CN204011230U - 252kV bus separate-box type GIS combined electrical apparatus novel bus earthed switch - Google Patents
252kV bus separate-box type GIS combined electrical apparatus novel bus earthed switch Download PDFInfo
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- CN204011230U CN204011230U CN201420358777.0U CN201420358777U CN204011230U CN 204011230 U CN204011230 U CN 204011230U CN 201420358777 U CN201420358777 U CN 201420358777U CN 204011230 U CN204011230 U CN 204011230U
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- bus
- earthed switch
- power transmission
- transmission shaft
- connecting lever
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Abstract
The utility model relates to a kind of 252kV combined electrical apparatus technical field, specifically a kind of 252kV bus separate-box type GIS combined electrical apparatus novel bus earthed switch, comprise three-phase ground Switch main body, an operating mechanism and a link gearing etc., described earthed switch body is positioned at bus bar terminal, the moving contact of earthed switch body vertically arranges, its upper end and interior connecting lever are articulated and connected, the other end of interior connecting lever is fixedly connected with power transmission shaft, power transmission shaft is positioned at housing middle part one side of earthed switch body, power transmission shaft is connected with operating mechanism by link transmission assembling device, in the housing of earthed switch body, be provided with electrical connection, electrical connection is arranged on bus-bar insulator one side, and corresponding to the below of moving contact, bus-bar insulator opposite side is connected with bus-bars conductor.The utlity model has earthed switch installation site reasonable, volume is little, is convenient to plant maintenance, reduces the feature of occupation area of equipment.
Description
Technical field
The utility model relates to a kind of 252kV combined electrical apparatus technical field, specifically a kind of 252kV bus separate-box type GIS combined electrical apparatus novel bus earthed switch.
Background technology
Combined electrical apparatus, claim again Cubicle Gas-Insulated Switchgear, it is to be directly linked to together by elements such as circuit breaker, isolating switch, earthed switch, main bus bars, and is all enclosed in the metal shell of ground connection, fills using the SF6 gas of certain pressure as insulation and arc-extinguishing medium in shell.
Earthed switch in 252kV bus separate-box type combined electrical apparatus at present, normally, with being combined into one of isolating switch structure, another is the one group of closure of connecting on bus, and earthed switch is arranged separately.The earthed switch arranging separately need be preset one section of bus in loop, interval, by earthed switch and this bus are arranged vertically, is grounded being connected of switch and loop.Like this, no matter adopt above-mentioned any one structure, earthed switch is all to go here and there in equipment, occupies certain space, and equipment volume is larger; Land occupation space is large on the one hand, and giving on the other hand equipment conveying and installing has all increased difficulty.Because earthed switch is arranged between each element, need to disassemble the parts of earthed switch both sides while maintenance, maintenance workload is larger simultaneously, and the time of power failure extends relatively, and the life on user or production cause no small impact and loss.How a kind of earthed switch layout of optimizing is provided, maintains easily, reduced volume, rationally arranges position of components, becomes the utility model technical issues that need to address.
Summary of the invention
The utility model provides a kind of installation site reasonable in order to overcome above-mentioned defect, is convenient to safeguard the bus separate-box type GIS combined electrical apparatus earthed switch that volume is little.
The technical solution adopted in the utility model is: comprise three-phase ground switch
body, an operating mechanism and a link transmission dress
put, the corresponding phase ground connection Switch main body that connects of every phase bus, operating mechanism is connected with three-phase ground Switch main body by link gearing, realizes three-phase ganged.It is characterized in that: described earthed switch body is positioned at bus bar terminal, the moving contact of earthed switch body
vertical setting, itsupper end and interior connecting lever are articulated and connected, and the other end of interior connecting lever is fixedly connected with power transmission shaft, and power transmission shaft is positioned at housing middle part one side of earthed switch body, and power transmission shaft is connected with operating mechanism by link transmission assembling device; In the housing of earthed switch body, be provided with electrical connection, electrical connection is arranged on bus-bar insulator one side, and corresponding to the below of moving contact, bus-bar insulator opposite side is connected with bus-bars conductor.
In the utility model, link gearing comprises connecting rod, mechanism's output toggle arm and outer connecting lever, outer connecting lever is arranged on the hull outside of every phase ground connection Switch main body, its lower end is fixedly connected with described power transmission shaft, its upper end is all connected with rod hinge connection, and connecting rod is connected with operating mechanism by mechanism's output toggle arm.; Connecting rod links together three outer connecting levers and mechanism's output toggle arm, and mechanism's output toggle arm is connected with mechanism output shaft.Realize three phase mechanical linkage.
