CN-224210612-U - Quick butt clamp for welding large-caliber pipeline

CN224210612UCN 224210612 UCN224210612 UCN 224210612UCN-224210612-U

Abstract

The utility model relates to the technical field of pipeline welding, in particular to a rapid butt clamp for large-caliber pipeline welding, which comprises two groups of supporting parts, a plurality of groups of locking parts and a plurality of groups of butt joint parts, wherein the two groups of supporting parts are arranged at intervals, each supporting part comprises a supporting semi-ring, two ends of each supporting semi-ring are respectively provided with a movable ring in a rotating mode, a plurality of mounting holes are formed in the supporting semi-rings in a penetrating mode along the circumferential direction at intervals, the middle of each movable ring is provided with a mounting hole in a penetrating mode, the plurality of groups of locking parts are respectively arranged in the mounting holes of each supporting semi-ring and each movable ring, the plurality of groups of butt joint parts are arranged on the side wall of one group of supporting parts along the circumferential direction at intervals, each locking part comprises a locking part and a crawling part, and the locking part and the crawling part in the same locking part simultaneously at most have one butt joint with the outer wall of a pipeline. According to the utility model, the locking piece and the crawling piece are operated to move in different directions simultaneously under the action of the switching hydraulic cylinder and the connecting piece, the locking piece is abutted with the outer wall of the pipeline during butt joint, the roller is abutted with the outer wall of the pipeline during movement, and a frequent lifting device is not needed, so that the device is very convenient.

Inventors

MA XINGHUA
LIU XIAO
BAI YUNFEI
WANG HUI
WANG XUBIN
ZHANG ZICHEN
GAO SHAOYONG

Assignees

山西省安装集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250703

Claims (9)

1. The rapid butt clamp for welding the large-caliber pipeline is characterized by comprising two groups of supporting parts, a plurality of groups of locking parts and a plurality of groups of butt joint parts, wherein the two groups of supporting parts are arranged at intervals, the supporting parts are sleeved on the outer side of the pipeline and fixedly connected through fixing rods, the supporting parts comprise supporting semi-rings, movable rings are rotatably arranged at two ends of each supporting semi-ring, when the movable rings are combined with the supporting semi-rings, the whole supporting parts are in a major arc shape, a plurality of mounting holes are formed in the supporting semi-rings in a penetrating mode along the circumferential direction at intervals, the middle of each movable ring is provided with a mounting hole in a penetrating mode, the plurality of groups of locking parts are respectively arranged in the mounting holes of the supporting semi-rings and the movable rings, the plurality of groups of butt joint parts are arranged on the side wall of one group of supporting parts along the circumferential direction at intervals, each locking part comprises a locking part and a crawling part, and the locking part in the same locking part and the crawling part are in butt joint with the outer wall of the pipeline at most.
2. The rapid butt clamp for welding large-caliber pipelines according to claim 1, wherein two sliding holes are formed in the inner walls of two sides in the mounting hole at intervals, two sliding holes which are arranged oppositely are formed in a group, the locking piece and the crawling piece are respectively connected with the sliding holes of the corresponding group in a sliding mode, a fixed shaft is fixedly arranged in the middle of the mounting hole, and a connecting piece is rotatably arranged in the middle of the fixed shaft.
3. The rapid butt clamp for welding large-caliber pipelines as set forth in claim 2, wherein the two end surfaces of the connecting piece are provided with sliding grooves, movable rods are slidably arranged in the sliding grooves, connectors are fixedly arranged at the ends of the movable rods, and the connectors are rotatably connected with the side walls of the locking piece or the side walls of the crawling piece.
4. The rapid butt clamp for welding large-caliber pipelines according to claim 3, wherein the middle part outside the mounting hole is rotatably provided with a switching hydraulic cylinder, one end, close to the locking piece, of the outer surface of the connecting piece is fixedly provided with a connecting plate, and the end part of a piston rod of the switching hydraulic cylinder is rotatably connected with the connecting plate.
5. The rapid butt clamp for welding large-caliber pipeline as set forth in claim 1, wherein the butt joint part comprises a hinge seat fixedly connected with a corresponding support semi-ring or movable ring, a rotary frame is rotatably arranged on the hinge seat, a rotary motor is arranged in the middle of the outer wall of one side of the hinge seat, and an output shaft of the rotary motor is fixedly connected with the end part of the rotary frame.
6. The rapid butt clamp for welding large-caliber pipelines as set forth in claim 5, wherein the rotary frame is provided with a mounting groove in the end far away from the supporting part, a butt hydraulic cylinder is arranged in the mounting groove at the end near the supporting part, a slide block is fixedly connected with the end of a piston rod of the butt hydraulic cylinder, and the slide block is in sliding connection with the mounting groove.
7. The rapid butt clamp for welding large-caliber pipelines as set forth in claim 6, wherein the mounting groove is provided with a dodging hole on a surface of one side near the center of the supporting portion, the bottom of the sliding block penetrates through the dodging hole and extends to the outside of the rotating frame, the middle of the bottom of the sliding block is provided with a limiting hole, a top block is slidably arranged in the limiting hole, a spring is arranged between the top block and the sliding block, and one end of the top block, which is far away from the sliding block, is abutted against or separated from the outer wall of the pipeline.
8. The rapid butt clamp for welding large-caliber pipelines according to claim 1, wherein supporting seats are fixedly arranged at two ends of one side surface of the supporting semi-ring, which is close to the fixed rod, respectively, a connecting seat is fixedly arranged at one end surface of the movable ring, which is close to the supporting semi-ring, a movable hydraulic cylinder is rotatably arranged on the supporting seat, and the end part of a piston rod of the movable hydraulic cylinder is rotatably connected with the connecting seat.
9. The rapid butt clamp for welding large-caliber pipelines according to claim 2, wherein the first sliding strips are fixedly arranged on two sides of the locking piece, the second sliding strips are fixedly arranged on two sides of the crawling piece, the first sliding strips and the second sliding strips are respectively and slidably connected with the two corresponding groups of sliding holes, the locking piece end part is fixedly provided with a locking block, the crawling piece end part is rotatably provided with a roller, the locking block is abutted or separated from the outer wall of the pipeline, and the roller is in rolling connection or separation with the outer wall of the pipeline.

