CN206921747U - A kind of vacuum circuit breaker of complete set of equipments - Google Patents
A kind of vacuum circuit breaker of complete set of equipments Download PDFInfo
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- CN206921747U CN206921747U CN201720891393.9U CN201720891393U CN206921747U CN 206921747 U CN206921747 U CN 206921747U CN 201720891393 U CN201720891393 U CN 201720891393U CN 206921747 U CN206921747 U CN 206921747U
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- contact
- arc
- chutes
- polishing
- sliding block
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Abstract
The utility model belongs to complete high-tension apparatus technical field, discloses a kind of vacuum circuit breaker of complete set of equipments, for solving the problems, such as that existing vacuum circuit breaker occurs electric conductivity decline because of corrosion.The utility model includes basement, arc-chutes and outlet room, the basement and outlet room are connected to the both sides of arc-chutes, first contact and the second contact are installed in the arc-chutes, it is characterized in that, first contact is provided with traction wheel, multiple rollers are installed in the arc-chutes, the pull rope being connected on traction wheel sequentially passes through roller and is fixedly connected with the second contact, back-moving spring is provided between the end of second contact and arc-chutes, the sanding apparatus for being polished the first contact and the second contact is additionally provided with the arc-chutes.
Description
Technical field
The utility model belongs to complete high-voltage equipment box technical field, and in particular to a kind of vacuum circuit breaker of complete set of equipments
Device.
Background technology
Complete high-tension apparatus (high voltage power distributing cabinet) refer to voltage 3kV and more than, frequency 50Hz and following power system
The indoor and outdoor AC switchgear of middle operation.It is mainly used in power system (including power plant, transformer station, electric line
With the user such as industrial and mining enterprises) control and protection, can both need to put into a part of power equipment or circuit according to operation of power networks
Or it is out of service, also faulty component can quickly be cut off from power network in power equipment or line failure, so as to ensure electricity
The normal operation of no failure part and equipment, the safety of operating maintenance personnel in net.Therefore, high pressure complete set of equipments is extremely important
Equipment for power transmission and distribution, its safe and reliable operation is of great significance to safely, effectively operation of power system tool.
And as very important vacuum circuit breaker in complete high-tension apparatus because of contact gap after its arc-extinguishing medium and arc extinguishing
Dielectric be all high vacuum and gain the name, its have small volume, it is in light weight, do not have to maintenance suitable for frequent operation, arc extinguishing
Advantage, apply in power distribution network and more popularize.
Vacuum circuit breaker of the prior art, mostly by moving contact, static contact and moving contact is driven to move together
Action bars is set in an arc-chutes together, and arc extinguishing gases are then filled with whole arc-chutes.Such as Application No.
201620395287.7 patent discloses a kind of vacuum circuit breaker, including conductive pole column, the operation machine for being provided with operating mechanism
Structure case, propulsive mechanism and cart frame, wherein, conductive pole column is arranged in operating mechanism box, and propulsive mechanism is arranged on handcart frame
Top inside frame, operating mechanism box can be combined formula installation with installing the cart frame of propulsive mechanism, be dragged into mechanism reality
Now the position of vacuum circuit breaker is controlled, operating mechanism box is L-shaped, and conductive pole column is arranged on the L bottom plates of operating mechanism box；Also
Including upper sealing plate, on the L vertical edges of operating mechanism box, and the front of conductive pole column.
Although existing vacuum circuit breaker carries out vacuumize process, the sulfur hexafluoride arc-extinguishing medium of filling is in high temperature
Under the influence of, sulfur hexafluoride gas can be decomposed, and become aggressive electrolyte after analyte rainwater, especially some high toxicities point
Solve thing, such as SF4, S2F2, SOF2, HF, SO2.These corrosivity can corrode to contact, so as to influence the electric conductivity of contact
Energy.
Utility model content
The utility model provides to solve the problems, such as that existing vacuum circuit breaker occurs electric conductivity decline because of corrosion
A kind of vacuum circuit breaker of complete set of equipments, automatically grinding can be carried out to contact, get rid of the corrosive medium of contact surface, so as to
Improve the electric conductivity of contact.
To solve technical problem, technical scheme is used by the utility model：
A kind of vacuum circuit breaker of complete set of equipments, including basement, arc-chutes and outlet room, the basement and outlet room
The both sides of arc-chutes are connected to, the first contact and the second contact are installed in the arc-chutes, it is characterised in that described first touches
Head is provided with traction wheel, multiple rollers is provided with the arc-chutes, the pull rope being connected on traction wheel sequentially passes through roller
It is fixedly connected with the second contact, back-moving spring is provided between the end of the second contact and arc-chutes, is also set in the arc-chutes
It is equipped with the sanding apparatus for being polished the first contact and the second contact.
The sanding apparatus is arranged in the arc-chutes between the first contact and the second contact.
