A building steel structure welding device

By designing a welding device suitable for building steel structures, including horizontal and vertical beam fastening modules and a welding guide mechanism, the problem of insufficient welding precision for square steel pipes of different sizes was solved, achieving efficient and stable welding results.

CN120362835BActive Publication Date: 2026-03-27SHENZHEN SHUANGRUN JIANAN ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-06-25
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing steel structure welding equipment is difficult to adapt to square steel pipes of different sizes, resulting in insufficient welding accuracy and applicability.

Method used

A welding device for building steel structures was designed, comprising a frame, a crossbeam fastening module, a vertical beam fastening module, and a welding guide mechanism. It can provide circular and rectangular paths of different sizes for the welding gun, and ensures stable movement and precise positioning of the welding gun through adjustable telescopic rods and steering components.

Benefits of technology

The welding equipment has been improved in its applicability to square steel pipes of different sizes and its welding accuracy, ensuring the stability and efficiency of welding quality.

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Abstract

The application relates to the technical field of welding devices, in particular to a building steel structure welding device. The technical scheme comprises a rack, further comprises a cross beam fastening module and a vertical beam fastening module installed on the rack, a cross beam is fixed on the cross beam fastening module, a vertical beam is fastened on the vertical beam fastening module, the cross beam fastening module and the vertical beam fastening module respectively fix and position the cross beam and the vertical beam, a welding guide mechanism is arranged, a welding gun is installed on the welding guide mechanism, the welding guide mechanism guides the moving path of the welding gun, and the welding guide mechanism provides different sizes of circular and rectangular paths for the welding gun. The welding guide mechanism can be applied to different sizes of square steel pipes and round steel pipes, different sizes of circular and rectangular paths are provided for the welding gun, the accuracy during vertical welding can be ensured, the welding quality is guaranteed, and the applicability of the welding device is greatly improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding device, especially to a building steel structure welding device. BACKGROUND

[0002] In the field of construction, steel structure is widely used due to its high strength, lightweight, fast construction speed and other advantages. Especially in large-span space, super high-rise building and industrial plant, multiple steel pipes are welded to form a complex stress system, forming a stable and reliable structure network. The building steel structure welding device is the key equipment to ensure the connection strength of steel structure and engineering quality.

[0003] In the building steel structure, vertical welding of two square steel pipes is a common and key connection method, which can be used as a vertical connection point of columns and beams, supporting the roof and crane load, and can also be used for the connection of inter-floor columns and main beams of office buildings, shopping malls and other buildings to transfer vertical and horizontal forces. Unlike circular steel pipes, square steel pipes have a circular trajectory, so the moving trajectory that rotates around a specified circle and a fixed radius is not suitable for square steel pipes, and different sizes of square steel pipes require different trajectories. SUMMARY

[0004] The purpose of the present application is to provide a building steel structure welding device that can provide a specified moving path for the welding gun according to different sizes of square steel pipes.

[0005] The technical solution of the present application is a building steel structure welding device, which comprises a rack and further comprises:

[0006] A cross beam fastening module and a vertical beam fastening module are installed on the rack, a cross beam is fixed on the cross beam fastening module, and a vertical beam is fastened on the vertical beam fastening module. The cross beam fastening module and the vertical beam fastening module respectively fix and position the cross beam and the vertical beam, and keep the cross beam and the vertical beam perpendicular.

[0007] A welding guide mechanism is installed on the welding guide mechanism, and a welding gun is installed on the welding guide mechanism. The welding guide mechanism guides the moving path of the welding gun, and the welding guide mechanism provides different sizes of circular and rectangular paths for the welding gun.

[0008] Optionally, the welding guide mechanism comprises a circular guide disc fixedly installed on the rack, a guide block is slidably installed in the guide disc, a length-adjustable telescopic rod is fixedly installed on the guide block, a connecting seat is fixedly installed on the telescopic rod, and the welding gun is rotatably connected with the connecting seat.

[0009] Optionally, the welding guide mechanism further comprises a rotating shaft fixedly installed on the connecting seat, four groups of frame plates connected to form a rectangle are installed on the frame, the frame plate comprises a length-adjustable supporting shaft fixedly installed on the frame, a base fixedly installed on the supporting shaft, and an extension seat slidingly installed at both ends of the base, one of the bases slidingly installs a connecting block, the rotating shaft is rotationally connected with the connecting block, and a steering assembly for driving the rotating shaft to rotate at the corner is installed on the frame plate.

[0010] Optionally, the steering assembly comprises a gear fixedly installed on the rotating shaft, an arc-shaped rack is fixedly installed at the four corners of the frame plate, the arc-shaped rack is meshed with the gear, and the teeth on the arc-shaped rack are one fourth of the gear teeth.

[0011] Optionally, the telescopic rod comprises a connecting sleeve fixedly installed on the guide block, a sliding rod slidingly installed in the connecting sleeve, the connecting sleeve is fixedly connected with the connecting seat, a waist-shaped hole is arranged on the connecting sleeve, a threaded groove is arranged in the sliding rod, a bolt is threadedly connected in the threaded groove, and a rubber pad is sleeved on the bolt.

[0012] Optionally, the connecting block slidingly installs a supporting shaft at both sides, a roller is rotationally installed on the supporting shaft, and a linkage assembly for driving the rollers at both sides to move synchronously and equidistantly is installed in the connecting block.

[0013] Optionally, the linkage assembly comprises a connecting rod rotationally installed on the supporting shaft, a linkage block slidingly installed in the connecting block through a telescopic shaft, and a spring fixedly installed between the linkage block and the connecting block.

[0014] Optionally, the cross beam fastening module comprises a supporting plate fixedly installed on the frame, a clamping assembly slidingly installed on the supporting plate, the clamping assembly comprises a pressing rod slidingly installed on the supporting plate, a pressing block fixedly installed on the pressing rod, a transmission rod rotationally installed on the pressing rod, two transmission rods are rotationally connected through a synchronous block, a horizontal plate is fixedly installed between the two synchronous blocks, a first push rod motor is fixedly installed on the supporting plate, and an output shaft of the first push rod motor is fixedly connected with the horizontal plate.

[0015] Optionally, the vertical beam fastening module comprises a plurality of optical shafts fixedly installed on the frame, a driving ring slidingly installed on the plurality of optical shafts, a supporting ring fixedly installed on the frame, a plurality of guide rods fixedly installed on the supporting ring, a push rod slidingly installed on the guide rod, a push block fixedly installed at one end of the push rod, a driving strip rotationally installed at the other end of the push rod, the other end of the driving strip is rotationally connected with the driving ring, and a second push rod motor is fixedly installed on the frame, and an output shaft of the second push rod motor is fixedly connected with the driving ring.

[0016] Optionally, the driving ring and the supporting ring are both provided with a notch, and the vertical beam enters the inside of the driving ring and the supporting ring through the notch.

[0017] In summary, the present application includes at least one of the following beneficial technical effects:

[0018] The welding guide mechanism can be applied to square steel pipes and round steel pipes of different sizes, provides round and rectangular paths of different sizes for the welding gun, ensures the accuracy during vertical welding, ensures the welding quality, and greatly improves the applicability of the welding device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Structure diagram of the welding device Figure 1 ;

[0020] Figure 2 Structure diagram of the welding device Figure 2 ;

[0021] Figure 3 Structure diagram of the horizontal beam fastening module

[0022] Figure 4 Structure diagram of the vertical beam fastening module Figure 1 ;

[0023] Figure 2 Structure diagram of the vertical beam fastening module Figure 6 ;

