CN206098270U - Outdoor high voltage vacuum circuit breaker - Google Patents
Outdoor high voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN206098270U CN206098270U CN201620934136.4U CN201620934136U CN206098270U CN 206098270 U CN206098270 U CN 206098270U CN 201620934136 U CN201620934136 U CN 201620934136U CN 206098270 U CN206098270 U CN 206098270U
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- vacuum interrupter
- cylinder
- vacuum
- fastening block
- contact
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Abstract
The utility model discloses an outdoor high voltage vacuum circuit breaker, including barrel and apron, be equipped with vacuum interrupter in the barrel, vacuum interrupter's top is arranged in to the fastening block, install hollow round platform on the external circumferential wall of fastening block, open on the inner wall of barrel upper end have with hollow round platform matched with draw -in groove, vacuum interrupter is connected with the fastening block, be equipped with the supporting shoe on the cylinder bottom inner wall, the limiting plate is fixed on the supporting shoe, be connected with inside hollow guide post and ejector pin respectively at vacuum interrupter both ends, install the rubber ball in the upper end of ejector pin, rubber ball up end and the contact of apron inner wall, it has the through -hole to open in the middle part of the limiting plate, the through -hole is run through in proper order to insulating pull rod upper end, movable contact pole with vacuum interrupter behind the guide post contacts. When breaking down, only need open the apron, utilize the clearance fit between hollow round platform and the draw -in groove, can take out fixed block and vacuum interrupter in the lump, abandon the complicated installation disassembly step of traditional circuit breaker, greatly reduced staff's intensity of labour.
Description
Technical field
This utility model is related to vacuum circuit breaker technical field, specifically refers to a kind of outdoor high-voltage vacuum breaker.
Background technology
On a kind of outdoor high-voltage vacuum breaker of the prior art, vacuum interrupter typically passes through upper bracket and lower carriage
In insulating sleeve.This mounting structure and mounting means, as the installation site of lower carriage itself needs other parts
It is to fix so that vacuum interrupter after insulating sleeve inside is installed to, easily rock by lower end, true to a kind of whole outdoor high-voltage
The normal work of empty chopper has a great impact, and the installation process operation of vacuum interrupter of the prior art is more multiple
It is miscellaneous, break down complex when changing, affect a kind of work efficiency of outdoor high-voltage vacuum breaker.
Utility model content
The purpose of this utility model is to provide a kind of outdoor high-voltage vacuum breaker, it is to avoid vacuum interrupter occurs to shake
It is dynamic, effectively improve mounting stability of the vacuum interrupter in cylinder.
The purpose of this utility model is achieved through the following technical solutions：
A kind of outdoor high-voltage vacuum breaker, including single injection-molded cylinder and with cylinder upper end screw thread coordinate
Cover plate, be provided with vacuum interrupter in the cylinder, circular fastening block is placed in the top of vacuum interrupter, and in fastening block
Outer circle wall on resilient hollow round table is installed, the draw-in groove being engaged with hollow round table is provided with the inwall of cylinder upper end,
The vacuum interrupter upper surface is connected with fastening block by bolt, and the cylinder lower end inner wall is provided with support block, limiting plate
Being fixed in support block, the lead column and push rod of inner hollow being connected at the vacuum interrupter two ends, institute's push rod is passed through
Upwardly extend after wearing in the middle part of fastening block, and ball is installed in the upper end of push rod, the ball is connect with the cover plate inwall
Touch, be provided with through hole in the middle part of the limiting plate, insulated tension pole upper end sequentially pass through after the through hole, lead column with vacuum interrupter
Movable feeler lever contact, coaxial stationary contact bar and movable feeler lever are provided with the vacuum extinction room, static contact is provided with stationary contact bar lower end,
The moving contact coordinated with static contact is provided with movable feeler lever upper end, and static contact is the horizontal magnetic of helicla flute, insulated tension pole with moving contact
Upper end is connected with movable feeler lever after sequentially passing through the through hole, lead column and vacuum interrupter lower end.
