Steel structure welding device and welding method

Abstract

The invention relates to a steel structure welding device and method, and belongs to the technical field of steel structure welding machines.The steel structure welding device comprises a device body, a lifting block is slidably connected to the outer wall of the device body, a welding table is fixedly connected to the top of the lifting block, and a connecting frame is fixedly connected to the top of the welding table; the outer wall of the connecting frame is telescopically connected with a telescopic block, and a welding head is arranged at the bottom of the telescopic block. According to the steel welding device, a sliding column is arranged, when steel at different positions is welded and machined through the welding device, a first servo motor is started to drive the sliding column to slide along the inner wall of an arc-shaped groove through rotation of a swing rod, so that the steel at the different positions can be conveniently placed on the device, and the carrying complexity of workers on the steel is reduced; and the sliding column slides to drive the transfer table to synchronously rotate, so that the transfer table rotates to the other side of the welding table, and the effect of conveniently placing, welding and machining steel at different positions is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of steel structure welding processing, and more specifically, to a steel structure welding device and a welding method. Background Technique

[0002] In construction, steel structures are widely used. To make the steel structure more stable and enhance its strength, connecting plates are usually welded to the steel to strengthen the strength and stability of this section of the steel. When welding the connecting plates, it is required that the connecting surface of the connecting plate and the steel is perpendicular to ensure the welding strength.

[0003] In the prior art, there is a welding device and a welding method for building steel structures with the publication number of CN117817203B. In the existing welding device, the positioning is not accurate enough when placing the connecting plate, which is not convenient for welding. And it is not convenient to press the connecting plate during welding, which easily leads to insufficient contact, and further easily causes loosening due to insufficient weld connection. A welding device and a welding method for building steel structures include two support frames. At both ends of the two support frames, there are fixedly connected lockable moving wheels. On the side where the two support frames are away from each other, there are fixedly connected handles. A right-angle calibration mechanism is arranged between the two support frames. When an operator places the connecting plate before welding, the connecting plate can be first placed into the guide frame from top to bottom. After passing through the guide frame, the connecting plate contacts four guide wheels. The inclined groove opened on the guide frame can facilitate the operator to position when placing the connecting plate.

[0004] However, when the above steel structure welding device is in use, although the steel structure can be better placed on the welding device for welding operations, the feeding direction of the steel structure is relatively fixed. When welding steel structures at different positions, it will cause the staff to repeatedly carry the steel structure, increasing the work intensity of the staff. And when the steel structure is welded and processed by the welding device, the adjustability of the use area of the welding table is not high. When welding steel structures of different lengths, it affects the placement stability of the steel structure on the welding table, reducing the welding efficiency of the welding device for the steel structure and not meeting the usage requirements of people. Therefore, we propose a steel structure welding device and a welding method. Summary of the Invention

[0005] To solve the problems mentioned in the above background, the present invention provides a steel structure welding device and a welding method to solve the problems in the above background technology that the feeding direction of the steel structure is relatively fixed, which will cause the staff to repeatedly carry the steel structure when welding steel structures at different positions, increasing the work intensity of the staff, and the adjustability of the use area of the welding table is not high, which affects the placement stability of the steel structure on the welding table when welding steel structures of different lengths.

[0006] To achieve the above technical objectives, the technical solutions adopted by the present invention are as follows:

[0007] A steel structure welding device includes a device main body. A lifting block is slidably connected to the outer wall of the device main body. A welding table is fixedly connected to the top of the lifting block. A connecting frame is fixedly connected to the top of the welding table. A telescopic block is telescopically connected to the outer wall of the connecting frame. A welding head is provided at the bottom of the telescopic block;

[0008] The device main body further includes:

[0009] A conversion mechanism is provided on the outer wall of the welding table;

[0010] An adjustment mechanism is provided on the outer wall of the connecting frame;

