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CN-122007793-A - Automatic positioning welding device for adjusting butt welding seam of steel pipe

CN122007793ACN 122007793 ACN122007793 ACN 122007793ACN-122007793-A

Abstract

The invention discloses an automatic positioning welding device for adjusting butt welding seams of steel pipes, which relates to the field of welding steel pipe connection design and comprises a first sleeve ring and a second sleeve ring, wherein the first sleeve ring is fixedly sleeved at the upper end position of a lower steel pipe, the second sleeve ring is fixedly sleeved at the lower end position of an upper steel pipe, a plurality of ranging sensors are uniformly distributed on the first sleeve ring in a circumferential direction and used for monitoring the distance between the upper end of the lower steel pipe and the lower end of the upper steel pipe, a plurality of telescopic driving pieces are uniformly distributed on the outer side of the first sleeve ring in a circumferential direction, a plurality of support plates are uniformly distributed on the outer side of the second sleeve ring in a circumferential direction, each telescopic driving piece corresponds to one support plate, the telescopic direction of each telescopic driving piece is parallel to the lower steel pipe, and the output end of each telescopic driving piece faces upwards and can be abutted against each support plate. By adopting the scheme, the vertical butt joint of the steel pipes and the high-precision adjustment of the welding distance can be realized in the site construction limited site, so that the construction efficiency of vertical welding is improved.

Inventors

  • BAI YAZHOU
  • CUI XUANFENG
  • QIAN YANBO
  • WANG LIU

Assignees

  • 四川省钢构智造有限公司

Dates

Publication Date
20260512
Application Date
20260408

Claims (10)

