CN110277272A - A kind of synchronous shaft assembly and breaker - Google Patents
A kind of synchronous shaft assembly and breaker Download PDFInfo
- Publication number
- CN110277272A CN110277272A CN201910543118.1A CN201910543118A CN110277272A CN 110277272 A CN110277272 A CN 110277272A CN 201910543118 A CN201910543118 A CN 201910543118A CN 110277272 A CN110277272 A CN 110277272A
- Authority
- CN
- China
- Prior art keywords
- contact arm
- synchronous
- axle bed
- breaker
- shaft assembly
- 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.)
- Pending
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000004593 Epoxy Substances 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention discloses a kind of synchronous shaft assembly, including synchronous contact arm, axle bed and synchronizing shaft, one end of the synchronous contact arm is set in the axle bed and can rotate in axle bed, the other end of the synchronous contact arm is provided with loose slot, active connection is installed on the loose slot, the synchronizing shaft is arranged in the synchronous contact arm, is provided with mounting hole on the axle bed, and the quantity of the synchronous contact arm and the axle bed is equal with the number of poles of breaker.Synchronization shaft assembly of the invention is when in use, axle bed is fixed on the bracket of breaker, the active connection of every group of synchronous contact arm and multiple movable end of vacuum arc extinguishing chamber of breaker are correspondingly connected with, when breaker executes combined floodgate or sub-switching operation, due to the constraint of synchronizing shaft, synchronous contact arm motion state having the same guarantees that the multiple movable end of vacuum arc extinguishing chamber of breaker can move synchronously, to achieve the effect that adjust breaker closing synchronism and separating brake synchronism.
Description
Technical field
The present invention relates to controller switching equipment technical fields, and in particular to a kind of synchronous shaft assembly and breaker.
Background technique
In recent years, with the fast development of domestic power distribution automation, many switch producers are in order to realize the quick of breaker
Separating brake mostly uses greatly the design scheme of the three single-phase permanent magnet mechanisms directly driven, and this design structure is simple, and breaker components are few,
Transmission parts only have one, since permanent magnet mechanism is matched with vacuum interrupter kinetic characteristic, can not only provide quick separating brake
Time, but also the connecting-disconnecting function of breaker can be improved.However the breaker of this design have mostly switching synchronization and
The problem of separating brake synchronism bad adjustment, the driven Design of previous breaker are all the structure using double leval jib, i.e., one driving
Axis rotation drives moving component to realize that feed motion and separating brake act by connecting lever, and the combined floodgate same period of such breaker and separating brake are same
Phase is naturally in synchronous regime.However this design, structure is complicated, transmission parts are more, and automatic in face of current distribution
The problem of changing the quick acting switching-off ability proposed, has any problem.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of synchronous shaft assembly, for solving breaker closing synchronism
The problem of adjustment bad with separating brake synchronism.
The contents of the present invention are as follows:
A kind of synchronous shaft assembly, including synchronous contact arm, axle bed and synchronizing shaft, one end of the synchronous contact arm are set in described
It can relatively rotate in axle bed and with axle bed, the other end of the synchronous contact arm is provided with loose slot, installs on the loose slot
There is active connection, the synchronizing shaft is arranged in the synchronous contact arm, and mounting hole, the synchronous contact arm are provided on the axle bed
It is equal with the number of poles of breaker with the quantity of the axle bed.
Preferably, the quantity of the synchronous contact arm and the axle bed is 3 groups, every group of synchronous contact arm include the first contact arm and
Second contact arm, first contact arm and second contact arm are separately positioned on the both ends of same group of axle bed.
Preferably, first contact arm and the second contact arm structure mirror symmetry, first contact arm includes connector,
One end of the connector is provided with lantern ring, and the other end of the connector is arranged in the loose slot, and the lantern ring is set in
In the axle bed.
Preferably, the lantern ring is cylindric, and the lantern ring is provided with polygon inner hole, the shape of the synchronizing shaft and institute
Inner hole is stated to match.
Further, the section of the inner hole be square, regular hexagon or octagon.
Preferably, the synchronizing shaft uses epoxy cylinder.
Preferably, the active connection includes idler wheel and pin shaft, and the idler wheel is mounted on the loose slot, the pin
Axis is arranged in the idler wheel.
