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Aerial lead super-soft multi-strand combined carbon fiber mandrel and manufacturing process thereof

A technology of overhead wires and carbon fibers, applied in the direction of cable/conductor manufacturing, conductors, conductive materials, etc., which can solve the problem that the advantages of stranded shape integrity no longer exist, and cannot well meet the needs of use, use stability, and reliability No high problems, to achieve the effects of slowing down the intensity of thermal aging, reliable position, and long normal service life

Pending Publication Date: 2019-02-19
HEBEI SILICON VALLEY CHEM CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the existing mandrel in the form of twisted multi-strand core wires, after one core wire is bent, damaged or broken, the integrity is damaged, and the bending fatigue damage of the remaining core wires during bending and winding will increase significantly, which is very easy to occur. If damaged, the advantages of stranded shape integrity no longer exist. Therefore, the stability and reliability of the existing helically stranded mandrel structure is not high, and it still cannot meet the needs of use in some special occasions.

Method used

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  • Aerial lead super-soft multi-strand combined carbon fiber mandrel and manufacturing process thereof
  • Aerial lead super-soft multi-strand combined carbon fiber mandrel and manufacturing process thereof

Examples

Experimental program
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Embodiment 1

[0025] Example 1, such as figure 1 As shown, the diameter of the carbon fiber composite core 1 is 3 mm; the strength is 2500 MPa; the outer periphery of the carbon fiber composite core 1 is also provided with a winding layer 3 of glass fiber, basalt fiber or carbon fiber, preferably made of glass fiber, and the thickness of the winding layer 3 is 0.5 mm; the preferred aluminum foil material of the cladding layer 2, the thickness is 1.1mm, the number of carbon fiber composite cores 1 in the carbon fiber composite core group is 7, one is in the middle, and the other six are parallel and merged around it, forming a Arrangement form of circular array;

[0026] The manufacturing process of the super-flexible multi-strand combined carbon fiber mandrel for overhead wires as described above includes forming the carbon fiber composite core 1 through the pultrusion process, and the process also includes the carbon fiber composite core 1 after the carbon fiber composite core 1 is formed....

Embodiment 2

[0030] Example 2, such as figure 2 As shown, as another form of carbon fiber mandrel, the number of carbon fiber composite cores 1 in the carbon fiber composite core group is 19, and there are three layers, with one mandrel in the center, 6 in the second layer, and 12 in the third layer. root. The mandrels of the outer layer and the sub-outer layer are evenly arranged on the circumference around the core layer. In the above-mentioned three-layer structure, the connection line between the axes of the carbon fiber composite core 1 at the periphery is a regular polygonal structure.

Embodiment 3

[0031] Embodiment 3, as the same structure as Embodiment 2, the number of carbon fiber composite cores 1 in the carbon fiber composite core group is 37, and four layers are arranged in total; 6, 12 on the third floor, and 18 on the fourth floor. The connecting lines between the axes of the carbon fiber composite core 1 located at the periphery are regular polygonal structures.

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Abstract

The invention relates to an aerial lead super-soft multi-strand combined carbon fiber mandrel which comprises one group of circular cross section carbon fiber composite cores. Axes of single carbon fiber composite cores in a carbon fiber composite core group are parallel, axis ligatures of the peripheral carbon fiber composite cores in the carbon fiber composite core group form a regular polygon structure, and an aluminum foil or tinfoil wrapping layer is arranged on the periphery of the carbon fiber composite core group. The mandrel overcomes the shortcomings of the prior art and is fixed bythe aluminum foil wrapping layer in a core wire combined manner, bending and winding performance of the mandrel is improved, strength is improved, heat and humidity resistance and ozone and ultraviolet aging performances are improved, use stability and reliability is remarkably improved, the mandrel can serve as a separate product to be prefabricated, a separate module is provided for lead preparation, and a production process is simplified.

Description

technical field [0001] The invention belongs to the technical field of wire mandrels, and in particular relates to a super-flexible multi-strand combined carbon fiber mandrel for overhead wires and a manufacturing process thereof. Background technique [0002] Conductor mandrel is used as the supporting core material of the wire. With the continuous advancement of material technology, it has become a well-known technical solution in the art to use organic composite materials as the mandrel core material; The multi-strand core wire twisting form, the multi-strand core wire twisting form twists and fixes the multi-strand core wires in a spiral manner, and even dips the glue to strengthen and fix the final shape. Compared with the single-strand core, the multi-strand core wire In the form of wire, its rigidity and winding and bending ability are significantly improved, and its service life and reliability are better. Compared with the form of a single core wire, the aluminum cr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B1/02H01B1/04H01B1/24H01B5/04H01B13/22
CPCH01B1/023H01B1/04H01B1/24H01B5/04H01B13/22
Inventor 宋利强宋聚强齐保军宋志强宋福如
Owner HEBEI SILICON VALLEY CHEM CO LTD
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