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CN-122007797-A - Butt joint device for installing gas pipeline

CN122007797ACN 122007797 ACN122007797 ACN 122007797ACN-122007797-A

Abstract

The invention discloses a butt joint device for installing a gas pipeline, and relates to the technical field of pipeline butt joint. The invention comprises a first base and a second base which can be magnetically fixed on the surface of a pipeline, wherein the first base and the second base realize initial position alignment through a laser emitter and a laser receiver, a pre-alignment assembly is arranged on the base, a variable resistance structure formed by bubbles, deionized water and hollow conductive balls is utilized, and the inclination consistency of the pipeline butt joint is judged by combining an electric signal. When the two sections of pipeline axes tend to be parallel, the indicator lamp is triggered to light. The device still includes the closed clamp structure that comprises first arc holder and second arc holder, through multiunit centre gripping centering strip and extrusion locking mechanism, realizes the even fixed to pipeline butt joint.

Inventors

  • LI WEIGUO
  • LI PENGCHENG
  • Zuo Guanping
  • Cao pan
  • WANG LU
  • SHI YUFENG

Assignees

  • 新疆盛诚工程建设有限责任公司

Dates

Publication Date
20260512
Application Date
20260414

Claims (8)

  1. 1. The butt joint device for mounting the gas pipeline is characterized by comprising a first base (301) and a second base (302) which can be magnetically attached to the surface of the pipeline (5), wherein two laser transmitters (304) are arranged on the first base (301), two laser receivers (303) are arranged on the second base (302), and the laser receivers (303) are used for receiving light signals sent by the laser transmitters (304); The novel pipeline polishing device comprises a pipeline (5) to be clamped, and is characterized by further comprising a first arc clamping frame (101) and a second arc clamping frame (102), wherein the first arc clamping frame (101) and the second arc clamping frame (102) form a circular ring, one ends of the first arc clamping frame (101) and the second arc clamping frame (102) are movably connected, three clamping centering strips (103) are fixed on the inner sides of the arcs of the first arc clamping frame (101) and the second arc clamping frame (102), and the clamping centering strips (103) are used for being in contact with the pipeline (5) to be clamped; The novel extrusion device is characterized by further comprising locking sleeves (104) which can be sleeved outside two extrusion polished rods (107), wherein extrusion heads (106) are mounted in the inner sliding of the locking sleeves (104), the vertical axis of each extrusion head (106) is parallel to the vertical axis of each extrusion polished rod (107), the extrusion heads (106) are in contact fit with the extrusion polished rods (107), locking screws (105) are inserted into the locking sleeves (104) in the axial direction perpendicular to the extrusion polished rods (107) in a threaded manner, the locking screws (105) are rotationally connected with the extrusion heads (106), and the locking screws (105) are used for pushing the extrusion heads (106) to move towards the direction of the extrusion polished rods (107).
  2. 2. The docking device for installing a gas pipeline according to claim 1, wherein the pre-calibration assembly (2) comprises an insulating shell (201), a conductive layer (202) is arranged on the inner wall of the insulating shell (201), deionized water (210) is filled in the conductive layer (202), bubbles (209) exist in the deionized water (210), and hollow conductive balls (208) float in the bubbles (209).
  3. 3. The docking device for installing a gas pipeline according to claim 2, wherein the hollow conductive ball (208) is electrically connected to one end of the conductive wire (207), and the other end of the conductive wire (207) penetrates to the outer side of the insulating shell (201), wherein the conductive wire (207) is insulated from the deionized water (210) and the conductive layer (202), and the hollow conductive ball (208) is in contact conductive fit with the conductive layer (202).
  4. 4. A butt joint device for installing a gas pipeline according to claim 3 is characterized in that a magnetic insulating shell ring (203) and an insulating isolation ring (205) are fixedly arranged on the outer surface of an insulating shell (201), the magnetic insulating shell ring (203) is coaxially sleeved on the outer side of the insulating isolation ring (205), a central conductive column (206) is embedded in the inner axis position of the insulating isolation ring (205), the central conductive column (206) is in conductive connection with a conductive wire (207), an outer conductive ring (204) is fixedly inserted into a gap between the inner wall of the magnetic insulating shell ring (203) and the outer surface of the insulating isolation ring (205), and the outer conductive ring (204) is in conductive connection with a conductive layer (202).
  5. 5. A docking device for installing a gas pipeline according to claim 4, wherein the outer conductive ring (204) is insulated from the central conductive column (206) by an insulating spacer ring (205), and the central conductive column (206) is insulated from the conductive layer (202) by the insulating spacer ring (205).
  6. 6. The butt joint device for installing a gas pipeline according to claim 5, wherein the electric signal connection ends of the pre-calibration assemblies (2) are an outer conductive ring (204) and a central conductive column (206), the two pre-calibration assemblies (2) are connected in series at the positive electrode end and the negative electrode end of the second direct current power supply (7) through wires, the two pre-calibration assemblies (2) are all provided with NPN triodes in parallel, a base electrode of each NPN triode is electrically connected with the end of the outer conductive ring (204), and an emitter electrode of each NPN triode is electrically connected with the central conductive column (206).
  7. 7. The butt joint device for installing a gas pipeline according to claim 6, further comprising an indicator lamp (8) and two NPN triodes, wherein the indicator lamp (8) and the two NPN triodes are connected in series at the positive electrode and the negative electrode of the first direct current power supply (6), the collecting electrode and the emitting electrode of the two NPN triodes are electrically connected end to end, the collecting electrode of one NPN triode is electrically connected with the positive electrode of the first direct current power supply (6), the emitting electrode of the other NPN triode is electrically connected with one end of the indicator lamp (8), and the other end of the indicator lamp (8) is electrically connected with the negative electrode of the first direct current power supply (6).
  8. 8. The butt joint device for installing the gas pipeline according to claim 7, wherein the first direct current power supply (6), the second direct current power supply (7) and the indicator lamp (8) are arranged on the control box (4), and the control box (4) is fixed on one of the clamping centering strips (103) in a mode of being convenient to detach.