Preferably, the active connection includes screw bolt and nut, and the bolt is arranged in the loose slot, the nut
It is mounted on the bolt.
Preferably, it is provided with through-hole on the axle bed, jackscrew, first contact arm and described are provided in the through-hole
Annular groove is provided on two contact arms, the jackscrew is inserted into the annular groove.
The present invention also provides a kind of breaker, for solving breaker closing synchronism and the bad adjustment of separating brake synchronism
Problem.
A kind of breaker including bracket and is respectively mounted permanent magnet mechanism on the bracket, insulated pull rod, vacuum extinction
Room is connect by the insulated pull rod with the moved end of the vacuum interrupter with above-mentioned synchronous shaft assembly, the permanent magnet mechanism,
On the bracket, the synchronous contact arm of every group of the synchronizing shaft passes through the flexible connection for the axle bed installation of the synchronous shaft assembly
Part is connected to the moved end of corresponding vacuum interrupter.
The invention has the benefit that
When in use, axle bed is fixed on the bracket of breaker synchronization shaft assembly of the invention, the work of every group of synchronous contact arm
Multiple movable end of vacuum arc extinguishing chamber of follower link and breaker are correspondingly connected with, when breaker executes combined floodgate or sub-switching operation, by
In the constraint of synchronizing shaft, synchronous contact arm motion state having the same guarantees that the multiple movable end of vacuum arc extinguishing chamber of breaker can be same
Step movement, to achieve the effect that adjust breaker closing synchronism and separating brake synchronism；
Compared with the breaker structure of traditional double leval jib, the present invention passes through synchronous shaft assembly and realizes that the same period of breaker closes
Lock and same period separating brake, and drive shaft and connecting lever can be saved, reduce the volume of breaker.
Detailed description of the invention
Fig. 1 show the breaker partial side view of the embodiment of the present invention；
Fig. 2 show the structural schematic diagram of the synchronization shaft assembly of the embodiment of the present invention；
Fig. 3 show the left side perspective view of the synchronization shaft assembly of the embodiment of the present invention；
Fig. 4 show the explosive view of the synchronization shaft assembly of the embodiment of the present invention；
Fig. 5 show the structural schematic diagram of the first contact arm of the embodiment of the present invention.
Specific embodiment
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Please refer to Fig. 1, a kind of breaker disclosed in the present embodiment, including bracket 1 and the permanent magnetism being installed on bracket 1
Mechanism 2, insulated pull rod 3, vacuum interrupter 4 and synchronous shaft assembly 5, permanent magnet mechanism 2 pass through insulated pull rod 3 and vacuum interrupter 4
Moved end 4-1 connection, at work, permanent magnet mechanism 2 by insulated pull rod 3 drive vacuum interrupter 4 moved end 4-1 movement.
Referring to figure 2. and Fig. 3, synchronous shaft assembly 5 include synchronous contact arm 5-1, axle bed 5-2 and synchronizing shaft 5-3, synchronous contact arm
One end of 5-1 is set in axle bed 5-2 and can rotate in axle bed 5-2, and the other end of synchronous contact arm 5-1 is provided with loose slot
Active connection 5-5 is installed, synchronizing shaft 5-3 is arranged in synchronous contact arm 5-1, is provided on axle bed 5-2 on 5-4, loose slot 5-4
Mounting hole 5-6, mounting hole 5-6 are threaded hole, and the axle bed 5-2 of synchronizing shaft 5-3 component 5 is mounted on by mounting hole 5-6 and screw
On bracket 1, the quantity of synchronous contact arm 5-1 and axle bed 5-2 is equal with the number of poles of breaker, and the present embodiment is with three-phase breaker
Example, the number of poles of breaker are three poles, and the quantity of synchronous contact arm 5-1 and axle bed 5-2 is 3 groups, the synchronous touching of every group of synchronizing shaft 5-3
Arm 5-1 is connected to the moved end 4-1 of corresponding vacuum interrupter 4 by active connection 5-5, when breaker executes combined floodgate or separating brake
When operation, due to the constraint of synchronizing shaft 5-3, synchronous contact arm 5-1 motion state having the same, and the moved end of vacuum interrupter 4
4-1 connects with synchronous contact arm 5-1 and is limited to synchronous contact arm 5-1, can be to avoid between multiple 4 moved end 4-1 of vacuum interrupter
Movement guarantees that the moved end 4-1 of the multiple vacuum interrupters 4 of breaker can be moved synchronously there are the time difference, so that it is disconnected to reach adjustment
The effect of road device switching synchronization and separating brake synchronism, compared with the breaker structure of traditional double leval jib, the present embodiment passes through
Synchronizing shaft 5-3 component 5 realizes the asynchronous switch-on and same period separating brake of breaker, and can save drive shaft and connecting lever, reduces disconnected
The volume of road device.