[0011] The conversion mechanism includes a conversion table. A first servo motor is fixedly connected to the outer wall of the lifting block. The output end of the first servo motor is fixedly connected to a swing rod rotatably connected to the bottom of the welding table. A sliding column is fixedly connected to the end of the swing rod. The outer wall of the sliding column is slidably connected to a first limiting plate fixedly connected to the outer wall of the lifting block. The top of the sliding column is fixedly connected to the conversion table. A first electric push rod is rotatably connected to the bottom of the conversion table. One end of the first electric push rod is rotatably connected to an extension table rotatably connected to the outer wall of the conversion table. When placing steel at different positions, in order to improve the stability of placing steel with different lengths to be processed on the device, the first electric push rod is opened according to the length of the steel, driving the extension table to perform a flipping motion along the outer wall of the conversion table, so that the placement area of the welding table, the conversion table and the extension table becomes longer, improving the adjustment and processing effect of steel with different lengths.

[0012] Preferably, an arc-shaped groove is formed at the connection part between the outer wall of the first limiting plate and the sliding column. A connecting plate is fixedly connected to the bottom of the conversion table. The bottom of the connecting plate is slidably connected to a second limiting plate fixedly connected to the outer wall of the lifting block.

[0013] Preferably, the sliding column and the arc-shaped groove form a sliding structure through the swing rod. The outer wall contour of the arc-shaped groove is semi-circular. Two groups of sliding columns are provided. The positions of the two groups of sliding columns are equidistantly distributed about the rotation center of the swing rod.

[0014] Preferably, the conversion table and the welding table form a rotating structure through the sliding column and the arc-shaped groove. Two groups of conversion tables are provided. The positions of the two groups of conversion tables are symmetrically distributed about the central axis of the welding table.

[0015] Preferably, the extension table forms a flipping structure with the conversion table through the first electric push rod. The extension table and the conversion table are arranged in a one-to-one correspondence. Two groups of the first electric push rods are provided, and the positions of the two groups of the first electric push rods are symmetrically distributed about the central axis of the extension table, which plays a role in increasing the use area of the welding table.

[0016] Preferably, a connection hose penetrating through the outer wall of the telescopic block is fixedly connected to the top of the welding head. One end of the connection hose is fixedly connected to a collection box, which plays a role in conveniently collecting welding fumes.

[0017] Preferably, the adjusting mechanism includes a pulling rod and a telescopic rod. A second servo motor is fixedly connected to the outer wall of the connecting frame. The output end of the second servo motor is fixedly connected to a turntable rotatably connected to the outer wall of the connecting frame. The outer wall of the turntable is rotatably connected to a pulling rod rotatably connected to the outer wall of the telescopic block. A telescopic rod fixedly connected to the outer wall of the telescopic block is fixedly connected to the outer wall of the connecting frame. A second electric push rod fixedly connected to the bottom of the lifting block is fixedly connected to the outer wall of the device body. When welding different positions of steel is required, in order to improve the adjustment effect of the processing position of the welding head and facilitate the operator to hold the welding head for welding operation, turn on the second servo motor. The rotation of the turntable drives the pulling rod to rotate. The rotation of the pulling rod drives the telescopic block to perform telescopic movement through the connection of the telescopic rod, so that the use position of the welding head can be conveniently adjusted, achieving the effect of adjusting welding for different welding positions.

[0018] Preferably, the pulling rod forms a rotating structure with the telescopic rod through the turntable. Two groups of the pulling rods are provided, and the rotation centers of the two groups of the pulling rods are equidistantly distributed about the rotation center of the turntable.

[0019] Preferably, the telescopic block forms a telescopic structure with the turntable and the pulling rod through the telescopic rod. The telescopic block and the welding head are arranged in a one-to-one correspondence. When the use height of the welding table needs to be adjusted, turn on the second electric push rod to drive the lifting block to slide along the outer wall of the device body, so that the height of the welding table can be conveniently adjusted to meet the needs of operators of different heights to flexibly use the welding device.

[0020] A detection method for a steel structure welding device includes the following steps:

[0021] Step S1: When welding different positions of steel by the welding device, in order to conveniently place the steel at different positions on the device and reduce the cumbersome handling of the steel by the operator, turn on the first servo motor. The rotation of the swing rod drives the sliding column to slide along the inner wall of the arc-shaped groove. The sliding of the sliding column drives the conversion table to perform synchronous rotational movement, so that the conversion table rotates to the other side of the welding table, playing a role in conveniently placing and welding different positions of steel.

