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A method for overhauling lightning arresters of transmission lines

A technology for transmission lines and arresters, applied in the direction of overhead lines/cable equipment, etc., can solve the problems of loss of arresters, confusion of arresters, etc.

Inactive Publication Date: 2020-02-07
张子寒
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the process of overhauling the arrester, it is necessary to remove the arrester for inspection. When carrying out large-scale overhaul, it is necessary to overhaul multiple arresters. Confused, there may also be a phenomenon that the arrester is lost

Method used

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  • A method for overhauling lightning arresters of transmission lines
  • A method for overhauling lightning arresters of transmission lines
  • A method for overhauling lightning arresters of transmission lines

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Embodiment Construction

[0019] In some cases, the support for maintenance of lightning arresters for transmission lines of the present invention includes: a substantially horizontal backing plate and a shelf, and a substantially vertical left support connected to the left and right ends of the backing plate and the shelf respectively plate and the right support plate; the thickness of the backing plate is less than the distance between two adjacent silicon rubber umbrella skirts of the lightning arrester, and the front part of the backing plate is provided with one or more U-shaped grooves opening outward; the The shelf is arranged below the backing plate, the front and back width of the shelf is greater than or equal to the depth of the U-shaped groove, and the left-right width of the shelf is greater than or equal to the width of the U-shaped groove; the shelf A conductive flexible pad is provided on the upper surface corresponding to the position of the U-shaped groove, and the flexible pad is grou...

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Abstract

The invention discloses a bracket for overhauling a lightning arrester of a transmission line. The bracket comprises a backup plate, a shelf, a left support plate and a right support plate, wherein the backup plate and the shelf are horizontally arranged basically; the left support plate and the right support plate are connected with the left ends and the right ends of the backup plate and the shelf separately and are basically vertical; a conductive flexible pad is arranged on the upper surface of the shelf and is grounded; and a pressure sensor is arranged at the lower part of the flexible pad. According to the bracket, management on the lightning arrester can be reinforced, the safety is improved, the damage to the lightning arrester is avoided, and meanwhile, the work efficiency is greatly improved.

Description

technical field [0001] The invention relates to a method for overhauling a lightning arrester of a power transmission line. Background technique [0002] The arrester is connected between the cable and the earth, usually in parallel with the protected equipment. The lightning arrester can effectively protect the communication equipment. Once abnormal voltage occurs, the lightning arrester will act and play a protective role. In daily operation, the pollution status of the porcelain bushing surface of the arrester should be checked frequently, because when the porcelain bushing surface is seriously polluted, the voltage distribution will be very uneven. In an arrester with parallel shunt resistance, when the voltage distribution of one of the components increases, the current passing through its parallel resistance will increase significantly, which may burn out the parallel resistance and cause failure. Therefore, when the surface of the lightning arrester porcelain sleeve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/02
CPCH02G1/02
Inventor 张子寒
Owner 张子寒