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CN-121972878-A - Welding positioning device for steel structure construction

CN121972878ACN 121972878 ACN121972878 ACN 121972878ACN-121972878-A

Abstract

The invention discloses a welding positioning device for steel structure construction, which relates to the technical field of steel structure welding auxiliary equipment, and realizes positioning and supporting of a welding gun through the arrangement of a travelling mechanism, an adjustable bracket and a supporting collar, so that the welding gun is fixed at a preset angle and position; after the device is adjusted to a proper state, a worker only needs to push the welding gun, so that the welding gun can stably slide along the long welding seam direction of the steel structure in the support frame of the travelling mechanism, the adjustable support and the support lantern ring, in the process, the worker does not need to support the welding gun, the direction of the welding gun is stable, the operation burden of the worker is effectively lightened, the welding quality and the welding efficiency are improved, the manual operation strength can be remarkably reduced, the precision and the consistency of welding operation can be improved, and meanwhile, compared with the large mechanical equipment, the cost is lower, and an efficient and reliable solution is provided for long welding seam welding in bridge steel structure construction.

Inventors

  • ZHU XIANGYONG
  • YANG AN
  • ZHU QINGSONG
  • YU HUA
  • LUO WEN
  • CHEN DELUN
  • ZHU YANG

Assignees

  • 成都建工路桥建设有限公司

Dates

Publication Date
20260505
Application Date
20260330

Claims (9)

  1. 1. Welding positioning device for steel construction, characterized by comprising: the travelling mechanism (1) is arranged at the edge or the middle part of the steel structure and can linearly slide along the long welding line direction to be welded of the steel structure; The adjustable support (2), adjustable support (2) include with the adjustable fixed slip branch (21) of running gear (1) supporting part, with slip branch (21) keep away from running gear (1) one end and rotate first dwang (22) that are connected and keep away from slip branch (21) one end second dwang (23) that are connected with first dwang (22), all through second connecting axle (24) rotation connection between slip branch (21) and first dwang (22) and second dwang (23), screw thread portion has all been seted up at the both ends of second connecting axle (24), screw thread portion at both ends of second connecting axle (24) is last all spiro union second lock nut (241), second lock nut (241) support tight slip branch (21) and first dwang (22), second dwang (23) and first dwang (22) junction outer wall for slip branch (21) and first dwang (22), second dwang (22) and second dwang (23) fixed chucking; Support lantern ring (3), support lantern ring (3) adjustable one end that is fixed in second dwang (23) and keep away from first dwang (22), support lantern ring (3) spiro union is worn to be equipped with second locking bolt (31), support lantern ring (3) cover is located on the welder, one end that second locking bolt (31) run through support lantern ring (3) supports tightly with the welder shell.
  2. 2. The welding and positioning device for steel structure construction according to claim 1, wherein a connecting disc (32) is integrally formed at one end of the supporting collar (3) close to the second rotating rod (23), a third positioning hole (321) is formed in the connecting disc (32), a second positioning hole (231) is formed at one end of the second rotating rod (23) close to the supporting collar (3), and a second positioning bolt (33) in threaded fit with the second positioning hole (231) is arranged in the connecting disc (32); The third positioning holes (321) are formed in a plurality of and distributed along the axis circumference array of the connecting disc (32), and the second positioning holes (231) are formed in at least two, wherein the at least two third positioning holes (321) are in one-to-one correspondence with the at least two second positioning holes (231).
  3. 3. The welding and positioning device for steel structure construction according to claim 2, wherein the travelling mechanism (1) comprises a supporting block (11), two supporting rods (12) and two rollers (13), a pair of clamping plates (111) are uniformly and integrally formed at two ends of the supporting block (11), the two supporting rods (12) are rotationally connected with the clamping plates (111) through first connecting shafts (14), the supporting rods (12) are positioned between the two clamping plates (111) of the pair of clamping plates (111), threaded parts are formed at two ends of the first connecting shafts (14), first locking lock nuts (15) are screwed at two ends of the first connecting shafts (14), and the first locking lock nuts (15) are abutted against the side walls of the side, far away from the supporting rods (12), of the clamping plates (111) so that the inner side walls of the clamping plates (111) are abutted and fixed with the supporting rods (12); the two rollers (13) are respectively connected to one ends of the two support rods (12) far away from the support blocks (11) in a rotating mode, and the two rollers (13) roll against the side wall of the steel structure.
  4. 4. The welding and positioning device for steel structure construction according to claim 3, wherein a slip ring (211) is integrally formed at one end of the sliding support rod (21) far away from the first rotating rod (22), the slip ring (211) is rotatably sleeved on the supporting block (11), a first locking bolt (212) is screwed on the slip ring (211), and the slip ring (211) is fixed with the supporting block (11) through the first locking bolt (212).
  5. 5. The welding and positioning device for steel structure construction according to claim 4, wherein a plurality of positioning screw holes (112) are formed in the periphery of the supporting block (11), the number of the positioning screw holes (112) is not less than four, and at least four positioning screw holes (112) are distributed along the periphery of the supporting block (11) in a circumferential array; the first locking bolts (212) are provided with a plurality of first locking bolts (212), and the first locking bolts (212) penetrate through the slip ring (211) in a threaded mode and are respectively inserted into the positioning screw holes (112).
  6. 6. The welding and positioning device for steel structure construction according to claim 3, wherein a connecting hole (232) is formed in the middle of one end, close to the supporting sleeve ring (3), of the second rotating rod (23), a positioning shaft (34) is fixed on one side, close to the second rotating rod (23), of the connecting disc (32), and the positioning shaft (34) is rotatably inserted into the connecting hole (232).
  7. 7. The welding and positioning device for steel structure construction according to claim 1, wherein the travelling mechanism (1) comprises a sliding rod (16) and two fixing blocks (17), one end, far away from the first rotating rod (22), of the sliding support rod (21) is sleeved on the sliding rod (16) in a sliding manner, two ends of the sliding rod (16) are respectively detachably fixed with the two fixing blocks (17), and the fixing blocks (17) are fixed with reserved holes in a steel structure through bolts.
  8. 8. The welding and positioning device for steel structure construction according to claim 7, wherein the sliding rod (16) comprises a plurality of middle rods (161) and two end rods (162), wherein connecting studs (163) are fixed at one ends of the middle rods (161), connecting screw holes (164) which are in threaded fit with the connecting studs (163) are formed in the other ends of the middle rods (161), connecting screw holes (164) are formed in one end of one end rod (162), connecting studs (163) are fixed at one end of the other end rod (162), the two end rods (162) are respectively located at two ends of the middle rods (161) which are connected end to end, and the middle rods (161) are in threaded connection with the two end rods (162) through the connecting studs (163) and the connecting screw holes (164).
  9. 9. The welding and positioning device for steel structure construction according to claim 8, wherein the two end rods (162) are provided with first positioning holes (1621) at one ends far away from the middle rod (161), the first positioning holes (1621) are provided with a plurality of locking bolts (171) which are arranged uniformly along the axial direction of the end rods (162) in a threaded manner, and one ends of the locking bolts (171) are inserted into the first positioning holes (1621) in a sliding manner.

