Large-span truss structure welding auxiliary device

Abstract

The utility model discloses an auxiliary welding device for a large-span truss structure, and belongs to the technical field of welding assistance. In order to solve the problem that an existing product is complex in structure, the following technical scheme is provided that the device comprises a bottom plate, two electric push rods are fixedly connected to the upper end of the bottom plate, supporting bases are fixedly connected to the upper ends of the two electric push rods, and a limiting rod is fixedly connected between two square blocks on the other side; the two moving seats are connected through a second U-shaped rod, rotating plates are arranged at the upper ends of the moving seats, and the moving seats and the rotating plates are connected through an adjusting mechanism. By arranging the adjusting mechanism, the welding angle of the vertical frame can be adjusted in real time, workers do not need to manually adjust the angle of the vertical frame, convenience is achieved, meanwhile, the welding efficiency is improved to a great extent, by arranging the limiting mechanism, the vertical frame located above the transverse frame can be limited and fixed, and the welding efficiency is improved. The welding stability of the vertical frame is guaranteed, and the welding effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding assistance, in particular to a welding assistance device for a large-span truss structure. Background Art

[0002] Large-span steel truss structures have been developed and expanded in the past decade due to their reasonable force, high rigidity, light weight, beautiful shape, and convenient manufacture and installation. They have been used in public and industrial buildings. Large-span steel truss structures need to be welded into brackets before assembly. In order to ensure accurate welding position positioning, relevant welding auxiliary devices are generally used.

[0003] Existing welding auxiliary devices are only suitable for positioning horizontal or vertical welding angles, but cannot be used to position inclined angles. At this time, operators often manually observe the welding position and welding head position of the steel structure, which can easily cause inaccurate welding position positioning, thereby affecting the welding quality.

[0004] Therefore, those skilled in the art provide a large-span truss structure welding auxiliary device to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a large-span truss structure welding auxiliary device. By setting an adjustment mechanism, the welding angle of the vertical frame can be adjusted in real time, and the staff does not need to manually adjust the angle of the vertical frame, which is very convenient and also greatly improves its welding efficiency. Secondly, by setting a limiting mechanism, the vertical frame located above the horizontal frame can be limited and fixed to ensure the stability of the vertical frame welding and the welding effect. At the same time, by setting two sets of motors and screw rods, horizontal and vertical frames of different widths can be fixed to improve the practicability of the device. Finally, by setting an electric telescopic rod, the vertical frame can be welded on horizontal frames of different thicknesses, further improving the practicability of the device to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said two movable parts are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said movable part. said two movable parts are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said movable part.

[0008] As a further solution of the utility model, the gear is fixedly connected to one end of the telescopic strip, the arc plate is rotatably connected to the other end of the telescopic strip, a second motor is arranged on the block, and the output shaft of the second motor is connected to the second screw rod.

[0009] As a further solution of the utility model, a long groove is provided at the upper end of the rotating plate, and two second clamping plates are slidably connected inside the long groove. The two second clamping plates are connected by a spring column, and the spring column is located inside the long groove. A limiting mechanism is arranged on the second clamping plate, and the limiting mechanism includes a vertical groove provided on the second clamping plate, and a moving block is slidably connected inside the vertical groove. The lower end of the moving block is connected to the second clamping plate through a first spring, and a limiting groove is provided on the vertical groove. A limiting block is fixedly connected to the moving block, and the limiting block is adapted to the limiting groove.

[0010] As a further solution of the utility model, the limiting mechanism also includes a slide groove opened at the upper end of the moving block, the interior of the slide groove is slidably connected with a slider, and the two are connected by a second spring, the upper end of the slider is fixedly connected to a moving plate, and the upper end of the moving plate is fixedly connected to an arc block.

[0011] As a further solution of the utility model, the upper ends of the two support seats are slidably connected to two first clamping plates, one of the support seats is provided with a first motor, the output shaft of the first motor is connected to a first screw rod, and the first screw rod and the first clamping plate are connected via a threaded sleeve transmission.

