T-shaped double-seal leakage stopping clamp for pipeline and processing method

Abstract

The invention provides a T-shaped double-seal leakage stopping clamp for a pipeline and a processing method, and belongs to the technical field of quick leakage blocking, repairing or maintaining of pipelines in operation. The T-shaped double-seal leakage stopping clamp comprises a T-shaped clamp body, a propping sealing assembly, a circumferential sealing strip, spring-mounted universal balls, a circumferential sealing pressing plate, an axial sealing strip, an axial sealing pressing plate, a hoop, a top cover, a top cover fastening bolt, a locking nut and a half-clamping fastening bolt assembly; the T-shaped clamp body is a through body composed of a semicircular pipe housing and a vertical pipe which are vertically intersected, wherein the semicircular pipe housing is equipped with a lug plate, and while the top part of the vertical pipe is equipped with a flange; three sunken holes for mounting the spring-mounted universal balls are respectively uniformly arranged in two ends of the semicircular pipe housing along the housing; two circumferential sealing strip mounting grooves and two axial sealing strip mounting grooves are formed in the inner wall of the semicircular pipe housing; screw holes for pressure test or charging adhesive are respectively formed in four corners of an area surrounded with the four sealing grooves; a connecting plate is welded to the middle upper part of the vertical pipe; a threaded through hole for connecting the propping sealing assembly is formed in the center of the connecting plate.

Description

technical field [0001] The invention relates to a T-shaped double-sealing pipeline leakage plugging fixture and a processing method, and belongs to the technical field of rapid plugging, emergency repair or maintenance of pipeline leakage in operation. Background technique [0002] Mechanical pipeline maintenance fixtures are widely used in maintenance and emergency repair operations such as corrosion and perforation of operating pipelines, weld cracks, and accidental damage with minor damage because they do not require welding in the process of plugging leaks and have a fast construction speed. For medium and high pressure pipelines, the mechanical pipeline repair fixtures currently designed and produced in China generally adopt a single-sealed cabin structure, that is, two semi-circular and semi-clamps are connected together by bolts, and the two semi-clamps are sealed by axial sealing strips. At the leakage of the pipeline, the gap between the two ends of the clamp and th...

AI Technical Summary

Problems solved by technology

For underwater diver maintenance and emergency repair of shallow sea pipelines, due to the maintenance and emergency repair fixture of single sealed cabin structure, the requirements for the deviation of pipeline diameter and shape and position tolerance limit its applicability; the equipment is thick and heavy, and the installation procedures and requirements are high. It is difficult for divers to install underwater, and it is difficult to meet the installation requirements.

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