CN-117324846-B - Non-excavation pipeline inside lining welding equipment

CN117324846BCN 117324846 BCN117324846 BCN 117324846BCN-117324846-B

Abstract

The application relates to non-excavation pipeline lining welding equipment which comprises a welding device, a feeding device and a clamping device, wherein the clamping device is used for clamping a pipeline lining to be matched with the welding device for welding, the feeding device is used for pushing the welded pipeline lining into a pipeline to be repaired, the clamping device comprises a first clamping area and a second clamping area, pipeline linings are respectively placed in the first clamping area and the second clamping area, opposite end faces of the two pipeline linings are abutted to form a welding seam, the welding device comprises a welding gun and a driving device, the driving device is used for driving the welding seam to be welded, the feeding device comprises a first feeding position and a second feeding position, and the feeding device is pushed into the pipeline to be repaired from the first feeding position to the second feeding position, so that the pipeline lining on the first clamping area is pushed into the second clamping area, and the pipeline lining on the second clamping area is pushed into the pipeline to be repaired.

Inventors

LIAO BAOYONG
WANG QINGSHUN
TI ZHONGSEN
ZENG XIANGBIN
LU NANQIANG
LUO CHANGJIAN

Assignees

安越环境科技股份有限公司

Dates

Publication Date: 20260505
Application Date: 20231025

Claims (9)

1. The non-excavation pipeline lining welding equipment is characterized by comprising a welding device, a feeding device and a clamping device; the clamping device is used for clamping the pipeline lining to be matched with the welding device for a welding procedure, and the feeding device is used for pushing the welded pipeline lining into the pipeline to be repaired; the clamping device is horizontally arranged, and the feeding device is arranged below the clamping device; the clamping device comprises a first clamping area and a second clamping area, a pipeline lining is placed in each of the first clamping area and the second clamping area, opposite end surfaces of the two pipeline linings are abutted to form a welding seam, the welding device comprises a welding gun and a driving device, the driving device is used for driving the welding gun to weld at the welding seam, the feeding device comprises a first feeding position and a second feeding position, the feeding device is from the first feeding position to the second feeding position, the pipeline lining on the first clamping area is pushed to the second clamping area, the pipeline lining on the second clamping area is pushed to the pipeline to be repaired, the clamping device can be opened to the left side and the right side of the equipment, the pipeline lining to be welded is placed in the pipeline to be repaired by driving the feeding device, after the pipeline lining on the first clamping area is pushed to the second clamping area, the pipeline lining can be placed in the first clamping area continuously, the feeding device comprises a hydraulic cylinder and a baffle arranged at the output end of the hydraulic cylinder, the hydraulic cylinder is pushed to move horizontally to the first clamping area or the second clamping area, the pipeline lining is pushed to the first clamping area, the pipeline lining is placed in the first clamping area, and the pipeline lining is continuously, and the pipeline is continuously welded, the end face is the end face of the pipeline lining, which is far away from the welding line.
2. The trenchless pipe lining welding equipment of claim 1, further comprising an integral frame, wherein the clamping device is horizontally arranged on the integral frame, the welding device is arranged on one side of the clamping device opposite to a pipe to be repaired, and the integral frame is provided with supporting legs with height adjustment so as to adjust the height of the pipe lining on the clamping device to correspond to the position of the pipe to be repaired.
3. A trenchless pipe liner welding apparatus as defined in claim 1 wherein the drive assembly includes a gun feeder and a gun lifter, the gun feeder advancing the gun in a horizontal direction to the weld, the gun lifter adjusting the gun height in a vertical direction.
4. A trenchless pipe lining welding apparatus as defined in claim 3 wherein said gun feeder is secured to said gun lifter and said gun feeder comprises a rotatable welding platform with said welding platform being coupled to a welding gun and driving said welding gun to rotate at a fixed point of 360 ° on a plane perpendicular to the ground.
5. A trenchless pipe lining welding apparatus as defined in claim 4 wherein the welding platform is provided with a radial expansion member, the welding gun is fixed at the expansion end of the radial expansion member, and when the welding platform is positioned at the center of the pipe lining, the welding gun is driven by the radial expansion member to adapt to the radius of the pipe lining until the welding point of the welding gun is abutted against the welding seam of the pipe lining.
6. The trenchless pipeline lining welding equipment of claim 1 wherein the first clamping area and the second clamping area each comprise two semi-arc limiting members and a clamp arranged on one of the limiting members, wherein the clamp is provided with an opening and closing mechanism, the clamp is used for clamping the pipeline lining to be fixed on the limiting members in a closed state, and the clamp is used for feeding and pushing the pipeline lining in an open state.
7. The trenchless pipeline lining welding equipment of claim 6 wherein the clamps of the first clamping area and the second clamping area are arranged adjacently, arm devices are arranged on two sides of the clamps and used for controlling the clamps to open and close, and the two clamps are synchronously open and close.
8. The trenchless pipeline lining welding equipment of claim 7, wherein the fixture is provided with two clamping arms corresponding to arm devices on two sides of the fixture, the arm devices comprise a telescopic motor and a connecting rod fixed at the telescopic end of the telescopic motor, and the connecting rod is used for connecting the clamping arms corresponding to the first clamping area and the second clamping area on the same side to form synchronous opening and closing.
9. The apparatus of claim 8, wherein the arm and the corresponding semi-arcuate stop form an annular clamp.