[0012] As a further solution of the utility model, the two corresponding first clamping plates on the two support seats are fixedly connected by a first U-shaped rod.

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

[0014] By setting up an adjustment mechanism, the welding angle of the vertical frame can be adjusted in real time. The staff does not need to manually adjust the angle of the vertical frame, which is very convenient and also greatly improves the welding efficiency. Secondly, by setting up a limiting mechanism, the vertical frame located above the horizontal frame can be limited and fixed to ensure the stability of the vertical frame welding and the welding effect. At the same time, by setting up two sets of motors and screw rods, horizontal and vertical frames of different widths can be fixed to improve the practicability of the device. Finally, by setting up an electric telescopic rod, the vertical frame can be welded on horizontal frames of different thicknesses, further improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a large-span truss structure welding auxiliary device;

[0016] Figure 2 for Figure 1 Schematic diagram of the structure viewed from above;

[0017] Figure 3 for Figure 2 Schematic diagram of explosion structure at the mobile seat;

[0018] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at point A;

[0019] Figure 5 for Figure 4 Schematic diagram of the structure looking up at the moving plate.

[0020] In the figure: 1, bottom plate; 2, electric push rod; 3, support seat; 4, first motor; 5, first screw rod; 6, first clamping plate; 7, first U-shaped rod; 8, block; 9, second motor; 10, second screw rod; 11, limit rod; 12, moving seat; 13, arc groove; 14, electric telescopic rod; 15, rotating plate; 16, long groove; 17, second clamping plate; 18, spring column; 19, vertical groove; 20, moving block; 21, first spring; 22, limit groove; 23, limit block; 24, slide groove; 25, moving plate; 26, arc block; 27, slider; 28, second spring; 29, arc plate; 30, rotating column; 31, gear; 32, telescopic strip; 34, second U-shaped rod. DETAILED DESCRIPTION

[0021] See also Figures 1 to 5In the embodiment of the utility model, a large-span truss structure welding auxiliary device comprises a base plate 1, and electric push rods 2 are fixedly connected at the edges of both sides of the upper end of the base plate 1, and the upper ends of the two electric push rods 2 are fixedly connected to a support seat 3. When the electric push rods 2 are working, the height of the support seat 3 can be adjusted to achieve the adjustment of the welding height. The upper ends of the two support seats 3 are slidably connected to two first clamping plates 6, and the clamping and positioning of the welding cross frame can be completed by the first clamping plates 6. A first motor 4 is arranged on one of the support seats 3, and a first screw rod 5 is connected to the output shaft of the first motor 4. The first screw rod 5 and the two first clamping plates 6 on the support seat 3 are connected by a threaded sleeve transmission connection. When the first motor 4 is working, the two first clamping plates 6 can be driven to move, so as to achieve the fixation of cross frames of different widths. The first clamping plates 6 on the two support seats 3 are connected by a first U-shaped rod 7, so that the synchronous movement between the first clamping plates 6 can be achieved.

[0022] The front and rear ends of the two support seats 3 are fixedly connected with blocks 8, and a second screw rod 10 is rotatably connected between the two blocks 8 on one side of the two support seats 3. A second motor 9 is also provided on one of the blocks 8 on this side, and the output shaft of the second motor 9 is connected to the second screw rod 10. When the second motor 9 is working, it can drive the second screw rod 10 to rotate. A limiting rod 11 is fixedly connected between the two blocks 8 on the other side of the two support seats 3. A moving seat 12 is provided on the second screw rod 10 and the limiting rod 11. The two moving seats 12 are connected by a second U-shaped rod 34, and one of the moving seats 12 is connected to the second screw rod 10. The two movable seats 12 are connected by a threaded sleeve transmission connection. When the second screw rod 10 rotates, the movable seat 12 can be driven to move. An arc groove 13 is provided on the two movable seats 12. An electric telescopic rod 14 is arranged inside the arc groove 13. The upper end of the electric telescopic rod 14 is fixedly connected with a rotating plate 15. The two rotating plates 15 are used to place the welding vertical frame. A long groove 16 is provided on the upper end of the rotating plate 15. Two second clamping plates 17 are slidably connected inside the long groove 16. The two second clamping plates 17 are connected by a spring column 18. Under the limit of the spring column 18, the two second clamping plates 17 can clamp and fix the vertical frames of different widths.

