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Anti-off pin insulator

A pin-type insulator, anti-falling technology, applied in the direction of pin-type insulators, insulators, electrical components, etc., can solve the problems of high maintenance rate, poor safety, easy to fall off, etc., to achieve safe and stable power lines, reasonable and compact structure, Ease of use

Inactive Publication Date: 2016-08-03
ILI POWER SUPPLY COMPANY SATE GRID XINJIANG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides an anti-falling pin insulator, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the problems of easy falling off, poor safety and high maintenance rate existing in the existing pin insulators

Method used

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  • Anti-off pin insulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: as attached figure 1 As shown, the above-mentioned locking nut limiting device includes a limit pin 10 and a strut 9, the limit pin 10 is located in the through hole of the insulating needle 2, and the two ends of the limit pin 10 are fixedly connected with the strut 9, and the strut 9 The upper end surface abuts against the lower end surface of the lock nut 4 . After installing and fixing the insulating pin 2, insert the limit pin 10 into the through hole at the lower part of the insulating pin 2, then bend the two ends and stand up to form two vertical struts 9 to ensure at least one vertical strut The upper end surface of 9 is against the lower end surface of lock nut 4, and the limit lock nut 4 loosens and moves down. The limit pin here can be made of metal material with high plasticity. According to needs, the two ends of the strut 9 and the limit pin 10 can be connected by snap-fitting or threading. The two ends of the limit pin 10 can be locked o...

Embodiment 2

[0022] Embodiment 2: as attached figure 2 As shown, the above lock nut limiting device includes a bolt 6, a limit nut 5 and a compression spring 7, the bolt 6 is fixed in the through hole of the insulating needle 2 through the limit nut 5, and the compression spring 7 is sleeved on the lock nut 4 and the insulating pin 2 between the bolt 6. After installing and fixing the insulating pin 2, set the compression spring 7 from the lower end of the insulating pin 2, press the compression spring 7 on the lower end surface of the lock nut 4, insert the bolt 6 into the through hole at the bottom of the insulating pin 2, and use it After the matching limit nut 5 fixes the bolt 6 on the lower part of the insulating needle 2, the compression spring 7 is released, and the compression spring 7 is in a compressed state between the lock nut 4 and the bolt 6, and an upward movement is given to the upper lock nut 4. thrust to prevent it from loosening and moving down.

Embodiment 3

[0023] Embodiment 3: as attached image 3 As shown, the above-mentioned lock nut limiting device includes a limiting clip 8 and a compression spring 7, the limiting clip 8 is fixed in the through hole of the insulating needle 2, and the compression spring 7 is sleeved between the limiting clip 8 and the bolt 6 Insulate on pin 2. After the insulating pin 2 is installed and fixed, the compression spring 7 is set from the lower end of the insulating pin 2, and after the compression spring 7 is pressed on the lower end surface of the lock nut 4, a limit clip 8 is installed in the through hole at the bottom of the insulating pin 2, Unclamp the compression spring 7, the compression spring 7 is in a compressed state between the lock nut 4 and the limit clip 8, and an upward thrust is given to the lock nut 4 above to prevent it from loosening and moving down.

[0024] According to actual needs, the above-mentioned anti-falling pin insulators can be further optimized or / and improved: ...

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Abstract

The invention relates to the technical field of power distribution line devices, and is an anti-dropping pin insulator, which includes a porcelain bottle, an insulating needle, a baffle plate, a lock nut and a limit device. The top of the insulating needle is fixed on the bottom of the porcelain bottle, and the middle part of the insulating needle is fixed with a The baffle, the outer wall of the insulating needle below the baffle is provided with threads, the insulating needle below the baffle is provided with a radial through hole, and a lock nut is set on the insulating needle between the through hole and the baffle, and the through hole is provided with There is a detachable lock nut limit device. In the present invention, a limit device is provided under the lock nut to prevent it from loosening and falling off, so that the power line using the anti-falling pin insulator is safer and more stable, and the present invention is reasonable and compact in structure, easy to use, safe, labor-saving, Simple and efficient features.

Description

technical field [0001] The invention relates to the technical field of power distribution line devices, and relates to an anti-dropping pin insulator. Background technique [0002] Power needle insulators are widely used in power systems. Overhead transmission lines, busbars of power plants and substations, and external live conductors of various electrical equipment must be supported by insulators and connected to the earth (or ground) or Other conductors with potential difference are insulated. However, during use, the fixed nut at the lower part of the pin insulator often falls off, causing the wire to fall off, resulting in single-phase grounding, and in severe cases, inter-phase short circuit, which increases the incidence of electrical accidents and maintenance rates, and reduces the stability and reliability of the line. sex. Contents of the invention [0003] The invention provides an anti-falling pin insulator, which overcomes the above-mentioned deficiencies in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B17/20H01B17/38
CPCH01B17/20H01B17/38
Inventor 何雪松高俊伟王力米军史绍星石宝元
Owner ILI POWER SUPPLY COMPANY SATE GRID XINJIANG ELECTRIC POWER
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