[0024] Figure 7 Structure diagram of the welding guide mechanism

[0025] Figure 8 Structure diagram of the frame plate

[0026] Figure 9 Structure diagram of the connecting block

[0027] Figures 1 to 5 Structure diagram of the telescopic rod

[0028] : 1, beam fastening module; 101, support plate; 102, pressing rod; 103, pressing block; 104, transmission rod; 105, synchronization block; 106, cross plate; 107, first push rod motor; 2, vertical beam fastening module; 201, optical axis; 202, driving ring; 203, support ring; 204, guide rod; 205, push rod; 206, push block; 207, driving bar; 208, second push rod motor; 3, horizontal beam; 4, vertical beam; 5, welding guide mechanism; 501, guide disc; 502, guide block; 503, telescopic rod; 5031, connecting sleeve; 5032, sliding rod; 5033, waist-shaped hole; 5034, threaded groove; 5035, bolt; 5036, rubber pad; 504, connecting seat; 505, rotating shaft; 506, support shaft; 507, base; 508, extension seat; 509, connecting block; 5091, support shaft; 5092, roller; 5093, connecting rod; 5094, linkage block; 5095, telescopic shaft; 5096, spring; 510, gear; 511, arc-shaped rack; 512, lever; 6, welding gun. DETAILED DESCRIPTION

[0029] The technical solutions of the present application are further described below in combination with the drawings and specific embodiments.

[0030] As Figures 6 to 9 shown, the building steel structure welding device provided by the present application comprises a rack, further comprises a horizontal beam fastening module 1 and a vertical beam fastening module 2 installed on the rack, a horizontal beam 3 is fixed on the horizontal beam fastening module 1, and a vertical beam 4 is fastened on the vertical beam fastening module 2, the horizontal beam fastening module 1 and the vertical beam fastening module 2 respectively fix and position the horizontal beam 3 and the vertical beam 4, and make the horizontal beam 3 and the vertical beam 4 keep vertical, when the horizontal beam 3 and the vertical beam 4 are welded, the horizontal beam 3 and the vertical beam 4 need to be positioned first, generally the center of gravity of the vertical beam 4 is aligned with the center of the horizontal beam 3, then fixed, and then welded.

[0031] Further, the beam fastening module 1 comprises a support plate 101 fixedly installed on the rack, and a clamping assembly is slidingly installed on the support plate 101, the clamping assembly comprises a pressing rod 102 slidingly installed on the support plate 101, a pressing block 103 fixedly installed on the pressing rod 102, a transmission rod 104 rotatably installed on the pressing rod 102, two transmission rods 104 are rotatably connected through a synchronous block 105, and a cross plate 106 is fixedly installed between the two synchronous blocks 105; a first push rod motor 107 is fixedly installed on the support plate 101, and the output shaft of the first push rod motor 107 is fixedly connected with the cross plate 106; the two synchronous blocks 105 on the two sides can be synchronously moved by the first push rod motor 107, the pressing rod 102 is moved by the synchronous block 105, and then the pressing rod 102 on the two sides is synchronously moved, the pressing block 103 on the two sides is driven to move close to or away from each other, and then the beam 3 located on the support plate 101 is moved, so that the center of the beam 3 is aligned with the support plate 101 and is pressed and fixed.

[0032] Further, the vertical beam fastening module 2 comprises a plurality of light shafts 201 fixedly installed on the rack, a driving ring 202 slidingly installed on the plurality of light shafts 201, a support ring 203 fixedly installed on the rack, a plurality of guide rods 204 fixedly installed on the support ring 203, a push rod 205 slidingly installed on the guide rod 204, a push block 206 fixedly installed at one end of the push rod 205, a driving strip 207 rotatably installed at the other end of the push rod 205, the other end of the driving strip 207 rotatably connected with the driving ring 202, and a second push rod motor 208 fixedly installed on the rack, and the output shaft of the second push rod motor 208 is fixedly connected with the driving ring 202; when the vertical beam 4 is installed and positioned, the vertical beam is placed above the beam 3, and the second push rod motor 208 is started to drive the driving ring 202 to move along the light shaft 201, the driving ring 202 moves to drive the driving strip 207 to rotate, the driving strip 207 moves to drive the push rod 205 to move, and the four push blocks 206 correspond to the four surfaces of the vertical beam 4, so that the push block 206 is attached to the vertical beam 4, the center of the vertical beam 4 is aligned with the center of the beam 3, and the vertical beam 4 is fixed.