During use, cover plate is threaded connection to realize the sealing on vacuum interrupter top, in cylinder with cylinder upper end
Portion is provided with support block, and limiting plate is fixed in support block, to realize sealing to vacuum interrupter bottom, i.e., goes out ensureing vacuum
On the premise of arc chamber normal work, the dust-proof grade of vacuum interrupter in cylinder is reached.Fastening block is provided with cylinder upper end simultaneously,
And resilient hollow round table is set on the outer circle wall of fastening block, the draw-in groove phase interworking that hollow round table is started with cylinder inboard wall
Close, and push rod is provided with the ball contacted with cover plate inwall through the middle part of fastening block in push rod upper end, and vacuum extinction
The upper end of room is connected with fastening block, i.e., contacted using the mutual support between ball and cover plate so that vacuum interrupter it is upper
Portion is stably fixed；And in the middle part of cylinder, the limiting plate in support block provides support for vacuum interrupter, and then ensure that vacuum is gone out
The entirety of arc chamber is in cylinder by stable holding, it is to avoid vacuum interrupter shakes, and effectively improves vacuum interrupter in cylinder
Interior mounting stability.Wherein, break down need to change vacuum interrupter when, only need to open cover plate, using hollow round table
Fixed block and vacuum interrupter can be taken out by clearance fit between draw-in groove in the lump, abandon traditional chopper complicated
Installing/dismounting step, greatly reduce the labor intensity of staff.Further, touched as dynamic from the horizontal magnetic of helicla flute
Head, static contact, in disjunction short circuit current, can result from the magnetic field of electrode axis perpendicular, between its electrode enough
In the presence of transverse magnetic field, vacuum arc is along the surface of contact constantly high-speed motion, and then avoids seriously melting for contact surface
Change, after current over-zero can convalescent period dielectric strength rapidly, while being conducive to arc extinction, greatly reduce to moving contact
And the loss of static contact, reduce the replacement frequency to vacuum interrupter, and extend the service life of chopper.
Upper end wire outlet seat and lower end wire outlet seat are respectively equipped with the side wall of the cylinder.There is seat with in the upper end of setting
Hold wire outlet seat facilitate and enter row conductor connection to the stationary contact bar in vacuum extinction room, movable feeler lever, while in upper end wire outlet seat with
Using the higher wire outlet seat of classification of waterproof on the wire outlet seat of end, and then improve the waterproof in inner barrel, particularly vacuum extinction room
Dust-proof effect.
Elastic sheet metal is provided with the inwall of the cylinder, and the end of the elastic sheet metal is upper with insulated tension pole
End connection.When moving contact in vacuum interrupter is separated with static contact, movable feeler lever can drive insulated tension pole to move down, and work as vacuum electric
Arc disappear when, the back-moving spring on elastic sheet metal coordinated insulation pull bar together to insulated tension pole and movable feeler lever generation effect,
So that insulated tension pole and movable feeler lever Rapid reset.
This utility model compared with prior art, has the following advantages and advantages：
1st, this utility model break down need to change vacuum interrupter when, only need to open cover plate, using hollow round table
Fixed block and vacuum interrupter can be taken out by clearance fit between draw-in groove in the lump, abandon traditional chopper complicated
Installing/dismounting step, greatly reduce the labor intensity of staff；
2nd, when moving contact of this utility model in vacuum interrupter is separated with static contact, movable feeler lever can drive insulated tension pole
Move down, when vacuum arc disappears, the back-moving spring on elastic sheet metal coordinated insulation pull bar to insulated tension pole and is moved together
Feeler lever generation effect so that insulated tension pole and movable feeler lever Rapid reset；
3rd, this utility model is provided with through hole in the middle part of ball so that vacuum interrupter moving contact separate with static contact or
When the applied stress produced when being contact again is transferred at cover plate, ball is by the deformation of itself and replys produced by deformation
Elastic force the applied stress is eliminated, and make ball have certain deformation empty in the middle part of which when compressed in opening up for through hole
Between, to avoid the mutually caused internal stress of extruding inside ball from concentrating, reduce the extent of deterioration of ball, prolonged with reaching
The purpose of long ball service life and reduction chopper frequency of maintenance.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding this utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to this utility model embodiment.In the accompanying drawings：
Fig. 1 is this utility model structural representation；
Fig. 2 is the structural representation of static contact and moving contact.
Labelling and corresponding parts title in accompanying drawing：
1- cylinders, 2- vacuum interrupters, 21- stationary contact bars, 22- static contacts, 23- moving contacts, 24- movable feeler levers, 3- elasticity gold
Category piece, 4- lead columns, 5- limiting plates, 6- support blocks, 7- insulated tension poles, 8- fastening blocks, 9- cover plates, 10- push rods, 11- ball,
12- upper ends wire outlet seat, 13- lower ends wire outlet seat.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as to restriction of the present utility model.
