CN203522117U - Installation positioning structure for high-voltage GIS crosslinked cable terminal - Google Patents
Installation positioning structure for high-voltage GIS crosslinked cable terminal Download PDFInfo
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- CN203522117U CN203522117U CN201320571239.5U CN201320571239U CN203522117U CN 203522117 U CN203522117 U CN 203522117U CN 201320571239 U CN201320571239 U CN 201320571239U CN 203522117 U CN203522117 U CN 203522117U
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- moving contact
- contact
- epoxy bushing
- cable terminal
- installation
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Abstract
The utility model discloses an installation positioning structure for a high-voltage GIS crosslinked cable terminal. The installation positioning structure comprises an epoxy bushing, a high-voltage cable and a stress cone which are disposed in the epoxy bushing, and a plugging mechanism; the plugging mechanism comprises a stationary contact and a moving contact, the stationary contact is disposed in an inner side of the epoxy bushing, and one end of the stationary contact stretches out the epoxy bushing; the stationary contact is provided with an inner hole, and the moving contact is matched with the stationary contact through the inner hole; the bottom of the moving contact is integrated with lead out rods connected with a core of the high-voltage cable; and the moving contact is provided with a groove at the top to install an insulated positioning block, and one end of the insulated positioning block stretches out the groove. The cable can be plugged relative to the epoxy bushing, positioning precision of the cable is improved, the top end surface of the moving contact is prevented from being contacted with the bottom end surface of the stationary contact, installation process is simplified, and construction efficiency is improved.
Description
Technical field
The utility model relates to a kind of installation and positioning structure of high pressure GIS crosslinked cable terminal, is applicable to the installation location of 110KV and above high pressure GIS crosslinked cable terminal.
Background technology
High pressure GIS crosslinked cable terminal, is arranged on the inner cable termination of take the gas-insulated part that sulphur hexafluoride (SF6) gas is external insulation of gas-insulated enclosed switch (GIS).High pressure GIS crosslinked cable terminal is mainly comprised of high-tension cable, epoxy bushing, stress cone, push-pull structure (comprising moving contact and fixed contact), by mounting means, is mainly divided into common GIS crosslinked cable terminal and plug-in GIS crosslinked cable terminal.
Common GIS crosslinked cable terminal, can only be by after whole terminal installation, and in the whole GIS of insertion cylindrical shell, sealing is installed.
Plug-in GIS crosslinked cable terminal, can realize first sealing in epoxy bushing and GIS cylindrical shell is installed, some GIS switch producer dispatches from the factory epoxy bushing has just been installed, and has avoided again opening GIS switch like this when stress cone parts are installed, and has reduced the pollution in cylindrical shell.
At present plug-in GIS crosslinked cable terminal generally adopts moving contact, and as beryllium-bronze watchband-shaped contactor or spring touch finger, the plug realizing on electric connects.If but while installing, location is inaccurate, easily causes moving contact upper surface to contact with fixed contact lower surface, this is unallowed, must leave certain gap.And current most of high pressure GIS crosslinked cable terminal does not all have stopping means, can only lean on the degree of depth of insertion to locate, not accurate and difficult realize (shown in the Fig. 1) of this legal position complexity.Between the moving contact top end face of common high pressure GIS crosslinked cable terminal and fixed contact bottom face, there is no partition apparatus, during installation, moving contact top end face easily contacts with fixed contact bottom face, this is that high pressure GIS crosslinked cable terminal operating is unallowed, easily causes potential safety hazard.
Summary of the invention
The purpose of this utility model is to simplify mounting process, a kind of installation and positioning structure of high pressure GIS crosslinked cable terminal is provided, it is a kind of installation and positioning structure of fast simple high pressure GIS crosslinked cable terminal, realized the plug function of cable with respect to epoxy bushing, improved the positioning precision while installing, simplify mounting process, improved efficiency of construction.
The purpose of this utility model realizes by following proposal:
An installation and positioning structure for high pressure GIS crosslinked cable terminal, comprises high-tension cable in epoxy bushing, epoxy bushing and stress cone, push-pull structure; Described push-pull structure comprises fixed contact and moving contact, and described fixed contact is located at the inner side of described epoxy bushing, and stretch out outside epoxy bushing one end of fixed contact; Described fixed contact is provided with endoporus, and described moving contact coordinates by endoporus and fixed contact; Bottom and the outlet rod of described moving contact are connected as a single entity, and described outlet rod is connected with high-tension cable core; It is characterized in that: described moving contact has groove installing insulating locating piece on its top, groove is stretched out in one end of described insulation locating piece.
Preferably, described moving contact outside fluting is arranged with spring, and described moving contact and fixed contact endoporus side are connected and fixed by spring flexible.
Preferably, described outlet rod adopts mechanical crimping to be connected with high-tension cable core.
Preferably, described insulation locating piece and moving contact are threaded connection fixing.
Gap A between described moving contact top end face and fixed contact end face is controlled at 3-5mm, avoids the top end face of moving contact and the bottom face of fixed contact to contact.
The utility model is installed the insulation locating piece of fixed dimension on moving contact top, during installation, moving contact is directly inserted into the fixed contact bottom in epoxy bushing, without measurement and positioning size again; First guaranteed that moving contact top end face and the isolation of fixed contact bottom face guarantee the gap A of certain distance, next has been simplified mounting process and has improved positioning precision.