[0022] Step S2: When placing steel conversions at different positions, in order to improve the stability of placing steel to be processed with different lengths on the device, open the first electric push rod according to the length of the steel, drive the extension table to flip along the outer wall of the conversion table, so that the placement areas of the welding table, the conversion table and the extension table become longer, and improve the effect of adjusting and processing steel with different lengths;

[0023] Step S3: When welding and processing different positions of the steel, in order to improve the adjustment effect of the processing position of the welding head and facilitate the operator to hold the welding head for welding operation, open the second servo motor, drive the pulling rod to rotate through the rotation of the turntable, and the rotation of the pulling rod drives the telescopic block to perform telescopic movement through the connection of the telescopic rod, so that the use position of the welding head can be conveniently adjusted, achieving the effect of adjusting and welding different welding positions;

[0024] Step S4: When it is necessary to adjust the use height of the welding table, open the second electric push rod to drive the lifting block to slide along the outer wall of the device main body, so that the height of the welding table can be conveniently adjusted to meet the needs of operators with different heights to flexibly use the welding device.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0026] 1. The sliding column provided in the present invention, when welding and processing steel at different positions by the welding device, in order to conveniently place steel at different positions on the device and reduce the cumbersome handling of steel by the operator, open the first servo motor, drive the sliding column to slide along the inner wall of the arc-shaped groove through the rotation of the swing rod, and the sliding of the sliding column drives the conversion table to perform synchronous rotational movement, so that the conversion table rotates to the other side of the welding table, playing a role in conveniently placing and welding and processing steel at different positions.

[0027] 2. The extension table provided in the present invention, when placing steel conversions at different positions, in order to improve the stability of placing steel to be processed with different lengths on the device, open the first electric push rod according to the length of the steel, drive the extension table to flip along the outer wall of the conversion table, so that the placement areas of the welding table, the conversion table and the extension table become longer, and improve the effect of adjusting and processing steel with different lengths.

[0028] 3. The pulling rod provided in the present invention, when welding and processing different positions of the steel, in order to improve the adjustment effect of the processing position of the welding head and facilitate the operator to hold the welding head for welding operation, open the second servo motor, drive the pulling rod to rotate through the rotation of the turntable, and the rotation of the pulling rod drives the telescopic block to perform telescopic movement through the connection of the telescopic rod, so that the use position of the welding head can be conveniently adjusted, achieving the effect of adjusting and welding different welding positions.

[0029] 4. The second electric push rod provided in the present invention can, when it is necessary to adjust the use height of the welding table, drive the lifting block to slide along the outer wall of the device main body by turning on the second electric push rod, so as to conveniently adjust the height of the welding table and meet the needs of workers with different heights to flexibly use the welding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 is a schematic diagram of the overall bottom view structure of the present invention;

[0032] Figure 3 is a schematic diagram of the connection structure between the conversion table and the extension table of the present invention;

[0033] Figure 4 is a schematic diagram of the position distribution structure of the second limiting plate of the present invention;

[0034] Figure 5 is a schematic diagram of the connection structure between the sliding column and the arc-shaped operation of the present invention;

[0035] Figure 6 is a schematic diagram of the connection structure between the turntable and the pulling rod of the present invention;

[0036] Figure 7 is a schematic diagram of the connection structure between the telescopic rod and the telescopic block of the present invention;

[0037] Figure 8 is a schematic diagram of the connection structure between the second electric push rod and the lifting block of the present invention.

[0038] The reference numerals in the drawings are:

[0039] 1. Device main body; 2. Lifting block; 3. Welding table; 4. Connecting frame; 5. Telescopic block; 6. Welding head; 7. Conversion mechanism; 701. First servo motor; 702. Swing rod; 703. Sliding column; 704. First limiting plate; 705. Arc-shaped groove; 706. Conversion table; 707. First electric push rod; 708. Extension table; 709. Connecting plate; 710. Second limiting plate; 8. Connecting hose; 9. Collection box; 10. Adjusting mechanism; 1001. Second servo motor; 1002. Turntable; 1003. Pulling rod; 1004. Telescopic rod; 11. Second electric push rod. DETAILED DESCRIPTION OF THE INVENTION

[0040] In order to further elaborate on the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following will, in conjunction with the accompanying drawings and preferred embodiments, describe in detail the specific implementation manners, structures, features and their effects of the present invention as follows.

