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CN-115722771-B - Quick clamping and self-distance adjusting pipeline welding track device

CN115722771BCN 115722771 BCN115722771 BCN 115722771BCN-115722771-B

Abstract

The invention relates to a quick clamping and self-distance adjusting pipeline welding track device, and belongs to the technical field of pipeline welding robots. The quick clamping and self-distance adjusting pipeline welding track device comprises a sectional quick clamping track, an opening adjusting unit and an axial adjusting unit, wherein the sectional quick clamping track comprises a first track section, a second track section and a third track section which are arranged along the circumference of a pipeline to be welded, the first track section is movably connected with the second track section and the third track section respectively to form a clamping cavity for clamping the pipeline to be welded, the opening adjusting unit comprises a first driving member and a second driving member, two ends of the first driving member are connected between the first track section and the second track section respectively, and the axial adjusting unit is detachably arranged between the sectional quick clamping track and the pipeline to be welded. The rail has the beneficial effects that the rail can realize the functions of rapidly clamping, positioning and adjusting the relative axial and radial positions of the pipelines to be welded.

Inventors

  • LIU JIE
  • HOU HAO
  • PENG RUI
  • MA JIANLIN
  • GAO JIANZHANG
  • HE CHAOMING
  • PENG XIANGYU

Assignees

  • 国家石油天然气管网集团有限公司
  • 国家管网集团西南管道有限责任公司

Dates

Publication Date
20260505
Application Date
20221130

Claims (9)

  1. 1. Quick clamping and self-aligning pipeline welding track device, characterized by comprising: The sectional type quick clamping rail (100) comprises a first rail section (110), a second rail section (120) and a third rail section (130) which are circumferentially arranged along a pipeline (1) to be welded, wherein the first rail section (110) is movably connected with the second rail section (120) and the third rail section (130) respectively to form a clamping cavity (150) for clamping the pipeline to be welded; The opening adjusting unit (200) comprises a first driving member (210) and a second driving member (220), wherein two ends of the first driving member (210) are respectively connected between the first track section (110) and the second track section (120) and used for driving the second track section (120) to rotate relative to the first track section (110), two ends of the second driving member (220) are respectively connected between the first track section (110) and the third track section (130) and used for driving the third track section (130) to rotate relative to the first track section (110), so that the size of an opening formed between the second track section (120) and the third track section (130) is adjusted, and the maximum distance of the opening is larger than the outer diameter of a pipeline to be welded; The axial adjusting unit (300) is detachably arranged between the sectional quick clamping rail (100) and the pipeline (1) to be welded and is used for driving the sectional quick clamping rail (100) to axially move and/or adjust an included angle between the axis of the clamping cavity (150) and the axis of the pipeline (1) to be welded along the pipeline (1) to be welded, the axial adjusting unit (300) comprises a base (310) and a connecting rod mechanism (320), the base (310) is detachably connected to one side of the sectional quick clamping rail (100), the connecting rod mechanism (320) comprises a motor (321), a crank (322), an adjustable connecting rod (323) and a connecting rod (324), the motor (321) is fixedly connected to the base (310), one end of the crank (322) is rotationally connected with the output end of the motor (321), the other end of the connecting rod (324) is rotationally connected with the other end of the adjustable connecting rod (323), and the adjustable connecting rod (323) can be clamped with one end (323) of the pipeline (1) in the length direction in a clamping mode, and the other end (11) to be welded.
  2. 2. The quick clamping and self-aligning pipeline welding track device according to claim 1, wherein the adjustable connecting rod (323) comprises a first connecting section (3231), a second connecting section (3232) and a linear motor (3233), the first connecting section (3231) is movably connected with the connecting rod (324), the second connecting section (3232) is movably connected with the base (310), and the linear motor (3233) is arranged between the first connecting section (3231) and the second connecting section (3232).
  3. 3. The quick clamp and self-aligning pipe welding track device of claim 2 wherein the axial adjustment unit (300) further comprises a controller electrically connected to the linear motor (3233).
  4. 4. The quick clamp and self aligning pipe welding track assembly of claim 1 wherein said base (310) is removably attached to said segmented quick clamp track (100) by a clamp assembly (330).
  5. 5. The quick clamping and self-aligning pipeline welding track device according to claim 4, wherein the clamping assembly (330) comprises an upper clamping column (331) and a lower clamping column (332), the segmented quick clamping track (100) is provided with a concave track groove (140) along the circumferential direction, a rack can be arranged on an inner edge (142) of the track groove (140), an outer edge (141) is a smooth surface, annular grooves are formed on the outer surfaces of the upper clamping column (331) and the lower clamping column (332), and the outer edge (141) and the inner edge (142) can be respectively embedded into the corresponding annular grooves.
  6. 6. The quick clamp and self distance tube welding track arrangement of claim 5, further comprising a clamping unit (340) for driving the upper clamping post (331) to move within the track groove (140) in a radial direction of the tube (1) to be welded relative to the lower clamping post (332).
  7. 7. The quick clamping and self-aligning pipe welding track device according to claim 6, characterized in that the clamping unit (340) comprises a clamping bolt (341), a clamping nut (342), a slide block (343) and a slide groove (344), the clamping nut (342) is arranged on the other side of the base (310) relative to the upper clamping column (332), the slide groove (344) extending along the radial direction of the pipe (1) to be welded is arranged on the base (310), the clamping bolt (341) is connected with the upper clamping column (331) through the slide block (343), and the slide block (343) is arranged in the slide groove (344) and can move relative to the slide groove (344).
  8. 8. The quick clamping and self-aligning pipe welding track device according to any one of claims 1-7, further comprising a radial adjustment unit (400), wherein the radial adjustment unit (400) comprises a support column (410) circumferentially arranged along the segmented quick clamping track (100), one end of the support column (410) is fixedly connected with the segmented quick clamping track (100), the other end of the support column is abutted against the outer surface of the pipe (1) to be welded for clamping and fixing, and the relative radial positions of the segmented quick clamping track (100) and the pipe (1) to be welded can be adjusted by adjusting the length of the support column (410).
  9. 9. The quick clamp and self pitch tube welding track arrangement as defined in any one of claims 1-7, wherein said first track segment (110) is semi-circular in configuration and said second track segment (120) and said third track segment (130) are each quarter-circular in configuration.