Description

Welding positioning device for steel structure construction Technical Field The invention relates to the technical field of auxiliary equipment for welding steel structures, in particular to a welding positioning device for steel structure construction. Background The bridge steel structure refers to an engineering structure made of steel materials for a main girder, a main arch or a main bearing system of the bridge, and covers various types of steel girder bridges, steel arch bridges, cable-stayed bridges, suspension bridges, rigid frame bridges and the like. Through retrieval, a welding positioning tool for a bridge component with a steel structure is disclosed in a patent document with an bulletin number of CN119304469B, a welding platform is rotatably arranged on a base, a guardrail column is arranged in the central area of the welding platform, two ends of the welding platform are respectively provided with a jacking structure propped against the outside of a supporting plate, two sides of a supporting frame are respectively provided with a lifting structure, the lifting structure is connected with an inclined structure, an axial lock catch is connected with the telescopic structure, the telescopic structure is connected with a clamping structure, the clamping structure is inserted between the two supporting plates, the clamping structure is clamped on an auxiliary plate, and the inclined structure is used for adjusting the position of the clamping structure in a matched manner according to the inclined direction of the guardrail column. This steel construction bridge member welding position frock can splice fixedly to the guardrail stand, and can overturn the guardrail stand under the state of erectting, very big convenience the going on of weldment work. In addition, a welding auxiliary positioning device for steel structure construction is disclosed in a patent document with the publication number of CN119328411B, and comprises positioning mechanisms and the like, wherein the positioning mechanisms are provided with at least four groups, and limit steel columns through the cooperation of all the positioning mechanisms. This welding auxiliary positioning device for steel construction is through inhaling four fixed plates magnetism at the surface of below steel column, four stopper pieces of rethread manual work promotion in proper order for four stopper pieces all remove the upper surface of the steel column of below, and lock stopper piece through corresponding elastic component I, and limit the steel column of top through all stopper, make the steel column of top keep the parallel and level with the steel column of below, through torsion all bolts, until all stopper all support the surface of steel column of top, install clamp I on four fixed plates again, and lock clamp I, thereby hold tightly two steel columns, and make two steel columns keep the parallel and level, thereby realize carrying out auxiliary positioning to two steel columns. Based on the above search, in combination with the prior art, most of the existing welding positioning devices for steel structure construction are used for preassembled welding of steel structures or pile welding operation on site, long welding seams are needed to be welded on the bridge beam frames, the plates and the like on site, when the welding is performed, manual handheld welding guns are needed to move or the welding guns are controlled to slide through large mechanical equipment, the cost of the large mechanical equipment is high, the site is limited, the manual handheld welding guns are needed to bear large work burden, if fatigue is generated by the workers when long welding seams are welded, welding gun deflection is easily caused, welding quality is easily reduced, serious welding damage of the steel structures is possibly caused, and larger economic loss is brought, so that the welding positioning device for steel structure construction is needed. Disclosure of Invention The application aims to provide a welding positioning device for steel structure construction, which aims to solve the problems in the background technology. In order to achieve the above purpose, the application provides a welding positioning device for steel structure construction, comprising: the travelling mechanism is arranged at the edge or the middle part of the steel structure and can linearly slide along the long welding line direction to be welded of the steel structure; The adjustable support comprises a sliding support rod which is adjustably fixed with the travelling mechanism supporting part, a first rotating rod which is rotationally connected with one end of the sliding support rod far away from the travelling mechanism, and a second rotating rod which is rotationally connected with one end of the first rotating rod far away from the sliding support rod, wherein the sliding support rod is rotationally connected with the first rotating rod and the second rotating ro