[0041] Embodiment 1:

[0042] Please refer to Figures 1 to 8 , this embodiment provides a steel structure welding device and a welding method, including a device main body 1, characterized in that: a lifting block 2 is slidably connected to the outer wall of the device main body 1, a welding table 3 is fixedly connected to the top of the lifting block 2, a connecting frame 4 is fixedly connected to the top of the welding table 3, a telescopic block 5 is telescopically connected to the outer wall of the connecting frame 4, and a welding head 6 is arranged at the bottom of the telescopic block 5.

[0043] Embodiment 2:

[0044] Based on Embodiment 1, a conversion mechanism 7 is further disclosed.

[0045] As Figures 3 - 5 shown, the device main body 1 further includes:

[0046] A conversion mechanism 7 is arranged on the outer wall of the welding table 3;

[0047] The conversion mechanism 7 includes a conversion table 706. A first servo motor 701 is fixedly connected to the outer wall of the lifting block 2. The output end of the first servo motor 701 is fixedly connected to a swing rod 702 rotatably connected to the bottom of the welding table 3. A sliding column 703 is fixedly connected to the end of the swing rod 702. The outer wall of the sliding column 703 is slidably connected to a first limiting plate 704 fixedly connected to the outer wall of the lifting block 2. The top of the sliding column 703 is fixedly connected to the conversion table 706. A first electric push rod 707 is rotatably connected to the bottom of the conversion table 706. One end of the first electric push rod 707 is rotatably connected to an extension table 708 rotatably connected to the outer wall of the conversion table 706. When welding steel at different positions through the welding device, in order to facilitate the placement of steel at different positions on the device and reduce the cumbersome handling of steel by workers, the first servo motor 701 is turned on. Through the rotation of the swing rod 702, the sliding column 703 is driven to slide along the inner wall of the arc-shaped groove 705. The sliding of the sliding column 703 drives the conversion table 706 to perform a synchronous rotational movement, so that the conversion table 706 rotates to the other side of the welding table 3, playing a role in facilitating the placement and welding of steel at different positions.

[0048] As Figure 7 shown, an arc-shaped groove 705 is opened at the connection part between the outer wall of the first limiting plate 704 and the sliding column 703. A connecting plate 709 is fixedly connected to the bottom of the conversion table 706. The bottom of the connecting plate 709 is slidably connected to a second limiting plate 710 fixedly connected to the outer wall of the lifting block 2. It is beneficial to limit the rotation of the conversion table 706 through the opening of the arc-shaped groove 705, and it is beneficial to improve the rotational stability of the conversion table 706 through the setting of the connecting plate 709 fixedly connected to the bottom of the conversion table 706.

[0049] As Figure 7As shown, a sliding structure is formed between the sliding column 703 and the arc-shaped groove 705 through the swing rod 702. The outer wall contour of the arc-shaped groove 705 is semi-circular. There are two groups of sliding columns 703, and the positions of the two groups of sliding columns 703 are equidistantly distributed about the rotation center of the swing rod 702, which is conducive to the rotation of the swing rod 702, driving the sliding column 703 to slide along the inner wall of the arc-shaped groove 705, playing a role in conveniently adjusting the processing position of the conversion table 706. By setting two groups of sliding columns 703 with positions equidistantly distributed about the rotation center of the swing rod 702, it plays a role in driving the two conversion tables 706 to rotate relative to each other.

[0050] As Figure 7 shown, a rotating structure is formed between the conversion table 706 and the welding table 3 through the sliding column 703 and the arc-shaped groove 705. There are two groups of conversion tables 706, and the positions of the two groups of conversion tables 706 are symmetrically distributed about the central axis of the welding table 3, which is conducive to the sliding column 703 sliding along the inner wall of the arc-shaped groove 705, driving the conversion table 706 to rotate along the outer wall of the welding table 3, playing a role in placing and welding steel at different positions, and facilitating the conversion of steel feeding at different positions by setting two groups of conversion tables 706 with positions symmetrically distributed about the central axis of the welding table 3.

[0051] As Figure 7 shown, a flipping structure is formed between the extension table 708 and the conversion table 706 through the first electric push rod 707. The extension table 708 and the conversion table 706 are arranged in a one-to-one correspondence. There are two groups of first electric push rods 707, and the positions of the two groups of first electric push rods 707 are symmetrically distributed about the central axis of the extension table 708. By setting the extension table 708, when placing and converting steel at different positions, in order to improve the stability of placing steel with different lengths to be processed on the device, the first electric push rod 707 is opened according to the length of the steel, driving the extension table 708 to flip along the outer wall of the conversion table 706, making the placement area of the welding table 3, the conversion table 706 and the extension table 708 longer, improving the effect of adjusting and processing steel with different lengths, and facilitating the conversion and adjustment of the usable area at different positions of the welding table 3 by the one-to-one correspondence between the extension table 708 and the conversion table 706.

[0052] As Figure 7 shown, a connection hose 8 is fixedly connected to the top of the welding head 6 and penetrates through the outer wall of the telescopic block 5. One end of the connection hose 8 is fixedly connected to a collection box 9, which is conducive to the convenient collection of the smoke generated during welding through the setting of the connection hose 8.

[0053] Example 3:

[0054] Based on Example 1, the adjusting mechanism 10 is further disclosed.

[0055] The adjusting mechanism 10 is provided on the outer wall of the connecting frame 4.

[0056] As Figure 7 and Figure 8 shown, the adjusting mechanism 10 includes a pulling rod 1003 and a telescopic rod 1004. A second servo motor 1001 is fixedly connected to the outer wall of the connecting frame 4. The output end of the second servo motor 1001 is fixedly connected to a turntable 1002 rotatably connected to the outer wall of the connecting frame 4. The outer wall of the turntable 1002 is rotatably connected to a pulling rod 1003 rotatably connected to the outer wall of the telescopic block 5. A telescopic rod 1004 fixedly connected to the outer wall of the telescopic block 5 is fixedly connected to the outer wall of the connecting frame 4. A second electric push rod 11 fixedly connected to the bottom of the lifting block 2 is fixedly connected to the outer wall of the device body 1. By providing the pulling rod 1003, when it is necessary to perform welding operations on different positions of the steel, in order to improve the adjustment effect of the processing position of the welding head 6 and facilitate the operator to hold the welding head 6 for welding operations, the second servo motor 1001 is turned on. The rotation of the turntable 1002 drives the pulling rod 1003 to rotate. The rotation of the pulling rod 1003 drives the telescopic block 5 to perform telescopic movement through the connection of the telescopic rod 1004, so that the use position of the welding head 6 can be conveniently adjusted, achieving the effect of adjusting welding for different welding positions. When it is necessary to adjust the use height of the welding table 3, the second electric push rod 11 is turned on to drive the lifting block 2 to slide along the outer wall of the device body 1, so that the height of the welding table 3 can be conveniently adjusted to meet the needs of operators of different heights to flexibly use the welding device. By providing two groups of second electric push rods 11 symmetrically distributed about the central axis of the lifting block 2, it is beneficial to improve the convenient adjustment of the use height of the lifting block 2.

[0057] As Figure 7 shown, the pulling rod 1003 forms a rotating structure between the turntable 1002 and the telescopic rod 1004. Two groups of pulling rods 1003 are provided, and the rotation centers of the two groups of pulling rods 1003 are equidistantly distributed about the rotation center of the turntable 1002, which is beneficial to the rotation of the turntable 1002. Through the connection of the telescopic rod 1004, the pulling rod 1003 is driven to rotate conveniently, playing a role in driving the telescopic block 5 to perform telescopic movement conveniently. By providing two groups of pulling rods 1003 with rotation centers equidistantly distributed about the rotation center of the turntable 1002, it is beneficial to drive the telescopic block 5 to perform relative telescopic movement.

