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Ground wire strain insulator string

A technology of strain-resistant insulator strings and insulator strings, which is applied in the direction of insulators, suspension/strain insulators, adjustment/maintenance of mechanical tension, etc., and can solve problems such as ground wire falling off and affecting the operation of spanned facilities

Pending Publication Date: 2022-08-09
STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing ground wire insulator strings are all of the single hanging point type, that is, they are only connected to the iron tower through a single hanging point fitting, which does not meet the requirements of relevant departments
Once the hardware at the hanging point is broken or damaged, it is easy to cause the ground wire to fall off, which will affect the normal operation of the spanned facility

Method used

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Examples

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Embodiment 1

[0018] Example 1: A kind of ground line resistant insulation scholar string, see figure 1 Including main pull gold gear 1. Preparation of gold gear 2. Shanglian board 3, insulator string 4, lower couplet 5 and resistant to Zhangxin 6, insulator string 4 have at least two string, insulation skewers 4 ends with the upper couplet 3, respectively. , To connect to 5 hooks of the lower couplet, one end of the pyramids 6 is connected to the lower couplet 5 hooks, the main pull gold gear and the backlifting gold gear 2 are connected to the upper couplet 3 hooks. On the central line of the ground -to -tension string, the hanging point of the two golden gold gear 2 is set on both sides of the main pull gold gear 1.

[0019] See figure 2 The main pull gold gear 1 includes the hanging point gold gear 11 connected to the hook pull, the first U -shaped hanging ring 12, the extended ring 13 and the second U -shaped ring 14.

[0020] See image 3 The first UL type hanging ring 21, the third U -sha...

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PUM

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Abstract

The invention relates to a ground wire strain insulator string which comprises a main pulling fitting, a standby pulling fitting, an upper connecting plate, at least two insulator strings, a lower connecting plate and a strain clamp, the two ends of the insulator strings are connected with the upper connecting plate and the lower connecting plate in a hooking mode respectively, one end of the strain clamp is connected with the lower connecting plate in a hooking mode, and the other end of the strain clamp is connected with the standby pulling fitting. The main pulling fitting and the standby pulling fittings are connected with an upper connecting plate in a hooking manner, during use, the hanging points of the two standby pulling fittings are symmetrically arranged on the two sides of the main pulling fitting, and when the main pulling fitting bears force, the standby pulling fittings are arranged in a buckling manner. Therefore, a ground wire strain insulator string with more than two hanging points is provided.

Description

Technical field [0001] The present invention involves the ground wire resistance string of the overhead transmission line, which is specific to a ground wire resistance string. Background technique [0002] At present, when the 110KV overhead transmission line spans important electricity lines, railways, highways, and first -level highways, the ground lines require dual connectors. Among them, some railway and highway departments require that the ground lines must use two or more hanging points to hang points above or more. Double string. The existing ground wire insulator string is a single -hanging point, that is, it is connected to the tower with only one hanging point gold tool, which does not meet the requirements of the relevant departments. Once the goldenware is broken or damaged, it is easy to cause the ground line to fall off, which will affect the normal operation of the across facilities. Invention content [0003] The purpose of the present invention is to provide a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B17/04H01B17/38H02G7/02H02G7/05
CPCH01B17/04H01B17/38H02G7/05H02G7/02
Inventor 陶亚光吕中宾张瑚刘泽辉张博林芳李清叶中飞伍川炊晓毅马伦张世尧谢凯高超陈钊张帅宋高丽李梦丽
Owner STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST
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