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A preparation process for seamlessly penetrating ground wire

A preparation process and seamless penetration technology, which is applied in the field of seamless penetration ground wire preparation process, can solve the problems of high power of combined drawing machine, high production processing rate, low production efficiency, etc., and achieve good product uniformity, occupying Small area, energy saving effect

Active Publication Date: 2019-08-13
ZHONGTIAN ALLOY TECH
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] At this stage, the combined drawing production process is generally adopted in the industry, but on the one hand, the combined drawing machine has a large power and volume, takes up space and consumes a lot of electricity; on the other hand, the combined drawing production needs to go through three or more processes at the same time. If the mold passes through three molds, the production and processing rate is high and it is easy to break. If more molds are passed, the production efficiency is too low

Method used

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Embodiment Construction

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments.

[0020] The preparation process of a seamless ground wire disclosed by the present invention specifically includes the following steps:

[0021] a. Sheath straightening: Straighten the coiled brass tube through a straightening machine. The straightening machine is straightened at a speed of 20m / min, and at the same time, it is ensured that the copper tube is straight and does not collapse during the straightening process. Tube, the straightened brass tube passes through the straightening wheel for secondary straightening and shaping. The two straightening wheels are arranged in three horizontal groups and three vertical groups, and also rotate at a speed of 20m / min;

[0022] b. Cable core: The cable core formed by the copper stranded wire is inserted into the straightened brass tube through the winch. After the cable core penetration i...

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Abstract

The invention reveals a seamless through ground line preparation technology comprising the following steps: sheath straightening, penetrating cable core, rolling, annealing and post-processing. The seamless through ground line preparation technology uses the rolling step to reduce the sheath outer diameter, thus reducing the equipment occupation area, preventing fracture problems caused by the drawing process, realizing higher speed when compared with a horn technology, and improving the processing efficiency.

Description

technical field [0001] The invention relates to a cleaning process of a copper strip, in particular to a preparation process of a seamless ground wire. Background technique [0002] The railway through ground wire is a kind of unified grounding system that integrates the traction power supply return system, power supply system, signal system, communication and other electronic information systems, buildings, track beds, platforms, bridges, tunnels, sound barriers, etc. along the railway line. The cable can make the ground potential of each working point of a wide range of railway electrical systems basically consistent, make the grounding of system equipment safe and reliable, eliminate the unbalanced current caused by the potential difference between different equipment, and realize the protection of personnel and equipment. Effective and reliable protection. [0003] At present, according to the classification of the outer sheath of the through ground wire, there are main...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B13/00H01B13/004H01B13/22H01B13/24
CPCH01B13/0016H01B13/004H01B13/224H01B13/227H01B13/228H01B13/24H01B13/245
Inventor 李晔陈爱华王英华
Owner ZHONGTIAN ALLOY TECH
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