A kind of building steel structure prefabrication welding equipment

Abstract

The present invention provides a prefabricated welding device for building steel structures, which relates to the technical field of pre-welding, and comprises an equipment track base plate and a steel structure docking assembly, wherein two equipment moving tracks are fixedly installed on the upper end of the equipment track base plate, a plurality of steel structure docking assemblies are arranged on the equipment moving tracks, a plurality of equipment laying sleepers are laid on the lower end of the equipment track base plate, a plurality of welding track support columns are arranged on the upper surfaces of both ends of the equipment laying sleepers, and each of the welding track support columns is provided with a welding track connecting foot; the present invention places a tubular steel structure on the steel structure docking assembly and adjusts the height and inclination of each position through a control structure on the steel structure docking assembly, and adjusts the welding assembly to the connection point by adjusting, and welds several fixed points by welding to complete the steel structure docking, and then performs seam joining by a precision welding gun, so that the welding position is both accurate and stable.

Description

Technical Field

[0001] The invention relates to the technical field of pre-welding, in particular to prefabricated welding equipment for building steel structures. Background Art

[0002] Welding, also known as fusion or melting, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. For example, a steel structure stand auxiliary support welding device with application number CN202310015846.1 connects two steel structures through an auxiliary structure. However, when the structures are connected, only the I-beams can be supported, and it cannot be guaranteed that each support point will calibrate the steel structure to the correct position during clamping. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a prefabricated welding device for building steel structures, which solves the problems raised in the background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a prefabricated welding equipment for building steel structure, comprising an equipment track bottom plate and a steel structure docking assembly, two equipment moving tracks are fixedly installed on the upper end of the equipment track bottom plate, a plurality of steel structure docking assemblies are arranged on the equipment moving tracks, a plurality of equipment laying sleepers are laid on the lower end of the equipment track bottom plate, a plurality of welding track support columns are arranged on the upper surfaces of both ends of the equipment laying sleepers, and each of the welding track support columns is provided with a welding track connecting foot;

[0005] A welding track frame is provided between the welding track connecting legs, two welding tracks are provided inside the welding track frame, and an adjusting welding assembly is provided on the welding track;

[0006] The steel structure docking assembly includes a docking truss, and two groups of adjustable fixed angle irons are fixedly installed on the upper end surface of the docking truss, each group of the adjustable fixed angle irons has two, and two angle iron support plates are integrally arranged on the outer side of each of the adjustable fixed angle irons, and an adjustable cover rotating shaft is arranged between each group of the adjustable fixed angle irons;

[0007] A docking adjustment cover is rotatably mounted on the rotation axis of the adjustment cover and between the two adjustment fixed angle irons, and material contact roller group shaft holes are opened on both sides of the docking adjustment cover, and a material contact roller group is rotatably mounted in the material contact roller group shaft holes;

[0008] The outer end of the docking adjustment cover is integrally provided with two adjustment cylinder upper mounting plates, a cylinder connecting shaft is rotatably mounted between the two adjustment cylinder upper mounting plates, an adjustment support cylinder is arranged at the lower end of the cylinder connecting shaft, an adjustment cylinder lower connecting shaft is arranged at the lower end of the adjustment support cylinder, the adjustment cylinder lower connecting shaft is rotatably mounted in the cylinder lower mounting groove, and the cylinder lower mounting groove is provided on the upper end surface of the docking truss;

[0009] The material contact roller group comprises: a roller group connecting shaft, a roller group body, a roller group side plate, a supporting cross bone, a rotating ring bone, and a supporting soft rubber;

[0010] A roller group connecting shaft is arranged in the shaft hole of the material contact roller group, a roller group main body is integratedly arranged on the side of the roller group connecting shaft, roller group side plates are integratedly arranged on both sides of the roller group main body, a plurality of supporting cross bones are arranged between two of the roller group side plates, a plurality of rotating ring bones are integrated on the supporting cross bones, and a supporting soft rubber is rotatably sleeved on the rotating ring bones at the intervals between each supporting cross bone;

[0011] The adjustable welding assembly includes: a welding top rail trolley, a trolley control box, a trolley limit slot, a trolley lifting cylinder, a flip motor, a first flip electric rail, a second flip electric rail, an electric lifting and retracting seat, an electric rotating base, and a flip welding gun;

[0012] The welding top rail trolley is provided with trolley limit grooves above both ends, a trolley control box is provided above the welding top rail trolley, a trolley lifting cylinder is provided at the lower end of the welding top rail trolley, a flip motor is fixedly installed on the output end of the trolley lifting cylinder, an electric rotating base is rotatably installed on the output shaft of the flip motor, a first flip electric rail is rotatably installed on the electric rotating base through an electric shaft, and a second flip electric rail is rotatably installed at the lower end of the first flip electric rail through an electric shaft;

[0013] The first flip electric rail and the second flip electric rail are both provided with electric telescopic seats, and the inner end of each electric telescopic seat is provided with a flip welding gun.

[0014] Preferably, two limiting grooves are provided at the lower end of the welding track frame, and a plurality of welding sleepers are arranged between the welding track frames.

[0015] As a preferred embodiment, the steel structure docking assembly further comprises: a docking assembly moving base, a lifting cylinder base, a base connecting beam, a docking lifting cylinder, a docking truss side frame, and;

[0016] Two base connecting beams are integrally arranged on the mobile base of the docking assembly, a lifting cylinder base is fixedly installed on each of the mobile bases of the docking assembly, a docking lifting cylinder is fixedly installed on the upper end of each lifting cylinder base, a docking truss side frame is fixedly installed on the output end of the docking lifting cylinder, and a docking truss is integrally arranged between the two docking truss side frames.

[0017] Preferably, two joystick anti-touch side plates are fixedly installed on the side of one of the docking truss side frames, a docking control panel is fixedly installed on the side of the docking truss side frame and located between the two joystick anti-touch side plates, two docking control rods are arranged on the outer surface of the docking control panel, and a locking button is also arranged on the outer surface of the docking control panel;

[0018] A control cabinet is fixedly installed at the lower end of the docking truss, and cabinet heat dissipation nets are fixedly installed on both sides of the control cabinet;

[0019] The control signal of the docking control lever is transmitted to the two docking lifting cylinders and the two adjustment support cylinders through the control cabinet. After the support is adjusted, the locking button is pressed to disconnect the control signal of the docking control lever, thereby fixing the docking position.

[0020] Preferably, track grooves are provided on both sides of the docking component movable base, a plurality of track movable motors are arranged in the docking component movable base, connecting wire grooves are arranged between the track movable motors, and a track movable wheel is arranged at the lower end of each track movable motor.

[0021] The present invention provides a prefabricated welding device for building steel structures. It has the following beneficial effects:

[0022] (1) The present invention places a circular tubular steel structure on a steel structure docking assembly and adjusts the height and inclination of each position through a control structure on the steel structure docking assembly, and adjusts the welding assembly to the connection point, and welds several fixed points by welding to complete the steel structure docking, and then uses a precision welding gun to close the seam, so that the welding position is both accurate and stable;

[0023] (2) The present invention places a tubular steel structure on a material contact roller group, supports it through a plurality of supporting soft rubbers on the side of the material contact roller group, and then controls the lifting and lowering of two docking lifting cylinders and two adjusting support cylinders through a docking control lever. The height of the support here can be controlled by the docking lifting cylinder, and the flip angle of the docking adjustment cover can be controlled by the adjusting support cylinder, so that the clamping and supporting distance between the two material contact roller groups can be controlled. The roller group connecting shaft rotates on the shaft hole of the material contact roller group, so as to adapt to the contact with the steel structure during adjustment;

[0024] The control cabinet transmits the control signal of the control lever to the two docking lifting cylinders and the two adjustment support cylinders. After the support is adjusted, the locking button is pressed to disconnect the control signal of the control lever, so that the docking position can be fixed.

[0025] (3) The present invention uses a lifting cylinder to raise and lower the height position of the flip motor at the lower end, and drives the electric rotation between the electric rotating base and the first flip electric rail and the second flip electric rail to adjust the angle between the first flip electric rail and the second flip electric rail, so that two flip welding guns can be used for welding, and the welding distance of the flip welding gun can be fine-tuned by the electric lifting and retracting base. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 It is a structural schematic diagram of another perspective of the present invention;

[0028] Figure 3 It is a structural schematic diagram of the steel structure docking assembly in the present invention;

[0029] Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0030] Figure 5 For the present invention Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0031] Figure 6 It is a structural schematic diagram of the steel structure docking assembly in another perspective of the present invention;

[0032] Figure 7 It is a structural schematic diagram of the material contact roller group in the present invention;

[0033] Figure 8 It is a structural schematic diagram of the material contact roller group in the present invention from another perspective;

[0034] Fig. 9 It is a schematic diagram of the structure of adjusting the welding assembly in the present invention;

[0035] Fig.10 It is a structural schematic diagram of adjusting the welding assembly from another viewing angle in the present invention.

