CN201868299U - Outdoor AC high-voltage isolating switch - Google Patents
Outdoor AC high-voltage isolating switch Download PDFInfo
- Publication number
- CN201868299U CN201868299U CN2010206358205U CN201020635820U CN201868299U CN 201868299 U CN201868299 U CN 201868299U CN 2010206358205 U CN2010206358205 U CN 2010206358205U CN 201020635820 U CN201020635820 U CN 201020635820U CN 201868299 U CN201868299 U CN 201868299U
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- Prior art keywords
- isolating switch
- switch
- outdoor
- post
- pole
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- 239000012212 insulator Substances 0.000 claims abstract description 27
- 241000239290 Araneae Species 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model provides an outdoor AC high-voltage isolating switch. The isolating switch comprises a switch base frame, wherein bearing supports are arranged at both ends of the switch base frame respectively, post insulators are fixed on the bearing supports respectively, conductive knife switches are installed at the upper parts of the two post insulators, and horizontal pull rods are installed at the lower parts between the two post insulators in a staggered manner to form a single-pole isolating switch; and the single-pole isolating switch is driven by operating the bearing supports on the switch base frame, and when a rotating shaft of the post insulator on one side of the bearing support clockwise rotates for 90 degrees, the horizontal pull rods between the two post insulators drive the post insulator on the other side of the bearing support to anticlockwise rotate for 90 degrees, and a conductive switch is opened or closed. The utility model has the benefits that the isolating switch adopts the outdoor three-phase alternating AC high-voltage electrical apparatus (50Hz), provides the high-voltage lines to be switched under pressure without load, realizes the safe electric isolation to the maintained high-voltage bus, the circuit breaker and other devices, ensures the normal power supply and avoids an accident. Therefore, the isolating switch has the advantages of simple structure, convenience in adjustment, reliable operation, smooth 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 the railway electrification traction substation.
Background technology
126kV outdoor AC high-voltage isolating switch is the necessary product of railway electrification traction substation, and it is bearing operating normal power supply of railway locomotive and the power failure Quarantine Tasks when breaking down, and is one of capital equipment that guarantees the normal operation of railway.China has isolating switch conducting system complex structure, poor reliability, low, maintenance difficult of electric-conductor life-span 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, guarantees that electric railway has reliably switching under the non-loaded situation of pressure, and claimed structure is simple, reduces production costs.
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 is equipped with at the two ends of switch underframe respectively, be fixed with post insulator on the bearing spider, the conduction disconnecting link is equipped with on the top of two post insulators, and the bottom dislocation between two post insulators is equipped with girt and is formed single-pole isolator; The transmission of described single-pole isolator is the bearing spider on the console switch underframe, the post insulator rotation axis of a side turns clockwise 90 ° on the bearing spider, the post insulator that girt by two post insulator intercolumniations drives opposite side is to being rotated counterclockwise 90 °, and the conduction disconnecting link separately or closed.
Effect of the present utility model is that this isolating switch is a three-phase alternating current 50Hz outdoor high-voltage electric equipment, switch having to press under the non-loaded 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.Have simple in structure, easy to adjust, advantages such as operation is reliable, stable action.
Description of drawings
Fig. 1 is the three-dimensional axonometric drawing of isolating switch of the present utility model;
Fig. 2 is a conduction disconnecting link structural front view of the present utility model;
Fig. 3 is a conduction disconnecting link structure of the present utility model vertical view when closing a floodgate.
Among the figure:
1, switch underframe 2, post insulator 3, conduction disconnecting link 4, bearing spider
5, girt 6, interpolar girt 7, outlet cap 8, go out irdome
9, be flexible coupling 10, protective cover
Embodiment
Reaching embodiment in conjunction with the accompanying drawings is illustrated outdoor AC high-voltage isolating switch structure of the present utility model.
GW4-126 outdoor AC high-voltage isolating switch is a three-phase alternating current 50HZ outdoor high-voltage electrical equipment, supplies high-tension line to switch under no current-carrying situation and the high voltage bus to being overhauled, and circuit breaker etc. are realized the electrical isolation of safety.
Outdoor AC high-voltage isolating switch of the present utility model, this isolating switch includes switch underframe 1, bearing spider 4 is equipped with at the two ends of switch underframe 1 respectively, be fixed with post insulator 2 on the bearing spider 4, the bottom dislocation that be equipped with between conduction disconnecting link 3, two post insulators 2 on the top of two post insulators 2 is equipped with girt 5 and is formed single-pole isolator; The transmission of described single-pole isolator is the bearing spider 4 on the console switch underframe 1, post insulator 2 rotation axiss of a side turn clockwise 90 ° on the bearing spider 4, the post insulator 2 that girt 5 by two post insulators, 2 intercolumniations drives opposite sides is to being rotated counterclockwise 90 °, and conduction disconnecting link 3 separately or closed.
With the described single-pole isolator of spline structure is parallel three to consist of three-pole isolator, be connected with the bearing spider 4 of single-pole isolator by girt 6 between the single-pole isolator, operate the bearing spider 4 on the switch underframe 1 of arbitrary single-pole isolator, girt 6 drives in addition two single-pole isolators and does and be synchronized with the movement.