Description

Butt joint device for installing gas pipeline Technical Field The invention relates to the technical field of pipeline butt joint, in particular to a butt joint device for installing a gas pipeline. Background In the gas pipeline laying and reconstruction construction process, butt joint installation between pipelines is a key process, and especially in field welding operation of medium-large caliber steel gas pipelines, the butt joint precision directly influences the weld quality, the sealing reliability and the operation safety of a subsequent pipe network. In the existing construction mode, the alignment of the pipeline alignment joint mainly depends on manual experience judgment, mechanical clamp extrusion correction or auxiliary alignment by using simple level bars, stay wires and other modes. Specifically, the common mode is to perform preliminary position adjustment on the two-section pipeline through manual work or a hoisting tool, and then forcibly close and fix the two-section pipeline through a rigid annular clamp or a bolt clamp. When the butt joint dislocation is large in the mode, the clamp is easy to cause local stress concentration in the forced extrusion process, so that the end part of the pipeline is deformed in an elliptical manner, the surface is damaged, and the forming quality of the root part of the welding seam is even affected. These deficiencies are continuously amplified in long distance gas pipeline construction, which not only increases the construction labor intensity, but also increases the welding reworking and potential leakage risks. Disclosure of Invention In order to overcome the defects of the prior art, the invention provides the technical scheme that the butt joint device for installing the gas pipeline comprises a first base and a second base which can be attached to the surface of the pipeline in a magnetic attraction mode, wherein two laser transmitters are arranged on the first base, two laser receivers are arranged on the second base and used for receiving light signals sent by the laser transmitters, pre-calibration components are fixedly arranged on the first base and the second base, the butt joint device further comprises a first arc clamping frame and a second arc clamping frame, the first arc clamping frame and the second arc clamping frame form a circular ring, one ends of the first arc clamping frame and the second arc clamping frame are movably connected, three clamping centering strips are fixed on the inner sides of arcs of the first arc clamping frame and the second arc clamping frame and are used for being in contact with the pipeline to be clamped, the other ends of the first arc clamping frame and the second arc clamping frame are respectively fixedly provided with an extrusion polish rod, the locking sleeve is sleeved on the outer sides of the two extrusion polish rods, the inner sides of the locking sleeve are movably installed with the extrusion heads, the axis of the extrusion heads is perpendicular to the extrusion heads, the axes of the extrusion heads are perpendicular to the extrusion screw rod, and are perpendicular to the extrusion screw rod is in a direction of the extrusion screw rod, and the extrusion heads are in parallel to the extrusion screw rod is in a direction of the extrusion direction, and the extrusion screw rod is in a direction of the extrusion screw rod is perpendicular to the extrusion screw rod. Preferably, the pre-calibration assembly comprises an insulating shell, a conductive layer is arranged on the inner wall of the insulating shell, deionized water is filled in the conductive layer, bubbles exist in the deionized water, and hollow conductive balls float in the bubbles. Preferably, the hollow conductive ball is connected to one end of the conductive wire in a conductive way, the other end of the conductive wire penetrates to the outer side of the insulating shell, the conductive wire is arranged in an insulating way with deionized water and the conductive layer, and the hollow conductive ball is in contact conductive fit with the conductive layer. Preferably, the outer surface of the insulating shell is fixedly provided with a magnetic attraction insulating shell ring and an insulating isolation ring, the magnetic attraction insulating shell ring is coaxially sleeved on the outer side of the insulating isolation ring, a central conductive column is embedded in the inner axis position of the insulating isolation ring and is in conductive connection with the conductive wire, an outer conductive ring is fixedly inserted into a gap between the inner wall of the magnetic attraction insulating shell ring and the outer surface of the insulating isolation ring, and the outer conductive ring is in conductive connection with the conductive layer. Preferably, the outer conductive ring is insulated from the central conductive column by an insulating spacer ring, and the central conductive column is insulated from the conductiv