[0036] Among them, 1. Equipment track bottom plate; 2. Equipment moving track; 3. Steel structure docking assembly; 301. Docking assembly moving base; 302. Lifting cylinder base; 303. Base connecting beam; 304. Docking lifting cylinder; 305. Docking truss side frame; 306. Docking truss; 307. Control cabinet; 308. Cabinet heat dissipation net; 309. Track groove; 310. Joystick anti-touch side plate; 311. Docking control console; 312. Docking control lever; 313. Lock button; 314. Adjustment and fixing angle iron; 315. Angle iron support plate; 316. Adjustment cover rotating shaft; 317. Docking adjustment cover; 318. Material contact roller group shaft hole; 319. Material contact roller group; 3191. Roller group connecting shaft; 3192. Roller group body; 3193. Roller group side plate; 3194. Support cross bone; 3195. Rotating ring bone; 3196, supporting soft rubber; 320, adjusting the upper mounting plate of the cylinder; 321, cylinder connecting shaft; 322, cylinder lower mounting groove; 323, adjusting the lower connecting shaft of the cylinder; 324, adjusting the supporting cylinder; 325, connecting wire groove; 326, track moving motor; 327, track moving wheel; 4, equipment laying sleepers; 5, welding track support column; 6, welding track connecting foot; 7, welding track frame; 8, welding track; 9, welding sleeper; 10, limiting groove; 11, adjusting welding assembly; 1101, welding top rail trolley; 1102, top car control box; 1103, trolley limiting groove; 1104, top car lifting cylinder; 1105, flip motor; 1106, first flip electric rail; 1107, second flip electric rail; 1108, electric lifting and retracting seat; 1109, electric rotating base; 1110, flip welding gun. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] like Figure 1 to Figure 2As shown, an embodiment of the present invention provides a prefabricated welding equipment for building steel structures, including an equipment track base plate 1 and a steel structure docking assembly 3, two equipment moving rails 2 are fixedly installed on the upper end of the equipment track base plate 1, and a plurality of steel structure docking assemblies 3 are arranged on the equipment moving rails 2, and a plurality of equipment laying sleepers 4 are laid on the lower end of the equipment track base plate 1, and a plurality of welding track support columns 5 are arranged on the upper surfaces of both ends of the equipment laying sleepers 4, and each of the welding track support columns 5 is provided with a welding track connecting foot 6; a welding track frame 7 is arranged between the welding track connecting feet 6, and two welding rails 8 are arranged on the inner side of the welding track frame 7, and an adjusting welding assembly 11 is arranged on the welding track 8, and two limiting grooves 10 are opened at the lower end of the welding track frame 7, and a plurality of welding sleepers 9 are arranged between the welding track frames 7.

[0039] In the above technical solution, the tubular steel structure is placed on the steel structure docking assembly 3 and the height and inclination of each position are adjusted by the control structure on the steel structure docking assembly 3, and the welding assembly 11 is adjusted to the connection point. Several fixed points are welded by welding to complete the steel structure docking, and then the seams are joined by a precision welding gun, so that the welding position is accurate and stable.

