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Suspension insulator

A suspension insulator, molecular weight technology, applied in the field of power transmission, can solve problems such as loss of insulation performance and insulator damage, and achieve the effects of weight reduction, load reduction, and low density

Active Publication Date: 2010-02-17
淄博泰光电力器材厂 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Flashover occurs on the surface of the insulator, and burn marks can be seen, but usually the insulation performance is not lost; breakdown occurs inside the insulator, and the discharge occurs through the ceramic body between the iron cap and the iron foot. Insulators may be completely destroyed by arcing

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0025] The main silicone rubber material of the silicone rubber used in this example is methyl vinyl silicone rubber, which adopts octamethylcyclotetraoxosilane (abbreviated as D4) to open the ring at high temperature, then polymerize, and then add vinyl and head The chain-type helical siloxane molecular structure formed by the agent, the molecular weight is generally 300,000-700,000.

[0026] The silicone rubber referred to in this article refers to parts made of silicone rubber. The main silicone rubber material is the main raw material for making silicone rubber, generally referring to high molecular polymers. That is to say, after the main silicone rubber material is added with various additives such as vulcanizing agent and reinforcing agent, the part formed by heating and pressing is called silicone rubber, and it can also be called silicone rubber composite material.

[0027] The preparation method of silicone rubber comprises the following two steps:

[0028] a) Weig...

Embodiment 2

[0037] Embodiment 2 differs from Embodiment 1 in that the structural height is 7910 mm and the minimum arc distance is 7000 mm. The effect is that the minimum nominal creepage distance is 25250mm, the lightning full-wave impulse withstand voltage is not less than 3200kV, the wet operation impulse withstand voltage is not less than 2000kV, the power frequency 1min wet withstand voltage is not less than 1300kV, the rated voltage is 1000kV, and the rated mechanical The load is 400kN.

Embodiment 3

[0039] Embodiment 3 differs from Embodiment 1 in that the structural height is 7900 mm and the minimum arc distance is 7000 mm. The effect is that the minimum nominal creepage distance is 25250mm, the lightning full-wave impulse withstand voltage is not less than 3200kV, the wet operation impulse withstand voltage is not less than 2000kV, the power frequency 1min wet withstand voltage is not less than 1300kV, the rated voltage is 1000kV, and the rated mechanical The load is 300kN.

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Abstract

The invention discloses a suspension insulator made of silicone rubber. Compared with the prior art, the provided suspension insulator is made of silicone rubber; because the suspension insulator haslow density, the weight of the suspension insulator is largely reduced relative to a ceramic suspension insulator or a glass suspension insulator; the load of an iron tower can be reduced and the suspension insulator can be conveniently disassembled and installed. The provided suspension insulator is especially suitable for the field of power transmission.

Description

technical field [0001] The invention relates to a suspension insulator and belongs to the field of power transmission. Background technique [0002] With the rapid development of the world economy, the power grids of various countries are increasingly developed. The demand for various components used in grid wiring is also increasing, and insulators are one of them. Insulators, commonly known as porcelain bottles, are insulators used to support wires. Insulators can ensure sufficient insulation for conductors, cross arms and towers. It should be able to withstand the load in the vertical direction of the wire and the tension in the horizontal direction during operation. It also withstands the sun, rain, climate change and chemical corrosion. Therefore, insulators must have both good electrical properties and sufficient mechanical strength. The quality of the insulator is very important to the safe operation of the line. [0003] Insulators can be divided into supportin...

Claims

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Application Information

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IPC IPC(8): H01B17/04H01B3/28H01B17/44
Inventor 刘振亚王绍武滕国利
Owner 淄博泰光电力器材厂
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