CN116372482A

CN116372482A - Steel structure welding device

Info

Publication number: CN116372482A
Application number: CN202310500488.3A
Authority: CN
Inventors: 高学书; 孙颖; 朱鹏
Original assignee: Shan Dong Juxin Group Steel Structure Co ltd
Current assignee: Shan Dong Juxin Group Steel Structure Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-07-04

Abstract

The invention discloses a steel structure welding device which comprises a workbench, wherein a first bearing component and a second bearing component are symmetrically arranged on the workbench, vertical plates are arranged on two sides, close to one end of the first bearing component, of the second bearing component, the end parts of the second bearing component are rotatably arranged on the vertical plates on two sides through a first rotating shaft, a cushion block is arranged below one end, far away from the vertical plates, of the second bearing component, the cushion block is arranged on the workbench, and the end parts of the second bearing component are lapped on the cushion block. The invention can realize plane welding, vertical welding and inclined welding among the rigid structures, and can drive one of the steel structures to carry out position adjustment through the rotating mechanism, thereby meeting different use requirements of steel structure welding, expanding the use range of the device and improving the working efficiency of steel structure welding.

Description

Steel structure welding device

Technical Field

The invention belongs to the technical field of steel structure welding, and particularly relates to a steel structure welding device.

Background

The steel structure is a structure formed by steel materials, is one of main building structure types, mainly comprises steel beams, steel columns, steel trusses and other components made of steel sections, steel plates and the like, and each component or part is usually connected by adopting a welding seam, a bolt or a rivet.

When welding steel construction, can carry out the welding of different angles according to the needs of difference sometimes, adjust two steel construction and make its contained angle that forms certain angle, and current steel construction welding set can only carry out plane welding or perpendicular welding to the steel construction, can't carry out the angle welding between two steel constructions, has reduced the application range of device, and then reduces steel construction welded work efficiency.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a steel structure welding device which can realize plane welding, vertical welding and inclined welding among rigid structures, and can drive one of the steel structures to carry out position adjustment through a rotating mechanism, so that different use requirements of steel structure welding are met, the use range of the device is enlarged, and the working efficiency of steel structure welding is improved.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a steel construction welding set, includes the workstation, first bearing component and second bearing component are installed to the symmetry on the workstation, the riser is installed to the both sides that the second bearing component is close to first bearing component one end, and the second bearing component tip is installed on the riser of both sides through first pivot rotation, and the one end below that the riser was kept away from to the second bearing component is equipped with the cushion, the cushion is installed on the workstation, and second bearing component tip overlap joint is on the cushion, and slewing mechanism is installed to one side of second bearing component, slewing mechanism is connected with first pivot, and movable groove has been seted up to one side of the workstation between first bearing component and the second bearing component, the internally mounted in movable groove has welding mechanism.

The utility model provides a steel structure that first bearing assembly is the same and all includes loading board, fixed establishment, moving mechanism, fixture with the second bearing assembly structure, the one end at the loading board is installed to the fixture, fixed establishment installs the other end at the loading board, first recess has been seted up at the middle part of loading board, in the moving mechanism installed first recess, fixed establishment is connected with the moving mechanism, the moving mechanism includes first lead screw, second motor, first lead screw is rotated and is installed in first recess, and threaded mounting has first slider on the first lead screw, and fixed establishment installs on first slider, the second motor is installed and is kept away from the one end of fixture on the loading board, and the output shaft and the first screw connection of second motor drive first lead screw through the work of second motor rotate in first recess, and the first slider that is located first lead screw drives the fixed establishment and remove to can weld the steel structure of different length, enlarged the application range of device, fixture includes U type frame inside both sides symmetry installs a plurality of first springs, and the same one side has the first end of spring to jointly install under the same holding structure with the same spring, places the tip of two spring under the same holding structure.

