CN205487906U - A contact wearing and tearing automatic regulating apparatus for vacuum circuit breaker - Google Patents
A contact wearing and tearing automatic regulating apparatus for vacuum circuit breaker Download PDFInfo
- Publication number
- CN205487906U CN205487906U CN201620006421.XU CN201620006421U CN205487906U CN 205487906 U CN205487906 U CN 205487906U CN 201620006421 U CN201620006421 U CN 201620006421U CN 205487906 U CN205487906 U CN 205487906U
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- China
- Prior art keywords
- spring
- circuit breaker
- contact
- drive plate
- vacuum circuit
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Abstract
The utility model discloses a contact wearing and tearing automatic regulating apparatus for vacuum circuit breaker, including vacuum package, spring A, stop collar, spring holder, connecting block, interval post, spring B, drive plate, transformation mechanism and initiative operating device, vacuum package, spring A, stop collar, spring holder and connecting block constitute the branch off line and construct, spring B, interval post, drive plate constitution contact wearing and tearing automatically regulated mechanism, and two above -mentioned mechanisms and transformation mechanism and initiative operating device connect gradually constitution complete equipment. The structure principle is simple, the stable performance is reliable, and each mechanism module ization degree height, extensively applied.
Description
Technical field
This utility model relates to a kind of vacuum circuit breaker, particularly relates to a kind of contact abrasion for vacuum circuit breaker and automatically adjusts
Regulating device.
Background technology
Vacuum circuit breaker is electrical communication or disjunction between all types of electric locomotive of mains alternating current 25kV and motor-car and contact net
Main switch, is most important protection equipment on locomotive and motor-car, the vacuum circuit breaker energy when vehicle occurs various catastrophe failure
Cut off gross vehicle power supply rapidly, reliably, safely, thus protect vehicular electrical equipment.
Under normal circumstances, require the mechanical life of vacuum circuit breaker to reach 250,000 times, and vacuum packet contact mechanical collision 250,000
The secondary situation certainly existing contact abrasion, therefore, vacuum circuit breaker is required to ensure still to be able in the case of contact abrasion
Effectively closed and disjunction.
Vacuum circuit breaker is broadly divided into pneumatic mechanism chopper, spring mechanism breaker, electromagnetism according to the difference of operating mechanism
Several big classes such as mechanism's chopper and permanent magnet mechanism circuit-breaker, wherein, apply more pneumatic mechanism chopper to go out at contact
Now can automatically be made up by air inflow according to mechanism's stress balance after abrasion, but its holistic cost is higher, manufacturability and close
Envelope property requires stricter；And apply permanent magnet mechanism circuit-breaker structure the most widely simple with manufacturability, service life
Long, but the active stroke of its permanent magnet mechanism is fixed value, easily occurs that dynamic/static contact closes after vacuum packet contact abrasion
The problem such as not in place, affects vacuum circuit breaker performance.
Utility model content
The purpose of this utility model is to provide that a kind of structural principle is simple, apply reliable and stable touching for vacuum circuit breaker
Head abrasion self-checking device.
The purpose of this utility model is achieved through the following technical solutions:
Contact abrasion self-checking device for vacuum circuit breaker of the present utility model, including vacuum packet, spring A, spacing
Set, spring base, contiguous block, spacer, spring B, drive plate, mapping device and active operation mechanism；
Described vacuum packet, spring A, stop collar, spring base and contiguous block constitute disjunction mechanism, described spring B, interval
Post, drive plate constitute contact abrasion automatic adjusting mechanism, and above-mentioned two mechanisms depend on described mapping device and active operation mechanism
Secondary connect and compose package unit；
Described spring B is arranged between described contiguous block and drive plate, and for non-rigid connection, and package unit at least includes one
Group spring A and one group of spring B.
The technical scheme that thered is provided by above-mentioned this utility model is it can be seen that breaking for vacuum of providing of this utility model embodiment
The contact abrasion self-checking device of road device, structural principle is simple, easy accessibility, stable and reliable for performance；Disjunction mechanism and
The design of contact abrasion automatic adjusting mechanism is ingenious, and the degree of modularity is high；Mapping device and active operation mechanism patterns are by dividing
Breaking mechanism and the restriction of contact abrasion automatic adjusting mechanism, be widely used.
Accompanying drawing explanation
The structure of the contact abrasion self-checking device for vacuum circuit breaker that Fig. 1 provides for this utility model embodiment and work
Make schematic diagram；
In figure:
1. vacuum packet 2. spring A 3. stop collar 4. spring base 5. contiguous block 6. spacer 7. spring B 8. drive plate 9. transcriber
Structure 10. active operation mechanism F1. operating mechanism active force (or operating mechanism active force is along the axial component of spring B) F2. bullet
Spring B elastic force F3. spring A elastic force.
Detailed description of the invention
This utility model embodiment will be described in further detail below.
Contact abrasion self-checking device for vacuum circuit breaker of the present utility model, its preferably detailed description of the invention
It is:
Including vacuum packet, spring A, stop collar, spring base, contiguous block, spacer, spring B, drive plate, transcriber
Structure and active operation mechanism；
Described vacuum packet, spring A, stop collar, spring base and contiguous block constitute disjunction mechanism, described spring B, interval
Post, drive plate constitute contact abrasion automatic adjusting mechanism, and above-mentioned two mechanisms depend on described mapping device and active operation mechanism
Secondary connect and compose package unit.
Installing spring B between described contiguous block and drive plate, for non-rigid connection, and package unit at least includes one group of bullet
Spring A and one group of spring B.