[0040] like Figure 1 , Figures 3 to 6As shown, the steel structure docking component 3 includes: a docking component mobile base 301, a lifting cylinder base 302, a base connecting beam 303, a docking lifting cylinder 304, a docking truss side frame 305, and a docking truss 306; two base connecting beams 303 are integrated on the docking component mobile base 301, a lifting cylinder base 302 is fixedly installed on each of the docking component mobile bases 301, a docking lifting cylinder 304 is fixedly installed on the upper end of each of the lifting cylinder bases 302, a docking truss side frame 305 is fixedly installed on the output end of the docking lifting cylinder 304, and a docking truss is integrated between the two docking truss side frames 305. The docking truss 306 is provided with two sets of adjustment fixing angle irons 314 fixedly mounted on the upper end surface of the docking truss 306, and each set of the adjustment fixing angle irons 314 has two sets of adjustment fixing angle irons 314, and each of the adjustment fixing angle irons 314 has two angle iron support plates 315 integrally mounted on the outer side of each adjustment fixing angle iron 314, and each set of the adjustment fixing angle irons 314 has two sets of adjustment fixing angle irons 314, and each set of the adjustment fixing angle irons 314 has two angle iron support plates 315 integrally mounted on the outer side of each adjustment fixing angle iron 314, and each set of the adjustment fixing angle irons 314 has two sets of adjustment fixing angle irons 314, and each set of the adjustment fixing angle irons 314 has two angle iron support plates 315 integrally mounted on the outer side of each set of the adjustment fixing angle irons ... An adjusting cover rotating shaft 316 is arranged between the fixed angle irons 314; a docking adjusting cover 317 is rotatably installed on the adjusting cover rotating shaft 316 and located between the two adjusting fixed angle irons 314, and a material contact roller group shaft hole 318 is opened on both sides of the docking adjusting cover 317, and a material contact roller group 319 is rotatably installed in the material contact roller group shaft hole 318; two adjusting cylinder upper mounting plates 320 are integrally arranged on the outer end of the docking adjusting cover 317, and a cylinder connecting shaft 321 is rotatably installed between the two adjusting cylinder upper mounting plates 320, and an adjusting support cylinder 324 is arranged at the lower end of the cylinder connecting shaft 321, and an adjusting support cylinder 324 is arranged at the lower end of the adjusting support cylinder 324. The lower connecting shaft 323 of the throttling cylinder is rotatably mounted in the lower mounting groove 322 of the cylinder. The lower mounting groove 322 of the cylinder is provided on the upper surface of the docking truss 306. A control cabinet 307 is fixedly installed at the lower end of the docking truss 306. Cabinet heat dissipation nets 308 are fixedly installed on both sides of the control cabinet 307. Track grooves 309 are provided on both sides of the docking component moving base 301. A plurality of track moving motors 326 are provided in the docking component moving base 301. A connecting wire groove 325 is provided between each of the track moving motors 326. A track moving wheel 327 is provided at the lower end of each of the track moving motors 326.

[0041] like Figure 5 , Figure 7 , Figure 8As shown, the material contact roller group 319 includes: a roller group connecting shaft 3191, a roller group body 3192, a roller group side plate 3193, a supporting cross bone 3194, a rotating ring bone 3195, and a supporting soft rubber 3196; the roller group connecting shaft 3191 is arranged in the material contact roller group shaft hole 318, the roller group connecting shaft 3191 side is integrated with the roller group body 3192, both sides of the roller group body 3192 are integrated with roller group side plates 3193, a plurality of supporting cross bones 3194 are arranged between two of the roller group side plates 3193, a plurality of rotating ring bones 3195 are integrated on the supporting cross bones 3194, and a supporting soft rubber 3196 is rotatably sleeved on the rotating ring bones 3195 at the interval between each supporting cross bone 3194, and the supporting soft rubber 3196 is elastic and has a stable supporting force.

[0042] In the above technical solution, a tubular steel structure is placed on the material contact roller group 319, and supported by a plurality of supporting soft rubbers 3196 on the side of the material contact roller group 319, and then the two docking lifting cylinders 304 and the two adjusting support cylinders 324 are controlled to rise and fall by the docking control lever 312. The height of the support here can be controlled by the docking lifting cylinder 304, and the flip angle of the docking adjustment cover 317 can be controlled by adjusting the support cylinder 324, so that the clamping and supporting distance between the two material contact roller groups 319 can be controlled, and the roller group connecting shaft 3191 rotates on the material contact roller group shaft hole 318, so as to adapt to the contact with the steel structure during adjustment;

[0043] The control signal of the docking control rod 312 is transmitted to the two docking lifting cylinders 304 and the two adjustment support cylinders 324 through the control cabinet 307. After the support is adjusted, the locking button 313 is pressed to disconnect the control signal of the docking control rod 312, so that the docking position can be fixed.

[0044] like Figure 1 , Fig. 9 , Fig.10As shown, the adjustment welding assembly 11 includes: a welding top rail trolley 1101, a trolley control box 1102, a trolley limiting groove 1103, a trolley lifting cylinder 1104, a flip motor 1105, a first flip electric rail 1106, a second flip electric rail 1107, an electric telescopic seat 1108, an electric rotating base 1109, and a flip welding gun 1110; trolley limiting grooves 1103 are provided above both ends of the welding top rail trolley 1101, a trolley control box 1102 is provided above the welding top rail trolley 1101, and a trolley lifting cylinder 1104 is provided at the lower end of the welding top rail trolley 1101. 04. A flip motor 1105 is fixedly installed on the output end of the top car lifting cylinder 1104, and an electric rotating base 1109 is rotatably installed on the output shaft of the flip motor 1105. A first flip electric rail 1106 is rotatably installed on the electric rotating base 1109 through an electric shaft, and a second flip electric rail 1107 is rotatably installed on the lower end of the first flip electric rail 1106 through an electric shaft. Electric lifting and retracting seats 1108 are provided on the first flip electric rail 1106 and the second flip electric rail 1107, and a flip welding gun 1110 is provided at the inner end of each electric lifting and retracting seat 1108.