The utility model provides a fixed establishment, including bearing frame, first motor, two-way threaded rod, box, first gear, first bevel gear, second bevel gear, it installs on first slider to bear the frame, two-way threaded rod rotates the upper portion of installing at bearing frame both sides wall, and the second slider is installed to the screw thread on the different screw thread sections of two-way threaded rod, the first conducting bar is installed to one side that is close to bearing frame on the second slider, keeps away from one side of first conducting bar on the second slider and installs the centre gripping arm, has offered on the bearing frame with first conducting bar matched with guide slot, first motor installs one side and the output shaft and two-way threaded rod of bearing the frame are connected, the box is installed in the middle part top of bearing the frame, and the middle part and the box rotation of two-way threaded rod are connected, are located the two-way threaded rod of box inside and install the second bevel gear on, one side meshing of second bevel gear has first bevel gear, one side of first bevel gear is equipped with first gear, first gear and first bevel gear coaxial rotation installs on the box, and first gear bilateral symmetry meshing has first rack to offer first rack to pass the rack, and first rack and the rack is used for preventing to install the fixed connection with the first through-bar, the other end is used for preventing to take off the fixed connection.

The rotating mechanism comprises a supporting plate, a third motor, a connecting rod, a swinging rod, a ratchet wheel, a movable rod, a second spring and a lug, wherein the supporting plate is arranged on a workbench on one side of a second bearing component, the third motor is arranged on the upper portion of the supporting plate, the end part of an output shaft of the third motor penetrates through the supporting plate and is provided with a second gear, the third gear is meshed below the second gear, the third gear is rotatably arranged on the supporting plate, the ratchet wheel and the swinging rod are all arranged at the end part of a first rotating shaft, the swinging rod is arranged on one side of the ratchet wheel and on the upper portion of the swinging rod, the swinging rod is rotatably connected with the first rotating shaft, the ratchet wheel is fixedly arranged on the first rotating shaft, the supporting block is arranged above the ratchet wheel, the movable rod is slidably arranged inside the supporting block, a connecting plate is arranged at the top of the movable rod, one side of the movable rod and the connecting plate is provided with one guide rod, bearing grooves matched with the guide rods are formed in the two sides of the movable rod and the supporting block, the bottom of the third gear is rotatably arranged in the bearing grooves, the bottom of the supporting block is arranged in the bearing grooves, the bottom of the swinging rod is connected with the first rotating shaft, the bearing blocks are arranged at the bottom of the bearing blocks, the bearing blocks and are arranged on the periphery of the top of the connecting rod, the connecting rod is arranged on the top of the connecting rod, and the connecting rod is arranged on the top and the connecting rod.

The welding mechanism comprises an L-shaped rod, a movable block, a third motor, a second lead screw, a second telescopic rod and a welding gun, wherein the movable block is slidably arranged in a movable groove, a second groove is formed in the top of the movable block, the bottom end of the L-shaped rod is rotatably arranged in the second groove on the movable block through a second rotating shaft, a fifth gear is arranged on the second rotating shaft, a fifth motor is arranged in the second groove below the second rotating shaft, a sixth gear is arranged at the end part of an output shaft of the fifth motor and is in meshed connection with the fifth gear, a third motor is arranged on one side of the movable block, a fourth gear is arranged at the end part of an output shaft of the third motor, a second rack is arranged on one side of the top of the movable groove, the second rack is in meshed connection with the fourth gear, the second lead screw is rotatably arranged at the top of the L-shaped rod, a second sliding block is arranged on the second lead screw in a threaded manner, a second telescopic rod is arranged at the bottom of the second sliding block, and the movable end part of the second telescopic rod is arranged with the motor, and the third motor is arranged at the end part of the output shaft of the third motor and is connected with the end part of the second lead screw.

Preferably, a second guide bar is arranged on one side, far away from the first gear, of the first rack, and the first rack is slidably arranged on the box body through the second guide bar.

Preferably, a first telescopic rod is installed at the bottom of the first bearing assembly.

The beneficial effects of the invention are as follows:

1) The device can realize plane welding, vertical welding and inclined welding between rigid structures, can drive one of the steel structures to carry out position adjustment through the rotating mechanism, meets different use requirements of steel structure welding, enlarges the application range of the device and improves the work efficiency of steel structure welding.