[0023] The two second clamping plates 17 are each provided with a vertical slot 19, and a moving block 20 is slidably connected inside the vertical slot 19. The moving block 20 and the vertical slot 19 are connected by a first spring 21. When the moving block 20 moves based on the vertical slot 19, the first spring 21 can be squeezed or pulled. A sliding slot 24 is provided at the upper end of the moving block 20, and a slider 27 is slidably connected inside the sliding slot 24. The slider 27 and the sliding slot 24 are also connected by a second spring 28. A moving plate 25 is fixedly connected to the upper end of the slider 27, and an arc block 26 is fixedly connected to one end of the moving plate 25. When moving toward the two second When the vertical frame is placed between the clamping plates 17, it can be directly pressed to the bottom, and the arc block 26 will be squeezed and move to both sides, which will not affect the entry of the vertical frame. When the vertical frame enters, the arc block 26 can be reset under the action of the second spring 28, and under the action of the first spring 21, the vertical frame is fixed from above, which has a further clamping and fixing effect to ensure the accuracy of welding. A limiting groove 22 is provided inside the vertical groove 19, and a limiting block 23 is fixedly connected to the moving block 20. The limiting block 23 is inserted into the limiting groove 22 to ensure the stability of the moving block 20 when moving.

[0024] An arc plate 29 is provided inside the arc groove 13, and the upper end of the arc plate 29 is fixedly connected to the electric telescopic rod 14, and the arc plate 29 can move inside the arc groove 13. The internal rotation of the movable seat 12 is connected to a gear 31, and the lower end of the gear 31 is fixedly connected to a rotating column 30, and the rotating column 30 passes through the outside of the movable seat 12. By manually rotating the rotating column 30, the synchronous rotation of the gear 31 can be achieved. The gear 31 and the arc plate 29 are connected by a telescopic strip 32, one end of the telescopic strip 32 is fixedly connected to the gear 31, and the other end of the telescopic strip 32 is rotatably connected to the arc plate 29. When the gear 31 rotates, the arc plate 29 can be driven to move inside the arc groove 13 by the telescopic strip 32, so as to achieve the angle adjustment of the rotating plate 15, and the adjustment of the angle of the vertical frame, so as to facilitate the welding of vertical frames with different angles.

[0025] The working principle of the utility model is as follows: the staff places the horizontal frame between the two first clamping plates 6 adjacent to the upper ends of the two support seats 3, and starts the first motor 4 according to the width of the horizontal frame. When the first motor 4 works, it can drive the first screw rod 5 to rotate, and then the two adjacent first clamping plates 6 will be close to each other, so as to facilitate the first clamping plates 6 to clamp the two sides of the horizontal frame to fix the horizontal frame. Then the staff can press the vertical frame between the two second clamping plates 17 on the rotating plate 15, and under the action of the spring column 18, vertical frames of different widths can be fixed. During the entry of the vertical frame, the arc block 26 on the second clamping plate 17 will be pushed to move to both sides and squeeze the second spring 28, which will not affect the entry of the vertical frame. When the vertical frame is fully entered, the arc block 26 returns to its original position under the limit of the second spring 28 and is Under the action of the first spring 21, the arc block 26 can fix the vertical frame from above to further ensure the stability of the vertical frame during welding. At this time, the welding of the vertical frame is performed on the upper surface of the horizontal frame. When it is necessary to weld the vertical frame at different positions of the horizontal frame, the second motor 9 can start working. When the second motor 9 is working, it can drive the second screw rod 10 to rotate, so as to adjust the position of the movable seat 12, which is convenient for welding multiple vertical frames. When it is necessary to weld a vertical frame with an inclined angle on the horizontal frame, the gear 31 can be rotated by the rotating column 30. When the gear 31 rotates, the arc plate 29 can be driven by the telescopic bar 32 to move inside the arc groove 13 to adjust the angle of the vertical frame. When it is necessary to weld vertical frames on horizontal frames of different thicknesses, the height of the rotating plate 15 can be adjusted by the electric telescopic rod 14 to facilitate the welding of the vertical frame.