The earthed switch body in combined electrical apparatus has been installed to bus bar terminal by the utility model, and electrical connection is positioned at the below of moving contact, and moving contact upper end is connected with interior connecting lever, and interior connecting lever is connected with link gearing by power transmission shaft.Operating mechanism drives power transmission shaft to rotate by link gearing, and power transmission shaft drives moving contact to realize rectilinear motion by interior connecting lever.Contact with being electrically connected when moving contact moves to, be grounded the combined floodgate of switch; When moving contact move to be electrically connected and separate after, be grounded the sub-switching operation of switch.Because operating mechanism drives the moving contact of three earthed switch bodies to move by link gearing simultaneously simultaneously, therefore guarantee the three-phase synchronous of equipment.The utility model has reasonably utilized the idle space of bus bar terminal, has reduced the overall volume of combined electrical apparatus, reduces floor space, and earthed switch of the present utility model installation site is reasonable, is no longer traditional being series in equipment, is convenient to plant maintenance.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the A portion enlarged drawing in Fig. 1.
Embodiment
Now by reference to the accompanying drawings the utility model is further described, Fig. 1 is a kind of embodiment of the present utility model, comprises three-phase ground Switch main body 1, an operating mechanism 2 and a link transmission dress
put, the corresponding phase ground connection Switch main body 1 that connects of every phase bus 3, operating mechanism 2 is connected with three-phase ground Switch main body 1 by link gearing, realizes three-phase ganged.Described earthed switch body 1 is positioned at bus 3 terminals, and bus 3 is vertical setting conventionally, and the housing of bus 3 is also vertical setting, bus 3 also can horizontally set, bus 3 in the present embodiment is vertical setting, and earthed switch body 1 is just arranged on the top of bus 3 housings, sees Fig. 1.The moving contact 8 of earthed switch body 1
vertical setting, itsupper end and interior connecting lever 7 are articulated and connected, and the other end of interior connecting lever 7 is fixedly connected with power transmission shaft 10, and power transmission shaft 10 is positioned at housing middle part one side of earthed switch body 1, sees Fig. 3, and power transmission shaft 10 is connected with operating mechanism 2 by link gearing.In the housing of earthed switch body 1, be provided with electrical connection 9, electrical connection 9 is the fixed contact of earthed switch, coordinates and realizes divide-shut brake with moving contact 8, and described electrical connection 9 is arranged on bus-bar insulator 11 1 sides, and corresponding to the below of moving contact 8, bus-bar insulator 11 opposite sides are connected with bus-bars conductor.
In the present embodiment, described link gearing comprises connecting rod 4, mechanism's output toggle arm 5 and outer connecting lever 6, outer connecting lever 6 is arranged on the hull outside of every phase ground connection Switch main body 1, its lower end is fixedly connected with described power transmission shaft 10, its upper end is all articulated and connected with connecting rod 4, and connecting rod 4 is connected with operating mechanism 2 by mechanism's output toggle arm 5.Connecting rod 4 links together three outer connecting levers 6 and mechanism's output toggle arm 5, and mechanism's output toggle arm 5 is connected with mechanism output shaft, realizes three phase mechanical linkage.Conventionally operating mechanism 2 is provided with installing rack, and installing rack is fixed on the flange face place of earthed switch Crankarm box conventionally.
When combined electrical apparatus maintenance or break down while needing earthed switch to close a floodgate, contactor in operating mechanism 2 receives the secondary singal that control desk provides and starts action, by rotating mechanism output shaft drivening rod actuator movement, link gearing drives outer connecting lever 6 to rotate, in outer connecting lever 6 drives by power transmission shaft 10, connecting lever 7 clockwise rotates, meanwhile, interior connecting lever 7 drives moving contact 8 to move down and make moving contact 8 to contact with electrical connection 9, is grounded the closing operation of switch.
In the time that combined electrical apparatus operation needs grounding switch tripping, contactor in operating mechanism 2 receive that control desk provides secondary singal start action, mechanism's output shaft is by the 5 drivening rod transmission device counter motions of mechanism's output toggle arm, link gearing drives outer connecting lever 6 to rotate backward, in outer connecting lever 6 drives by power transmission shaft 10, connecting lever 7 rotates counterclockwise, meanwhile, interior connecting lever 7 drives moving contact 8 to move up and makes moving contact 8 and be electrically connected 9 and be separated, and is grounded the sub-switching operation of switch.
In the present embodiment, earthed switch body 1 is vertical structure, be that moving contact 8 vertically arranges, the direction of motion of moving contact 8 is for vertically moving back and forth, earthed switch body 1 in the utility model is not limited to vertical structure, can also be arranged to horizontal type structure, i.e. moving contact 8 horizontally sets, the direction of motion of moving contact 8 is that transverse reciprocating moves, and uses for the bus 3 of joining horizontally set.