2) The two second sliding blocks are positioned on the two-way threaded rod to be close to each other, the clamping arms positioned on the second sliding blocks move along with the two sliding blocks to clamp the end part of the steel structure, meanwhile, the second bevel gear positioned on the two-way threaded rod rotates to drive the first bevel gear to rotate in a meshed mode with the first bevel gear, the first gear is coaxial with the first bevel gear to enable the first gear to rotate, the first racks on two sides of the first gear are meshed with the first gear to drive the fixing plate to be close to each other to fix the end part of the steel structure, fixing of the end part of the steel structure in four directions can be achieved through rotation of the two-way threaded rod, and therefore the fixing work efficiency and the fixing effect of the steel structure are improved.

3) The second lead screw is driven to rotate through the operation of the third motor, the second sliding block located on the second lead screw moves along the second lead screw, the second telescopic rod located on the second sliding block and the welding gun move along with the second sliding block, the welding gun can be driven to move through the extension of the second telescopic rod, and the whole welding mechanism can be adjusted under the condition that the steel structure rotates, so that the welding machine is suitable for welding of different angles of the steel structure.

4) The fifth motor works to drive the sixth gear to rotate, the fifth gear is meshed with the sixth gear to drive the second rotating shaft to rotate, the L-shaped rod positioned on the second rotating shaft rotates along with the second rotating shaft to adjust the angle, the third motor works to drive the fourth gear to rotate, and the fourth gear is meshed with the second rack to realize movement of the fourth gear, so that the movable block is driven to move along the movable groove.

5) Through install the second conducting bar in one side that first rack kept away from first gear, first rack passes through second conducting bar slidable mounting on the box, has increased the area of contact of second conducting bar and box, has increased the stability of first rack motion.

6) Through installing first telescopic link in first bearing component bottom, can drive first bearing component through first telescopic link and go up and down to weld the steel construction not co-altitude, satisfy the different user demand of steel construction welding.

Drawings

FIG. 1 is a schematic view of a steel structure welding device according to the present invention.

Fig. 2 is a schematic structural view of a first bearing assembly in a steel structure welding device according to the present invention.

Fig. 3 is a schematic diagram of the internal structure of a box in the steel structure welding device of the invention.

Fig. 4 is a schematic structural view of a rotating mechanism in a steel structure welding device according to the present invention.

Fig. 5 is a schematic structural view of a supporting block in a steel structure welding device according to the present invention.

Fig. 6 is a schematic structural view of a welding mechanism in a welding device for steel structures according to the present invention.

Fig. 7 is a schematic view of the internal structure of a movable block in a steel structure welding device according to the present invention.

In the figure: 1. a work table; 2. a first load bearing assembly; 21. a carrying plate; 22. a first groove; 23. a first slider; 24. a U-shaped frame; 25. a clamping plate; 26. a first spring; 27. a first lead screw; 28. a clamping arm; 29. a carrying frame; 210. a first motor; 211. a two-way threaded rod; 212. a second slider; 213. a first rack; 214. a case; 215. a second motor; 216. a first guide bar; 217. a first gear; 218. a first bevel gear; 219. a second bevel gear; 220. a limit rod; 221. a fixing plate; 222. a second guide bar; 3. a telescopic rod; 4. a second carrier assembly; 5. a vertical plate; 6. a first rotating shaft; 7. a cushion block; 8. a rotating mechanism; 81. a support plate; 82. a third motor; 83. a second gear; 84. a third gear; 85. a connecting rod; 86. a swinging rod; 87. a support block; 88. a connecting plate; 89. a guide rod; 810. a ratchet wheel; 811. a movable rod; 812. a carrying groove; 813. a second spring; 814. a placement groove; 815. a bearing block; 816. a bump; 9. a movable groove; 10. a welding mechanism; 101. an L-shaped rod; 102. a movable block; 103. a third motor; 104. a fourth gear; 105. a second rack; 106. a fourth motor; 107. a second lead screw; 108. a second slider; 109. a second telescopic rod; 110. a welding gun; 111. a second groove; 112. a fifth gear; 113. a second rotating shaft; 114. a fifth motor; 115. and a sixth gear.