[0026] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A large-span truss structure welding auxiliary device, comprising a base plate (1), the upper end of the base plate (1) being fixedly connected to two electric push rods (2), the upper ends of the two electric push rods (2) being fixedly connected to a support seat (3), characterized in that: The front and rear ends of the two support seats (3) are fixedly connected to blocks (8); a second screw rod (10) is rotatably connected between the two blocks (8) on one side of the support seat (3); a limit rod (11) is fixedly connected between the two blocks (8) on the other side; the second screw rod (10) and the limit rod (11) are both provided with a movable seat (12); the two movable seats (12) are connected via a second U-shaped rod (34); a rotating plate (15) is provided at the upper end of the movable seat (12); and the two are connected via an adjustment mechanism, wherein the adjustment mechanism comprises a rotating plate (15) connected to the movable seat (12). A gear (31) is disposed inside the movable seat (12); the lower end of the gear (31) is fixedly connected to a rotating column (30); the rotating column (30) passes through the lower end of the movable seat (12); an arc groove (13) is disposed at the upper end of the movable seat (12); an arc plate (29) is slidably connected to the inside of the arc groove (13); the arc plate (29) and the gear (31) are connected via a telescopic strip (32); the upper end of the arc plate (29) is fixedly connected to an electric telescopic rod (14); and the upper end of the electric telescopic rod (14) is fixedly connected to the rotating plate (15).

2. A large-span truss structure welding auxiliary device according to claim 1, characterized in that: The gear (31) is fixedly connected to one end of the telescopic bar (32), the arc plate (29) is rotatably connected to the other end of the telescopic bar (32), a second motor (9) is provided on the block (8), and an output shaft of the second motor (9) is connected to a second screw rod (10).

3. A large-span truss structure welding auxiliary device according to claim 2, characterized in that: A long slot (16) is provided at the upper end of the rotating plate (15), and two second clamping plates (17) are slidably connected inside the long slot (16). The two second clamping plates (17) are connected via a spring column (18), and the spring column (18) is located inside the long slot (16). A limiting mechanism is provided on the second clamping plate (17), and the limiting mechanism comprises a vertical slot (19) provided on the second clamping plate (17), and a moving block (20) is slidably connected inside the vertical slot (19). The lower end of the moving block (20) is connected to the second clamping plate (17) via a first spring (21), and a limiting slot (22) is provided on the vertical slot (19). A limiting block (23) is fixedly connected to the moving block (20), and the limiting block (23) is adapted to fit the limiting slot (22).

4. A large-span truss structure welding auxiliary device according to claim 3, characterized in that: The limiting mechanism further comprises a slide groove (24) provided at the upper end of the moving block (20); a slider (27) is slidably connected inside the slide groove (24), and the two are connected via a second spring (28); the upper end of the slider (27) is fixedly connected to a moving plate (25); and the upper end of the moving plate (25) is fixedly connected to an arc block (26).

5. The large-span truss structure welding auxiliary device according to claim 4, characterized in that: The upper ends of the two support seats (3) are slidably connected to two first clamping plates (6), one of the support seats (3) is provided with a first motor (4), an output shaft of the first motor (4) is connected to a first screw rod (5), and the first screw rod (5) is connected to the first clamping plate (6) via a threaded sleeve.

6. The large-span truss structure welding auxiliary device according to claim 5, characterized in that: The two corresponding first clamping plates (6) on the two support seats (3) are fixedly connected via a first U-shaped rod (7).

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