CN206460902U - The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker - Google Patents
The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker Download PDFInfo
- Publication number
- CN206460902U CN206460902U CN201720048164.0U CN201720048164U CN206460902U CN 206460902 U CN206460902 U CN 206460902U CN 201720048164 U CN201720048164 U CN 201720048164U CN 206460902 U CN206460902 U CN 206460902U
- Authority
- CN
- China
- Prior art keywords
- breaker
- buffer unit
- voltage alternating
- outdoor high
- current vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000872 buffer Substances 0.000 title claims abstract description 46
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000003139 buffering effect Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides the buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker, buffer unit, including buffer unit and motion converting member, the motion of moving contact in vacuum circuit breaker is converted into motion of the buffer unit along its own axis by motion converting member.Breaker, including circuit breaker case is provided with drive rod and limited block in box of the circuit breaker body, driving boom end connection wedge, buffer unit is fixedly connected with circuit breaker case, and limited block is arranged at the bottom of circuit breaker case, for positioning buffer unit.The utility model is simple in construction, small volume, on the basis of existing product contour structure size is not changed, and can be directly mounted at the type outdoor high-voltage alternating-current vacuum breakers of ZW32 12 or has on the breaker also required that, is conducive to versatility and the miniaturization of product;Because oil bumper is better than rubber buffer effect, after the device, the separating brake bounce-back of breaker meets the characteristic requirements of breaker with overshoot amplitude.
Description
Technical field
The utility model belongs to high-voltage switch gear technical field, and in particular to a kind of outdoor high-voltage alternating-current vacuum breaker it is slow
Flushing device and its breaker.
Background technology
With the rapid propulsion of Distributing Network Automation, Power System Reliability and it is intelligentized require more and more higher, break
Road device carries the vital task of control and protection as one of power system visual plant.Because the usage amount of breaker is big,
Wide, frequent operation, its reliability is constantly subjected to extensive concern.It is that breaker is realizing sub-switching operation mistake that contact, which is overshooted with bounce-back,
The damped motion being difficult to avoid that moving contact occurs in journey, bounce-back amplitude is smaller, and separating brake action is more reliable;Amplitude is bigger, is opening
When disconnected short circuit current flow or switched capacitor group, phenomenon of restriking easily is produced;Overshoot amplitude bigger, the infringement to arc extinguishing chamber bellows
Also it is more serious, vacuum interrupter service life is reduced, such contact overshoot and bounce-back amplitude size, which turn into, weighs breaker performance
An important symbol.
ZW32-12 types outdoor high-voltage alternating-current vacuum breaker generally using rubber buffer method solve separating brake bounce-back and
Overshoot can not meet the characteristic requirements of breaker, and many designing units and manufacturer in breaker by installing oily buffering additional
The method of device, reduces separating brake bounce-back and the overshoot amplitude of breaker, meets the characteristic requirements of breaker.Such as patent announcement number
The brake separating buffer device that a kind of pole-mounted circuit breaker use can be horizontally mounted is disclosed for CN205194613U.The intellectuality of current China is matched somebody with somebody
Using permanent magnetism and the ZW32-12 type outdoor high-voltage alternating-current vacuum breakers of spring dual-mechanism more than grid power system, do not changing
In the case of existing product volume, limited by space, the brake separating buffer device being horizontally mounted has no idea to realize, increases breaker
Volume solves separating brake bounce-back and overshooting problem, brings influence to the versatility of product and miniaturization, is not changing outside existing product
There is provided a kind of ZW32-12 type outdoor high-voltage alternating current vacuum available for permanent magnetism and spring dual-mechanism on the basis of shape physical dimension
Breaker splitting lock cushioning device is extremely urgent.
Utility model content
There is provided a kind of buffering of outdoor high-voltage alternating-current vacuum breaker dress in view of the shortcomings of the prior art for the utility model
Put, the device is using being slidably connected, and vertically arranged mode, simple in construction, small volume is not changing existing product contour structures
On the basis of, it can be directly mounted at the ZW32-12 types outdoor high-voltage alternating-current vacuum breaker of permanent magnetism and spring dual-mechanism or have same
On the breaker of sample requirement.
