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High strength composite material combination power cable support

A composite material and power cable technology, applied in the direction of pipe supports, pipes/pipe joints/pipe fittings, mechanical equipment, etc., can solve the problem of rising surface temperature of the cable outer sheath, affecting the transmission capacity of the cable, increasing the thermal resistance of the surrounding medium, etc. Problems, to achieve the effect of excellent mechanical properties, excellent fire resistance, good instantaneous high temperature ablation performance

Active Publication Date: 2014-08-27
SHANGHAI MUNICIPAL ELECTRIC POWER CO +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (2) For high-voltage single-core cables, when the outer sheath of the cable is damaged, it may form a grounding loop through the steel structure support or generate gap discharge, resulting in further damage to the outer sheath of the cable
[0005] (3) The high-voltage single-core large-section cable, due to the action of the alternating electromagnetic field during operation, will produce obvious eddy current loss and hysteresis loss on the conductive magnetic medium steel structure cable support, resulting in an increase in the temperature of the support, thus making the cable outside The surface temperature of the sheath rises, and the thermal resistance of the surrounding medium increases, which affects the transmission capacity of the cable

Method used

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  • High strength composite material combination power cable support
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  • High strength composite material combination power cable support

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as figure 1 As shown, a high-strength composite material composite power cable support, the support includes a column 1 and two arms, the arms include an upper arm 2 and a side arm 3 respectively connecting the upper arm and the column, and also includes a clamp 4, the clamp 4 is provided with four, two by two fixed on the upper arm 2 of the two arms, the clamp includes an upper clip body 41, a lower clip body 42 and a fixing seat 43, and the lower clip body 42 is fixed on the fixing seat 43, The upper clamp body 41 is fixed on the lower clamp body 42 by bolts, and the upper clamp body 41 and the lower clamp body 42 are connected by bolts to form a through hole matching the outer diameter of the cable. The size of the through hole can be adjusted by bolts to adapt to different According to the needs of outer diameter cables, positioning grooves 44 are provided on both sides of the fixing seat 43, and the fixing grooves 44 have a certain length, so the horizontal po...

Embodiment 2

[0041] The parts of the bracket are prepared by the following method: 100 parts by weight of resin, 30 parts by weight of glass fiber, 15 parts by weight of flame retardant triphenyl phosphate, 0.8 parts by weight of antioxidant 168, and 8 parts by weight of mica are uniformly mixed and injected forming. All the other are with embodiment 1.

Embodiment 3

[0043] The parts of the bracket are prepared by the following method: 100 parts by weight of resin, 20 parts by weight of glass fiber, 25 parts by weight of flame retardant RC200, 0.2 part by weight of antioxidant 1010, and 5 parts by weight of filler kaolin are uniformly mixed and injection molded. All the other are with embodiment 1.

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Abstract

The invention relates to a high strength composite material combination power cable support, which enables a high strength composite material to serve as a raw material. A support structure comprises a vertical column and at least one support arm, the support arm comprises an upper arm and lateral arms respectively connected with the upper arm and the vertical column, at least a clamp is arranged on the upper arm of each support arm. Compared with the prior art, the high strength composite material combination power cable support has the advantages of being flexible, convenient, long in service life and the like.

Description

technical field [0001] The invention relates to a bracket for cables, in particular to a high-strength composite material composite power cable bracket. Background technique [0002] In substation cable layers, cable trenches, cable tunnels and other power cable structures, the brackets used to support and fix cables play a very important role in cable installation and operation. In general projects, steel structure cable supports are used. The structure is generally welded with angle steel and civil embedded parts or assembled with channel steel and steel plates. This kind of support has the following problems: [0003] (1) Easy to rust. Steel structure cable brackets have poor antirust and chemical corrosion resistance, especially in humid environments, in long-term waterlogged cable trenches and cable wells, steel structure cable brackets corrode quickly, even after galvanized treatment, they will inevitably suffer from corrosion . Usually, steel supports need to be ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L3/06
Inventor 高小庆郑思国何真珍
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO