Flexible hose resistant to high temperature and corrosion and not prone to aging and preparation method of flexible hose

Abstract

The invention provides a flexible hose resistant to high temperature and corrosion and not prone to aging. The flexible hose comprises an inner pipe, sealing rings are fixedly connected to the front end and the rear end of the inner pipe, a plurality of anti-skid protrusions are fixedly connected to the outer side of the inner pipe, a reinforcing net sleeve is arranged on the outer side of the inner pipe, and an outer pipe is arranged on the outer side of the reinforcing net sleeve. The reinforcing net sleeve arranged between the inner pipe and the outer pipe can improve the tensile resistance and the pressure resistance of the flexible hose while ensuring the bendability of the flexible hose, the reinforcing net sleeve is formed by weaving a plurality of composite reinforcing ropes, the composite reinforcing ropes are formed by weaving a plurality of strands of glass fibers on steel wires, and the steel wires can provide better supporting performance, and the glass fiber can improve corrosion resistance and heat resistance of the steel wire.

Description

technical field [0001] The invention relates to the technical field of flexible hose preparation, in particular to a high-temperature-resistant, corrosion-resistant and non-aging flexible hose and a preparation method thereof. Background technique [0002] High-pressure rubber hoses are mainly used in hydraulic transmission systems. The working medium is mainly oil, the working temperature and pressure are high, and the service conditions are relatively harsh. The rubber hose with excellent comprehensive performance is very important to ensure the reliable operation of the entire hydraulic system. The existing soft The pipe is generally composed of a flat steel strip wound into a steel strip hose and then covered with a protective layer made of polyethylene or polyvinyl chloride on the outer wall of the steel strip hose. [0003] Existing flexible hoses cannot bear large impact force and are easily crushed, and because the inner wall of the hose is coiled by a flat steel str...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a high-temperature-resistant, corrosion-resistant, and non-aging flexible hose and its preparation method, which solves the problem that the existing flexible hose cannot withstand large impact forces and is easily crushed. And because the inner wall of the hose is coiled by a flat steel strip, there is a protrusion at each pitch, the friction force is relatively large, and the outer side of the hose is easy to age.

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