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A cable using a spiral skeleton

A spiral and skeleton technology, applied in the field of cable materials and cables, can solve problems such as inconvenient construction and troublesome operation, and achieve the effect of convenient cable construction, simple production process, and guaranteed consistency

Inactive Publication Date: 2016-08-24
国网山东省电力公司单县供电公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The defect of this kind of cable is that when only a small amount of signal wires are actually needed, it is necessary to untwist the large cable core, then take out the small cable core, untwist the small cable core again, and take out the required signal wire; It is troublesome, and when constructing in the middle of the whole cable, the cross section of the cable is required. After the required signal lines are connected, the unused signal lines must be connected and processed. Therefore, the construction is extremely inconvenient

Method used

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  • A cable using a spiral skeleton
  • A cable using a spiral skeleton
  • A cable using a spiral skeleton

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] please see Figure 1 to Figure 3 , a spiral skeleton 1 is characterized in that it is composed of a central skeleton body 16, four bone leaves extending outward from the outer edge of the skeleton body and a reinforcement 15 inside the skeleton body; the four The bone leaf is the first bone leaf 11, the second bone leaf 12, the third bone leaf 13 and the fourth bone leaf 14 distributed clockwise on the cross section; the spiral skeleton is integrally formed; the bone leaf is The skeleton body is helically distributed and the helical direction of all bone lobes is the same; the pitch of all bone lobes is equal; the axial distance D between adjacent bone lobes is equal.

[0035] The above-mentioned spiral skeleton is characterized in that the bone leaves can be other multiple pieces.

[0036] The above-mentioned spiral skeleton is characterized in that the material of the skeleton body is low-density polyethylene, medium-density polyethylene, high-density polyethylene, l...

Embodiment 2

[0047] please see Figure 4 to Figure 5 , and refer to Figure 1 to Figure 3 , a cable characterized in that it contains:

[0048] A spiral skeleton 1 as described above, the spiral skeleton is located in the center;

[0049] Six transmission lines 2, the transmission lines are located in the skeleton grooves formed by adjacent bone leaves, and there are two transmission lines in the three skeleton grooves, and no transmission line is placed in one skeleton groove;

[0050] A protective layer 3 located outside the helical skeleton.

[0051] Certainly, the spiral skeleton in the above-mentioned cable may also be a skeleton with other multiple bone leaves.

[0052] Of course, further, the above-mentioned cable is characterized in that in the skeleton grooves formed by adjacent bone leaves, at least one of the skeleton grooves has a transmission line.

[0053] The above-mentioned cable is characterized in that: the transmission line is an optical fiber or a signal line or a p...

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Abstract

The invention belongs to the field of cable materials and cable technology, and in particular relates to a cable using a spiral skeleton, which includes a spiral skeleton, at least one transmission line, and a protective layer outside the spiral skeleton. The skeleton is composed of a central skeleton body, a plurality of bone leaves extending outward from the outer edge of the skeleton body, and reinforcements inside the skeleton body; the spiral skeleton is integrally formed; the bone leaves are attached to the skeleton body The outside is spirally distributed and the helical direction of all lobes is the same; the pitch of all lobes is equal; in the left view, the distance between adjacent lobes is equal. The skeleton body contains medium density polyethylene and elastomer. The invention mainly solves the problems of inconvenient cable construction and high cost in the prior art. The invention has the following main beneficial effects: the production process of the skeleton is simple, the equipment investment is small, the cable construction is more convenient and fast, and the service life of the cable is longer.

Description

[0001] This application is a divisional application for an invention patent titled: A spiral skeleton and a cable using the skeleton, the application number is 201310030180.3, and the filing date is January 28, 2013. technical field [0002] The invention belongs to the technical field of cable materials and cables, and in particular relates to a spiral frame and a cable using the frame. Background technique [0003] With the development of society, cables are widely used, and in the field of communication technology, signal cables are widely used. In the prior art, the signal cable is usually formed by twisting multiple signal wires to form a small cable core unit, and then multiple small cable cores are twisted to form a large cable core, and then the large cable core is covered and protected. formed by layers. The defect of this kind of cable is that when only a small amount of signal lines are actually needed, it is necessary to untwist the large cable core, then take o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/18G02B6/44
Inventor 苏启征曹慧王颖张旺祝凤兰
Owner 国网山东省电力公司单县供电公司