CN202917377U - Three-station isolating/earthing switch for gas insulated metal-enclosed switchgear - Google Patents
Three-station isolating/earthing switch for gas insulated metal-enclosed switchgear Download PDFInfo
- Publication number
- CN202917377U CN202917377U CN 201220562743 CN201220562743U CN202917377U CN 202917377 U CN202917377 U CN 202917377U CN 201220562743 CN201220562743 CN 201220562743 CN 201220562743 U CN201220562743 U CN 201220562743U CN 202917377 U CN202917377 U CN 202917377U
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- China
- Prior art keywords
- contact
- moving contact
- fixed contact
- ground connection
- station isolating
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- Expired - Lifetime
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- Gas-Insulated Switchgears (AREA)
Abstract
Disclosed in the utility model is a three-station isolating/earthing switch for a gas insulated metal-enclosed switchgear. The switch comprises a first fixed contact connected with a housing, a second fixed contact with an inner conductor, a third fixed contact, an earthing moving contact, and an isolating moving contact. Specifically, the central shafts of the earthing moving contact and the first fixed contact and the central shafts of the isolating moving contact and the second fixed contact are respectively arranged on the same straight lines; and the earthing moving contact and the isolating moving contact are arranged in cylindrical grooves inside two ends of the third fixed contact. In addition, a transmission shift fork and a shaft coupling are installed inside the third fixed contact; the transmission shift fork and the shaft coupling are connected in a cooperated mode; and the shaft coupling is driven by a drive apparatus. According to the utility model, the isolating switch and the earthing switch are combined into one unit, thereby substantially reducing the size of the switchgear and lowering the cost. Besides, the provided switch has advantages of simple structure and convenient installation.
Description
Technical field
The utility model relates to a kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear, is specifically related to the three-station isolating/grounding switch for 126KV three-phase common box type gas insulating metal enclosed switchgear.
Background technology
The gas insulating enclosed switch equipment main composition is divided into Static Contact and sliding contact two large divisions, and Static Contact partly comprises the Primary Conductor part of the elements such as main bus bar, branch bar, inlet-outlet sleeve, current transformer, voltage transformer and lightning arrester; Dynamic Contact partly comprises circuit breaker, isolating switch and earthed switch three large elements.Isolating switch, earthed switch in the Cubicle Gas-Insulated Switchgear is two independently functional units at present, and not only volume is large, cost is high, and inconvenience is installed.
The utility model content
The utility model is for the shortcoming in the background technology, a kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear is provided, its purpose is: former independently two functional units are merged into a functional unit, reduce cost, it is convenient to install.
Technical solution of the present utility model:
A kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear, it is characterized in that: described switch comprises the first fixed contact that is connected with housing, the second fixed contact that is connected with inner wire, the 3rd fixed contact, ground connection moving contact, isolation moving contact; On the same straight line, ground connection moving contact, isolation moving contact place in the cylinder shape groove of inside, the 3rd fixed contact two ends the central shaft of described ground connection moving contact and the first fixed contact, isolation moving contact and the second fixed contact respectively; Transmission shift fork and shaft coupling are equipped with in described the 3rd fixed contact inside, and transmission shift fork and shaft coupling are connected, and shaft coupling is driven by drive unit.
The insulation gas filled SF6 of described enclosure interior.
Described ground connection moving contact and isolation moving contact are the column type contact.
Described ground connection moving contact, isolation moving contact become 90 ° of fixed angles.
Described the 3rd fixed contact inside is equipped with screw-contact, is electrically connected by the screw-contact realization between ground connection moving contact, isolation moving contact and the 3rd fixed contact.
Form electrical connection by the plum blossom fingertip between described ground connection moving contact and the first fixed contact, isolation moving contact and the second fixed contact.
Described shaft coupling is hexagonal structure.
Described drive unit is shaft insulation, and shaft insulation inserts in the shaft coupling.
The utility model beneficial effect:
The utility model is merged into a unit with isolating switch and earthed switch, has greatly dwindled equipment volume, has reduced cost; The utility model is simple in structure in addition, and it is convenient to install.
Description of drawings
Fig. 1 is the primary importance sectional view that isolating switch disconnects, earthed switch is connected.
Fig. 2 is the second place sectional view that isolating switch is connected, earthed switch disconnects.
Fig. 3 is the 3rd position sectional view that isolating switch disconnects, earthed switch disconnects.
Fig. 4 is the shaft insulation structure chart.
Among the figure: 1 is the first fixed contact, and 2 is the ground connection moving contact, and 3 are the isolation moving contact, and 4 is the second fixed contact, and 5 is shaft insulation, and 6 is housing, and 7 is the 3rd fixed contact, and 8 are the transmission shift fork, and 9 is shaft coupling.
Embodiment
Specifically describe the utility model below in conjunction with drawings and Examples.