[0045] In the above technical solution, the height position of the flip motor 1105 at the lower end is raised and lowered by the top car lifting cylinder 1104, and the electric rotation between the electric rotating base 1109 and the first flip electric rail 1106 and the second flip electric rail 1107 is driven to adjust the angle between the first flip electric rail 1106 and the second flip electric rail 1107, so that the two flip welding guns 1110 can be welded, and the welding distance of the flip welding gun 1110 can be fine-tuned by the electric telescopic seat 1108.

[0046] Working principle:

[0047] The present invention places a tubular steel structure on a steel structure docking assembly 3 and adjusts the height and inclination of each position through a control structure on the steel structure docking assembly 3, and adjusts the welding assembly 11 to the connection position, and welds several fixed points through welding to complete the steel structure docking, and then uses a precision welding gun to close the seam, so that the welding position is both accurate and stable;

[0048] Among them, by placing a tubular steel structure on the material contact roller group 319, supporting it through a number of supporting soft rubbers 3196 on the side of the material contact roller group 319, and then controlling the lifting and lowering of two docking lifting cylinders 304 and two adjusting support cylinders 324 through the docking control rod 312, the height of the support here can be controlled by the docking lifting cylinder 304, and the flip angle of the docking adjustment cover 317 can be controlled by adjusting the support cylinder 324, so that the clamping and supporting distance between the two material contact roller groups 319 can be controlled, and the roller group connecting shaft 3191 rotates on the material contact roller group shaft hole 318, so as to adapt to the contact with the steel structure during adjustment;

[0049] The control cabinet 307 transmits the control signal of the control rod 312 to the two docking lifting cylinders 304 and the two adjustment support cylinders 324. After the support is adjusted, the locking button 313 is pressed to disconnect the control signal of the control rod 312, so that the docking position can be fixed.

[0050] Among them, the height position of the flip motor 1105 at the lower end is raised and lowered by the top car lifting cylinder 1104, and the electric rotation between the electric rotating base 1109 and the first flip electric rail 1106 and the second flip electric rail 1107 is driven to adjust the angle between the first flip electric rail 1106 and the second flip electric rail 1107, so that two flip welding guns 1110 can be welded, and the welding distance of the flip welding gun 1110 can be fine-tuned by the electric lifting and retracting seat 1108. Obviously, the above embodiments of the present invention are only examples for clearly explaining the present invention, and are not limitations on the embodiments of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the embodiments here. All obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.

