Anti-torsion high-pressure conveying pipeline applied to hydraulic systems

Abstract

The invention discloses an anti-torsion high-pressure conveying pipeline applied to hydraulic systems and belongs to the field of high-pressure conveying pipelines. The anti-torsion high-pressure conveying pipeline applied to the hydraulic systems comprises a high-pressure hose body, wherein an inner rubber layer, a reinforcement layer, a middle rubber layer and an outer rubber layer are successively arranged in the high-pressure hose body from inside to outside; the reinforcement layer comprises an ordinary spiral wrapping tape and a two-way anti-torsion spiral wrapping tape; the two-way anti-torsion spiral wrapping tape is spiral; a pair of two-way anti-torsion units are arranged in a spiral gap of the two-way anti-torsion spiral wrapping tape; the two-way anti-torsion units comprise a forward torsion extrusion unit and a reverse torsion extrusion unit; the forward torsion extrusion unit is located on the upper side of the reverse torsion extrusion unit; the reinforcement layer of ahigh-pressure hose is formed by two layers of spiral wrapping tapes; the two-way anti-torsion units are arranged on the spiral wrapping tapes, so that the high-pressure hose has two-way torsion resisting performance, the self anti-torsion performance of the high-pressure hose is greatly improved, and the replacement frequency of the high-pressure hose is reduced.

Description

technical field [0001] The invention relates to the field of high-pressure delivery pipelines, and more specifically relates to a twist-resistant high-pressure delivery pipeline applied to hydraulic systems. Background technique [0002] High-pressure rubber hose is used in mine hydraulic support, oil field development, engineering construction, lifting transportation, metallurgical forging, mining equipment, ships, injection molding machinery, agricultural machinery, various machine tools, and various industrial sectors mechanized and automated hydraulic systems. Petroleum-based (such as mineral oil, soluble oil, hydraulic oil, fuel oil, lubricating oil) and water-based liquids (such as emulsion, oil-water emulsion, water) and pipelines for liquid transmission. [0003] The structure of the high-pressure steel wire wound rubber hose is mainly composed of an inner rubber layer, a middle rubber layer, four or more alternately wound steel wire reinforcement layers and an outer...

AI Technical Summary

Problems solved by technology

(2) The operating temperature of the oil is too high

(3) The selection and installation of the rubber hose are unreasonable

[0007] At present, the problem of torsional cracking of hoses has not been well solved. The reason for this phenomenon is that the hoses are subjected to excessive torsion during installation or use. The existing high-pressure hoses have poor torsion resistance. , the inner layer of the high-pressure hose is frequently damaged due to excessive torsion, and once damaged, it needs to be replaced immediately

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