As shown in Figures 1 to 4, a kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear comprises the first fixed contact 1 that is connected with housing 6, the second fixed contact 4 that is connected with inner wire, the 3rd fixed contact 7, ground connection moving contact 2, isolation moving contact 3; The central shaft of described ground connection moving contact 2 and the first fixed contact 1, isolation moving contact 3 and the second fixed contact 4 is respectively on the same straight line, ground connection moving contact 2, isolation moving contact 3 place in the cylinder shape groove of inside, the 3rd fixed contact 7 two ends, become 90 ° of fixed angles; Transmission shift fork 8 and shaft coupling 9 are equipped with in described the 3rd fixed contact 7 inside, shaft coupling 9 is connected with transmission shift fork 8, the 3rd fixed contact 7 inside are equipped with screw-contact, are electrically connected by the screw-contact realization between ground connection moving contact 2, isolation moving contact 3 and the 3rd fixed contact 7.Form electrical connection by the plum blossom fingertip between described ground connection moving contact 2 and the first fixed contact 1, isolation moving contact 3 and the second fixed contact 4.Described housing 6 inner insulation gas filled SF6.
The specific works process:
Insert shaft coupling 9 during shaft insulation 5 assembling, shaft coupling 9 is hexagonal structures, also has a hexagonal hole to cooperate with shaft coupling 9 on the transmission shift fork 8, drives shaft coupling 9 after shaft insulation 5 rotations, shaft coupling 9 drives transmission shift fork 8, and transmission shift fork 8 drives ground connection moving contact 2,3 motions of isolation moving contact.
Be illustrated in figure 1 as the primary importance sectional view that isolating switch disconnects, earthed switch is connected, be electrically connected with the first fixed contact 1 at this position ground connection moving contact 2, guarantee whole isolating/grounding switch effective grounding.
By rotating insulated axle 5, ground connection moving contact 2 can be pushed in the fixed contact 7, and in this case, ground connection moving contact 2, isolation moving contact 3 are positioned at simultaneously fixed contact 7, and do not expose.
Be illustrated in figure 2 as the second place sectional view that isolating switch is connected, earthed switch disconnects, further by rotating insulated axle 5, isolation moving contact 3 can be moved out of fixed contact 7, and be pushed into fixed contact 4, in this case, ground connection moving contact 2 is positioned at fixed contact 7, and does not expose.
The 3rd position sectional view that isolating switch disconnects as shown in Figure 3, earthed switch disconnects by rotating insulated axle 5, makes ground connection moving contact 2, isolation moving contact 3 be positioned at simultaneously fixed contact 7, and isolating switch and earthed switch all disconnect.
Claims (8)
1. three-station isolating/grounding switch that is used for Cubicle Gas-Insulated Switchgear, it is characterized in that: described switch comprises the first fixed contact that is connected with housing, the second fixed contact that is connected with inner wire, the 3rd fixed contact, ground connection moving contact, isolation moving contact; On the same straight line, ground connection moving contact, isolation moving contact place in the cylinder shape groove of inside, the 3rd fixed contact two ends the central shaft of described ground connection moving contact and the first fixed contact, isolation moving contact and the second fixed contact respectively; Transmission shift fork and shaft coupling are equipped with in described the 3rd fixed contact inside, and transmission shift fork and shaft coupling are connected, and shaft coupling is driven by drive unit.
2. a kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear as claimed in claim 1 is characterized in that: the insulation gas filled SF6 of described enclosure interior.
3. a kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear as claimed in claim 1 is characterized in that: described ground connection moving contact and isolation moving contact are the column type contact.
4. such as claim 1 or 3 described a kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear, it is characterized in that: described ground connection moving contact, isolation moving contact become 90 ° of fixed angles.
5. a kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear as claimed in claim 1, it is characterized in that: described the 3rd fixed contact inside is equipped with screw-contact, is electrically connected by the screw-contact realization between ground connection moving contact, isolation moving contact and the 3rd fixed contact.
6. a kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear as claimed in claim 1 is characterized in that: form electrical connection by the plum blossom fingertip between described ground connection moving contact and the first fixed contact, isolation moving contact and the second fixed contact.
7. a kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear as claimed in claim 1, it is characterized in that: described shaft coupling is hexagonal structure.
8. a kind of three-station isolating/grounding switch for Cubicle Gas-Insulated Switchgear as claimed in claim 1, it is characterized in that: described drive unit is shaft insulation, shaft insulation inserts in the shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220562743 CN202917377U (en) | 2012-10-30 | 2012-10-30 | Three-station isolating/earthing switch for gas insulated metal-enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220562743 CN202917377U (en) | 2012-10-30 | 2012-10-30 | Three-station isolating/earthing switch for gas insulated metal-enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202917377U true CN202917377U (en) | 2013-05-01 |
Family
ID=48165664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220562743 Expired - Lifetime CN202917377U (en) | 2012-10-30 | 2012-10-30 | Three-station isolating/earthing switch for gas insulated metal-enclosed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202917377U (en) |
-
2012
- 2012-10-30 CN CN 201220562743 patent/CN202917377U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Three position isolating / grounding switch for gas insulated metal enclosed switchgear Effective date of registration: 20200819 Granted publication date: 20130501 Pledgee: Jiangsu Yuneng Jingke photoelectric New Energy Group Co.,Ltd. Pledgor: JIANGSU JINGKE SMART ELECTRIC Co.,Ltd. Registration number: Y2020320000185 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
|
| CX01 | Expiry of patent term |