[0033] It is worth noting that when the vertical beam 4 is installed, the vertical beam 4 needs to be lifted and placed inside the driving ring 202 and the support ring 203, the driving ring 202 and the support ring 203 are provided with notches, the vertical beam 4 enters the inside of the driving ring 202 and the support ring 203 through the notches, the vertical beam 4 is prevented from being lifted to a high position and inserted into the inside of the driving ring 202 and the support ring 203 from a high position when the vertical beam is installed, and the manpower and material resources consumed when the vertical beam 4 is installed are reduced.

[0034] As ​As shown, the embodiment also includes a welding guide mechanism 5, a welding gun 6 is installed on the welding guide mechanism 5, the welding guide mechanism 5 guides the movement path of the welding gun 6, the welding guide mechanism 5 provides different sizes of circular and rectangular paths for the welding gun 6, thereby can adapt to square steel pipes and round steel pipes of different sizes, greatly improving the applicability of the welding device.

[0035] Further, the welding guide mechanism 5 includes a circular guide disc 501 fixedly installed on the rack, a guide block 502 is slidably installed in the guide disc 501, a length-adjustable telescopic rod 503 is fixedly installed on the guide block 502, a connecting seat 504 is fixedly installed on the telescopic rod 503, the welding gun 6 is rotatably connected with the connecting seat 504, a lever 512 is fixedly installed on the guide block 502, the guide block 502 can be moved in the guide disc 501 by pulling the lever 512, thereby driving the welding gun 6 to move in a circular manner, and by adjusting the length of the telescopic rod 503, the welding gun 6 can be applied to round steel pipes of different diameters. The rotating connection between the welding gun 6 and the connecting seat 504 should be provided with damping, which can facilitate the adjustment of the angle of the welding gun 6.

[0036] Wherein, the telescopic rod 503 includes a connecting sleeve 5031 fixedly installed on the guide block 502, a sliding rod 5032 is slidably installed in the connecting sleeve 5031, the sliding rod 5032 is fixedly connected with the connecting seat 504, a waist-shaped hole 5033 is arranged on the connecting sleeve 5031, a threaded groove 5034 is arranged in the sliding rod 5032, a bolt 5035 is threadedly connected in the threaded groove 5034, a rubber pad 5036 is sleeved on the bolt 5035, by sliding the sliding rod 5032 in the connecting sleeve 5031, the total length of the telescopic rod 503 can be changed, thereby driving the welding gun 6 to move, when fixing the sliding rod 5032, only need to rotate the bolt 5035 to compress the rubber pad 5036, at this time the pressure between the sliding rod 5032 and the connecting sleeve 5031 will increase, and under the action of friction, the sliding rod 5032 is fixed.

[0037] Further, the welding guide mechanism further comprises a rotating shaft 505 fixedly installed on the connecting seat 504, which needs to be provided in a detachable structure, when the rectangular track is used, the rotating shaft 505 is fixedly connected with the connecting seat 504, otherwise the rotating shaft 505 needs to be disassembled, four groups of frame plates connected with each other to form a rectangle are installed on the rack, the frame plate comprises a length-adjustable supporting shaft 506 fixedly installed on the rack, and a base 507 fixedly installed on the supporting shaft 506, both ends of the base 507 are slidably installed with extension seats 508, one of the bases 507 is slidably installed with a connecting block 509, and the rotating shaft 505 is rotationally connected with the connecting block 509, when the rectangular track is used, the bolt 5035 needs to be loosened to make the telescopic rod 503 freely extend and retract, at this time, the telescopic rod 503 will be extended and retracted under the action of the frame plate when rotating along the guide disc 501, and the connecting seat 504 will move according to the path of the frame plate, so as to drive the welding gun 6 to move along the specified path, so that the welding gun 6 can quickly and accurately weld the square steel pipe, and the length of the supporting shaft 506 can be adjusted according to the size of the square steel pipe, the length adjustment mode of the supporting shaft 506 is prior art, which will not be repeated here, and a steering assembly for driving the rotating shaft 505 to rotate at the corner is installed on the frame plate, so that the welding gun 6 can always face the position to be welded of the square steel pipe.