Description

Quick clamping and self-distance adjusting pipeline welding track device Technical Field The invention belongs to the technical field of pipeline welding robots, and particularly relates to a quick clamping and self-distance adjusting pipeline welding track device. Background The welding position is constantly replaced by a welding worker holding a welding gun in a hand manner through the traditional manual mode for carrying out the girth welding operation, the internal space of a part of pipeline is narrow, the welding operation space is limited for the welding worker, the working environment is bad, the working strength is high, the welding efficiency is low, and the requirements of high welding quality and good stability are difficult to reach. Welding robots are commonly used in pipe welding operations to finish the pipe welding operations, and a full-automatic external welding (GMAW) single-sided welding double-sided forming technology commonly used in welding has become a main technological method for welding circular welds. The welding robot track is a special mechanism which is clamped on the pipeline and used for the welding robot to walk and position, the position of the track relative to the pipeline to be welded directly determines the position of a walking path of the welding trolley relative to the welding seam of the pipeline to be welded, and therefore the welding quality can be affected. Therefore, the pipeline welding track meets the following requirements of (1) simple structure, convenient and quick installation, and (2) being capable of adjusting the relative position of the track plane and the pipeline to be welded and fixing, and ensuring that the axial and radial position precision of the annular welding seam on the surface of the pipeline meets the requirements. Welding robot rails in the prior art often do not meet the requirements of quick clamping and precise adjustment of axial and radial positions. The utility model discloses a concrete structural form of a single-row tooth track of a pipeline welding robot in China patent publication No. CN212599846U and a travelling device applying the same, wherein the concrete structural form comprises a track main body, the track main body is in a regular rectangle, at least three track elastic sheets are uniformly distributed on any surface of the track main body, tooth holes perpendicular to side walls are uniformly distributed on the track main body, and two ends of the track main body are connected through a locking mechanism. The track is an integral body which cannot be detached, the locking mechanism is also complex, the operation is inconvenient, the requirement of convenience and rapidness is difficult to meet in the clamping process, and the track cannot realize the adjustment of the relative positions of the track and the pipeline to be welded. Disclosure of Invention The invention provides a rapid clamping and self-distance adjusting pipeline welding track device for solving the technical problems, so that the track can rapidly clamp and position a pipeline to be welded and adjust the axial and radial relative positions. The quick clamping and self-distance adjusting device for the pipeline to be welded comprises a sectional quick clamping track, an opening adjusting unit, an axial adjusting unit and an axial adjusting unit, wherein the sectional quick clamping track comprises a first track section, a second track section and a third track section which are arranged along the circumference of the pipeline to be welded, the first track section is movably connected with the second track section and the third track section respectively to form a clamping cavity for clamping the pipeline to be welded, the opening adjusting unit comprises a first driving member and a second driving member, two ends of the first driving member are respectively connected between the first track section and the second track section and used for driving the second track section to rotate relative to the first track section, two ends of the second driving member are respectively connected between the first track section and the third track section and used for driving the third track section to rotate relative to the first track section, accordingly, the opening formed between the second track section and the third track section is adjusted to be larger than the maximum distance of the pipeline to be welded, and the axial adjusting unit is detachably arranged between the first track section and the second track section and the axial adjusting unit and the axial clamping device for driving the axial line to be welded or the axial clamping device to be clamped between the axial line to be welded. The beneficial effects are that: (1) The sectional type quick clamping rail structure can realize quick installation and fixation of the pipeline to be welded, and is time-saving, labor-saving and high in efficiency. (2) The positioning is accurate, namely the rel