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Clamped fixation type cable

A technology for clamping and fixing cables, applied in the field of power cables, which can solve the problems of moving and setting the cores, troublesome protective layers, etc., and achieve the effects of improving manufacturing efficiency, good connection stability, and avoiding random movement.

Inactive Publication Date: 2018-03-23
CHENGDU ZHONGFU LIXIANG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a clip-on fixed cable to improve the protection of multi-strand wire cores when the protective layer is set outside the multi-strand wire core. layer efficiency

Method used

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  • Clamped fixation type cable
  • Clamped fixation type cable
  • Clamped fixation type cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A clamping and fixed cable, the cable includes a cable core composed of multiple wire cores, the cable core is wrapped with a protective layer, the first filling layer is filled between the cable core and the protective layer, and the inner layer is sealed by the protective layer. The wire core is protected. Each strand of wire core includes multiple groups of core materials and insulating layers wrapped outside the multiple groups of core materials. Multiple groups of core materials may be distributed around one group of core materials. Multiple groups of core materials are wrapped with insulating layers, and the gap between the core materials and the insulating layers is filled with a second filling layer, which can cause interference between multiple groups of wire cores through the insulating layers. Of course, an insulating layer can also be provided outside each group of core materials, and the insulating layer on the core material is separated from the rest of t...

Embodiment 2

[0025] On the basis of Embodiment 1, the shape of the longitudinal section of the annular umbrella-shaped elastic member includes a cuboid and an isosceles trapezoid arranged sequentially from the inside to the outside. The length of the isosceles trapezoid is greater than the width of the cuboid, and the bottom corners of the isosceles trapezoid are respectively snapped into the slots of the insulating layers of the wire cores on both sides.

Embodiment 3

[0027] On the basis of Embodiment 1 or Embodiment 2, after the insulating layers of two adjacent wire cores are installed with the annular umbrella-shaped elastic member and the annular elastic member, a first gap, a second gap and a third gap are formed.

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Abstract

The invention discloses a clamping fixed cable, which belongs to the technical field of power cables, and aims to provide a clamping fixed cable, which improves the efficiency of setting a protective layer outside a multi-strand wire core. The cable includes a cable core, the cable core is wrapped with a protective layer, and the first filling layer is filled between the cable core and the protective layer; each strand of wire core includes multiple sets of core materials, and the cross-section of the core materials is a regular hexagon , multiple groups of core materials are wrapped with insulating layers, and the second filling layer is filled between the core materials and the insulating layers; the outer cylindrical surface of the insulating layer of each core is provided with a first groove and a convex ring, adjacent When two wire cores are connected, the first groove on the insulation layer of one wire core is spliced ​​with the protruding ring on the insulation layer of the other wire core to form a groove structure, and a ring is installed in the groove structure. Umbrella-shaped elastic member; the second groove on the insulating layer of one strand of wire core corresponds to the third groove on the insulating layer of the other strand of wire core to form a space, and a ring-shaped elastic member is installed in the space.

Description

technical field [0001] The invention belongs to the technical field of power cables, and in particular relates to a clamping fixed cable. Background technique [0002] With the rapid development of our country's national economy and the continuous improvement of people's living standards, the requirements for accelerating the construction of urban special-purpose power grids are becoming increasingly urgent. However, the application occasions of communication cables are complex, and the performance requirements for cables are extremely strict. Cables must have good mechanical and physical properties and be able to withstand various mechanical stresses, and the electrical properties will not deteriorate in harsh environments, so as to ensure long-term reliable work. However, existing cables generally have disadvantages such as poor shielding effect, low transmission speed, and poor anti-interference ability, especially for cables used in outdoor environments, which are diffi...

Claims

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Application Information

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IPC IPC(8): H01B5/02H01B7/02H01B7/40
CPCH01B5/02H01B7/02H01B7/40
Inventor 彭云杰李国
Owner CHENGDU ZHONGFU LIXIANG TECH