[0038] In the embodiment, the steering assembly comprises a gear 510 fixedly installed on the rotating shaft 505, and an arc-shaped rack 511 is fixedly installed at four corners of the frame plate, the arc-shaped rack 511 and the gear 510 are meshed with each other, the teeth on the arc-shaped rack 511 are one fourth of the teeth of the gear 510, when the welding gun 6 rotates to the corner of the frame plate, the gear 510 is meshed with the arc-shaped rack 511 and drives the gear 510 to rotate by 90°, so that the welding gun 6 can always face the position to be welded, and the total length of the base 507 and the extension seat 508 is greater than the length of the square steel pipe during welding, so that the welding on one side is completed and the welding gun 6 is separated from the welding position, and then the welding gun 6 is rotated.

[0039] It should be noted that, since the base 507 and the extension base 508 are in sliding connection, there is a certain height difference at the joint of the base 507 and the extension base 508, which can easily cause the connecting block 509 to be stuck and unstable, resulting in unstable movement path of the welding gun 6. By slidingly installing the supporting shaft 5091 on both sides of the connecting block 509, the roller 5092 is rotatably installed on the supporting shaft 5091, and the linkage assembly for driving the two rollers 5092 to move synchronously and equidistantly is installed in the connecting block 509. The linkage assembly includes the connecting rod 5093 rotatably installed on the supporting shaft 5091, the linkage block 5094 is slidably installed in the connecting block 509 through the telescopic shaft 5095, and the spring 5096 is fixedly installed between the linkage block 5094 and the connecting block 509. Under the action of the spring 5096, the roller 5092 always abuts against the inner wall of the base 507 or the extension base 508, and the two rollers 5092 can move synchronously, so that the roller 5092 can smoothly pass through the joint of the base 507 and the extension base 508, and the stability of the connecting block 509 is ensured, thereby ensuring the stability of the welding gun 6.

[0040] In the embodiment, when the cross beam 3 and the vertical beam 4 are welded, the cross beam 3 and the vertical beam 4 need to be positioned first, generally aligning the center of gravity of the vertical beam 4 with the center of the cross beam 3, and then fixed, so as to be welded.

[0041] When the circular steel pipe is welded, the connecting rod 512 is pulled after the rotating shaft 505 is disassembled, so as to drive the guide block 502 to move in the guide disc 501, thereby driving the welding gun 6 to move circularly, and the length of the telescopic rod 503 can be adjusted to be suitable for circular steel pipes of different diameters.

[0042] When the steel pipe is welded, the rotating shaft 505 is fixedly connected with the connecting seat 504, and the bolt 5035 is loosened to make the telescopic rod 503 freely extend and retract. At this time, when the telescopic rod 503 rotates along the guide disc 501, it will extend and retract under the action of the frame plate, and the connecting seat 504 will move according to the path of the frame plate, thereby driving the welding gun 6 to move along the specified path. The welding gun 6 can quickly and accurately weld the square steel pipe, and the length of the supporting shaft 506 can be adjusted according to the size of the square steel pipe to meet the welding requirements of steel pipes of different sizes.

