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Protection apparatus for connecting part of grounding body and tower

A protection device and grounding body technology, which is applied in the direction of connecting insulation and connecting contact materials, etc., can solve the problems of increasing the workload of line grounding resistance measurement, increasing the resistance of grounding resistance, and lack of external protection, so as to reduce the lightning tripping rate , easy processing and simple structure

Inactive Publication Date: 2017-12-05
国网山东省电力公司乳山市供电公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the connecting part of the grounding body and the tower is connected by bolts and lacks external protection, it is easily corroded and oxidized due to the long-term impact of rainwater washing and strong wind environment, which not only increases the workload of the line grounding resistance measurement, but also makes the grounding resistance increase

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  • Protection apparatus for connecting part of grounding body and tower
  • Protection apparatus for connecting part of grounding body and tower
  • Protection apparatus for connecting part of grounding body and tower

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Embodiment Construction

[0014] The protection device for the connection between the grounding body and the tower of the present invention includes an inner hinge 2 and an outer hinge 1, the inner hinge 2 is a hexahedron cover with a side opening, and the bottom surface is provided with a grounding body perforation 22, such as figure 2 As shown in , the facing face is the opening face, the inner hinge 2 is provided with a shaft pin 21 on the edge away from the opening side, and the outer walls of the two parallel sides of the inner hinge are provided with grooves 23 .

[0015] The outer hinge 1 is a hexahedron sleeve with a side opening and no bottom surface. The two ends of the upper edge of the opening side 13 of the outer hinge 1 are provided with shaft pin holes 12, and the inner walls of the two parallel sides of the outer hinge 1 are provided with convex ribs. 11.

[0016] The shaft pin 21 of the inner hinge is fixed in the shaft pin hole 12 of the outer hinge, the inner hinge 2 and the outer h...

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Abstract

The invention discloses a protection device for the connection between a grounding body and a pole tower, which includes an inner hinge and an outer hinge. The hinge is a hexahedron sleeve with a side opening and no bottom surface. The top surface of the inner hinge is provided with a shaft pin on the edge away from the side of the opening, and the two ends of the upper edge of the opening side of the outer hinge are provided with shaft pin holes. In the pin hole of the outer hinge. Installing a protection device on the ground connection part can ensure that the connection part between the ground body of the overhead transmission line and the tower is not affected by the external environment, and the protection device can be opened flexibly, which can reduce the workload of line ground resistance measurement and ensure that the ground resistance value is not affected .

Description

technical field [0001] The invention relates to a protection tool on a power transmission line in a power system, in particular to a protection device for the joint between a grounding body and a tower. Background technique [0002] The tower grounding device of the transmission line is an important part of the transmission line. It is the general name of the grounding body and the grounding downconductor. Its function is to ensure that the lightning current can reliably leak into the ground, protect the insulation of the line equipment, reduce the lightning tripping rate of the line, and improve the operation reliability. And avoid personal injury caused by step voltage. It is an effective measure to reduce the lightning trip rate of transmission lines to carry out standardized management and maintenance on the grounding devices of transmission line poles and towers, and to ensure the integrity of the grounding devices, while reducing the grounding resistance of the groundi...

Claims

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Application Information

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IPC IPC(8): H01R4/66H01R4/70
CPCH01R4/66H01R4/70
Inventor 王伟鲁晓涛宋连章陈倩滕俊彦徐海滨刘瑜张志刚
Owner 国网山东省电力公司乳山市供电公司
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