CN214069098U

CN214069098U - Contact connecting device for preventing metal collision

Info

Publication number: CN214069098U
Application number: CN202022859829.0U
Authority: CN
Inventors: 孟维东; 汤伟; 殷福煜; 常越; 魏俊梅; 张聪明; 张辉; 杨震; 王玉军
Original assignee: Tbea Yunji High Voltage Switch Co ltd
Current assignee: Tbea Yunji High Voltage Switch Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-27
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a prevent contact coupling device of metal collision, including the through-flow base, be equipped with the socket on the through-flow base, the socket interpolation has a pipe conductor, a serial communication port, the bottom of socket be equipped with the gasket that prevents pipe conductor lower extreme and socket bottom from taking place the metal collision. The utility model discloses a device has realized the electric connection between contact base and the pipe conductor in the high-voltage bus to prevented that the possibility that can take place because of jolting and shaking in the transportation between pipe conductor and the contact base from colliding, stopped the possibility that metal powder produced.

Description

Contact connecting device for preventing metal collision

Technical Field

The utility model relates to a prevent contact coupling device of metal collision belongs to high-voltage power equipment technical field.

Background

The high-voltage bus is an important component of the gas insulated metal enclosed switchgear and is used for realizing electrical connection among elements. The conductors in the high voltage busbars are usually implemented by means of tube conductors plugged into contacts. In the transportation process of the high-voltage bus from a manufacturing plant to a power station, metal collision may occur between the tubular conductor and the contact due to bumping and vibration, metal powder can be generated after the metal collision, and the metal powder can cause high-voltage discharge when the bus is in live operation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: how to avoid metal collision between a tube conductor and a contact during transportation of a high-voltage bus from a manufacturing plant to a power station.

In order to solve the technical problem, the technical scheme of the utility model a prevent contact coupling device of metal collision is provided, including the through-flow base, be equipped with the socket on the through-flow base, the socket interpolation has the pipe conductor, its characterized in that, the bottom of socket be equipped with and prevent that pipe conductor lower extreme and socket bottom from taking place the gasket of metal collision.

Preferably, the gasket is a flat annular structure; the gasket is provided with a gasket gap which enables the gasket to be in a non-closed annular structure.

Preferably, the bottom of the inner wall of the socket is provided with a gasket groove matched with the gasket, and the outer side of the gasket is arranged in the gasket groove; the inner diameter of the gasket is smaller than that of the socket, and the outer diameter of the gasket is larger than that of the socket.

Preferably, the gasket is adhered to the bottom of the socket by adhesive.

Preferably, a conductive spring for realizing the electric connection between the through-flow base and the pipe conductor and a guide ring for providing the guide function of the pipe conductor are arranged between the inner wall of the socket and the pipe conductor; the socket inner wall is equipped with respectively with electrically conductive spring and guide ring assorted spring recess and guide ring recess, and electrically conductive spring and guide ring are located respectively in spring recess and the guide ring recess.

Preferably, two conductive springs and two guide rings are arranged, and the two conductive springs are positioned between the two guide rings; the guide ring is provided with a guide ring gap.

Preferably, the conductive spring is made of CuCr1Zr, and the diameter of the conductive spring is 1.0-2.0 mm; the guide ring is made of polytetrafluoroethylene, and the width of the guide ring is 6-10 mm.

Preferably, the bottom of the through-flow base is provided with an electric contact surface, and the outer side of the through-flow base is provided with an outer surface for controlling electric field distribution.

Preferably, the outer surface is rounded; the surface of the electric contact surface is provided with a silver layer.

Preferably, the tube conductor and the through-flow base are both made of copper materials or aluminum materials; the gasket is made of an oil-resistant rubber plate; the thickness of the gasket is between 2 and 4 mm.

The utility model discloses a device has realized the electric connection between contact base and the pipe conductor in the high-voltage bus to prevented that the possibility that can take place because of jolting and shaking in the transportation between pipe conductor and the contact base from colliding, stopped the possibility that metal powder produced.

Drawings

FIG. 1 is a schematic view of a metal impact resistant contact coupling arrangement;

FIG. 2 is a schematic structural view of a guide ring;

fig. 3 is a schematic view of a gasket for preventing metal collision.

Detailed Description

In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

Example 1

The utility model provides a prevent contact coupling device of metal collision, as shown in fig. 1-3, it includes an electric contact surface 1, through-flow base 2, control electric field distribution's many R rounding off surface 3, twice conductive spring 4, twice guide ring 5, a gasket 6, a pipe conductor 7 that prevent the metal collision.

The through-flow base 2 is provided with a socket, a pipe conductor 7 is inserted in the socket, and the bottom of the socket is provided with a gasket 6 for preventing the lower end of the pipe conductor 7 from colliding with the bottom of the socket. The bottom of the through-flow base 2 is provided with an electric contact surface 1, and the outer side of the through-flow base 2 is provided with an outer surface 3 for controlling electric field distribution. The outer surface 3 is in smooth transition; the surface of the electric contact surface 1 is provided with a silver layer.

