CN215452451U

CN215452451U - Conductor sliding support structure for GIL and GIS bus

Info

Publication number: CN215452451U
Application number: CN202121143663.0U
Authority: CN
Inventors: 酆元; 曹冬林; 陆智国
Original assignee: Jiangsu Nari Hengchi Elecrical Equipment Co ltd
Current assignee: Jiangsu Nari Hengchi Elecrical Equipment Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-01-07
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a conductor sliding support structure for a GIL (gate in line) and a GIS (geographic information System) bus, which comprises a three-phase separation GIL and GIS bus support structure and a three-phase integrated GIL and GIS bus support structure, wherein the three-phase separation GIL and GIS bus support structure comprises a shell, the shell is provided with a conductor, the conductor is supported in an insulator, a contact is communicated with the conductor and the insulator, and the insulator is provided with a support ring; this structure adopts insulator and casing fixed, and the gliding scheme of conductor on the insulator, residual stress is littleer on this scheme insulator, and the three-phase conductor slides independently respectively when using on the three-phase GIL that is intergral or the bus, avoids gathering the stress on the insulator because of the inconsistent accumulation of three-phase conductor flexible volume.

Description

Conductor sliding support structure for GIL and GIS bus

Technical Field

The utility model relates to a conductor sliding support structure for GIL and GIS buses, and belongs to the field of high-voltage power transmission and transformation.

Background

GIL and GIS buses are power transmission equipment that is gas insulated with SF6 gas, with conductors enclosed in a housing.

The GIL and GIS bus inner conductor is influenced by environment and power-on heating and can generate relative displacement in the shell, and the problems are solved through the insulator and shell sliding structure of the supporting conductor in the GIL and GIS bus in the prior art.

The structure has high requirements on the quality and the installation precision of parts, residual stress is easy to generate on the insulator, particularly, in a three-phase integrated GIL or GIS bus, a three-phase conductor is fixed on the insulator, the insulator slides with the shell, and the spatial position, the structure and the three-phase current difference of the three-phase conductor in the shell can cause inconsistent displacement, so that the stress is accumulated on the insulator to influence the safety and the reliability of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a conductor sliding support structure for GIL and GIS buses, which is used for overcoming the defect that residual stress is easily left in an insulator by the sliding support structure in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a conductor sliding support structure for a GIL (grid electrode array) and a GIS (geographic information System) bus, which comprises a three-phase separation GIL and GIS bus support structure and a three-phase integrated GIL and GIS bus support structure, wherein the three-phase separation GIL and GIS bus support structure comprises a shell, the shell is provided with a conductor, the conductor is supported in an insulator, a contact is communicated with the conductor and the insulator, and the insulator is provided with a support ring.

Furthermore, the support ring is used for making axial movement when the conductor and the shell are displaced relatively.

Furthermore, a filter screen is arranged on the outer side of the support ring, and the filter screen is arranged between the insulator and the conductor and used for filtering foreign matters generated by friction.

Furthermore, the filter screen is made of a high-density high-temperature-resistant filter screen material.

Furthermore, the contact is an elastic contact part arranged in the insulator insert, is communicated with the conductor and the insulator 3, and has the function of keeping the equipotential of the conductor and the insulator.

Furthermore, the three-phase conductors of the three-phase integrated GIL and the GIS bus supporting structure respectively slide independently without influencing each other.

The utility model has the following beneficial effects: this structure adopts insulator and casing fixed, and the gliding scheme of conductor on the insulator, residual stress is littleer on this scheme insulator, and the three-phase conductor slides independently respectively when using on the three-phase GIL that is intergral or the bus, avoids gathering the stress on the insulator because of the inconsistent accumulation of three-phase conductor flexible volume.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of a three-phase split sliding support structure of the present invention;

fig. 2 is a schematic view of the three-phase integrated sliding support structure of the present invention.

In the figure: 1. a housing; 2. a conductor; 3. an insulator; 4. a contact; 5. a support ring; 6. and (4) a filter screen.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1

As shown in fig. 1-2, a conductor sliding support structure for GIL and GIS bus comprises a three-phase separation GIL and GIS bus support structure and a three-phase integration GIL and GIS bus support structure;

the three-phase separation GIL and GIS bus supporting structure comprises a shell 1, wherein a conductor 2 is arranged on the shell 1, the conductor 2 is supported in an insulator 3, a contact 4 is communicated with the conductor 1 and the insulator 3, and a supporting ring 5 is arranged on the insulator 3.

The support ring 5 is used for making axial movement when the conductor 2 and the shell 1 are displaced relatively.

The filter screen 6 is installed on the outer side of the support ring 5, and the filter screen 5 is installed between the insulator 3 and the conductor 2 and used for filtering foreign matters generated by friction and preventing the foreign matters from affecting the safety of equipment.

The filter screen 6 is made of high-density high-temperature-resistant filter screen material.

The contact 4 is an elastic contact part arranged in the insert of the insulator 3, plays a role in communicating the insert on the conductor 2 and the insulator 3, has the function of keeping the equal potential of the two, is an optional part and is used when the insulator 3 adopts a structure with the insert.

The three-phase conductors of the three-phase integrated GIL and the GIS bus supporting structure respectively slide independently and are arranged without influence.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A conductor sliding support structure for GIL and GIS buses is characterized by comprising a three-phase separation GIL and GIS bus support structure and a three-phase integration GIL and GIS bus support structure;

the three-phase separation GIL and GIS bus supporting structure comprises a shell, wherein a conductor is arranged on the shell and supported in an insulator, a contact is communicated with the conductor and the insulator, and a supporting ring is arranged on the insulator.

2. The sliding support structure for the conductor of the GIL and GIS bus bar as claimed in claim 1, wherein the support ring is used for axial movement when the conductor and the housing are relatively displaced.

3. The sliding support structure of the conductor for the GIL and GIS bus bar according to claim 1, wherein a filter screen is installed outside the support ring, and the filter screen is installed between the insulator and the conductor to filter foreign matters generated by friction.

4. The sliding support structure for GIL and GIS bus bar conductors as claimed in claim 3, wherein said screen is made of high density high temperature resistant screen material.

5. The sliding support structure for the conductor in the GIL and GIS bus according to claim 1, wherein the contact is an elastic contact member installed in an insulator insert, and the elastic contact member connects the conductor and the insulator and has a function of maintaining the same potential between the conductor and the insulator.

6. The sliding support structure for the GIL and GIS bus bar conductors as claimed in claim 1, wherein the three-phase conductors of the three-phase integrated GIL and GIS bus bar support structure are independently sliding and arranged without affecting each other.