[0058] As Figure 7As shown, the telescopic block 5 forms a telescopic structure with the turntable 1002 and the pulling rod 1003 and the telescopic rod 1004. The telescopic block 5 and the welding head 6 are arranged in a one-to-one correspondence, which is beneficial to the rotation of the turntable 1002. Through the connection of the pulling rod 1003, the telescopic block 5 fixedly connected to the telescopic rod 1004 is driven to perform a convenient telescopic movement, so that the use position of the welding head 6 can be conveniently adjusted, achieving the effect of adjusting the welding for different welding positions. It is beneficial to the one-to-one setting between the telescopic block 5 and the welding head 6 to play a role in synchronously adjusting the welding position of the welding head 6.

[0059] Embodiment 4:

[0060] Based on Embodiments 1, 2, and 3, a steel structure welding device and a welding method are further disclosed.

[0061] A steel structure welding device and a welding method include the following steps:

[0062] Step S1: When welding steel at different positions through the welding device, in order to improve the convenient placement of steel at different positions on the device and reduce the cumbersome handling of steel by workers, the first servo motor 701 is turned on. Through the rotation of the swing rod 702, the sliding column 703 is driven to slide along the inner wall of the arc-shaped groove 705. The sliding of the sliding column 703 drives the conversion table 706 to perform a synchronous rotational movement, so that the conversion table 706 rotates to the other side of the welding table 3, playing a role in conveniently placing and welding steel at different positions.

[0063] Step S2: When converting and placing steel at different positions, in order to improve the stability of placing steel to be processed with different lengths on the device, the first electric push rod is turned on according to the length of the steel, driving the extension table 708 to perform a flipping movement along the outer wall of the conversion table 706, so that the placement area of the welding table 3, the conversion table 706, and the extension table 708 becomes longer, improving the effect of adjusting and processing steel with different lengths.

[0064] Step S3: When it is necessary to weld different positions of the steel, in order to improve the adjustment effect of the processing position of the welding head 6 and facilitate the welding operation of the worker holding the welding head 6, the second servo motor 1001 is turned on. Through the rotation of the turntable 1002, the pulling rod 1003 is driven to rotate. The rotation of the pulling rod 1003 drives the telescopic block 5 to perform a telescopic movement through the connection of the telescopic rod 1004, so that the use position of the welding head 6 can be conveniently adjusted, achieving the effect of adjusting the welding for different welding positions.

[0065] Step S4: When it is necessary to adjust the use height of the welding table 3, the second electric push rod 11 is turned on to drive the lifting block 2 to slide along the outer wall of the device main body 1, so that the height of the welding table 3 can be conveniently adjusted to meet the needs of workers with different heights to flexibly use the welding device.

[0066] The above are only the preferred embodiments of the present invention and do not impose any formal restrictions on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A steel structure welding device, comprising a device main body, characterized in that: A lifting block is slidably connected to the outer wall of the device main body. A welding table is fixedly connected to the top of the lifting block. A connecting frame is fixedly connected to the top of the welding table. A telescopic block is telescopically connected to the outer wall of the connecting frame. A welding head is arranged at the bottom of the telescopic block. The device main body further includes: A conversion mechanism arranged on the outer wall of the welding table; An adjustment mechanism arranged on the outer wall of the connecting frame; The conversion mechanism includes a conversion table. A first servo motor is fixedly connected to the outer wall of the lifting block. The output end of the first servo motor is fixedly connected to a swing rod rotatably connected to the bottom of the welding table. A sliding column is fixedly connected to the end of the swing rod. The outer wall of the sliding column is slidably connected to a first limiting plate fixedly connected to the outer wall of the lifting block. A conversion table is fixedly connected to the top of the sliding column. A first electric push rod is rotatably connected to the bottom of the conversion table. One end of the first electric push rod is rotatably connected to an extension table rotatably connected to the outer wall of the conversion table.