  1. 1. An automated tack welding apparatus for adjusting a butt weld of a steel pipe, comprising: The first lantern ring (3) and the second lantern ring (4), wherein the first lantern ring (3) is fixedly sleeved at the upper end position of the lower steel pipe (1), and the second lantern ring (4) is fixedly sleeved at the lower end position of the upper steel pipe (2); a plurality of ranging sensors (5) are uniformly distributed on the first lantern ring (3) in the circumferential direction, and the ranging sensors (5) are used for monitoring the interval between the upper end of the lower steel pipe (1) and the lower end of the upper steel pipe (2); A plurality of telescopic driving pieces (301) are also uniformly distributed in the circumferential direction outside the first lantern ring (3), a plurality of support plates (401) are uniformly distributed in the circumferential direction outside the second lantern ring (4), each telescopic driving piece (301) corresponds to one support plate (401), the telescopic direction of the telescopic driving piece (301) is parallel to the steel tube (1) below, the output end of the telescopic driving piece faces upwards, and the telescopic driving piece can be abutted to the support plates (401); the hoisting equipment is used for clamping the steel pipe through the clamping assembly and vertically hoisting the steel pipe.
  2. 2. An automated tack welding device for adjusting butt welds of steel pipes according to claim 1, characterized in that the upper end of the first collar (3) is coaxially and rotatably connected with a rotating collar (9), the first collar (3) further being provided with a rotation driving member (303) for driving the rotating collar (9) to rotate about its own axis; The distance measuring sensors (5) are arranged on the rotary lantern ring (9) and are opposite to a gap between the upper end of the lower steel tube (1) and the lower end of the upper steel tube (2), the rotary lantern ring (9) is used for fixing a welding gun (10), and the welding gun (10) is used for welding the upper end of the lower steel tube (1) and the lower end of the upper steel tube (2).
  3. 3. An automated tack welding apparatus for adjusting butt welds of steel pipes according to claim 2, characterized in that the inner side of the upper end of the first collar (3) is provided with a circumferential groove (305), and the rotating collar (9) can extend into the circumferential groove (305) and be rotationally connected with the circumferential groove (305); The rotary lantern ring (9) is coaxially sleeved on the outer side in the circumferential groove (305) and is provided with driven teeth (901), the rotary driving piece (303) adopts a rotary motor and is fixed on the outer side of the first lantern ring (3), the output end of the rotary driving piece (303) is provided with driving teeth (304), the side wall of the first lantern ring (3) is provided with an opening (306) for the driving teeth (304) to partially extend in, and the driving teeth (304) can extend in from the opening (306) and are meshed with the driven teeth (901).
  4. 4. An automated tack welding apparatus for adjusting butt welds of steel pipes according to claim 3, characterized in that the bottom of the circumferential groove (305) has a reduced diameter mouth, the rotating collar (9) being adapted to the reduced diameter mouth and size and being able to extend into the reduced diameter mouth; The side wall of the diameter reduction mouth is provided with a vertical groove (307) and is coaxially provided with a circumferential rotation groove (308), the upper end of the vertical groove (307) penetrates through the diameter reduction mouth, the lower end of the vertical groove is communicated with the circumferential rotation groove (308), the side wall of the rotary sleeve ring (9) positioned below the driven tooth (901) is provided with a limit key (902), and the limit key (902) can enter the circumferential rotation groove (308) from the vertical groove (307) and circumferentially rotate around the circumferential rotation groove (308).
  5. 5. An automatic positioning welding device for adjusting butt welds of steel pipes according to claim 2, characterized in that a notch (903) is formed in the side wall of the upper end of the rotary collar (9), an adjusting component is fixed on the outer side wall of the notch (903), the adjusting component comprises a clamping sleeve (12) and mounting plates (11) located on two sides of the notch, intermediate shafts are arranged on opposite faces of the two mounting plates (11), two sides of the clamping sleeve (12) are respectively connected with the two intermediate shafts in a rotating mode, bolts (13) are further connected to the two mounting plates (11) in a threaded mode, the end portions of the bolts (13) face the side wall of the clamping sleeve (12) and can abut against the clamping sleeve (12), and the clamping sleeve (12) is used for clamping a welding gun (10).
  6. 6. The automatic positioning welding device for adjusting butt welds of steel pipes according to any one of claims 1-5, wherein the annular side walls of the first lantern ring (3) and the second lantern ring (4) are respectively provided with a plurality of uniformly distributed telescopic assemblies, each telescopic assembly comprises an outer pipe (6), a telescopic cylinder (7) and an arc limiting block (8), the outer pipe (6) is arranged on the inner side of the steel pipe and is radially fixed along the steel pipe, the telescopic cylinder (7) is fixed on the outer wall of the steel pipe, an output shaft of the telescopic cylinder (7) penetrates through the wall of the steel pipe and is connected with the arc limiting block (8) through the outer pipe (6), and the output shaft of the telescopic cylinder (7) is matched with the inner diameter of the outer pipe (6).
  7. 7. An automated tack welding device for adjusting butt welds of steel pipes according to any one of claims 1 to 5, wherein the first collar (3) and the second collar (4) are formed by two semi-circles spliced with each other.
  8. 8. The automatic positioning welding device for adjusting butt welds of steel pipes according to any one of claims 1-5, wherein the telescopic driving pieces (301) are lifting cylinders, a plurality of mounting plates are circumferentially arranged on the outer side of the first lantern ring (3), and each telescopic driving piece (301) is respectively fixed on one mounting plate; The output end of the telescopic driving piece (301) is fixedly provided with a ball body (302), the lower side of the support plate (401) is provided with a ball-shaped groove, and the ball body (302) is hinged with the ball-shaped groove.
  9. 9. An automated tack welding device for adjusting butt welds of steel pipes according to claim 8, further comprising brackets (14) located on both sides of the lower steel pipe (1), wherein a horizontal cylinder (15) is provided in the brackets (14), the output ends of the two horizontal cylinders (15) are oppositely arranged, and arc clamping plates (16) are fixed on the output ends, and the two arc clamping plates (16) are used for clamping the lower steel pipe (1) in opposite directions.
  10. 10. An automated tack welding device for adjusting butt welds of steel pipes according to claim 9, characterized in that the tops of both brackets (14) are provided with vertical cylinders (17), the output ends of the vertical cylinders (17) face upwards and are connected with the lower side of the first collar (3) for driving the first collar (3) to lift.

