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Easily-identified framework type cable

A skeleton-type, easy-to-identify technology, applied in the direction of insulating cables, cables, circuits, etc., can solve problems affecting cable life, affecting construction progress, and cable section damage, and achieves fast construction, simple structure, and easy fabrication. Effect

Active Publication Date: 2015-06-17
STATE GRID ZHEJIANG HANGZHOU XIAOSHAN POWER SUPPLY CO +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is a pity that since the skeleton groove is usually located inside the sheath, it is extremely difficult to accurately find out the cable core in the skeleton groove to be used without peeling off the sheath. During construction, it is necessary to strip the cable sheath, which causes damage to the entire section of the cable, affects the life of the cable, and affects the progress of the construction

Method used

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  • Easily-identified framework type cable
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  • Easily-identified framework type cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] please see Figure 1 to Figure 2 , an easily identifiable skeleton cable, which includes a skeleton 1, a reinforcement 2 located in the center of the skeleton, three skeleton grooves 11 located on the outer circumference of the skeleton and separated from each other, a cable core wire 3 located in the skeleton groove, and a covering The protective layer 4 on the skeleton and the sheath 5 extruded on the protective layer, the bottom surface of each skeleton groove is flat, and the reinforcement and the skeleton are formed by extrusion together; the feature is that the skeleton groove is on the outer circumference of the skeleton Distributed parallel to each other and extending parallel to the reinforcement; there are three identification strips extending parallel to the axial direction of the reinforcement on the surface of the sheath, which are respectively the first identification strip 61, the second identification strip 62 and the third identification strip 63; the ...

Embodiment 2

[0032] please see image 3 , and refer to figure 1 and figure 2 , The easy-to-identify skeleton cable is basically the same as that in Example 1, except that the width of the identification strip at the corresponding position is smaller than the width of the skeleton groove.

Embodiment 3

[0034] please see Figure 4 to Figure 6 , and refer to Figure 1 to Figure 3 , an easily identifiable skeleton cable, which is basically the same as that in Example 1, except that each marking strip is intermittent; along the axial direction of the reinforcement, the intermittent positions between the marking strips are the same; the intermittent The lengths are equal.

[0035] Of course, for the easily identifiable skeleton cables described in any of the above implementation examples, the skeleton type can also be other multiples, such as two, four, five, six, eight, ten, twelve, etc. etc.; there may be multiple corresponding identification strips.

[0036] Furthermore, the number of identification strips can be one less than the number of skeleton grooves, so that the purpose of easy identification and search can also be achieved.

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Abstract

The invention belongs to the technical field of cables, and provides an easily-identified framework type cable. The easily-identified framework type cable comprises a framework, a reinforcing assembly, framework slots, cable core lines, a protective layer, and a sheath, wherein the reinforcing assembly is arranged at the center of the framework, the framework slots are arranged on the outer circumference of the framework and are isolated from each other, the cable core lines are arranged in the framework slots, the protective layer coats the framework, the sheath is arranged on the protective layer in an extrusion molding manner, and the bottom of each framework slot is a plane. The easily-identified framework type cable is characterized in that the framework slots are distributed on the outer circumference in parallel; the surface of the sheath is provided with sign strips axially in parallel with the reinforcing assembly; the sign strips are arranged above the framework slots, and the width of a sign strip at a corresponding position is not larger than the width of each framework slot; on the positive projection of the bottoms of the framework slots, the sign strips above the framework slots all fall into the bottoms of the framework slots; the sign strips are continuous or discontinuous; and the sign strips are protruded out of the sheath. The easily-identified framework type cable provided by the invention mainly solves the problem of identification of the framework type cable, and has the following main beneficial effects that the structure is simple, the manufacturing is easy, the construction is quicker and more convenient, and the service life of the cable is longer.

Description

[0001] This application is a divisional application with the title of invention: an easily identifiable skeleton cable; application number: 201210103177.5; application date: April 7, 2012. technical field [0002] The invention belongs to the technical field of cables, in particular to an easily identifiable skeleton cable. Background technique [0003] Skeleton cables have been widely used. It is usually composed of a skeleton, a central reinforcement, a cable tie, a moisture barrier, a sheath, and a cable core. There are multiple skeleton slots on the skeleton, and the cable cores are placed in the skeleton slots. , the skeleton groove is a unidirectional helix or a forward and reverse helix or a straight groove. Because the cable core wires in the skeleton cable are usually placed in parallel in the skeleton groove, the cable core wires in each groove do not need to be twisted with each other, so there is no need to back twist during construction, just take it out from th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/17H01B7/36G02B6/44
Inventor 范明霞张剑张国连叶刚进章强华陈小飞韩荣杰许金彤谭卓强万燕珍潘建新吴国权余彬
Owner STATE GRID ZHEJIANG HANGZHOU XIAOSHAN POWER SUPPLY CO