2. The steel structure welding device according to claim 1, characterized in that: An arc-shaped groove is formed at the connection part between the outer wall of the first limiting plate and the sliding column. A connecting plate is fixedly connected to the bottom of the conversion table. The bottom of the connecting plate is slidably connected to a second limiting plate fixedly connected to the outer wall of the lifting block.

3. The steel structure welding device according to claim 2, characterized in that: The sliding column and the arc-shaped groove form a sliding structure through the swing rod. The outer wall contour of the arc-shaped groove is semi-circular. Two groups of sliding columns are provided. The positions of the two groups of sliding columns are equidistantly distributed about the rotation center of the swing rod.

4. A steel structure welding device according to claim 2, characterized in that: The conversion table and the welding table form a rotating structure through the sliding column and the arc-shaped groove. Two groups of conversion tables are provided. The positions of the two groups of conversion tables are symmetrically distributed about the central axis of the welding table.

5. A steel structure welding device according to claim 1, characterized in that: The extension table and the conversion table form a flipping structure through the first electric push rod. The extension table and the conversion table are arranged in a one-to-one correspondence. Two groups of first electric push rods are provided. The positions of the two groups of first electric push rods are symmetrically distributed about the central axis of the extension table.

6. The steel structure welding device according to claim 1, characterized in that: A connecting hose penetrating through the outer wall of the telescopic block is fixedly connected to the top of the welding head. One end of the connecting hose is fixedly connected to a collection box.

7. A steel structure welding device according to claim 1, characterized in that: The adjustment mechanism includes a pulling rod and a telescopic rod. A second servo motor is fixedly connected to the outer wall of the connecting frame. The output end of the second servo motor is fixedly connected to a turntable rotatably connected to the outer wall of the connecting frame. The outer wall of the turntable is rotatably connected to a pulling rod rotatably connected to the outer wall of the telescopic block. A telescopic rod fixedly connected to the outer wall of the telescopic block is fixedly connected to the outer wall of the connecting frame. A second electric push rod fixedly connected to the bottom of the lifting block is fixedly connected to the outer wall of the device main body.

8. A steel structure welding device according to claim 7, characterized in that: The pulling rod and the telescopic rod form a rotating structure through the turntable. Two groups of pulling rods are provided. The rotation centers of the two groups of pulling rods are equidistantly distributed about the rotation center of the turntable.

9. The steel structure welding device according to claim 7, characterized in that: The telescopic block and the telescopic rod form a telescopic structure through the turntable and the pulling rod. The telescopic block and the welding head are arranged in a one-to-one correspondence.

10. A detection method for a steel structure welding device according to any one of claims 1-9, characterized in that, Including the following steps: Step S1: When welding steel at different positions by a welding device, in order to facilitate the placement of steel at different positions onto the device and reduce the cumbersome handling of steel by workers, turn on the first servo motor. Through the rotation of the swing rod, drive the sliding column to slide along the inner wall of the arc-shaped groove. The sliding of the sliding column drives the turntable to perform a synchronous rotational movement, so that the turntable rotates to the other side of the welding table, playing a role in facilitating the placement and welding of steel at different positions. Step S2: When converting and placing steel at different positions, in order to improve the stability of the steel to be processed with different lengths placed on the device, turn on the first electric push rod according to the length of the steel, and drive the extension table to perform a flipping movement along the outer wall of the turntable, so that the placement areas of the welding table and the turntable with the extension table become longer, improving the effect of adjusting and processing steel with different lengths. Step S3: When it is necessary to weld different positions of the steel, in order to improve the adjustment effect of the processing position of the welding head and facilitate the welding operation by the worker holding the welding head, turn on the second servo motor. Through the rotation of the turntable, drive the pulling rod to rotate. The rotation of the pulling rod drives the telescopic block to perform a telescopic movement through the connection of the telescopic rod, so that the use position of the welding head can be conveniently adjusted, achieving the effect of adjusting and welding different welding positions. Step S4: When it is necessary to adjust the use height of the welding table, turn on the second electric push rod to drive the lifting block to slide along the outer wall of the device main body, so that the height of the welding table can be conveniently adjusted to meet the needs of workers with different heights to flexibly use the welding device.

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