[0043] The above specific embodiments are only several optional embodiments of the present application. Based on the technical solutions of the present application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A building steel structure welding apparatus comprising a frame, characterized in that, Also include: The beam fastening module (1) and the vertical beam fastening module (2) are installed on the rack, the beam fastening module (1) is fixed with the beam (3), the vertical beam fastening module (2) is fastened with the vertical beam (4), the beam fastening module (1) and the vertical beam fastening module (2) are fixed and positioned for the beam (3) and the vertical beam (4) respectively, and the beam (3) and the vertical beam (4) are kept vertical; The welding guide mechanism (5) is installed with the welding gun (6), the welding guide mechanism (5) guides the moving path of the welding gun (6), and the welding guide mechanism (5) provides different sizes of circular and rectangular paths for the welding gun (6); The welding guide mechanism (5) includes a circular guide disc (501) fixedly installed on the rack, a guide block (502) slidably installed in the guide disc (501), a telescopic rod (503) fixedly installed on the guide block (502), a connecting seat (504) fixedly installed on the telescopic rod (503), and the welding gun (6) is rotatably connected with the connecting seat (504); The welding guide mechanism (5) further includes a rotating shaft (505) fixedly installed on the connecting seat (504), four groups of frame plates connected to form a rectangle are installed on the rack, the frame plate includes a support shaft (506) fixedly installed on the rack, a base (507) fixedly installed on the support shaft (506), and extension seats (508) slidably installed at both ends of the base (507), one of the bases (507) slidably installs a connecting block (509), the rotating shaft (505) is rotatably connected with the connecting block (509), the frame plate is provided with a steering assembly for driving the rotating shaft (505) to rotate at the corner, the steering assembly includes a gear (510) fixedly installed on the rotating shaft (505), arc-shaped racks (511) are fixedly installed at the four corners of the frame plate, the arc-shaped racks (511) are meshed with the gear (510), and the teeth on the arc-shaped racks (511) are one fourth of the teeth of the gear (510).

2. The apparatus for welding a building steel structure according to claim 1, wherein The telescopic rod (503) includes a connecting sleeve (5031) fixedly installed on the guide block (502), a sliding rod (5032) slidably installed in the connecting sleeve (5031), the sliding rod (5032) is fixedly connected with the connecting seat (504), a waist-shaped hole (5033) is formed in the connecting sleeve (5031), a threaded groove (5034) is formed in the sliding rod (5032), a bolt (5035) is threadedly connected in the threaded groove (5034), and a rubber pad (5036) is sleeved on the bolt (5035).

3. A building steel structure welding apparatus according to claim 2, wherein The connecting block (509) is slidably installed with support shafts (5091) on both sides, the support shafts (5091) are rotatably installed with rollers (5092), and the connecting block (509) is installed with a linkage assembly for driving the rollers (5092) on both sides to move synchronously and equidistantly.

4. The apparatus of claim 3, wherein the welding head is configured to weld the first and second steel plates together to form a corner of a building steel structure. The linkage assembly comprises a connecting rod (5093) rotatably mounted on a support shaft (5091), a linkage block (5094) slidably mounted in the connecting block (509) through an extension shaft (5095), and a spring (5096) fixedly mounted between the linkage block (5094) and the connecting block (509).

5. A building steel structure welding apparatus according to claim 4, wherein The cross beam fastening module (1) comprises a support plate (101) fixedly mounted on a rack, clamping assemblies slidably mounted on the support plate (101), a pressure rod (102) slidably mounted on the support plate (101), a pressure block (103) fixedly mounted on the pressure rod (102), a transmission rod (104) rotatably mounted on the pressure rod (102), two transmission rods (104) rotatably connected through a synchronous block (105), a cross plate (106) fixedly mounted between the two synchronous blocks (105), a first push rod motor (107) fixedly mounted on the support plate (101), and an output shaft of the first push rod motor (107) fixedly connected with the cross plate (106).

6. A building steel structure welding apparatus according to claim 5, wherein The vertical beam fastening module (2) comprises a plurality of light shafts (201) fixedly mounted on a rack, a driving ring (202) slidably mounted on the light shafts (201), a support ring (203) fixedly mounted on the rack, a plurality of guide rods (204) fixedly mounted on the support ring (203), a push rod (205) slidably mounted on the guide rods (204), a push block (206) fixedly mounted on one end of the push rod (205), a driving strip (207) rotatably mounted on the other end of the push rod (205), the other end of the driving strip (207) rotatably connected with the driving ring (202), a second push rod motor (208) fixedly mounted on the rack, and an output shaft of the second push rod motor (208) fixedly connected with the driving ring (202).

7. A building steel structure welding apparatus according to claim 6, wherein The driving ring (202) and the support ring (203) are both provided with notches, and the vertical beam (4) enters the inside of the driving ring (202) and the support ring (203) through the notches.

Citation Information

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