Detailed Description

The following description of the embodiments of the present invention will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, in an illustrative embodiment of the invention, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The utility model provides a steel construction welding set, includes workstation 1, first carrier assembly 2 and second carrier assembly 4 are installed to the symmetry on the workstation 1, riser 5 is installed to the both sides that second carrier assembly 4 is close to first carrier assembly 2 one end, and second carrier assembly 4 tip is installed on riser 5 of both sides through first pivot 6 rotation, and the one end below that riser 5 was kept away from to second carrier assembly 4 is equipped with cushion 7, cushion 7 is installed on workstation 1, and second carrier assembly 4 tip overlap joint is on cushion 7, and rotary mechanism 8 is installed to one side of second carrier assembly 4, rotary mechanism 8 is connected with first pivot 6, and movable groove 9 has been seted up to one side of the workstation between first carrier assembly 2 and the second carrier assembly 4, the internally mounted of movable groove 9 has welding mechanism 10.

The first bearing component 2 and the second bearing component 4 have the same structure and both comprise a bearing plate 21, a fixing mechanism, a moving mechanism and a clamping mechanism, wherein the clamping mechanism is arranged at one end of the bearing plate 21, the fixing mechanism is arranged at the other end of the bearing plate 21, a first groove 22 is formed in the middle of the bearing plate 21, the moving mechanism is arranged in the first groove 22 and is connected with the moving mechanism, the moving mechanism comprises a first lead screw 27 and a second motor 215, the first lead screw 27 is rotatably arranged in the first groove 22, a first sliding block 23 is arranged on the first lead screw 27 in a threaded manner, the fixing mechanism is arranged on the first sliding block 23, the second motor 215 is arranged at one end of the bearing plate 21 far away from the clamping mechanism, the output shaft of second motor 215 is connected with first lead screw 27, drives first lead screw 27 through second motor 215 work and rotates in first recess 22, and the first slider 23 that is located on first lead screw 27 drives fixed establishment and removes to can weld the steel construction of different length, enlarged the application range of device, fixture includes U type frame 24, a plurality of first springs 26 are all symmetrically installed to the inside both sides of U type frame 24, installs same grip block 25 jointly with the tip of the first spring 26 of one side, through placing the one end of steel construction between two grip blocks 25, realizes the location of steel construction tip under the effect of first spring 26.

The fixing mechanism comprises a bearing frame 29, a first motor 210, a bidirectional threaded rod 211, a box 214, a first gear 217, a first bevel gear 218 and a second bevel gear 219, wherein the bearing frame 29 is arranged on a first sliding block 23, the bidirectional threaded rod 211 is rotatably arranged on the upper parts of two side walls of the bearing frame 29, second sliding blocks 212 are arranged on different thread sections of the bidirectional threaded rod 211 in a threaded manner, a first guide bar 216 is arranged on one side, close to the bearing frame 29, of the second sliding block 212, a clamping arm 28 is arranged on one side, far away from the first guide bar 216, of the second sliding block 212, a guide groove matched with the first guide bar 216 is formed in the bearing frame 29, the first motor 210 is arranged on one side of the bearing frame 29, an output shaft is connected with the bidirectional threaded rod 211, the box 214 is arranged above the middle part of the bearing frame 29, the middle part of the bidirectional threaded rod 211 is rotatably connected with the box 214, a second bevel gear 219 is arranged on the bidirectional threaded rod 211 positioned in the box 214, a first bevel gear 218 is meshed with one side of the second bevel gear 219, a first gear 217 is arranged on one side of the first bevel gear 218, the first gear 217 and the first bevel gear 218 are coaxially and rotatably arranged on the box 214, first racks 213 are symmetrically meshed with two sides of the first gear 217, through holes for the first racks 213 to pass through are formed on the box 214, the first racks 213 are in sliding connection with the box 214, a limiting rod 220 for preventing the first racks 213 from separating from the first gears 217 is arranged at one end of the first racks 213, a fixing plate 221 for fixing a steel structure is arranged at the other end of the first racks 213, the bidirectional threaded rod 211 is driven to rotate by the operation of a first motor 210, two second sliding blocks 212 positioned on the bidirectional threaded rod 211 are close to each other, and a clamping arm 28 positioned on the second sliding blocks 212 moves along with the first racks to clamp the end parts of the steel structure, meanwhile, the second bevel gear 219 located on the bidirectional threaded rod 211 rotates to be meshed with the first bevel gear 218 to drive the first bevel gear 218 to rotate, and as the first gear 217 and the first bevel gear 218 are coaxial to further enable the first gear 217 to rotate, the first racks 213 on two sides of the first gear 217 are meshed with the first gear 217 to drive the fixing plates 221 to be close to each other, fixing of the end part of the steel structure is achieved, fixing of the end part of the steel structure in four directions can be achieved through rotation of the bidirectional threaded rod 211, and fixing work efficiency and fixing effect of the steel structure are improved.