Description

Quick butt clamp for welding large-caliber pipeline Technical Field The utility model relates to the technical field of pipeline welding, in particular to a rapid butt clamp for welding a large-caliber pipeline. Background The pipeline is formed by connecting pipes, pipe connectors, valves and the like, is used for conveying gas, liquid or fluid with solid particles, and has wide application range, and is mainly used for water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices. The large-caliber pipeline is a pipeline with the caliber of 500mm or more, when the pipeline is installed, the butt joint is difficult, the time is long, the butt joint is easy to generate, the butt joint is easy to cause, the existing butt joint clamp is used for connecting the pipeline in a long distance, the whole butt joint clamp is required to be lifted once at the welding part of the end part of each pipeline, the workload is large, and when the pipeline is in butt joint, the pipeline is required to be manually moved to the position close to the butt joint clamp, and then concentric butt joint is carried out, so that the working efficiency is lower. Disclosure of utility model The utility model mainly aims to provide a rapid butt clamp for welding a large-caliber pipeline, which can effectively solve the problems. The utility model provides a technical scheme that a rapid butt clamp for welding a large-caliber pipeline comprises two groups of supporting parts, a plurality of groups of locking parts and a plurality of groups of butt joint parts, wherein the two groups of supporting parts are arranged at intervals, the supporting parts are sleeved on the outer side of the pipeline, the two groups of supporting parts are fixedly connected through fixing rods, the supporting parts comprise supporting semi-rings, two ends of each supporting semi-ring are respectively provided with a movable ring in a rotating mode, when the movable rings are combined with the supporting semi-rings, the whole supporting parts are in a major arc shape, a plurality of mounting holes are formed in the supporting semi-rings in a penetrating mode at intervals along the circumferential direction, the middle of each movable ring is provided with the corresponding mounting hole in a penetrating mode, the plurality of groups of locking parts are respectively arranged in the mounting holes of the supporting semi-rings and the corresponding movable rings, the groups of butt joint parts are arranged on the side wall of one group of the supporting parts at intervals along the circumferential direction, each locking part comprises a locking part and a crawling part, and the locking part and the crawling part in the same locking part is in butt joint with the outer wall of the pipeline at most one. Further, two sliding holes are formed in the inner walls of the two sides in the mounting hole at intervals, wherein the two sliding holes are arranged in a group, the locking piece and the crawling piece are respectively connected with the sliding holes of the corresponding group in a sliding manner, the middle part of the mounting hole is fixedly provided with a fixing shaft, and the middle part of the fixing shaft is rotationally provided with a connecting piece. Furthermore, the surface of the two ends of the connecting piece is provided with a sliding groove, a movable rod is arranged in the sliding groove in a sliding way, the end part of the movable rod is fixedly provided with a connector, and the connector is rotationally connected with the side wall of the locking piece or the side wall of the crawling piece. Further, the middle part outside the mounting hole is rotationally provided with a switching hydraulic cylinder, one end, close to the locking piece, of the outer side surface of the connecting piece is fixedly provided with a connecting plate, and the end part of a piston rod of the switching hydraulic cylinder is rotationally connected with the connecting plate. Further, the butt joint portion comprises a hinge seat, the hinge seat is fixedly connected with a corresponding support semi-ring or movable ring, a rotary frame is rotatably arranged on the hinge seat, a rotary motor is arranged in the middle of the outer wall of one side of the hinge seat, and an output shaft of the rotary motor is fixedly connected with the end part of the rotary frame. Further, the installation groove has been seted up to the inside one end that keeps away from supporting part of rotatory frame, and the one end that is close to supporting part in the installation groove is provided with the butt joint pneumatic cylinder, and the piston rod tip fixedly connected with slider of butt joint pneumatic cylinder, slider and installation groove sliding connection. Further, dodging holes are formed in the surface of one side, close to the center of the suppo