Description

Automatic positioning welding device for adjusting butt welding seam of steel pipe Technical Field The invention relates to the field of welded steel pipe connection design, in particular to an automatic positioning welding device for adjusting butt welding seams of steel pipes. Background Welded steel pipes are also called welded pipes, and are steel pipes manufactured by welding steel plates after curling and forming. The welded steel pipe has simple production process, high production efficiency, multiple varieties and specifications and low equipment funds. With the progress of welding and inspection technology, the quality of welding seams is continuously improved, and the variety and the specification of welded steel pipes are increasingly increased and are used in more and more fields. The positioning and adjustment of the steel pipe structure before welding are very important, in the prior art, two steel pipes are generally directly and horizontally placed on a supporting and adjusting tool, and then the two steel pipes are adjusted and positioned through the supporting and adjusting tool for welding, but the mode is difficult to control due to large occupied area, the welding quality is generally applied to factory prefabrication and workshop manufacturing, and if the mode is applied to temporary installation welding of some construction sites, only a vertical butt joint mode can be adopted for welding due to limited construction sites, but the welding interval is not easy to adjust due to the vertical butt joint mode, so that the welding quality is directly affected. Disclosure of Invention The invention aims to solve the defects of the prior art, and aims to provide an automatic positioning welding device for adjusting butt welding seams of steel pipes, the vertical butt joint of the steel pipes and the high-precision adjustment of the welding distance can be realized in a site construction limited site, so that the construction efficiency of vertical welding is improved. The invention is realized by the following technical scheme: An automated tack welding apparatus for adjusting a steel pipe butt weld, comprising: The first lantern ring is fixedly sleeved at the upper end position of the lower steel pipe, and the second lantern ring is fixedly sleeved at the lower end position of the upper steel pipe; a plurality of ranging sensors are uniformly distributed on the first lantern ring in the circumferential direction, and the ranging sensors are used for monitoring the distance between the upper end of the lower steel pipe and the lower end of the upper steel pipe; The telescopic driving pieces are circumferentially and uniformly distributed on the outer side of the first lantern ring, the plurality of support plates are circumferentially and uniformly distributed on the outer side of the second lantern ring, each telescopic driving piece corresponds to one support plate, the telescopic direction of each telescopic driving piece is parallel to the steel tube below, and the output end of each telescopic driving piece faces upwards and can be abutted against the support plate; the hoisting equipment is used for clamping the steel pipe through the clamping assembly and vertically hoisting the steel pipe. Compared with the prior art, the automatic positioning welding device for adjusting the butt welding seam of the steel pipe has the advantages that the occupied area is small, the field limiting condition is met, the manual intervention for adjusting and positioning the steel pipe is small, and the vertical butt joint of the steel pipe and the high-precision adjustment of the welding distance can be realized in the field limited field so as to improve the construction efficiency of the vertical welding. In the specific scheme, the limited place is uneven ground or the place that the week side has barriers such as arch, and this scheme specifically includes first lantern ring and second lantern ring, and wherein, the below steel pipe can be vertically hoisted in fixed position by hoisting equipment to by vertical temporary fixation, and the top steel pipe is also vertically hoisted on the below steel pipe by hoisting equipment, and wherein the mode of hoisting equipment vertical hoisting steel pipe is various, if fix the steel pipe upper end through clamp isotructure, around the back with the lifting rope be connected on the clamp can, for example the utility model patent of application number CN 2019217374433. In the welding process, the lifting of the upper steel pipe is not required to be removed, so that the upper steel pipe is not easy to topple, and the welded steel pipe can be directly lifted out of the splicing station after the welding is finished. In the process of hoisting the upper steel pipe, the lower end of the upper steel pipe can be simply placed at the upper end position of the lower steel pipe by manual support, and two steel pipes with the same diameter are coaxial. The method com