The gasket 6 is a flat annular structure; the gasket 6 is provided with a gasket gap 61 which enables the gasket 6 to be in a non-closed annular structure. The bottom of the inner wall of the socket is provided with a gasket groove matched with the gasket 6, and the outer side of the gasket 6 is arranged in the gasket groove; the inner diameter of the gasket 6 is smaller than the inner diameter of the socket, and the outer diameter of the gasket 6 is larger than the inner diameter of the socket.

A conductive spring 4 for realizing the electric connection between the through-flow base 2 and the pipe conductor 7 and a guide ring 5 for providing the guide function of the pipe conductor 7 are arranged between the inner wall of the socket and the pipe conductor 7; the guide ring 5 is provided with a guide ring notch 51. The socket inner wall is equipped with respectively with

conductive spring

4 and 5 assorted spring grooves of guide ring and guide ring recess, and conductive spring 4 and guide ring 5 are located respectively in spring groove and the guide ring recess. Two conductive springs 4 and two guide rings 5 are arranged, and the two conductive springs 4 are located between the two guide rings 5.

The diameter of the electric contact surface 1 is 90mm, and the surface of the electric contact surface 1 is plated with silver.

The through-flow base 2 and the tube conductor 7 are made of copper materials with good conductivity.

The outer surface 3 for controlling the electric field distribution adopts multi-R smooth transition, namely the smooth transition on the outer surface 3.

The conductive spring 4 is made of CuCr1Zr with the diameter of 1.0mm and good conductivity. Two conductive springs 4 are used to electrically connect the through-flow base 2 and the tube conductor 7.

The guide ring 5 is made of polytetrafluoroethylene, and the width of the guide ring is 6 mm.

The gasket 6 for preventing metal collision is made of an oil-resistant rubber plate and has the thickness of 2 mm.

The gasket 6 for preventing metal collision is fixed on the through-flow base 2 in a clamping groove mode.

The utility model provides a contact coupling device, rated current can be up to 6300A, uses in voltage level is higher, in the higher SF6 generating line of rated current.

Example 2

In the present embodiment, the diameter of the electrical contact surface 1 is 100 mm.

The through-flow base 2 and the tube conductor 7 are made of aluminum materials with good electrical conductivity.

The conductive spring 4 is 2.0mm in diameter.

The width of the guide ring 5 is 10 mm.

The thickness of the metal collision preventing shim 6 is 4 mm.

The gasket 6 for preventing metal collision is glued to the flow-through base 2 by means of glue.

The rest is the same as in example 1.

Claims

1. The contact connecting device capable of preventing metal collision comprises a through-flow base (2), wherein a socket is arranged on the through-flow base (2), and a pipe conductor (7) is inserted into the socket, and is characterized in that a gasket (6) for preventing the lower end of the pipe conductor (7) from colliding with the bottom of the socket is arranged at the bottom of the socket.

2. A metal-impact protected contact coupling arrangement as claimed in claim 1, wherein said spacer (6) is of a flattened annular configuration; the gasket (6) is provided with a gasket gap (61) which enables the gasket (6) to be in a non-closed annular structure.

3. A metal-bump-proof contact coupling device as claimed in claim 1 or 2, characterized in that the bottom of the inner wall of the socket is provided with a gasket groove matching the gasket (6), and the outside of the gasket (6) is arranged in the gasket groove; the inner diameter of the gasket (6) is smaller than that of the socket, and the outer diameter of the gasket (6) is larger than that of the socket.

4. A metal-bump-proof contact coupling device as claimed in claim 1 or 2, characterized in that the spacer (6) is glued to the socket bottom by means of glue.

5. A metal-impact protected contact coupling device according to claim 1, wherein a conductive spring (4) for electrically coupling the feedthrough base (2) and the tube conductor (7) and a guide ring (5) for guiding the tube conductor (7) are provided between the inner wall of the socket and the tube conductor (7); the inner wall of the socket is provided with a spring groove and a guide ring groove which are respectively matched with the conductive spring (4) and the guide ring (5), and the conductive spring (4) and the guide ring (5) are respectively arranged in the spring groove and the guide ring groove.

6. A metal-impact protected contact coupling device according to claim 5, wherein there are two conductive springs (4) and two guide rings (5), two conductive springs (4) being located between two guide rings (5); the guide ring (5) is provided with a guide ring gap (51).

7. A metal-impact resistant contact coupling device according to claim 5, wherein the conductive spring (4) is made of CuCr1Zr, the diameter of the conductive spring (4) is 1.0-2.0 mm; the guide ring (5) is made of polytetrafluoroethylene, and the width of the guide ring (5) is 6-10 mm.

8. A metal-impact protected contact coupling according to claim 1, wherein the bottom of the through-flow base (2) is provided with an electrical contact surface (1), and the outer side of the through-flow base (2) is provided with an outer surface (3) for controlling the distribution of the electrical field.

9. A metal-impact protected contact coupling device according to claim 8, wherein said outer surface (3) is rounded; the surface of the electric contact surface (1) is provided with a silver layer.

10. A metal-impact protected contact coupling according to claim 1, wherein the tubular conductor (7) and the through-flow base (2) are both made of copper or aluminum; the gasket (6) is made of an oil-resistant rubber plate; the thickness of the gasket (6) is between 2 and 4 mm.