It please refers to Fig. 1, on the side plate of breaker and is located at the position of the one end synchronizing shaft 5-3 and is provided with handle hole 6, in open circuit
When device maintenance or maintenance, synchronizing shaft 5-3 can be operated by handle hole 6, to realize closing by hand or manual brake separating.
Referring to figure 4. and Fig. 5, every group of synchronous contact arm 5-1 include the first contact arm 5-1-1 and the second contact arm 5-1-2, the first touching
Arm 5-1-1 and the second contact arm 5-1-2 is separately positioned on the both ends of same group of axle bed 5-2.First contact arm 5-1-1 and the second contact arm 5-
1-2 structure mirror symmetry, the first contact arm 5-1-1 include connector 5-1-11, and one end of connector 5-1-11 is provided with lantern ring 5-
The other end of connector 5-1-11 is arranged in 1-12, loose slot 5-4, and lantern ring 5-1-12 is set in axle bed 5-2, can increase
Contact area between one contact arm 5-1-1 and axle bed 5-2 improves the firm journey connected between the first contact arm 5-1-1 and axle bed 5-2
Degree, avoids the first contact arm 5-1-1 and the second contact arm 5-1-2 along axial shaking.Lantern ring 5-1-12 is cylindric, it is ensured that synchronous
It can be relatively rotated between contact arm 5-1 and axle bed 5-2, lantern ring 5-1-12 is provided with polygon inner hole 5-1-13, synchronizing shaft 5-3's
Shape matches with inner hole 5-1-13, can reach and pass through to avoid the relative rotation between synchronizing shaft 5-3 and synchronous contact arm 5-1
Synchronizing shaft 5-3 constrains the effect of the synchronous contact arm 5-1 of multiple groups.Further, the section of inner hole 5-1-13 be square, regular hexagon
Or octagon, regular shape are easy to process.Synchronizing shaft 5-3 uses epoxy cylinder, and the dielectric strength of epoxy cylinder is high, can be with
It avoids synchronous shaft assembly 5 from leaking electricity, improves the safety of breaker maintenance, and the mechanical strength of epoxy cylinder is good, is conducive to mention
The service life of the synchronous shaft assembly 5 of height.
In one embodiment, active connection 5-5 includes idler wheel 5-5-1 and pin shaft 5-5-2, and idler wheel 5-5-1 is mounted on
On loose slot 5-4, pin shaft 5-5-2 is arranged in idler wheel 5-5-1.On-board the circuit breaker, the pin shaft 5-5-2 of active connection 5-5 is worn
In the moved end 4-1 of vacuum circuit breaker, synchronous contact arm 5-1 is driven by pin shaft 5-5-2 when vacuum circuit breaker moved end 4-1 moves up and down
Movement, idler wheel 5-5-1 moves in loose slot 5-4, loose slot 5-4 can moved end 4-1 to vacuum circuit breaker because moving up and down
And the displacement difference generated between synchronizing shaft 5-3 compensates, and can also play position-limiting action, pin shaft 5-5-2 can also be played
The effect of fixed idler whell 5-5-1.
In another embodiment, active connection 5-5 includes screw bolt and nut, and bolt is arranged in loose slot 5-4, nut
It is mounted on bolt, on-board the circuit breaker, bolt is arranged in the moved end 4-1 of vacuum circuit breaker, and structure is simple, is easily assembled.
