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Mica insulator

A mica insulation and body technology, applied in the structural field of the mica insulator, can solve the problems of improper material selection, blackening of metal inserts, incomplete process, etc., and achieve the effect of meeting technical requirements, excellent electrical performance and weather resistance performance.

Inactive Publication Date: 2010-08-11
上海均达科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the early stage of mica insulator development, due to unreasonable structural design, improper material selection, and incomplete technology, the surface of mica insulators fell powder, loosen

Method used

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Embodiment Construction

[0010] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0011] Depend on figure 1 It can be seen that the present invention includes: a body; said body includes: a female metal insert 1 and a male metal insert 2 made of hexagonal stainless steel with internal threads or external bolts and cutting grooves. There is a certain gap between the inserts; a mica glass insulating layer 3 composed of mica powder and glass powder is embedded between the two metal inserts; a coating 4 composed of organic silicon is coated on the outer surface of the body;

[0012] The shapes of the female metal insert 1 and the male metal insert 2 are: two ends are full internal threads or two ends are full external bolts or one end is internal thread and the other end is external bolts.

[0013] In the present invention, metal inserts (1, 2) wrap mica glass insulation inside and outside, and are hot-pressed into a mold, and t...

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Abstract

The invention relates to a mica insulator which comprises an insulator body; the insulator body comprises two metal pieces, i.e. a female metal insert (1) which is provided with internal thread or an outer bolt turned from hexagonal stainless steel and a cutting groove, and a male metal insert (2), and a certain gap is arranged between the two metal inserts; a mica glass insulation layer (3) which comprises mica powder and glass powder is inlaid between the two metal inserts; a coating (4) which comprises organic silicon is applied on the outer surface of the insulator body; and the invention has the advantages that the tight, firm and reliable insulated combination of the metal inserts and the mica glass can meet the special technical requirements of a rail transit vehicle on the mica insulator; and the mica insulator has excellent high-temperature resistance, mechanical strength, electrical performance and weather resistant performance.

Description

technical field [0001] The invention relates to a mica insulator, in particular to the structure of the mica insulator. Background technique [0002] Insulators are the most widely used basic components in medium and high voltage transmission and distribution systems, used to insulate and support live parts. There are tempered glass insulators for high-voltage transmission and transformation lines, porcelain insulators with outer rod-shaped pillars, supported by epoxy rods, polymer composite insulators with silicone rubber shed outer insulation, etc. varieties and specifications. [0003] China's reform and opening up, the rapid increase of urban population has achieved the rapid development of China's urban rail transit industry, the existing insulators on the market can no longer meet the special technical requirements of the rail transit field. The insulators used in rail transit vehicles should have high temperature resistance, excellent mechanical strength (that is, h...

Claims

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Application Information

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IPC IPC(8): H01B17/14H01B17/50
Inventor 张汉清杨丽华
Owner 上海均达科技发展有限公司