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Converting station grounding device

A technology for grounding devices and substations, applied in the direction of substation grounding layout, etc., can solve the problems of mismatch between grounding terminal and grounding device, easy damage of grounding terminal, etc., and achieve the effect of convenient maintenance work

Inactive Publication Date: 2013-04-24
NINGBO ELECTRIC POWER BUREA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a grounding device for a substation, which combines the characteristics of the grounding device in the prior art and makes reasonable improvements on the basis of the U-shaped clip grounding device to solve the problem of grounding. Easy to damage and the problem that the grounding terminal does not match the grounding device

Method used

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Embodiment Construction

[0013] The main idea of ​​the present invention is to adopt a U-shaped clamp structure, a U-shaped clamp is set at one end of the U-shaped clamp, and a bolt hole is set on the clamp support of the U-shaped clamp, which is used to socket and fix the flat iron screw rod, and the U-shaped clamp The other end is provided with a through hole for socketing the grounding screw; the grounding screw is provided with a grounding bolt for connecting the grounding wire and a thread for fixing the grounding screw on the U-shaped clamp through the butterfly clamp. This grounding flat iron is compressed by rotating the bolt, which avoids the damage of the grounding flat iron and the grounding wire; the grounding wire is fixed by the grounding bolt on the grounding screw, and there will be no longer the problem of matching the size of the grounding wire, which effectively solves the current problem. There are technical problems.

[0014] In order to enable those skilled in the art to further ...

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Abstract

The invention discloses a converting station grounding device which comprises a U-shaped clamp piece, a fixed flat iron screw, a grounding screw and a butterfly-shaped clamp. The U-shaped clamp piece comprises a U-shaped clamp end and an end with a hole. A first screw hole is formed in one clamp branch part of the U-shaped clamp end. The fixed flat iron screw is connected on the U-shaped clamp piece in a sleeved mode through the first screw hole. The end with the hole is provided with a second screw hole. The grounding screw is connected on the U-shaped clamp piece through the second screw hole. A grounding bolt which is used for being connected with a grounding wire is arranged at one end of the grounding screw, and a thread which is used for being connected with the butterfly-shaped clamp in a sleeved mode is arranged at the other end of the grounding screw. According to the converting station grounding device, damage of grounding flat iron and the grounding wire is avoided, and matching problems of the grounding wire are solved.

Description

technical field [0001] The invention relates to a power transmission and distribution transmission system, in particular to a substation grounding device. Background technique [0002] When the grounding switch on the substation site fails, in order to avoid further expansion of the equipment power outage and protect the personal safety of the maintenance personnel, it is usually necessary to add a temporary grounding wire according to the maintenance work requirements. At present, there are two kinds of grounding devices commonly used for temporary grounding. One is a grounding device with a bolt hole, as shown in Figure 1 (a), the grounding device is formed by refitting the lead end of the temporary grounding wire into a grounding wire with a bolt hole. When the grounding switch breaks down and it is necessary to hang a temporary grounding wire, the bolt hole end of this type of grounding device is welded to the grounding flat iron on the substation site to achieve a reli...

Claims

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Application Information

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IPC IPC(8): H02B5/01
Inventor 沈罡陈立吴杰王世杰胡升波王辉阮浩洁钟浩成
Owner NINGBO ELECTRIC POWER BUREA
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