The second conducting bar 222 is installed on one side, far away from the first gear 217, of the first rack 213, the first rack 213 is slidably installed on the box 214 through the second conducting bar 222, the contact area between the second conducting bar 222 and the box 214 is increased, and the stability of the movement of the first rack 213 is increased.

The rotating mechanism 8 comprises a supporting plate 81, a third motor 82, a connecting rod 85, a swinging rod 86, a ratchet 810, a movable rod 811, a second spring 813 and a protruding block 816, wherein the supporting plate 81 is arranged on the workbench 1 at one side of the second bearing assembly 4, the third motor 82 is arranged on the upper part of the supporting plate 81, the end part of an output shaft of the third motor 82 penetrates through the supporting plate 81 and is provided with a second gear 83, a third gear 84 is meshed below the second gear 83, the third gear 84 is rotatably arranged on the supporting plate 81, the ratchet 810 and the swinging rod 86 are both arranged at the end part of the first rotating shaft 6, the swinging rod 86 is positioned on one side of the ratchet 810 and the upper part of the swinging rod 86 is provided with a supporting block 87, the swinging rod 86 is rotatably connected with the first rotating shaft 6, the ratchet 810 is fixedly arranged on the first rotating shaft 6, the supporting block 87 is positioned above the ratchet 810, the movable rod 811 is slidingly arranged inside the supporting block 87, the top of the movable rod 811 is provided with a connecting plate 88, one side of the movable rod 811 and the connecting plate 88 are provided with guide rods 89, two sides of the movable rod 811 and the supporting block 87 are provided with bearing grooves 812 matched with the guide rods 89, the guide rods 89 are positioned in one of the bearing grooves 812, the bottom of the supporting block 87 is provided with a placing groove 814, the bottom end of the movable rod 811 is positioned in the placing groove 814 and is provided with a bearing block 815, the bottom of the bearing block 815 is provided with a protruding block 816, the protruding block 816 is in a right-angle trapezoid shape, a second spring 813 is arranged between the bearing block 815 and the top of the placing groove 814 and at the periphery of the movable rod 811, a connecting rod 85 is arranged between the bottom of the swinging rod 86 and the third gear 84, the connecting rod 85 is eccentrically arranged on the third gear 84, the third motor 82 works to drive the second gear 83 to rotate, the third gear 84 is meshed with the second gear 83 to realize rotation, the connecting rod 85 on the third gear 84 rotates along with the swinging rod 86 and drives the swinging rod 86 to reciprocate along the first rotating shaft 6, when the swinging rod 86 rotates anticlockwise, the right-angle edge of the protruding block 816 is clamped with the ratchet wheel 810 and drives the first rotating shaft 6 to rotate, so that the steel structure arranged on the bearing plate 21 rotates by a certain angle, when the swinging rod 86 rotates clockwise, the bevel edge of the protruding block 816 contacts with the ratchet wheel 810, the protruding block 816 moves along the reverse direction of the rotation of the ratchet wheel 810 under the action of the ratchet wheel 810, the protruding block 816 moves up and down under the action of the second spring 813, at the moment, the movable rod 811 and the guide rod 89 synchronously move along with the protruding block 816, when the swinging rod 86 rotates anticlockwise again, the ratchet wheel 810 rotates again until the rotating to a proper angle, when the ratchet wheel 810 needs to rotate reversely, the connecting plate 88 is pulled upwards, the second spring 813 is in a compressed state, the guide rod 89 rotates 180 degrees, the guide rod 89 at this time moves into the other bearing groove 812 after the connecting plate 88 is released, the third motor 82 works to drive the second gear 83 to rotate, the third gear 84 is meshed with the second gear 83 to realize rotation, the connecting rod 85 on the third gear 84 rotates along with the third gear and drives the swinging rod 86 to swing reciprocally along the first rotating shaft 6, when the swinging rod 86 rotates clockwise, the right-angle edge of the protruding block 816 is clamped with the ratchet 810 and drives the first rotating shaft 6 to rotate, so that the steel structure arranged on the bearing plate 21 rotates a certain angle, when the swinging rod 86 rotates anticlockwise, the bevel edge of the protruding block 816 contacts with the ratchet 810, the protruding block 816 moves along the reverse direction of the rotation of the ratchet 810 under the action of the ratchet 810, the protruding block 816 moves up and down under the action of the second spring 813, at this time, the movable rod 811 moves synchronously with the protruding block 816 with the guide rod 89, when the swinging rod 86 rotates clockwise again, when the swinging rod 86 rotates clockwise, until rotated to a suitable angle.