Because the utility model has been installed to the earthed switch body 1 in combined electrical apparatus the terminal of bus 3, electrical connection 9 is again corresponding to the below of moving contact 8, by the straight reciprocating motion of moving contact of grounding switch 8, complete and be electrically connected 9 contact or separate, realization is connected and disconnection with bus-bars conductor.This arrangement form, has reasonably utilized the idle space of bus 3 terminals, has reduced the overall volume of combined electrical apparatus, can the shared space of saving equipment, and for later repair and maintenance is also provided convenience.
The utlity model has earthed switch installation site reasonable, volume is little, is convenient to plant maintenance, reduces the feature of occupation area of equipment.
Claims (2)
1. a 252kV bus separate-box type GIS combined electrical apparatus novel bus earthed switch, comprises three-phase ground switch
body, an operating mechanism and a link transmission dress
put, the corresponding phase ground connection Switch main body that connects of every phase bus, operating mechanism is connected with three-phase ground Switch main body by link gearing, realizes three-phase ganged, it is characterized in that: described earthed switch body is positioned at bus bar terminal, the moving contact of earthed switch body
vertical setting, itsupper end and interior connecting lever are articulated and connected, and the other end of interior connecting lever is fixedly connected with power transmission shaft, and power transmission shaft is positioned at housing middle part one side of earthed switch body, and power transmission shaft is connected with operating mechanism by link transmission assembling device; In the housing of earthed switch body, be provided with electrical connection, electrical connection is arranged on bus-bar insulator one side, and corresponding to the below of moving contact, bus-bar insulator opposite side is connected with bus-bars conductor.
2. 252kV bus separate-box type GIS combined electrical apparatus novel bus earthed switch according to claim 1, it is characterized in that: link gearing comprises connecting rod, mechanism's output toggle arm and outer connecting lever, outer connecting lever is arranged on the hull outside of every phase ground connection Switch main body, its lower end is fixedly connected with described power transmission shaft, its upper end is all connected with rod hinge connection, and connecting rod is connected with operating mechanism by mechanism's output toggle arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358777.0U CN204011230U (en) | 2014-07-01 | 2014-07-01 | 252kV bus separate-box type GIS combined electrical apparatus novel bus earthed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358777.0U CN204011230U (en) | 2014-07-01 | 2014-07-01 | 252kV bus separate-box type GIS combined electrical apparatus novel bus earthed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011230U true CN204011230U (en) | 2014-12-10 |
Family
ID=52051191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358777.0U Expired - Fee Related CN204011230U (en) | 2014-07-01 | 2014-07-01 | 252kV bus separate-box type GIS combined electrical apparatus novel bus earthed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011230U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831424A (en) * | 2017-11-27 | 2018-03-23 | 许继（厦门）智能电力设备股份有限公司 | One kind is used for GIS intervals pressure test test device |
| CN108711805A (en) * | 2018-05-10 | 2018-10-26 | 河南森源电气股份有限公司 | GIS bus devices with earthing switch |
| WO2019024291A1 (en) * | 2017-08-01 | 2019-02-07 | 平高集团有限公司 | Gil power transmission system, power transmission line and grounding switch |
| WO2022093153A1 (en) * | 2020-10-27 | 2022-05-05 | Eae Elektrik Asansor Endustrisi Insaat Sanayi Ve Ticaret Anonim Sirketi | Output box grounding device for power distribution lines |
-
2014
- 2014-07-01 CN CN201420358777.0U patent/CN204011230U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024291A1 (en) * | 2017-08-01 | 2019-02-07 | 平高集团有限公司 | Gil power transmission system, power transmission line and grounding switch |
| CN107831424A (en) * | 2017-11-27 | 2018-03-23 | 许继（厦门）智能电力设备股份有限公司 | One kind is used for GIS intervals pressure test test device |
| CN107831424B (en) * | 2017-11-27 | 2024-04-02 | 许继（厦门）智能电力设备股份有限公司 | Be used for GIS interval withstand voltage test testing arrangement |
| CN108711805A (en) * | 2018-05-10 | 2018-10-26 | 河南森源电气股份有限公司 | GIS bus devices with earthing switch |
| WO2022093153A1 (en) * | 2020-10-27 | 2022-05-05 | Eae Elektrik Asansor Endustrisi Insaat Sanayi Ve Ticaret Anonim Sirketi | Output box grounding device for power distribution lines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150701 |
|
| EXPY | Termination of patent right or utility model |