top of the support platform (2), the right front end and the left rear side of the through frame (10) are fixedly connected to electric telescopic rods (11), the output ends of the two electric telescopic rods (11) are fixedly connected to sliding blocks (12), the sliding blocks (12) are slidably connected to the through frame (10), the ends away from each other of the sliding blocks (12) are fixedly connected to a fixed plate 1 (13), the ends away from each other of the fixed plate 1 (13) are fixedly connected to a fixed plate 2 (14), and the opposite ends of the fixed plate 2 (14) are fixedly connected to a support plate (15).

5. The high-efficiency steel structure welding device according to claim 4, characterized in that: The two support plates (15) are both slidably connected to the top of the through frame (10), the top of the support plate (15) and the top of the through frame (10) are located on the same horizontal line, the opposite side of the support plate (15) is fitted, the distance between the two connecting plates (8) is consistent with the inner length of the through frame (10), and the middle of the top of the support platform (2) is hollowed out.

6. The high-efficiency steel structure welding device according to claim 1, characterized in that: The linkage assembly includes a rotating tube (33) and a rotating shaft (35), wherein the rotating tube (33) and the rotating shaft (35) are both rotatably connected to the bottom end of the connecting plate 1 (7), and the bottom end of the rotating shaft (35) is rotatably connected to the top end of the bottom plate (1). The rotating tube (33) is outside the rotating shaft (35), and the bottom end of the outside of the rotating tube (33) is fixedly connected to the second gear (34). The outside of the rotating shaft (35) is fixedly connected to the third gear (36) at the bottom end of the rotating tube (33). The right end of the outside of the rotating tube (33) is fixedly connected to the top end of the second gear (34), and the left end of the outside of the rotating shaft (35) is fixedly connected to the bottom end of the third gear (36). The ends of the two connecting rods (37) are respectively fixedly connected to the connecting column (32) on the same side.

7. The high-efficiency steel structure welding device according to claim 1, characterized in that: The driving assembly includes an electric push rod (16), the input end of the electric push rod (16) is fixedly connected to the bottom of the support platform (2), the output end of the electric push rod (16) is fixedly connected to a connecting block (17), the front end of the connecting block (17) is fixedly connected to a semi-I-shaped plate (18), the inner top of the semi-I-shaped plate (18) is fixedly connected to a motor (19), the output end of the motor (19) is fixedly connected to a rotating shaft (20), and the outer side of the rotating shaft (20) is fixedly connected to a gear (21).

8. The high-efficiency steel structure welding device according to claim 6 or 7, characterized in that: The bottom end of the rotating shaft (20) is rotatably connected to the inner bottom end of the semi-I-shaped plate (18), and the outer sides of the gear 1 (21) are respectively meshed and connected with the gear 2 (34) and the gear 3 (36).

Images