Embodiment 1
As shown in Figure 1 and 2, the present embodiment is included the cylinder 1 of single injection-molded and is coordinated with 1 upper end screw thread of cylinder
Cover plate 9, be provided with vacuum interrupter 2 in the cylinder 1, circular fastening block 8 is placed in the top of vacuum interrupter 2, and
Resilient hollow round table is installed on the outer circle wall of fastening block 8, is provided with 1 upper end inwall of cylinder and is engaged with hollow round table
Draw-in groove, 2 upper surface of the vacuum interrupter is connected with fastening block 8 by bolt, and 1 lower end inner wall of the cylinder is provided with support
Block 6, limiting plate 5 are fixed in support block 6, are connected to 4 He of lead column of inner hollow at 2 two ends of the vacuum interrupter
Push rod 10, institute's push rod 10 are upwardly extended after running through in the middle part of fastening block 8, and are provided with ball 11 in the upper end of push rod 10, described
Ball 11 is contacted with 9 inwall of the cover plate, and through hole is provided with the middle part of the limiting plate 5, and 7 upper end of insulated tension pole sequentially passes through institute
Contact with the movable feeler lever of vacuum interrupter 2 after stating through hole, lead column 4, in the vacuum interrupter 2, be provided with coaxial stationary contact bar 21
With movable feeler lever 24, static contact 22 is provided with 21 lower end of stationary contact bar, be provided with dynamic tactile with what static contact 22 coordinated in 22 upper end of movable feeler lever
23, and static contact 22 is the horizontal magnetic of helicla flute with moving contact 23,7 upper end of insulated tension pole sequentially passes through the through hole, lead column 4
And be connected with movable feeler lever 24 behind 2 lower end of vacuum interrupter.
During use, cover plate 9 is threaded connection to realize the sealing on 2 top of vacuum interrupter, in cylinder with 1 upper end of cylinder
Support block 6 is provided with the middle part of in the of 1, limiting plate 5 is fixed in support block 6, to realize the sealing to 2 bottom of vacuum interrupter, that is, is being protected
On the premise of card 2 normal work of vacuum interrupter, the dust-proof grade of vacuum interrupter 2 in cylinder 1 is reached.Simultaneously on cylinder 1
End is provided with fastening block 8, and resilient hollow round table is set on the outer circle wall of fastening block 8, and hollow round table is opened with 1 inwall of cylinder
The draw-in groove of beginning cooperates, and push rod 10 is provided with 10 upper end of push rod and is connect with 9 inwall of cover plate through the middle part of fastening block 8
Tactile ball 11, and the upper end of vacuum interrupter 2 is connected with fastening block 8, i.e., using mutual between ball 11 and cover plate 9
Support contact so that the top of vacuum interrupter 2 is stably fixed；And in the middle part of cylinder 1, the limiting plate 5 in support block 6 is true
Empty arc-chutes 2 provide support, and then ensure the overall interior by stable holding in cylinder 1 of vacuum interrupter 2, it is to avoid vacuum interrupter
2 shake, and effectively improve mounting stability of the vacuum interrupter 2 in cylinder 1.Wherein, change true in the needs that break down
During empty arc-chutes 2, cover plate 9 need to be opened only, using the clearance fit between hollow round table and draw-in groove, can be by fixed block and vacuum
Arc-chutes 2 are taken out in the lump, have been abandoned the complicated installing/dismounting step of traditional chopper, have been greatly reduced the work of staff
Intensity.
Further, from the horizontal magnetic of helicla flute as moving contact 23, static contact 22, can be in disjunction short circuit current, can be
The magnetic field of electrode axis perpendicular is resulted between its electrode, in the presence of enough transverse magnetic fields, vacuum arc is along contact
Surface constantly high-speed motion, and then the serious thawing of contact surface is avoided, being capable of convalescent period insulation rapidly after current over-zero
Intensity, while being conducive to arc extinction, greatly reduces the loss to moving contact 23 and static contact 22, and reduction is gone out to vacuum
The replacement frequency of arc chamber, and extend the service life of chopper.
