CN201956257U - Outdoor alternating-current high-voltage disconnecting switch - Google Patents
Outdoor alternating-current high-voltage disconnecting switch Download PDFInfo
- Publication number
- CN201956257U CN201956257U CN2011200179687U CN201120017968U CN201956257U CN 201956257 U CN201956257 U CN 201956257U CN 2011200179687 U CN2011200179687 U CN 2011200179687U CN 201120017968 U CN201120017968 U CN 201120017968U CN 201956257 U CN201956257 U CN 201956257U
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- CN
- China
- Prior art keywords
- disconnecting switch
- pole
- voltage
- outdoor
- isolating switch
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- Expired - Fee Related
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Abstract
The utility model provides an outdoor alternating-current high-voltage disconnecting switch. The disconnecting switch comprises a switch underframe, wherein two ends of the underframe are provided with bearing supports, the two bearing supports are fixedly provided with pillar insulators, and an electric-conducting disconnecting link is arranged between the upper parts of the two pillar insulators to from a momopolar disconnecting switch; and a rotating shaft of the pillar insulator on one end of the bearing support of the monopolar disconnecting switch rotates by 90 degrees clockwise, the pillar insulator on the other end is driven to rotate by 90 degrees counterclockwise by a horizontal draw bar between the two pillar insulators, so that the electric-conducting disconnecting link is switched on or off. The utility model has the beneficial effects that the disconnecting switch is a three-phase alternating-current 50Hz outdoor high-voltage electric appliance and is used for switching a high-voltage line under the condition of no carrier current and realizing safety electric insulation for a high-voltage bus, a circuit breaker and the like to be overhauled, so as to guarantee normal power supply and avoid accidents. The disconnecting switch can be manufactured into a monopole manner, three-phase linkage can be formed through inter-phase connection, and the disconnecting switch can also be used as a monopole. The outdoor alternating-current high-voltage disconnecting switch has the advantages of simple structure, convenience for regulation, reliability in operation, stability in action and the like.
Description
Technical field
The utility model relates to a kind of outdoor AC high-voltage isolating switch that is applicable to rural power grids electric power, railway electric power system.
Background technology
252kV outdoor AC high-voltage isolating switch is the necessary product of the normal operation of railway, and it is bearing operating normal power supply of railway locomotive and the power failure Quarantine Tasks when breaking down, and is the capital equipment that guarantees the normal operation of railway.China has isolating switch conducting system complex structure, low, low, the maintenance difficult of electric-conductor life-span of conduction reliability now.
Summary of the invention
At structural deficiency in the prior art, the purpose of this utility model provides the outdoor AC high-voltage isolating switch, and production cost is lowered in the specification requirement when being beneficial to adapt to the power supply of locomotive operation and fault simultaneously.
For achieving the above object, the technical solution adopted in the utility model provides a kind of outdoor AC high-voltage isolating switch, wherein: this isolating switch includes the switch underframe, bearing spider respectively is equipped with at the two ends of underframe, two bearing spiders are fixed with post insulator, between the two post insulator tops conduction disconnecting link is housed, and forms single-pole isolator; The rotation axis of the post insulator on described single-pole isolator bearing spider one end turns clockwise 90 °, and the girt by two post insulator intercolumniations drives the post insulator of the other end to being rotated counterclockwise 90 °, forms the conduction disconnecting link separately or closed; Described isolating switch is three groups of parallel three-pole isolators that are combined into of single-pole isolator, be connected with the bearing spider of every group of single-pole isolator by the intercolumniation girt between per two groups of single-pole isolators, operate the bearing spider on the switch underframe of arbitrary group of single-pole isolator, the interpolar girt drives in addition two single-pole isolators and does and be synchronized with the movement.
Effect of the present utility model is that this isolating switch is a three-phase alternating current 50Hz outdoor high-voltage electrical equipment, switch under no current-carrying situation for high-tension line, and, guarantee normal power supply to realized the electrical isolation of safety by the high voltage bus that overhauled, circuit breaker etc., avoid accident to take place.Isolating switch can be made the one pole form, form three by alternate connection and link, but also one pole uses.Have simple in structure, easy to adjust, advantages such as operation is reliable, stable action.
Description of drawings
Fig. 1 is an isolating switch structural representation of the present utility model;
Fig. 2 is a conduction disconnecting link structural representation of the present utility model;
Fig. 3 is a conduction disconnecting link structure of the present utility model vertical view when closing a floodgate;
Vertical view when Fig. 4 is a conduction disconnecting link structure separating brake of the present utility model;
Fig. 5 is the local enlarged diagram of Fig. 3.
Among the figure:
1, switch underframe 2, post insulator 3, conduction disconnecting link 4, bearing spider
5, intercolumniation girt 6, interpolar girt 7, fingertip
8, the insulation collar 9, stage clip 10, contact 11, conducting rod
Embodiment
Reaching embodiment in conjunction with the accompanying drawings is illustrated outdoor AC high-voltage isolating switch structure of the present utility model.