Specifically solved by the following technical programs:A kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker,
Including buffer unit, the buffer unit also includes motion converting member, and the motion converting member includes connector, described slow
Rush feature bottom to be fixed on the connector by thread connection, and use and be provided with rolling in the middle of nut check, the connector
Wheel, the connector and the roller are connected by rotating shaft, and are arranged in fixed support groove, and the rotating shaft is provided at both ends with axle
Elongated hole on set, the axle sleeve and the fixed support coordinates, and the roller end can be spacing, and the fixed support can be fixed on
On the breaker, a wedge is connected with the moving contact on the breaker, when the breaker open operation, the wedge shape
Inclined plane on block answers back to the roller, it is moved upwards, drives rotating shaft by the axle sleeve along along the fixed support
The elongated hole is slided, and then drives the connector to be moved vertically upwards with the rotating shaft, so drive the oil bumper to
Upper motion, is allowed to be compressed to play cushioning effect;When the breaker closing, the wedge is separated in the roller, institute
Oil bumper is stated to set back in the presence of its own resilient and self gravitation.
In above-mentioned technical proposal, it is preferred that the buffer unit is oil bumper.
In above-mentioned technical proposal, it is preferred that the fixed support both sides are provided with symmetrical elongated hole.
In above-mentioned technical proposal, it is preferred that the U-shaped structure of fixed support.
In above-mentioned technical proposal, it is preferred that the roller end is spacing by backing pin.
In above-mentioned technical proposal, it is preferred that the connector is circular configuration.
In above-mentioned technical proposal, it is preferred that the nut is with fluted round nut.
The utility model additionally provides in a kind of breaker, including circuit breaker case, the box of the circuit breaker body and is provided with drive
Lever and limited block, the driving boom end connect the wedge, and the drive rod and the moving contact on the breaker
Connection, the buffer unit is fixedly connected with circuit breaker case, and the limited block is arranged at the bottom of circuit breaker case, for positioning
The buffer unit, the wedge can hit the roller under the drive of drive rod in breaker open operation, make described slow
Rush part and compressed and play cushioning effect, in breaker closing, the roller is separated with described wedge.
In above-mentioned Circuit breaker technology scheme, it is preferred that the vertical drive of the axis of the buffer unit in the buffer unit
The direction of motion of lever.
The utility model compared with prior art, has the advantages that:The device is arranged vertically using being slidably connected
Mode, simple in construction, small volume on the basis of existing product contour structure size is not changed, can be directly mounted at permanent magnetism
With the ZW32-12 types outdoor high-voltage alternating-current vacuum breaker of spring dual-mechanism or have on the breaker also required that, be conducive to production
The versatility of product and miniaturization;Good buffer effect due to oil bumper than rubber buffer, after the device, breaker
Separating brake, which rebounds, meets the characteristic requirements of breaker with overshoot amplitude.
Brief description of the drawings
Fig. 1 be the utility model embodiment in buffer unit structural representation.
Fig. 2 be the utility model embodiment in buffer unit structural decomposition diagram.
Fig. 3 be the utility model embodiment in installation buffer unit breaker structural representation.
Fig. 4 is the breaker open operation positional structure schematic diagram in the utility model embodiment.
Fig. 5 is the breaker closing positional structure schematic diagram in the utility model embodiment.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:Referring to Fig. 1 and Fig. 2,
A kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker, including buffer unit and motion converting member, the buffer unit
For oil bumper 1, the motion converting member includes connector 2, and the bottom of oil bumper 1 is fixed on institute by thread connection
State on connector 2, and locked with nut 3, roller 4 is provided with the middle of the connector 2, the connector 2 and the roller 4 lead to
Cross rotating shaft 5 to connect, and be arranged in the groove of fixed support 6, the rotating shaft 5 is provided at both ends with axle sleeve 7, the axle sleeve 7 and described solid
Elongated hole on fixed rack 6 coordinates, and the end of rotating shaft 5 can be spacing, and the fixed support 6 can be fixed on the breaker, institute
State and a wedge 12 is connected with the moving contact on breaker, when the breaker open operation, the inclination on the wedge 12
The roller 4 is answered back in face, it is moved upwards, drives rotating shaft 5 by the axle sleeve 7 along the length on the fixed support 6
Hole is slided, and then drives the connector 2 to be moved vertically upwards with the rotating shaft 5, and then drives the oil bumper 1 to transport upwards
It is dynamic, it is allowed to be compressed to play cushioning effect;When the breaker closing, the wedge 12 is separated in the roller, described
Oil bumper 1 sets back in the presence of its own resilient and self gravitation.
The oil bumper 1 is arranged in vertical, the U-shaped structure of the fixed support 6, and its both sides is provided with symmetrically
Elongated hole, the end of rotating shaft 5 is spacing by backing pin 8, and the connector 2 is circular configuration, and the nut 3 is with fluted circle
Nut.
Referring to Fig. 3 to Fig. 5, a kind of breaker, including circuit breaker case 9 is provided with drive rod in the circuit breaker case 9
10 and limited block 11, the end of drive rod 10 connects the wedge 12, and the drive rod 10 with the breaker
Moving contact is connected, and the buffer unit is fixedly connected with circuit breaker case 9, and the limited block 11 is arranged at the bottom of circuit breaker case 9
Portion, for positioning the buffer unit, the wedge 12 can hit institute under the drive of drive rod 10 in breaker open operation
Roller 4 is stated, the buffer unit is compressed and plays cushioning effect, in breaker closing, the roller 4 and described wedge shape
Block 12 is separated.
In above-mentioned Circuit breaker technology scheme, it is preferred that the vertical drive of the axis of the buffer unit in the buffer unit
The direction of motion of lever 10.
The utility model is described in detail above, but the utility model be not limited to it is described herein specific
Embodiment.It will be appreciated by those skilled in the art that in the case of without departing substantially from the utility model scope, can make other changes and
Deformation.Protection domain of the present utility model is defined by the following claims.
Claims (9)
1. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker, including buffer unit, it is characterised in that the buffering dress
Putting also includes motion converting member, and the motion converting member includes connector(2), the buffer unit bottom is joined by screw thread
Connect and be fixed on the connector(2)On, and use nut(3)Locking, the connector(2)Centre is provided with roller(4), the company
Joint(2)With the roller(4)Pass through rotating shaft(5)Connection, and it is arranged on fixed support(6)In groove, the rotating shaft(5)Two ends are set
It is equipped with axle sleeve(7), the axle sleeve(7)With the fixed support(6)On elongated hole coordinate, the rotating shaft(5)End can be spacing, institute
State fixed support(6)It can be fixed on the breaker, a wedge is connected with the moving contact on the breaker(12), when
During the breaker open operation, the wedge(12)On inclined plane answer back to the roller(4), it is moved upwards, drive and turn
Axle(5)Pass through the axle sleeve(7)Along the fixed support(6)On the elongated hole slide, and then drive the connector(2)With
The rotating shaft(5)Vertical movement upwards, and then drive the oil bumper(1)Motion upwards, is allowed to be compressed and plays buffering work
With;When the breaker closing, the wedge(12)In roller separation, the oil bumper(1)In its own resilient
And set back in the presence of self gravitation.
2. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker according to claim 1, it is characterised in that:It is described slow
Part is rushed for oil bumper(1).
3. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker as claimed in claim 2, it is characterised in that:It is described solid
Fixed rack(6)Both sides are provided with symmetrical elongated hole.
4. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker as claimed in claim 2, it is characterised in that:It is described solid
Fixed rack(6)U-shaped structure.
5. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker as claimed in claim 2, it is characterised in that:Described turn
Axle(5)End passes through backing pin(8)It is spacing.
6. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker as claimed in claim 2, it is characterised in that:The company
Joint(2)For circular configuration.
7. a kind of buffer unit of outdoor high-voltage alternating-current vacuum breaker as claimed in claim 2, it is characterised in that:The spiral shell
It is female(3)For with fluted round nut.
8. a kind of breaker of the buffer unit with as described in claim 1-7 any one, it is characterised in that:Including open circuit
Device casing(9), the circuit breaker case(9)Inside it is provided with drive rod(10)And limited block(11), the drive rod(10)End
Connect the wedge(12), and the drive rod(10)It is connected with the moving contact on the breaker, the buffer unit is consolidated
Surely circuit breaker case is connected(9), the limited block(11)It is arranged at circuit breaker case(9)Bottom, for positioning the buffering
Part, the wedge(12)Can be in drive rod(10)Drive under the roller is hit in breaker open operation(4), make described
Buffer unit, which is compressed, plays cushioning effect, in breaker closing, the roller(4)With described wedge(12)Separation.
9. breaker according to claim 8, it is characterised in that the vertical institute of axis of the buffer unit in the buffer unit
State drive rod(10)The direction of motion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720048164.0U CN206460902U (en) | 2017-01-17 | 2017-01-17 | The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720048164.0U CN206460902U (en) | 2017-01-17 | 2017-01-17 | The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206460902U true CN206460902U (en) | 2017-09-01 |
Family
ID=59696141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720048164.0U Expired - Fee Related CN206460902U (en) | 2017-01-17 | 2017-01-17 | The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206460902U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113903631A (en) * | 2021-10-15 | 2022-01-07 | 南京海兴电网技术有限公司 | Strut type outdoor circuit breaker |
-
2017
- 2017-01-17 CN CN201720048164.0U patent/CN206460902U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113903631A (en) * | 2021-10-15 | 2022-01-07 | 南京海兴电网技术有限公司 | Strut type outdoor circuit breaker |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203966962U (en) | A kind of laborsaving minute brake structure of vacuum circuit-breaker | |
CN201893269U (en) | High-voltage disconnector contact component | |
CN102280304A (en) | Moving contact assembly and intelligent electromagnetic isolation driving switch applying same | |
CN111627749A (en) | Bistable spring retaining device with buffering function for electromagnetic repulsion mechanism and method | |
CN107230563A (en) | Speed-sensitive switch | |
CN206460902U (en) | The buffer unit and its breaker of a kind of outdoor high-voltage alternating-current vacuum breaker | |
CN203119379U (en) | Vacuum circuit breaker device for insulated metal enclosed switch apparatus | |
CN109036941A (en) | A kind of isolation fracture structure | |
CN207587618U (en) | The switching off/on device of vacuum circuit breaker | |
CN102420073A (en) | Bidirectional load insulating draw bar | |
CN202018908U (en) | Novel directly-operated isolating switch | |
CN203423121U (en) | High-voltage vacuum circuit breaker closing and opening device | |
CN204424142U (en) | Railway outdoor high-voltage alternating current isolating switch | |
CN202094043U (en) | Moving contact assembly and electromagnetic isolation driving intelligent switch using same | |
CN202711964U (en) | Electrical switch and moving contact used by same | |
CN202772036U (en) | Vacuum circuit breaker | |
CN201663095U (en) | Vacuum circuit breaker for railway electrification | |
CN201576608U (en) | Conductive switch blade device of high voltage isolation switch | |
CN204857564U (en) | Horizontal circuit breaker with permanent magnetic mechanism | |
CN103489704A (en) | Operating device for vacuum circuit breaker | |
CN206524273U (en) | Microswitch | |
CN201751971U (en) | New structure of transmission shaft of high voltage circuit breaker mechanism | |
CN112563051A (en) | Gas buffering device for high-speed repulsion mechanism | |
CN108231482B (en) | impact-resistant relay | |
CN101340068B (en) | Shutter mechanism of switch cabinet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 |
|
CF01 | Termination of patent right due to non-payment of annual fee |