The welding mechanism 10 comprises an L-shaped rod 101, a movable block 102, a third motor 103, a second lead screw 107, a second telescopic rod 109 and a welding gun 110, wherein the movable block 102 is slidably arranged in the movable groove 9, a second groove 111 is formed in the top of the movable block 102, the bottom end of the L-shaped rod 101 is rotatably arranged in the second groove 111 on the movable block 102 through a second rotating shaft 113, a fifth gear 112 is arranged on the second rotating shaft 113, a fifth motor 114 is arranged in the second groove 111 positioned below the second rotating shaft 113, a sixth gear 115 is arranged at the end part of an output shaft of the fifth motor 114, the sixth gear 115 is in meshed connection with the fifth gear 112, the sixth gear 115 is driven to rotate by the operation of the fifth motor 114, the fifth gear 112 is meshed with the sixth gear 115 to drive the second rotating shaft 113 to rotate, the L-shaped rod 101 positioned on the second rotating shaft 113 rotates along with the fifth gear 115 to adjust the angle, a third motor 103 is arranged on one side of the movable block 102, a fourth gear 104 is arranged at the end part of an output shaft of the third motor 103, a second rack 105 is arranged on one side of the top of the movable groove 9, the second rack 105 is connected with the fourth gear 104 in a meshed manner, the third motor 103 works to drive the fourth gear 104 to rotate, the fourth gear 104 is meshed with the second rack 105 to realize the movement of the fourth gear 104, thereby driving the movable block 102 to move along the movable groove 9, the second lead screw 107 is rotatably arranged at the top of the L-shaped rod 101, a second sliding block 108 is arranged on the second lead screw 107 in a threaded manner, a second telescopic rod 109 is arranged at the bottom of the second sliding block 108, a welding gun 110 is arranged at the movable end part of the second telescopic rod 109, the third motor 103 is arranged on one side of the top of the L-shaped rod 101 and the output shaft is connected with the end part of the second lead screw 107, the second lead screw 107 is driven to rotate by the operation of the third motor 103, the second sliding block 108 positioned on the second lead screw 107 moves along the second lead screw 107, the second telescopic rod 109 positioned on the second sliding block 108 and the welding gun 110 move along with the second sliding block, the welding gun 110 can be driven to move by the extension of the second telescopic rod 109, and the whole welding mechanism 10 can be adjusted under the condition of rotating a steel structure, so that the welding mechanism is suitable for welding of different angles of the steel structure.

The first telescopic link 3 is installed to first carrier assembly 2 bottom, can drive first carrier assembly 2 through first telescopic link 3 and go up and down to weld the steel construction not co-altitude, satisfy the different user demand of steel construction welding.

The foregoing is merely illustrative and explanatory of the invention, as it is well within the scope of the invention as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a steel construction welding set, includes the workstation, its characterized in that, first carrier assembly and second carrier assembly are installed to the symmetry on the workstation, the riser is installed to the both sides that second carrier assembly is close to first carrier assembly one end, and second carrier assembly tip is installed on the riser of both sides through first pivot rotation, and the one end below that the riser was kept away from to the second carrier assembly is equipped with the cushion, the cushion is installed on the workstation, and second carrier assembly tip overlap joint is on the cushion, and slewing mechanism is installed to one side of second carrier assembly, slewing mechanism is connected with first pivot, and movable groove has been seted up to one side of the workstation between first carrier assembly and the second carrier assembly, the internally mounted in movable groove has welding mechanism.

2. The steel structure welding device according to claim 1, wherein the first bearing component and the second bearing component have the same structure and comprise a bearing plate, a fixing mechanism, a moving mechanism and a clamping mechanism, the clamping mechanism is installed at one end of the bearing plate, the fixing mechanism is installed at the other end of the bearing plate, a first groove is formed in the middle of the bearing plate, the moving mechanism is installed in the first groove, and the fixing mechanism is connected with the moving mechanism.

3. The welding device for the steel structure according to claim 2, wherein the moving mechanism comprises a first screw rod and a second motor, the first screw rod is rotatably arranged in the first groove, a first sliding block is arranged on the first screw rod in a threaded mode, the fixing mechanism is arranged on the first sliding block, the second motor is arranged on one end, far away from the clamping mechanism, of the bearing plate, and an output shaft of the second motor is connected with the first screw rod.

4. The welding device for the steel structure according to claim 2, wherein the clamping mechanism comprises a U-shaped frame, a plurality of first springs are symmetrically arranged on two sides of the inner portion of the U-shaped frame, and the same clamping plate is commonly arranged at the end portions of the first springs on the same side.

5. The steel structure welding device according to claim 2, wherein the fixing mechanism comprises a bearing frame, a first motor, a bidirectional threaded rod, a box body, a first gear, a first bevel gear and a second bevel gear, the bearing frame is installed on the first sliding block, the bidirectional threaded rod is rotatably installed on the upper portions of two side walls of the bearing frame, the second sliding block is installed on different thread sections of the bidirectional threaded rod through threads, a first guide bar is installed on one side, close to the bearing frame, of the second sliding block, a clamping arm is installed on one side, far away from the first guide bar, of the second sliding block, a guide groove matched with the first guide bar is formed in the bearing frame, the first motor is installed on one side of the bearing frame and is connected with the bidirectional threaded rod, the box body is installed above the middle of the bearing frame, the middle of the bidirectional threaded rod is rotatably connected with the box body, a second bevel gear is installed on the bidirectional threaded rod inside the box body, a first bevel gear is meshed with one side of the second bevel gear, a first gear is arranged on one side of the first bevel gear, a first gear is coaxially rotated with the first bevel gear, a first rack is installed on the first box body, a first gear is symmetrically meshed with the first gear is installed on the first box body, and the first end is fixedly connected with the first gear, and the first end is prevented from being separated from the first gear and the first end.

6. The welding device for the steel structure according to claim 1, wherein the welding mechanism comprises an L-shaped rod, a movable block, a third motor, a second screw rod, a second telescopic rod and a welding gun, the movable block is slidably mounted in a movable groove, a second groove is formed in the top of the movable block, the bottom end of the L-shaped rod is rotatably mounted in the second groove on the movable block through a second rotating shaft, a fifth gear is mounted on the second rotating shaft, a fifth motor is mounted in the second groove below the second rotating shaft, a sixth gear is mounted at the end part of an output shaft of the fifth motor, the sixth gear is in meshed connection with the fifth gear, a third motor is mounted at one side of the movable block, a fourth gear is mounted at the end part of an output shaft of the third motor, a second rack is mounted at one side of the top of the movable groove, the second rack is in meshed connection with the fourth gear, the second screw rod is rotatably mounted at the top of the L-shaped rod, a second upper thread is provided with a second slider, a fifth gear is mounted at the bottom of the second slider, a sixth gear is mounted at the end part of the second motor is in meshed connection with the fifth gear, the end part of the telescopic rod is mounted at the end part of the second screw rod is mounted at one side of the movable rod.

7. The welding device for steel structures according to claim 5, wherein the second guide bar is mounted on a side of the first rack away from the first gear, and the first rack is slidably mounted on the case through the second guide bar.

8. The steel structure welding device according to claim 1, wherein the first telescopic rod is mounted at the bottom of the first bearing assembly.