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Outdoor high-voltage cable head grounding structure and method

A high-voltage cable head and grounding structure technology, applied in conductive connection, electrical component connection, connection, etc., can solve the problems of operation and maintenance work, high safety hazards for maintenance personnel, and cables without suitable grounding wires, so as to avoid ground electric shock. The effect of risk, easy operation and strong versatility

Pending Publication Date: 2021-06-25
STATE GRID JIBEI ELECTRIC POWER CO LTD TANGSHAN POWER SUPPLY CO +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the popularization of cables, their existing problems have gradually become prominent. Through investigation, it has been found that some cables often have the problem of not having a suitable ground wire position during use, which poses a great safety hazard to daily maintenance personnel and also poses a threat to the safety of The operation and maintenance work has caused a lot of trouble

Method used

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  • Outdoor high-voltage cable head grounding structure and method
  • Outdoor high-voltage cable head grounding structure and method
  • Outdoor high-voltage cable head grounding structure and method

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0017] An outdoor high-voltage cable head grounding structure, the three power terminal posts 8 of the power supply equipment and the three outlet joints 9 of the high-voltage cable head 10 are respectively connected by three power connection lines, and the power connection lines include flexible connection lines 5 and setting The first copper-aluminum joint 6 and the second copper-aluminum joint 7 at both ends of the flexible connecting line 5, the first copper-aluminum joint 6 is connected to the power terminal 8, and the second copper-aluminum joint 7 is connected to the outlet joint 9; one section of the flexible connecting line 5 The outer layer of insulation is not covered, and the wire core 22 is exposed. The hooking device is arranged in this section. The hooking device is composed of two parts: the merged wire clamp assembly 1 and the grounding ring 2...

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Abstract

The invention relates to an outdoor high-voltage cable head grounding structure and method, and belongs to the technical field of safety protection during power cable maintenance. According to the technical scheme, a merger clamp base (12) is fixedly connected with a grounding ring (2), an arc-shaped clamping groove I (13) is formed in the merger clamp base (12), an arc-shaped clamping groove II (17) is formed in one side of a merger clamp pressing plate (16), a clamping table is arranged on the other side of the merger clamp pressing plate (16), the merger clamp pressing plate is arranged on the merger clamp base in a pressing mode through a fixing bolt (11), the clamping groove I and the clamping groove II are communicated with each other to form a clamping groove, the clamping groove I and the clamping groove II communicate with one another to form a clamping groove, and the wire core is clamped in the clamping groove; and the other side, away from the merger clamp base, of a grounding ring is not coated with an insulating layer, the exposed part is a grounding part, one end of the grounding wire is connected with the grounding part, and the other end of the grounding wire is connected with a grounding drill rod arranged on the ground. According to the invention, the grounding problem of the outdoor high-voltage cable head can be effectively solved, an operator can obtain grounding protection when disconnecting the cable head, and the working safety performance is ensured.

Description

technical field [0001] The invention relates to an outdoor high-voltage cable head grounding structure and method, and belongs to the technical field of safety protection during power cable maintenance. Background technique [0002] In recent years, with the development of science and technology, the laying of power cables has become more and more extensive, and its market share has continued to increase. However, with the popularization of cables, their existing problems have gradually become prominent. Through investigation, it has been found that some cables often have the problem of not having a suitable ground wire position during use, which poses a great safety hazard to daily maintenance personnel and also poses a threat to the safety of The operation and maintenance work has caused a lot of trouble. Contents of the invention [0003] The purpose of the present invention is to provide an outdoor high-voltage cable head grounding structure and method. The three phas...

Claims

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Application Information

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IPC IPC(8): H01R11/14H01R4/66H01R4/38H01R13/627H01R43/28H01R43/027
CPCH01R11/14H01R4/66H01R4/38H01R13/627H01R43/28H01R43/027
Inventor 李耐心王冬生李超张宏伟吴霞孙潇李雪李征
Owner STATE GRID JIBEI ELECTRIC POWER CO LTD TANGSHAN POWER SUPPLY CO
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