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A cable joint marking method and its automatic coding system

A technology for cable joints and markings, applied in the direction of insulated cables, marking conductors/cables, cables, etc., can solve problems such as insufficient accuracy, low production efficiency, and inability to meet marking requirements, and achieve the effect of ensuring integrity and high accuracy

Active Publication Date: 2017-05-24
GUIZHOU EAST NEW TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above three identification methods exist respectively: 1. The production efficiency is too low
2. Insufficient accuracy
3. Various defects such as marking requirements cannot be realized after multiple times of plastic coating insulation and sheath layer

Method used

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  • A cable joint marking method and its automatic coding system

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] In the embodiment, as shown in the figure, a magnetic detection device 3 and an inkjet printer 4 are set up between the wire pay-off machine 1 and the wire take-up machine 2, and the controller controls the inkjet printer 4 to work, and obtains position information from the magnetic detection device 3 ( Including the position of the joint and the moving distance of the cable itself), and then control the inkjet printer 4 to print code when the cable reaches the predetermined position.

[0020] specific method:

[0021] 1. First, when welding the heating wire, attach a magnetically conductive material at the position of the hot and cold gold joint (on the left or right side of the welding point). In this embodiment, iron is used as the magnetically conductive material, and small iron sheets are pre-processed. , and then wrap the small iron sheet on one side of the hot and cold joints, and use a tool to squeeze and fix it.

[0022] 2. After completing the processing of e...

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PUM

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Abstract

The invention discloses a cable joint marking method and matched equipment implementing the same. The cable joint marking method includes steps of attaching permeability magnetic material at a cable joint after welding; arranging a detecting device for detecting attachment of the permeability magnetic material on a production line during cable sheath coating and molding; and printing codes to mark on the sheath of the attachment position of iron material. With no affection on processing procedure of cables, completeness of sheaths of various layers outside metal wires can be guaranteed, and accuracy is high. The cable joint marking method is not only applicable to heating cables but other cables.

Description

technical field [0001] The invention relates to a method for detecting and marking metal wire connection joints in cables, and also relates to equipment for implementing the method. Background technique [0002] The heating cable is mainly used for ground radiation heating. The heating cable is composed of a heating wire, a cold wire and a welded joint between the heating wire and the cold wire. During the construction process, its joints must be placed at a specific position on the ground, and no bending is allowed within 20 centimeters at both ends of the joints. In order to ensure that the requirements of the construction regulations are met during the construction process, the outer sheath layer of the welded joint must be marked accurately and clearly. After the heating cable is produced, the outer heating wire will be wrapped with multi-layer structures such as insulating layer, shielding layer, and sheath layer, so that the position of the joint cannot be identified ...

Claims

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Application Information

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IPC IPC(8): H01B13/34H01B7/36
Inventor 吕为安
Owner GUIZHOU EAST NEW TECH DEV