Claims

1. A prefabricated welding device for building steel structures, comprising a device track base plate (1) and a steel structure docking assembly (3), characterized in that: Two equipment moving rails (2) are fixedly mounted on the upper end of the equipment rail base plate (1), a plurality of steel structure docking components (3) are arranged on the equipment moving rails (2), a plurality of equipment laying rail sleepers (4) are laid on the lower end of the equipment rail base plate (1), a plurality of welded rail support columns (5) are arranged on the upper surfaces of both ends of the equipment laying rail sleepers (4), and each of the welded rail support columns (5) is provided with a welded rail connecting foot (6); A welding track frame (7) is arranged between the welding track connecting legs (6), two welding tracks (8) are arranged inside the welding track frame (7), and an adjusting welding assembly (11) is arranged on the welding track (8); The steel structure docking assembly (3) comprises a docking truss (306), wherein two groups of adjustable fixed angle irons (314) are fixedly mounted on the upper end surface of the docking truss (306), each group of the adjustable fixed angle irons (314) having two, and two angle iron support plates (315) are integrally arranged on the outer side of each of the adjustable fixed angle irons (314), and an adjustable cover rotating shaft (316) is arranged between each group of the adjustable fixed angle irons (314); A docking adjustment cover (317) is rotatably mounted on the adjustment cover rotation shaft (316) and located between the two adjustment fixing angle irons (314); material contact roller group shaft holes (318) are provided on both sides of the docking adjustment cover (317); and a material contact roller group (319) is rotatably mounted in the material contact roller group shaft holes (318); Two adjusting cylinder upper mounting plates (320) are integrally provided at the outer end of the docking adjustment cover (317); a cylinder connecting shaft (321) is rotatably mounted between the two adjusting cylinder upper mounting plates (320); an adjusting support cylinder (324) is provided at the lower end of the cylinder connecting shaft (321); an adjusting cylinder lower connecting shaft (323) is provided at the lower end of the adjusting support cylinder (324); the adjusting cylinder lower connecting shaft (323) is rotatably mounted in a cylinder lower mounting groove (322); and the cylinder lower mounting groove (322) is provided on the upper end surface of the docking truss (306); The material contact roller group (319) comprises: a roller group connecting shaft (3191), a roller group main body (3192), a roller group side plate (3193), a supporting cross bone (3194), a rotating ring bone (3195), and a supporting soft rubber (3196); A roller group connecting shaft (3191) is arranged in the shaft hole (318) of the material contact roller group, a roller group main body (3192) is integrally arranged on the side of the roller group connecting shaft (3191), roller group side plates (3193) are integrally arranged on both sides of the roller group main body (3192), a plurality of supporting cross bones (3194) are arranged between two of the roller group side plates (3193), a plurality of rotating ring bones (3195) are integrally arranged on the supporting cross bones (3194), and a supporting soft rubber (3196) is rotatably sleeved on the rotating ring bones (3195) at the intervals between each supporting cross bone (3194); The adjustable welding assembly (11) comprises: a welding top rail trolley (1101), a trolley control box (1102), a trolley limit slot (1103), a trolley lifting cylinder (1104), a flip motor (1105), a first flip electric rail (1106), a second flip electric rail (1107), an electric telescopic seat (1108), an electric rotating base (1109), and a flip welding gun (1110); Both ends of the welding top rail trolley (1101) are provided with trolley limit grooves (1103), a trolley control box (1102) is provided above the welding top rail trolley (1101), a trolley lifting cylinder (1104) is provided at the lower end of the welding top rail trolley (1101), a flip motor (1105) is fixedly mounted on the output end of the trolley lifting cylinder (1104), an electric rotating base (1109) is rotatably mounted on the output shaft of the flip motor (1105), a first flip electric rail (1106) is rotatably mounted on the electric rotating base (1109) via an electric shaft, and a second flip electric rail (1107) is rotatably mounted on the lower end of the first flip electric rail (1106) via an electric shaft; The first flip electric rail (1106) and the second flip electric rail (1107) are both provided with electric telescopic seats (1108), and a flip welding gun (1110) is provided at the inner end of each electric telescopic seat (1108).

2. A building steel structure prefabrication welding equipment according to claim 1, characterized in that: Two limiting grooves (10) are provided at the lower end of the welding track frame (7), and a plurality of welding rail sleepers (9) are arranged between the welding track frames (7).

3. A building steel structure prefabrication welding equipment according to claim 2, characterized in that: The steel structure docking assembly (3) further comprises: a docking assembly moving base (301), a lifting cylinder base (302), a base connecting crossbeam (303), a docking lifting cylinder (304), and a docking truss side frame (305); Two base connecting crossbeams (303) are integrally arranged on the docking assembly mobile base (301); a lifting cylinder base (302) is fixedly mounted on each docking assembly mobile base (301); a docking lifting cylinder (304) is fixedly mounted on the upper end of each lifting cylinder base (302); a docking truss side frame (305) is fixedly mounted on the output end of the docking lifting cylinder (304); and a docking truss (306) is integrally arranged between the two docking truss side frames (305).

4. A building steel structure prefabrication welding equipment according to claim 3, characterized in that: Two joystick anti-touch side plates (310) are fixedly installed on the side of one of the docking truss side frames (305); a docking control panel (311) is fixedly installed on the side of the docking truss side frame (305) and located between the two joystick anti-touch side plates (310); two docking control rods (312) are arranged on the outer surface of the docking control panel (311); and a locking button (313) is also arranged on the outer surface of the docking control panel (311); A control cabinet (307) is fixedly mounted on the lower end of the docking truss (306), and cabinet heat dissipation nets (308) are fixedly mounted on both sides of the control cabinet (307); The control signal of the docking control rod (312) is transmitted to the two docking lifting cylinders (304) and the two adjustment support cylinders (324) through the control cabinet (307). After the support is adjusted, the locking button (313) is pressed to disconnect the control signal of the docking control rod (312), thereby fixing the docking position.

5. The building steel structure prefabrication welding equipment according to claim 3 is characterized in that: Track grooves (309) are provided on both sides of the docking assembly moving base (301), a plurality of track moving motors (326) are arranged in the docking assembly moving base (301), connecting wire grooves (325) are arranged between the track moving motors (326), and a track moving wheel (327) is arranged at the lower end of each track moving motor (326).

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