As shown in Figure 1, operate the bearing spider 4 on the switch underframe 1 of arbitrary single-pole isolator, make post insulator 2 rotation axiss of a side on the bearing spider 4 turn clockwise 90 °, the post insulator 2 that girt 5 by intercolumniation drives opposite sides is to being rotated counterclockwise 90 °, makes conduction disconnecting link 3 separately or closed.Girt 6 is connected with the bearing spider 4 of three single-pole isolators between single-pole isolator, and alternate girt 6 other the two poles of the earth isolating switches of drive are done and are synchronized with the movement.
Shown in Fig. 2,3, the conduction disconnecting link 3 be flexible coupling 9 in going out irdome 8, go out outlet cap 7 is housed on the irdome 8, outlet cap 7 has dustproof, rainproof function.The contact engagement top of conduction disconnecting link 3 has protective cover 10, protective cover 10 to have dustproof, rainproof function.
The key issue of development GW4-126 outdoor AC high-voltage isolating switch is how to make main electric-conductor farthest have the dustproof and rainproof function 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 GW4-126 outdoor AC high-voltage isolating switch, analyze its operation principle and technologic advance, life-span and the requirement of reliable conduction in conjunction with GW4-126 outdoor AC high-voltage isolating switch, the emphasis component structural is optimized, manufacture experimently, test, to guarantee its reliability.One will be flexible coupling and 9 be sealed in out in the irdome; Conduction contact part was in the protective cover 10 when its two isolating switch closed a floodgate; 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) is equipped with at the two ends of switch underframe (1) respectively, be fixed with post insulator (2) on the bearing spider (4), conduction disconnecting link (3) is equipped with on the top of two post insulators (2), and the bottom dislocation between two post insulators (2) is equipped with girt (5) and is formed single-pole isolator; The transmission of described single-pole isolator is the bearing spider (4) on the console switch underframe (1), post insulator (2) rotation axis of the last side of bearing spider (4) turns clockwise 90 °, the post insulator (2) that girt (5) by two post insulators (2) intercolumniation drives opposite side is to being rotated counterclockwise 90 °, and conduction disconnecting link (3) separately or closed.
2. outdoor AC high-voltage isolating switch according to claim 1, it is characterized in that: with the described single-pole isolator of spline structure is parallel three to consist of three-pole isolator, be connected with the bearing spider (4) of single-pole isolator by girt (6) between the single-pole isolator, operate the bearing spider (4) on the switch underframe (1) of arbitrary single-pole isolator, girt (6) drives in addition two single-pole isolators and does and be synchronized with the movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206358205U CN201868299U (en) | 2010-12-01 | 2010-12-01 | Outdoor AC high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206358205U CN201868299U (en) | 2010-12-01 | 2010-12-01 | Outdoor AC high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201868299U true CN201868299U (en) | 2011-06-15 |
Family
ID=44139447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206358205U Expired - Fee Related CN201868299U (en) | 2010-12-01 | 2010-12-01 | Outdoor AC high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201868299U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077848A (en) * | 2013-01-29 | 2013-05-01 | 合保电气（芜湖）有限公司 | Three-phase load switch |
| CN103123873A (en) * | 2013-01-29 | 2013-05-29 | 合保电气（芜湖）有限公司 | Bypass disconnector |
| CN104701061A (en) * | 2015-04-06 | 2015-06-10 | 铁岭市世纪电力设备有限公司 | Outdoor AC high-voltage isolator |
| CN104733213A (en) * | 2015-04-06 | 2015-06-24 | 铁岭市世纪电力设备有限公司 | Outdoor alternating-current high-voltage isolating switch |
| CN105470059A (en) * | 2015-11-14 | 2016-04-06 | 彭伟成 | Power electrical circuit breaker |
| CN112750646A (en) * | 2020-12-28 | 2021-05-04 | 川铁电气（天津）股份有限公司 | Novel high-voltage isolating switch for railway |
-
2010
- 2010-12-01 CN CN2010206358205U patent/CN201868299U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077848A (en) * | 2013-01-29 | 2013-05-01 | 合保电气（芜湖）有限公司 | Three-phase load switch |
| CN103123873A (en) * | 2013-01-29 | 2013-05-29 | 合保电气（芜湖）有限公司 | Bypass disconnector |
| CN103077848B (en) * | 2013-01-29 | 2015-06-17 | 合保电气（芜湖）有限公司 | Three-phase load switch |
| CN104701061A (en) * | 2015-04-06 | 2015-06-10 | 铁岭市世纪电力设备有限公司 | Outdoor AC high-voltage isolator |
| CN104733213A (en) * | 2015-04-06 | 2015-06-24 | 铁岭市世纪电力设备有限公司 | Outdoor alternating-current high-voltage isolating switch |
| CN105470059A (en) * | 2015-11-14 | 2016-04-06 | 彭伟成 | Power electrical circuit breaker |
| CN112750646A (en) * | 2020-12-28 | 2021-05-04 | 川铁电气（天津）股份有限公司 | Novel high-voltage isolating switch for railway |
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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.: 2013120000050 Denomination of utility model: Electric connecting mechanism for outdoor alternating-current high-voltage disconnector Granted publication date: 20110615 License type: Exclusive License Record date: 20130912 |
|
| 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 |
Granted publication date: 20110615 Termination date: 20161201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |