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A Rod Insulator for Low-Voltage Lines

A technology of low-voltage lines and insulators, applied in insulators, suspension/strain insulators, circuits, etc., can solve problems such as high cost, increased creepage distance, waste, etc., and achieve the effect of saving a lot of cost and manufacturing cost

Active Publication Date: 2016-07-13
SHANGHAI MUNICIPAL ELECTRIC POWER CO +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to increase the creepage distance, the existing rod-shaped insulators used for low-voltage transmission and transformation lines are provided with too many layers of ribs, which makes the cost too high and causes great waste after large-scale application
However, if the creepage distance is not enough, it will cause safety accidents such as line tripping, which is not conducive to the safe operation of low-voltage lines.

Method used

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  • A Rod Insulator for Low-Voltage Lines

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with accompanying drawing.

[0015] see figure 1 , the rod-shaped insulator for low-voltage lines of the present invention includes a rod-shaped insulator 1 and two metal caps 2 respectively sleeved on both ends of the insulator 1, and the outer end of each metal cap 2 extends axially outwards with a pair of Ear climbers, each pair of ear climbers is provided with a pair of perforations, and each pair of perforations is used to install cylindrical pins 5, so that the present invention can be easily installed on various occasions;

[0016] The diameter d of the insulator 1 is 50~60mm, and the middle part of the insulator 1 is provided with a two-layer umbrella edge with a distance I of 25~29mm, so that the insulation linear distance L is elongated to 80~90mm, and the respective diameters of the two-layer umbrella edges D Both are 90 ~ 94mm, so that the creepage distance can reach 120mm, which meets the...

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Abstract

The invention discloses a bar-shaped insulator used for a low-voltage circuit. The bar-shaped insulator comprises a bar-shaped insulator body and two metal caps which are respectively sleeved at two ends of the insulator, wherein a pair of ear flanges axially extend outwards from the outer end of each metal cap; a pair of through holes are formed in each pair of the ear flanges; two layers of umbrella edges of 25-29mm in space are formed in the middle of the insulator; and the diameters of the two layers of the umbrella edges are both 90-94mm. The bar-shaped insulator is relatively low in manufacturing cost and has sufficient creep distance, so that the bar-shaped insulator is applicable to large-scale application.

Description

technical field [0001] The invention relates to an insulator, in particular to a rod-shaped insulator used for low-voltage lines. Background technique [0002] Insulators are mainly used in high and low voltage transmission and transformation lines for insulation and support. At present, rod-shaped suspension insulators are widely used in low-voltage transmission and transformation lines, which have many advantages, such as: small size, light weight, long life, no need to detect zero value, and good self-cleaning performance. However, in order to increase the creepage distance, the existing rod-shaped insulators used for low-voltage transmission and transformation lines are provided with too many layers of ribs, which makes the cost too high and causes great waste after large-scale application. However, if the creepage distance is not enough, it will cause safety accidents such as line tripping, which is not conducive to the safe operation of low-voltage lines. Therefore, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B17/02H01B17/42
Inventor 吴健成汪军颜华敏沈晓峰叶清杨国健王大成陈勇李轶袁斐张树欣吴才彪周华胡声波施启元金鼎
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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