Compared to the prior art, the beneficial effects of the utility model:
The utility model has been realized the plug function of cable with respect to epoxy bushing, has improved the positioning precision while installing, and has simplified mounting process, has improved efficiency of construction, helps avoid potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the installation and positioning structure of common high pressure GIS crosslinked cable terminal.
In Fig. 1,1 '-telltale mark, 2 '-location dimension.
Fig. 2 is the schematic diagram of the installation and positioning structure of the utility model high pressure GIS crosslinked cable terminal.
In Fig. 2, the 1-locating piece that insulate, 2-moving contact, 3-fixed contact, 4-epoxy bushing, 5-spring, 6-high-tension cable core, 7-high-tension cable, 8-stress cone, 9-outlet rod.
Embodiment
By specific embodiment, the utility model is further expalined to explanation.
As Fig. 2, a kind of installation and positioning structure of high pressure GIS crosslinked cable terminal, comprises high-tension cable 7 in epoxy bushing 4, epoxy bushing 4 and stress cone 8, push-pull structure; Described push-pull structure comprises fixed contact 3 and moving contact 2, and described fixed contact 3 is located at the inner side of described epoxy bushing 4, and stretch out outside epoxy bushing 4 one end of fixed contact 3; Described fixed contact 3 is provided with endoporus, and described moving contact 2 outsides have 2 grooves and are arranged with respectively spring 5, and moving contact 2 flexibly connects fixing by spring 5 and fixed contact 3 at endoporus; The bottom of described moving contact 2 and outlet rod 9 are connected as a single entity, and described outlet rod 9 adopts mechanical crimping to be connected with high-tension cable core 6; Described moving contact 2 has groove installing insulating locating piece 1 on its top, one end of described insulation locating piece 1 is stretched out groove and guaranteed that moving contact 2 top end faces and fixed contact 3 bottom faces have the gap of certain distance; Wherein said insulation locating piece 1 and moving contact 2 are threaded connection fixing.
Gap A between described moving contact 2 top end faces and fixed contact 3 bottom faces is controlled at 3-5mm.
The utility model is installed the insulation locating piece of fixed dimension on moving contact top, during installation, moving contact is directly inserted into the fixed contact bottom in epoxy bushing, without measurement and positioning size again; First guaranteed that moving contact top end face and the isolation of fixed contact bottom face guarantee the gap A of certain distance, next has been simplified mounting process and has improved positioning precision.
The utility model has been realized the plug function of cable with respect to epoxy bushing, has improved the positioning precision while installing, and has simplified mounting process, has improved efficiency of construction, helps avoid potential safety hazard.
Claims (4)
1. an installation and positioning structure for high pressure GIS crosslinked cable terminal, comprises high-tension cable in epoxy bushing, epoxy bushing and stress cone, push-pull structure; Described push-pull structure comprises fixed contact and moving contact, and described fixed contact is located at the inner side of described epoxy bushing, and stretch out outside epoxy bushing one end of fixed contact; Described fixed contact is provided with endoporus, and described moving contact coordinates by endoporus and fixed contact; Bottom and the outlet rod of described moving contact are connected as a single entity, and described outlet rod is connected with high-tension cable core; It is characterized in that: described moving contact has groove installing insulating locating piece on its top, groove is stretched out in one end of described insulation locating piece.
2. the installation and positioning structure of high pressure GIS crosslinked cable terminal according to claim 1, is characterized in that: described moving contact outside fluting is arranged with spring, and described moving contact and fixed contact endoporus side are connected and fixed by spring flexible.
3. the installation and positioning structure of high pressure GIS crosslinked cable terminal according to claim 1, is characterized in that: described outlet rod adopts mechanical crimping to be connected with high-tension cable core.
4. the installation and positioning structure of high pressure GIS crosslinked cable terminal according to claim 1, is characterized in that: described insulation locating piece and moving contact are threaded connection fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571239.5U CN203522117U (en) | 2013-09-13 | 2013-09-13 | Installation positioning structure for high-voltage GIS crosslinked cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571239.5U CN203522117U (en) | 2013-09-13 | 2013-09-13 | Installation positioning structure for high-voltage GIS crosslinked cable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522117U true CN203522117U (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320571239.5U Expired - Lifetime CN203522117U (en) | 2013-09-13 | 2013-09-13 | Installation positioning structure for high-voltage GIS crosslinked cable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522117U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158652A (en) * | 2015-08-05 | 2015-12-16 | 国家电网公司 | High-voltage cable terminal leading-out structure |
| CN110176745A (en) * | 2019-07-04 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | A kind of pulling/inserting structure for EMU hv cable termination |
-
2013
- 2013-09-13 CN CN201320571239.5U patent/CN203522117U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158652A (en) * | 2015-08-05 | 2015-12-16 | 国家电网公司 | High-voltage cable terminal leading-out structure |
| CN105158652B (en) * | 2015-08-05 | 2017-12-08 | 国家电网公司 | A kind of hv cable termination deriving structure |
| CN110176745A (en) * | 2019-07-04 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | A kind of pulling/inserting structure for EMU hv cable termination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |