Manufacturing method of aluminum-clad invar steel core super-heat-resistant aluminum alloy wire

Abstract

The invention discloses a manufacturing method of an aluminum-clad invar steel core super-heat-resistant aluminum alloy wire. The manufacturing method comprises the steps of S1, preparing a central monitoring unit; S2, twisting a plurality of aluminum-clad invar steel wires on the periphery of the central monitoring unit in the extension direction of the central monitoring unit by taking the central monitoring unit as a center to prepare a reinforcing layer; S3, preparing super-heat-resistant aluminum alloy wires, wherein the cross sections of the super-heat-resistant aluminum alloy wires arein an "SZ" shape; S4, enabling the super-heat-resistant aluminum alloy wires with the cross sections in the "SZ" shape to penetrate through a straightening pipe for straightening the super-heat-resistant aluminum alloy wires; S5, enabling the straightened super-heat-resistant aluminum alloy wires in the step S4 to penetrate through a limiting device for preventing the super-heat-resistant aluminumalloy wires from being turned over or moved; and S6, enabling the super-heat-resistant aluminum alloy wires to synchronously penetrate through a stranding cage, and tightly twisting the super-heat-resistant aluminum alloy wires on the periphery of the reinforcing layer in the extension direction of the reinforcing layer by taking the reinforcing layer as a center to form a conductive layer. According to the method, the aluminum alloy wires are flat and stable in the twisting process, so that the quality of a finished product is improved.

Description

technical field [0001] The invention relates to the technical field of overhead wires, in particular to a method for manufacturing an aluminum-clad Invar core super-heat-resistant aluminum alloy wire. Background technique [0002] With the sustained and rapid development of my country's national economy, the differentiated requirements for power transmission capacity and power transmission equipment are becoming more and more obvious. Along with the construction of new lines, old lines that have been in operation for many years are also facing line change and transformation. In order to reduce the construction period of old lines and reduce the investment in line construction, the main technical solution is to use the original towers to directly replace special capacity-enhancing conductors. [0003] The aluminum alloy strands on the outer layer of the traditional conductors mostly use round aluminum alloy wires in cross section, but after the round aluminum alloy wires are ...

AI Technical Summary

Problems solved by technology

[0005] 1. In the process of wire drawing of profile aluminum alloy rod, there is a broken wire;

[0006] 2. When the aluminum alloy wire is unwound, there is a jumper or the aluminum alloy wire is bent;

[0007] 3. When the aluminum alloy wires are twisted, there are shifts and flips, resulting in too large gaps between the aluminum alloy wires after splicing

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