The sanding apparatus includes upper hopper chute and gliding groove, and top shoe is provided with the upper hopper chute, is set in gliding groove
There is sliding block, the first extrusion spring is provided between top shoe and upper hopper chute, second is provided between sliding block and gliding groove and is squeezed
Pressing spring；The lower end of top shoe and the upper end of sliding block are provided with for the first polishing portion polished the first contact and use
In the second polishing portion polished the second contact, the first polishing portion and the second polishing portion are located at both sides respectively.
The first polishing portion includes the corresponding arc diversion section and arc being arranged on top shoe and sliding block respectively
To polish section, arc diversion section and arc polishing section on top shoe and sliding block form the polishing chamber for the first contact of polishing,
The width of chamber of polishing is gradually reduced within outer, and the surface for chamber of polishing is equipped with frosted stratum granulosum.
The second polishing portion includes being opened in groove on top shoe and sliding block respectively, on top shoe and sliding block
Groove forms the annular groove for accommodating the second contact, and prominent spheroid, the appearance of the spheroid are provided with annular groove
Face is provided with the wire brush for the second contact recessed position of polishing.
The top shoe and sliding block are made by insulating materials.
Compared with prior art, the utility model has the advantages that：
The vacuum circuit breaker of complete set of equipments provided by the utility model in use, when the first contact the external world behaviour
Make in the presence of mechanism towards when the motion of the second contact, the traction wheel on the first contact follow the first contact move together from
And driving pull rope to move, pull rope drives the second contact to be moved towards the first contact during motion, when the first contact
When being moved out in the presence of the operation structure of outside, pull rope is in relaxed state, and the second contact is in back-moving spring
In the presence of reset.When the first contact and the second contact move toward one another, simultaneously to first in the presence of sanding apparatus
Contact and the second contact are polished, so as to eliminate the corrosive medium of the first contact and the second contact surface, so as to improve contact
Electric conductivity.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Marked in figure：1st, arc-chutes, the 2, first contact, the 3, second contact, 4, traction wheel, 5, roller, 6, pull rope, 7, multiple
Position spring, 8, gliding groove, 9, sliding block, the 10, second extrusion spring, 11, arc diversion section, 12, arc polishing section, 13, polishing
Chamber, 14, upper hopper chute, 15, top shoe, the 16, first extrusion spring, 17, groove, 18, spheroid, 19, basement, 20, outlet room.
Embodiment
With reference to embodiment, the utility model will be further described, and described embodiment is only that this practicality is new
Type part of the embodiment, it is not whole embodiments.Based on the embodiment in the utility model, the ordinary skill people of this area
Other embodiments used that member is obtained under the premise of creative work is not made, belong to protection model of the present utility model
Enclose.
With reference to accompanying drawing, the vacuum circuit breaker of complete set of equipments provided by the utility model, including basement 19, the and of arc-chutes 1
Outlet room 20, the basement 19 and outlet room 20 are connected to the both sides of arc-chutes 1, are set in the arc-chutes 1 and are provided with the
One contact 2 and the second contact 3, wherein, the first contact drives motion by the operating mechanism of outside, and first contact 2 is provided with
Traction wheel 4, multiple rollers 5 are installed in the arc-chutes 1, the pull rope 6 being connected on traction wheel 4 sequentially pass through roller 5 with
Second contact 3 is fixedly connected, and back-moving spring 7 is provided between the end of the second contact 3 and arc-chutes 1, is gone back in the arc-chutes 1
It is provided with the sanding apparatus for being polished the first contact 2 and the second contact 3.Complete set of equipments provided by the utility model
Vacuum circuit breaker in use, when the first contact the external world operating mechanism in the presence of towards second touch it is cephalomotor when
Wait, the traction wheel on the first contact follows the first contact to move together so as to drive pull rope to move, mistake of the pull rope in motion
Drive the second contact to be moved towards the first contact in journey, moved out in the presence of operation structure of first contact in outside
When, pull rope is in relaxed state, and the second contact resets in the presence of back-moving spring.When the first contact and the second contact phase
To when motion, the first contact and the second contact are polished simultaneously in the presence of sanding apparatus, so as to eliminate first
The corrosive medium of contact and the second contact surface, so as to improve the electric conductivity of contact.
Wherein, sanding apparatus of the present utility model is arranged in the arc-chutes between the first contact 2 and the second contact 3, just
The first contact and the second contact are polished in simultaneously.
As a kind of preferable mode of the utility model, the sanding apparatus includes upper hopper chute 14 and gliding groove 8, it is described on
Top shoe 15 is provided with chute 14, sliding block 9 is provided with gliding groove 8, is provided between top shoe 15 and upper hopper chute 14
One extrusion spring 16, the second extrusion spring 10 is provided between sliding block 9 and gliding groove 9；The lower end of top shoe 15 and sliding block 9
Upper end be provided with the first polishing portion for being polished the first contact 2 and for being polished the second contact 3
Two polishing portions, the first polishing portion and the second polishing portion are located at both sides respectively.