Upper end wire outlet seat 12 and lower end wire outlet seat 13 are respectively equipped with the side wall of the cylinder 1.The upper end of setting occurs
Seat can facilitate the stationary contact bar in vacuum interrupter 2, movable feeler lever are entered row conductor and be connected with lower end wire outlet seat 13, while bringing out upper
Using the wire outlet seat that classification of waterproof is higher on line seat 12 and lower end wire outlet seat 13, and then improve inside cylinder 1, particularly vacuum is gone out
Water proof and dust proof effect in arc chamber 2.
Elastic sheet metal 3, and the end of the elastic sheet metal 3 and insulated tension pole 7 are provided with the inwall of the cylinder 1
Upper end connection.When moving contact in vacuum interrupter 2 is separated with static contact, movable feeler lever can drive insulated tension pole 7 to move down, when
When vacuum arc disappears, the back-moving spring on 3 coordinated insulation pull bar 7 of elastic sheet metal is together to insulated tension pole 7 and movable feeler lever
Generation is acted on so that insulated tension pole 7 and movable feeler lever Rapid reset.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that to the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equivalent are replaced
Change, improve, should be included within protection domain of the present utility model.
Claims (1)
1. a kind of cylinder (1) of outdoor high-voltage vacuum breaker, including single injection-molded and with cylinder (1) upper end screw thread
The cover plate (9) of cooperation, it is characterised in that：Vacuum interrupter (2) is provided with the cylinder (1), circular fastening block (8) is placed in
The top of vacuum interrupter (2), and resilient hollow round table is installed on the outer circle wall of fastening block (8), on cylinder (1)
The draw-in groove being engaged with hollow round table is provided with the inwall of end, vacuum interrupter (2) upper surface is by bolt and fastening block (8)
Connection, cylinder (1) lower end inner wall are provided with support block (6), and limiting plate (5) is fixed in support block (6), in the vacuum
Arc-chutes (2) two ends are connected to the lead column (4) and push rod (10) of inner hollow, and the push rod (10) is through fastening block
(8) upwardly extend after in the middle part of, and ball (11), the ball (11) and the cover plate are installed in the upper end of push rod (10)
(9) inwall contact, is provided with the middle part of the limiting plate (5) in through hole, the vacuum interrupter (2) and is provided with coaxial stationary contact bar
(21) with movable feeler lever (24), static contact (22) is provided with stationary contact bar (21) lower end, is provided with and static contact in movable feeler lever (22) upper end
(22) moving contact (23) for coordinating, and static contact (22) and moving contact (23) are the horizontal magnetic of helicla flute, insulated tension pole (7) upper end according to
It is secondary to be connected with movable feeler lever (24) behind the through hole, lead column (4) and vacuum interrupter (2) lower end；In the cylinder (1)
Side wall on be respectively equipped with upper end wire outlet seat (12) and lower end wire outlet seat (13), be provided with elasticity on the inwall of the cylinder (1)
Sheet metal (3), and the end of the elastic sheet metal (3) is connected with the upper end of insulated tension pole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934136.4U CN206098270U (en) | 2016-08-25 | 2016-08-25 | Outdoor high voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934136.4U CN206098270U (en) | 2016-08-25 | 2016-08-25 | Outdoor high voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098270U true CN206098270U (en) | 2017-04-12 |
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ID=58468970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620934136.4U Active CN206098270U (en) | 2016-08-25 | 2016-08-25 | Outdoor high voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206098270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828227A (en) * | 2019-10-12 | 2020-02-21 | 保定市冀中电力设备有限责任公司 | Full-working-condition intelligent solid-sealed high-voltage alternating-current vacuum circuit breaker |
| CN112420441A (en) * | 2020-11-11 | 2021-02-26 | 华翔翔能科技股份有限公司 | Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker |
-
2016
- 2016-08-25 CN CN201620934136.4U patent/CN206098270U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828227A (en) * | 2019-10-12 | 2020-02-21 | 保定市冀中电力设备有限责任公司 | Full-working-condition intelligent solid-sealed high-voltage alternating-current vacuum circuit breaker |
| CN110828227B (en) * | 2019-10-12 | 2022-08-19 | 河北承捷电力设备制造有限公司 | All-condition intelligent solid-sealed high-voltage AC vacuum circuit breaker |
| CN112420441A (en) * | 2020-11-11 | 2021-02-26 | 华翔翔能科技股份有限公司 | Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker |
| CN112420441B (en) * | 2020-11-11 | 2023-01-31 | 华翔翔能科技股份有限公司 | Disassembly-free mechanism assembly device of outdoor vacuum circuit breaker |
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