CN212625344U

CN212625344U - Earthing structure of isolating switch

Info

Publication number: CN212625344U
Application number: CN202021785831.1U
Authority: CN
Inventors: 姬东升
Original assignee: Zhejiang Fuxiang Ruite Electric Co ltd
Current assignee: Zhejiang Fuxiang Ruite Electric Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-02-26
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a grounding structure of an isolating switch, which comprises a base and a grounding mechanism rotationally arranged on the base; an insulating column is fixed on the base, and a conductive piece is mounted on the insulating column; the grounding mechanism comprises a grounding switch blade and a rotating rod rotatably arranged on the base, one end of the grounding switch blade is connected to the rotating rod, and the other end of the grounding switch blade is matched with the conductive piece; outer gear rings are arranged at two ends of the rotating rod and matched with an inner gear ring at the output end of the motor; when the motor drives the rotating rod to rotate, the grounding knife switch rotates along with the rotating rod towards the conductive piece and is abutted against the conductive piece; the grounding mechanism is connected with the ground, so that the grounding of the isolating switch is realized; the leakage current, static charge and the like which are possibly generated in the circuit are led into the ground to avoid the electric shock of a human body; the operation of an operator close to the isolating switch is not needed, the operation is simple, and the personal safety is ensured.

Description

Earthing structure of isolating switch

Technical Field

The utility model relates to a switchgear technical field, concretely relates to isolator's ground structure.

Background

An isolating switch (commonly called as a knife switch) generally refers to a high-voltage isolating switch, i.e. an isolating switch with a rated voltage of 1kV or more, and is usually referred to as an isolating switch for short, which is one of the most used electrical appliances of high-voltage switching apparatuses.

The isolating switch introduces leakage current, static charge and the like possibly generated in the circuit into the ground through the grounding device so as to avoid personal electric shock and ensure personal safety; as the isolating switch used in a high-voltage circuit, an operator is inconvenient to be too close to the isolating switch, so that the traditional isolating switch has the problems of inconvenience and unsafety when being connected with an earthing device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an isolator's ground structure is not enough to prior art exists.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a grounding structure of an isolating switch comprises a base and a grounding mechanism which is rotatably arranged on the base; an insulating column is fixed on the base, and a conductive piece is mounted on the insulating column;

the grounding mechanism comprises a grounding switch blade and a rotating rod rotatably arranged on the base, one end of the grounding switch blade is connected to the rotating rod, and the other end of the grounding switch blade is matched with the conductive piece;

outer gear rings are arranged at two ends of the rotating rod and matched with an inner gear ring at the output end of the motor;

when the motor drive dwang rotates, ground connection plug-in strip rotates towards electrically conductive along with the dwang to it is inconsistent with electrically conductive.

The utility model discloses further set up: install the mount pad on the insulating column, the mount pad includes the base that the level set up and the installation department of perpendicular setting, set up the plug bush hole in the installation department.

The utility model discloses further set up: the conductive piece comprises a first conductive copper bar and a second conductive copper bar;

the first conductive copper bar comprises a first conductive copper sheet and a second conductive copper sheet which are longitudinally arranged, and the first conductive copper sheet and the second conductive copper sheet are arranged vertically;

the first conductive copper sheet penetrates through the plug bush hole and is arranged on the inner side of the mounting part and matched with the knife switch, and the second conductive copper sheet is fixed on the outer side of the mounting part;

one end of the second conductive copper bar is abutted against the first conductive copper sheet, and the other end of the second conductive copper bar is matched with the grounding switch blade.

The utility model discloses further set up: the dwang is fixed with connecting portion, and wherein ground connection plug-in strip connects on connecting portion.

The utility model discloses beneficial effect: the conductive knife switch in the grounding mechanism is connected to a rotating rod, and two ends of the rotating rod are connected with the output end of the motor; when the motor is driven, the output end of the motor drives the rotating rod to rotate on the base, so that the conductive knife switch rotates towards the conductive piece on the isolating switch and is abutted against the conductive piece, and the grounding mechanism is connected with the ground, so that the isolating switch is grounded; the leakage current, static charge and the like which are possibly generated in the circuit are led into the ground to avoid the electric shock of a human body; the operation of an operator close to the isolating switch is not needed, the operation is simple, and the personal safety is ensured.