Description

Non-excavation pipeline inside lining welding equipment Technical Field The application relates to the technical field of non-excavation pipeline repair, in particular to non-excavation pipeline lining welding equipment. Background Along with the rapid development of the economy in China, the total length of the existing various pipelines is very large, and because a plurality of underground pipelines are laid for a long time and are exposed to corrosive use environments for a long time, the corrosion, thinning and aging of the metal inner wall of the pipeline are insufficient to support the pipeline to continue to bear the responsibility of transporting gas and liquid, and the pollution to the environment is caused by the leakage of the gas and liquid which are transported by the pipeline which is not used. At the moment, the corroded pipeline is repaired by adopting an excavation type welded pipeline replacement mode or a non-excavation type welded metal lining pipeline mode. The existing professional pipeline welding equipment mainly adopts an external welding means, and the non-excavation type repairing means is used for manually entering a well and welding the metal lining pipeline from the inside. The external welding equipment cannot be used for non-excavation type pipeline lining welding repair engineering. The welding work is completed in the underground pipeline with complex manual entry condition, and the workload is large and the risk is high, so that the welding equipment for the pipeline interior is developed and used for welding the metal lining of the trenchless pipeline. Disclosure of Invention Aiming at the actual problems and the defects of the prior art, the main technical problem to be solved by the invention is to provide non-excavation pipeline lining welding equipment which can replace manual work to finish the welding of the pipeline lining and the repair engineering of the pipeline lining issued to the underground pipeline. In order to solve the technical problems, the application provides non-excavation pipeline lining welding equipment, which adopts the following technical scheme: The non-excavation pipeline lining welding equipment comprises a welding device, a feeding device and a clamping device, wherein the clamping device is used for clamping a pipeline lining to be matched with the welding device for a welding procedure, and the feeding device is used for pushing the welded pipeline lining into a pipeline to be repaired; the clamping device comprises a first clamping area and a second clamping area, a pipeline lining is respectively arranged in the first clamping area and the second clamping area, and opposite end surfaces of the two pipeline linings are abutted to form a welding seam; The welding device comprises a welding gun and a driving device, and the driving device is used for driving the welding seam to weld; The feeding device comprises a first feeding position and a second feeding position, and the feeding device is from the first feeding position to the second feeding position, so that the pipeline lining on the first clamping area is pushed into the second clamping area, and the pipeline lining on the second clamping area is pushed into the pipeline to be repaired. In a preferred embodiment, the welding device further comprises an integral frame, the clamping device is horizontally arranged on the integral frame, the feeding device is arranged below the clamping device, and the welding device and the pipeline to be repaired are arranged on one side of the clamping device; the integral frame is provided with supporting legs with height adjustment, so that the height of the supporting legs is adjusted to the position, corresponding to the position of the pipeline to be repaired, of the pipeline lining on the clamping device. In a preferred embodiment, the driving device comprises a welding gun feeding device and a welding gun lifting device, wherein the welding gun feeding device pushes the welding gun to the welding seam along the horizontal direction, and the welding gun lifting device adjusts the height position of the welding gun along the vertical direction. In a preferred embodiment, the welding gun feeding device is fixed on the welding gun lifting device, and comprises a rotatable welding platform; and the welding platform is connected with a welding gun, and the welding gun is driven to rotate at a fixed point of 360 degrees on a plane vertical to the ground. In a preferred embodiment, the welding platform is provided with a radial expansion piece, and the welding gun is fixed at the expansion end of the radial expansion piece; When the welding platform is correspondingly arranged at the center of the pipeline lining, the radial telescopic piece drives the welding gun to adapt to the radius of the pipeline lining until the welding point of the welding gun is abutted against the welding line of the pipeline lining. In a preferred embodiment, the first clam