As shown in Figure 1 and Figure 2, the outdoor AC high-voltage isolating switch, this isolating switch includes switch underframe 1, bearing spider 4 respectively is equipped with at the two ends of underframe 1, two bearing spiders 4 are fixed with conduction disconnecting link 3 are housed between post insulator 2, two post insulators 2 tops, and form single-pole isolator; The rotation axis of the post insulator 2 on described single-pole isolator bearing spider 4 one ends turns clockwise 90 °, intercolumniation girt 5 by two post insulators 2 drives the post insulator 2 of the other ends to being rotated counterclockwise 90 °, forms conduction disconnecting link 3 separately or closed.Described isolating switch is three groups of parallel three-pole isolators that are combined into of single-pole isolator, be connected with the bearing spider 4 of every group of single-pole isolator by interpolar girt 6 between two groups of single-pole isolators, operate the bearing spider 4 on the switch underframe 1 of arbitrary group of single-pole isolator, interpolar girt 6 drives in addition two single-pole isolators and does and be synchronized with the movement.
Described indoor high direct voltage isolating switch conduction disconnecting link 3 comprises fingertip 7, stage clip 8, the insulation collar 9, contact 10, conducting rod 11; Described fingertip 7 is screwed on conducting rod 11 with contact 10, is provided with the insulation collar 9 between fingertip 7 and stage clip 8.
With GW4-126 outdoor AC high-voltage isolating switch is example, this outdoor AC high-voltage isolating switch is a three-phase alternating current 50HZ outdoor high-voltage electrical equipment, switches under no current-carrying situation and to being realized safe electrical isolation by the high voltage bus that overhauled, circuit breaker etc. for high-tension line.
As Fig. 3, Fig. 4, shown in Figure 5, fingertip 7 adopts U type structures, avoids original structure to be unfavorable for stablizing through-flow deficiency, and the insulation collar 9 is fingertip 7 and stage clip 8 insulation, avoids stage clip 8 long-term heatings and loses efficacy.
The key issue of development GW4-252 outdoor AC high-voltage isolating switch is reliable branch, the combined floodgate that how to make conduction disconnecting link energy chronicity on the basis that guarantees the isolating switch quality, and guarantee the quality of main electric-conductor, thereby accomplish the freedom from repairs of product integral body from technology and technology.
Form structure in conjunction with domestic and international GW4-252 outdoor AC high-voltage isolating switch, analyze its operation principle and technologic advance, in conjunction with life-span of opening GW4-252 outdoor AC high-voltage isolating switch and the requirement of reliable conduction, the emphasis component structural is optimized, manufacture experimently, test, to guarantee its reliability.Adopt U type fingertip structure, avoid original structure to be unfavorable for stablizing through-flow characteristics, effective like this useful life and reliable conductivity that has improved the isolating switch electric-conductor.
Claims (2)
1. outdoor AC high-voltage isolating switch, it is characterized in that: this isolating switch includes switch underframe (1), bearing spider (4) respectively is equipped with at the two ends of underframe (1), two bearing spiders (4) are fixed with post insulator (2), conduction disconnecting link (3) is housed between two post insulators (2) top, and forms single-pole isolator; The rotation axis of the post insulator (2) on described single-pole isolator bearing spider (4) one ends turns clockwise 90 °, intercolumniation girt (5) by two post insulators (2) drives the post insulator (2) of the other end to being rotated counterclockwise 90 °, forms conduction disconnecting link (3) separately or closed;
Described isolating switch is three groups of parallel three-pole isolators that are combined into of single-pole isolator, be connected with the bearing spider (4) of every group of single-pole isolator by interpolar girt (6) between per two groups of single-pole isolators, operate the bearing spider (4) on the switch underframe (1) of arbitrary group of single-pole isolator, interpolar girt (6) drives in addition two single-pole isolators and does and be synchronized with the movement.
2. outdoor AC high-voltage isolating switch according to claim 1 is characterized in that: described indoor high direct voltage isolating switch conduction disconnecting link (3) comprises fingertip (7), stage clip (8), the insulation collar (9), contact (10), conducting rod (11); Described fingertip (7) is screwed on conducting rod (11) with contact (10), is provided with the insulation collar (9) between fingertip (7) and stage clip (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200179687U CN201956257U (en) | 2011-01-20 | 2011-01-20 | Outdoor alternating-current high-voltage disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200179687U CN201956257U (en) | 2011-01-20 | 2011-01-20 | Outdoor alternating-current high-voltage disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956257U true CN201956257U (en) | 2011-08-31 |
Family
ID=44500361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200179687U Expired - Fee Related CN201956257U (en) | 2011-01-20 | 2011-01-20 | Outdoor alternating-current high-voltage disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201956257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021719A (en) * | 2012-12-03 | 2013-04-03 | 江苏省如高高压电器有限公司 | Ice-melting isolating switch |
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
-
2011
- 2011-01-20 CN CN2011200179687U patent/CN201956257U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021719A (en) * | 2012-12-03 | 2013-04-03 | 江苏省如高高压电器有限公司 | Ice-melting isolating switch |
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sideihua Electrical (Tianjin) Co.,Ltd. Assignor: Chuantie Electric (Tianjin) Group Co., Ltd. Contract record no.: 2013120000059 Denomination of utility model: Electric connecting mechanism for outdoor alternating-current high-voltage disconnector Granted publication date: 20110831 License type: Exclusive License Record date: 20131108 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20170120 |