Drawings

Fig. 1 is a schematic view of an open state of a grounding structure of an isolating switch according to the present invention;

fig. 2 is a schematic diagram of a closed state of a grounding structure of the disconnecting switch according to the present invention;

fig. 3 is a schematic structural diagram of a grounding mechanism of a grounding structure of an isolating switch according to the present invention;

fig. 4 is a schematic view illustrating the installation of the conductive member of the grounding structure of the disconnecting switch according to the present invention;

fig. 5 is a schematic structural diagram of a mounting seat of a grounding structure of an isolating switch according to the present invention;

fig. 6 is a schematic structural view of a second conductive copper bar of the grounding structure of the isolating switch of the present invention;

description of reference numerals: 1. a base; 11. an insulating column; 12. a conductive member; 121. a first copper conductive bar; 1211. a first conductive copper sheet; 1212. a second conductive copper sheet; 122. a second copper conductive bar; 13. a mounting seat; 131. a base; 132. an installation part; 1321. inserting a sleeve hole; 2. a grounding mechanism; 21. a grounding knife switch; 22. rotating the rod; 221. an outer ring gear; 222. a connecting portion; 3. a knife switch.

Detailed Description

An embodiment of the grounding structure of the disconnecting switch according to the present invention will be described in further detail with reference to fig. 1 to 6.

A grounding structure of an isolating switch comprises a base 1 and a grounding mechanism 2 which is rotatably arranged on the base 1; an insulating column 11 is fixed on the base 1, and a conductive piece 12 is installed on the insulating column 11;

the grounding mechanism 2 comprises a grounding switch blade 21 and a rotating rod 22 which is rotatably arranged on the base 1, one end of the grounding switch blade 21 is connected to the rotating rod 22, and the other end of the grounding switch blade 21 is matched with the conductive piece 12;

outer gear rings 221 are arranged at two ends of the rotating rod 22, and the outer gear rings 221 are matched with an inner gear ring at the output end of the motor; the disassembly of the motor and the rotating rod 22 is facilitated, and the relative position is adjusted, namely, the rotating rod 22 is only required to be pulled out from the output end of the motor, and the circumferential relative position of the outer gear ring 221 of the rotating rod 22 and the inner gear ring of the output end of the motor is adjusted; the operation is simple and the adjustment is convenient; under the driving of the motor, the grounding knife switch 21 can be ensured to be abutted against or smoothly separated from the conductive piece 12.

When the motor drives the rotating rod 22 to rotate, the grounding knife switch 21 rotates towards the conductive piece 12 along with the rotating rod 22 and abuts against the conductive piece 12; the grounding mechanism 2 is connected with the ground, so that the grounding of the isolating switch is realized; the leakage current, static charge and the like which are possibly generated in the circuit are led into the ground to avoid the electric shock of a human body; the operation of an operator close to the isolating switch is not needed, the operation is simple, and the personal safety is ensured.

When it is necessary to disconnect the grounding function of the disconnector, the rotating rod 22 is rotated in the opposite direction, so that the grounding blade 21 is disengaged from the conductive member 12.

The mounting seat 13 is mounted on the insulating column 11, the mounting seat 13 includes a horizontally arranged base 131 and a vertically arranged mounting portion 132, and an insertion hole 1321 is formed in the mounting portion 132; for installing the conductive member 12, the installation seat 13 is fixed on the insulation column 11 through the base 131; the mounting and dismounting of the conductive member 12 is facilitated.

Wherein the conductive member 12 comprises a first conductive copper bar 121 and a second conductive copper bar 122;

the first conductive copper bar 121 comprises a first conductive copper sheet 1211 and a second conductive copper sheet 1212 which are longitudinally arranged, and the first conductive copper sheet 1211 and the second conductive copper sheet 1212 are arranged perpendicularly to each other;

the first conductive copper sheet 1211 is arranged on the inner side of the mounting part 132 through the plug bush hole 1321 and is matched with the knife switch 3, and the second conductive copper sheet 1212 is fixed on the outer side of the mounting part 132;

one end of the second conductive copper bar 122 is abutted against the first conductive copper sheet 1211, and the other end is matched with the grounding knife switch 21; replace traditional rectangular copper bar direct mount on insulating column 11, saved conductive piece 12 with the copper volume to reduce cost.

Wherein, a connecting portion 222 is fixed on the rotating rod 22, and the grounding switch blade 21 is connected to the connecting portion 222, so as to facilitate the installation of the grounding switch blade 21 and ensure the firmness of the grounding switch blade 21.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A grounding structure of an isolating switch is characterized in that: comprises a base and a grounding mechanism which is rotatably arranged on the base; an insulating column is fixed on the base, and a conductive piece is mounted on the insulating column;

2. The grounding structure of a disconnecting switch according to claim 1, characterized in that: install the mount pad on the insulating column, the mount pad includes the base that the level set up and the installation department of perpendicular setting, set up the plug bush hole in the installation department.

3. The grounding structure of a disconnecting switch according to claim 2, wherein: the conductive piece comprises a first conductive copper bar and a second conductive copper bar;

4. A grounding structure of a disconnector according to claim 1, 2 or 3, characterized in that: the dwang is fixed with connecting portion, and wherein ground connection plug-in strip connects on connecting portion.