The first polishing portion includes the corresponding He of arc diversion section 11 being arranged on top shoe 15 and sliding block 9 respectively
Arc is polished section 12, and arc diversion section 11 and arc polishing section 12 on top shoe 15 and sliding block 9 are formed for polishing first
The polishing chamber 13 of contact 2, the width of chamber 13 of polishing are gradually reduced within outer, and the surface of polishing chamber 13 is equipped with frosted particle
Layer, is polished the corrosive medium of the first contact surface by frosted stratum granulosum.
The second polishing portion includes the groove 17 being opened in respectively on top shoe 15 and sliding block 9, and top shoe 15 is with
Groove 17 on sliding block 9 forms the annular groove for accommodating the second contact 3, and prominent spheroid 18 is provided with annular groove,
Wherein spheroid is made up of two hemispheres, and two hemispheres are separately positioned on top shoe and glided on soon；Outside the spheroid 15
Surface is provided with the wire brush for the recessed position of the second contact 3 of polishing.
As a kind of preferable mode of the utility model, the top shoe 15 and sliding block 9 are made by insulating materials.
When can only be by the first contact and the second contact so as to the conduction ensured between the first contact and the second contact, without
Transmitted by sanding apparatus.
In use, through hole controls the length of pull rope or the position of sanding apparatus to sanding apparatus of the present utility model
Put, allow spheroid and the recess of the second contact to contact first, then the first contact, which drives, enters polishing chamber, and top shoe and downslide are fast
Moved up and down respectively under the squeezing action of the first contact so that top shoe and fast mutually isolated, completion first of gliding
Contact contact with the second contact.
As a kind of preferable mode of the utility model, the limit for limiting top shoe initial position is provided with upper hopper chute
Position baffle plate, so as to prevent top shoe from falling.
Claims (6)
1. a kind of vacuum circuit breaker of complete set of equipments, including basement, arc-chutes and outlet room, the basement and outlet room connect
The both sides of arc-chutes are connected on, the first contact and the second contact are installed in the arc-chutes, it is characterised in that first contact
Traction wheel is installed, multiple rollers are installed in the arc-chutes, the pull rope being connected on traction wheel sequentially pass through roller with
Second contact is fixedly connected, and back-moving spring is provided between the end of the second contact and arc-chutes, is also set up in the arc-chutes
There is the sanding apparatus for being polished the first contact and the second contact.
2. the vacuum circuit breaker of complete set of equipments according to claim 1, it is characterised in that the sanding apparatus is arranged on
In arc-chutes between one contact and the second contact.
3. the vacuum circuit breaker of complete set of equipments according to claim 2, it is characterised in that the sanding apparatus includes upper cunning
Groove and gliding groove, top shoe is provided with the upper hopper chute, sliding block is provided with gliding groove, is set between top shoe and upper hopper chute
The first extrusion spring is equipped with, the second extrusion spring is provided between sliding block and gliding groove；The lower end of top shoe and sliding block
Upper end is provided with for the first polishing portion polished the first contact and second for being polished the second contact dozen
Mill portion, the first polishing portion and the second polishing portion are located at both sides respectively.
4. the vacuum circuit breaker of complete set of equipments according to claim 3, it is characterised in that the first polishing portion includes dividing
Not corresponding the arc diversion section being arranged on top shoe and sliding block and arc are polished section, the arc on top shoe and sliding block
Diversion section and arc polishing section form the polishing chamber for the first contact of polishing, and the width of chamber of polishing is gradually reduced within outer,
The surface of polishing chamber is equipped with frosted stratum granulosum.
5. the vacuum circuit breaker of complete set of equipments according to claim 3, it is characterised in that the second polishing portion includes dividing
The groove not being opened on top shoe and sliding block, the groove on top shoe and sliding block form the ring for accommodating the second contact
Connected in star, prominent spheroid is provided with annular groove, and the outer surface of the spheroid is provided with for the second contact depression of polishing
The wire brush of position.
6. the vacuum circuit breaker of the complete set of equipments according to any one of claim 3-5, it is characterised in that the top shoe
It is made with sliding block by insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720891393.9U CN206921747U (en) | 2017-07-21 | 2017-07-21 | A kind of vacuum circuit breaker of complete set of equipments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720891393.9U CN206921747U (en) | 2017-07-21 | 2017-07-21 | A kind of vacuum circuit breaker of complete set of equipments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206921747U true CN206921747U (en) | 2018-01-23 |
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ID=61346893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720891393.9U Active CN206921747U (en) | 2017-07-21 | 2017-07-21 | A kind of vacuum circuit breaker of complete set of equipments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206921747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554540A (en) * | 2020-06-23 | 2020-08-18 | 广东电网有限责任公司东莞供电局 | Vacuum arc-extinguishing chamber of vacuum circuit breaker |
-
2017
- 2017-07-21 CN CN201720891393.9U patent/CN206921747U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554540A (en) * | 2020-06-23 | 2020-08-18 | 广东电网有限责任公司东莞供电局 | Vacuum arc-extinguishing chamber of vacuum circuit breaker |
| CN111554540B (en) * | 2020-06-23 | 2022-02-08 | 广东电网有限责任公司东莞供电局 | Vacuum arc-extinguishing chamber of vacuum circuit breaker |
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