The above-mentioned contact abrasion self-checking device for vacuum circuit breaker of the present utility model realizes contact abrasion and automatically adjusts
The method of joint, including:
Described spring B elastic force is along with the value range that is changed to of contact head abrasive loss, and meets its maximum simultaneously and be less than
In operating mechanism active force or operating mechanism active force along the axial component of spring B, and its minima is more than or equal to spring A
The maximum that elastic force changes along with contact head abrasive loss and contact closure power minima sum, and its minima is less than or equal to spring A
The maximum that elastic force changes along with contact head abrasive loss and contact closure power maximum sum.
The minimum of maximum that described spring B elastic force changes along with contact head abrasive loss, minima and allowed contact head abrasive loss,
Maximum becomes corresponding relation.
The initial value of described spring A elastic force is more than or equal to the Natural closure power of vacuum packet.
Described spring base can slide axially along stop collar and contiguous block.
Described mapping device can arbitrarily change disjunction mechanism and contact abrasion automatic adjusting mechanism and active operation mechanism it
Between angle of assembling.
Specific embodiment:
As it is shown in figure 1, this utility model includes vacuum packet 1, bullet for the contact abrasion self-checking device of vacuum circuit breaker
Spring A2, stop collar 3, spring base 4, contiguous block 5, spacer 6, spring B 7, drive plate 8, mapping device 9 and active behaviour
Make mechanism 10；Described vacuum packet 1, spring A2, stop collar 3, spring base 4 and contiguous block 5 constitute disjunction mechanism, described bullet
Spring B7, spacer 6, drive plate 8 constitute contact abrasion automatic adjusting mechanism, above-mentioned two mechanisms and described mapping device 9 and master
Pneumatic operating mechanism 10 is sequentially connected with composition package unit.
Installing spring B 7 between contiguous block 5 and drive plate 8, for non-rigid connection, and package unit at least includes one group of spring
A2 and one group of spring B 7.In the present embodiment, spring A2 plays the effect of contacts for vacuum-break switches disjunction, and spring B 7 plays very
Empty contact of breaker abrasion autoregulation.
Spring B 7 elastic force F2Along with the value range that is changed to of contact head abrasive loss, and meet its maximum simultaneously and be less than or equal to
Operating mechanism active force or operating mechanism active force are along the axial component F of spring B 71, and its minima is more than or equal to spring
A2 elastic force F3Along with maximum and the contact closure power minima sum of contact head abrasive loss change, and its minima is less than or equal to
Spring A2 elastic force F3Maximum and contact closure power maximum sum along with contact head abrasive loss change, it is ensured that above-mentioned power right
Should be related to so that spring B 7 being relied in the range of the contact head abrasive loss allowed to automatically adjust and compensate.
Spring B 7 elastic force F2Along with the maximum of contact head abrasive loss change, the minimum of minima and allowed contact head abrasive loss,
It is worth into greatly corresponding relation, to ensure that vacuum packet can be effectively closed in the range of the contact head abrasive loss allowed.
Spring A2 elastic force F3Initial value more than or equal to the Natural closure power of vacuum packet, with can be to very during playing assembling
Sky is unwrapped away from the effect being adjusted, thus ensures precision.
Spring base 4 can slide axially along stop collar 3 and contiguous block 5, to ensure that disjunction mechanism is adjusted automatically with contact abrasion
Joint mechanism can sequential working.In the present embodiment, between spring base 4 and stop collar 3 and spring base 4 and contiguous block 5 it
Between be interference fits.
Mapping device 9 can arbitrarily change between disjunction mechanism and contact abrasion automatic adjusting mechanism and active operation mechanism 10
Angle of assembling, to increase versatility and the motility of the method and device.In the present embodiment, mapping device 9 is straight line
Angle of assembling between drive mechanism, i.e. disjunction mechanism and contact abrasion automatic adjusting mechanism and active operation mechanism 10 is 180
°, it is also possible to it is 90 ° etc..
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model not office
Being limited to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model
Should be as the criterion with the protection domain of claims.
Claims (1)
1. the contact abrasion self-checking device for vacuum circuit breaker, it is characterised in that include vacuum packet, spring
A, stop collar, spring base, contiguous block, spacer, spring B, drive plate, mapping device and active operation mechanism；
Described vacuum packet, spring A, stop collar, spring base and contiguous block constitute disjunction mechanism, described spring B, interval
Post, drive plate constitute contact abrasion automatic adjusting mechanism, and above-mentioned two mechanisms depend on described mapping device and active operation mechanism
Secondary connect and compose package unit；
Described spring B is arranged between described contiguous block and drive plate, and for non-rigid connection, and package unit at least includes one
Group spring A and one group of spring B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620006421.XU CN205487906U (en) | 2016-01-04 | 2016-01-04 | A contact wearing and tearing automatic regulating apparatus for vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620006421.XU CN205487906U (en) | 2016-01-04 | 2016-01-04 | A contact wearing and tearing automatic regulating apparatus for vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487906U true CN205487906U (en) | 2016-08-17 |
Family
ID=56664743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620006421.XU Expired - Fee Related CN205487906U (en) | 2016-01-04 | 2016-01-04 | A contact wearing and tearing automatic regulating apparatus for vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205487906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470037A (en) * | 2016-01-04 | 2016-04-06 | 北京赛德高科铁道电气科技有限责任公司 | Automatic contact abrasion adjustment device and method for vacuum circuit breaker |
-
2016
- 2016-01-04 CN CN201620006421.XU patent/CN205487906U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470037A (en) * | 2016-01-04 | 2016-04-06 | 北京赛德高科铁道电气科技有限责任公司 | Automatic contact abrasion adjustment device and method for vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160817 Termination date: 20220104 |