Preparation method of prestressed steel strand for cable suspension

A prestressed steel strand and cable technology, which is applied in the field of steel strand, can solve problems such as harsh conditions in the field, and achieve the effects of long service life, good use effect and high tensile strength

Inactive Publication Date: 2017-06-30
合肥悦兰信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology makes it possible for prestressed zinc plated steels with improved properties such as resistance against corrosive agents like salt or alkalis compared to traditional methods that only protect them from rusting without adding any extra layers on their surface. It allows these materials to last longer while still being effective at preventing damage caused by external factors like rainwater.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving the performance or lifespan of stealened steel reinforced cables (SRC) due to their use under severe environments such as sea floors where corrosive substances can attack them over time without losing its effectiveness.

Method used

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Embodiment Construction

[0020] In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the examples in the implementation manner, other examples obtained by those skilled in the art without creative work shall fall within the protection scope of the present invention.

[0021] A preparation method of a prestressed steel strand for cable suspension, characterized in that the steps are:

[0022] Take six galvanized steel wires, and each two galvanized steel wires are helically twisted into a primary stranded wire;

[0023] Then, immerse the three preliminary stranded wires into the molten gel, and then take them out to make the gel wrapped on the surface of the galvanized steel wire to solidify naturally;

[0024] Then thre

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Abstract

The invention provides a method for preparing prestressed steel strands for cable suspension. The steps are as follows: take six galvanized steel wires, twist each two galvanized steel wires into a preliminary strand; The preliminary stranded wire is immersed in the molten gel, and then taken out to allow the gel wrapped on the surface of the galvanized steel wire to solidify naturally; then the three preliminary stranded wires and a hose are spirally twisted again to form a prestressed galvanized steel strand The rubber hose is located between the three preliminary twisted wires; the rubber hose is composed of a tube body and a gel filled in the tube body, and a number of through holes are evenly opened on the tube body; the gel is made of resin and bauxite and asbestos powder, the mass ratio of the resin to bauxite and asbestos powder is 12:1.6:3.1. The invention can make the prestressed galvanized steel strand have the functions of waterproof, anti-corrosion and saline-alkali corrosion resistance, and also has the advantages of long service life, high tensile strength, less steel consumption, low cost and good use effect.

Description

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Claims

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Application Information

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Owner 合肥悦兰信息技术有限公司
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