A large-diameter low-rigidity balanced flexible joint of a living flange self-locking joint

Abstract

The invention relates to a large-diameter low-rigidity balancing flexible connecting tube for a moveable flange and a self-locking joint. The connecting tube comprises a flexible tube body and buckling joints, wherein an inner glue layer, a skeleton layer and an outer glue layer are successively arranged in the flexible tube body from inner to outer; the buckling joints are symmetrically arranged at the two ends of the flexible tube body; each of the buckling joints comprises an outer pressing ring and an inner pressing ring; the outer pressing ring is arranged on the exterior of the inner glue layer at the end part of the flexible tube body in a sleeving manner; the front end of the skeleton layer is outward back turned and reversely wrapped on the front end face and the side wall of an annular plate; the inner glue layer, the skeleton layer, the outer glue layer, the outer pressing ring and the inner pressing ring are vulcanized and integrally formed. Through the symmetrical structures at the two ends of the tube body and the structure of the buckling joints, the technical problems of the traditional connecting tube of easiness in creeping, aging and losing efficacy, falling risk, complex joint structure, high dead weight, low flexibility, inferior vibration-reducing noise-attenuating effect, insufficient displacement compensation performance and easiness in cracking of welding joint are solved.

Description

technical field [0001] The invention relates to a large-diameter low-rigidity balanced flexible connecting pipe of a living flange self-locking joint, which belongs to the technical field of pipeline connectors and is mainly used for pipeline systems of various working media such as oil and water. Background technique [0002] In various industrial fields such as petroleum, chemical industry and shipbuilding, hydraulic and pneumatic pipelines will generate corresponding forces and displacements under the action of factors such as thermal expansion and contraction, vibration and shock, so rubber is widely used in pipeline systems. The flexible pipe body plays the role of vibration reduction and noise reduction, impact resistance, displacement compensation and transmission medium. In the design and use, not only the requirements of the pipe body’s compressive strength, fatigue resistance, displacement compensation ability, etc. must be considered, but also the Consider require...

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a large-diameter low-rigidity balanced flexible joint of a living flange self-locking joint to solve the problems of creep, aging, failure, risk of pulling out, complex joint structure, heavy self-heavy, poor flexibility, and problems with traditional joints. Poor vibration and noise reduction effect, insufficient displacement compensation performance, and technical problems that the weld seam is easy to open.

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