Referring to figure 3. to Fig. 5, in order to avoid synchronizing shaft 5-3 is axially biased, the first contact arm 5-1-1 and the second contact arm 5-
Annular groove 5-1-14 is provided on 1-2, specifically, annular groove 5-1-14 is arranged on lantern ring 5-1-12, on axle bed 5-2
It is provided with through-hole 5-7, jackscrew 5-8 is provided in through-hole 5-7, the through-hole 5-7 of the present embodiment is threaded hole, and jackscrew 5-8 screws in logical
Hole 5-7 is simultaneously inserted into annular groove 5-1-14, and the width of annular groove 5-1-14 is equal or slightly larger than the diameter of jackscrew 5-8, due to
Frictional force between synchronizing shaft 5-3 and synchronous contact arm 5-1 is larger, at work will not between synchronizing shaft 5-3 and synchronous contact arm 5-1
Axially opposed movement, and due to the position-limiting action of jackscrew 5-8, can between limits synchronization axis 5-3 and axle bed 5-2 along axial direction
Relative motion, but not influence synchronizing shaft 5-3 and axle bed 5-2 between relative rotation.
The part that breaker is not mentioned in the present embodiment can refer to the prior art.
The above, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as
It reaches technical effect of the invention with identical means, all should belong to protection scope of the present invention.In protection model of the invention
Its technical solution and/or embodiment can have a variety of different modifications and variations in enclosing.
Claims (10)
1. a kind of synchronous shaft assembly, it is characterised in that: described including synchronous contact arm (5-1), axle bed (5-2) and synchronizing shaft (5-3)
The one end of synchronous contact arm (5-1) is set in the axle bed (5-2) and can relatively rotate with axle bed (5-2), the synchronous touching
The other end of arm (5-1) is provided with loose slot (5-4), is equipped with active connection (5-5) on the loose slot (5-4), described
Synchronizing shaft (5-3) is arranged in the synchronous contact arm (5-1), is provided with mounting hole (5-6), the synchronization on the axle bed (5-2)
The quantity of contact arm (5-1) and the axle bed (5-2) is equal with the number of poles of breaker.
2. synchronous shaft assembly as described in claim 1, it is characterised in that: the synchronous contact arm (5-1) and the axle bed (5-2)
Quantity be 3 groups, every group of synchronous contact arm (5-1) includes the first contact arm (5-1-1) and the second contact arm (5-1-2), described first
Contact arm (5-1-1) and second contact arm (5-1-2) are separately positioned on the both ends of same group of axle bed (5-2).
3. synchronous shaft assembly as claimed in claim 2, it is characterised in that: first contact arm (5-1-1) and second touching
Arm (5-1-2) structure mirror symmetry, first contact arm (5-1-1) include connector (5-1-11), the connector (5-1-
11) one end is provided with lantern ring (5-1-12), and the other end in the connector (5-1-11) is arranged in the loose slot (5-4),
The lantern ring (5-1-12) is set in the axle bed (5-2).
4. synchronous shaft assembly as claimed in claim 3, it is characterised in that: the lantern ring (5-1-12) is cylindric, the set
Ring (5-1-12) is provided with polygon inner hole (5-1-13), shape and the inner hole (5-1-13) phase of the synchronizing shaft (5-3)
Matching.
5. synchronous shaft assembly as claimed in claim 4, it is characterised in that: the section of the inner hole (5-1-13) is square,
Regular hexagon or octagon.
6. the synchronization shaft assembly as described in claim 1,4 or 5, it is characterised in that: the synchronizing shaft (5-3) uses epoxy column
Body.
7. synchronous shaft assembly as described in claim 1, it is characterised in that: the active connection (5-5) includes idler wheel (5-5-
1) it is mounted on the loose slot (5-4) with pin shaft (5-5-2), the idler wheel (5-5-1), the pin shaft (5-5-2) is arranged in
The idler wheel (5-5-1).
8. synchronous shaft assembly as described in claim 1, it is characterised in that: the active connection (5-5) includes bolt and spiral shell
Mother, the bolt are arranged in the loose slot (5-4), and the nut is mounted on the bolt.
9. synchronous shaft assembly as claimed in claim 2, it is characterised in that: it is provided with through-hole (5-7) on the axle bed (5-2),
It is provided with jackscrew (5-8) in the through-hole (5-7), is all provided on first contact arm (5-1-1) and second contact arm (5-1-2)
It is equipped with annular groove (5-1-14), the jackscrew (5-8) is inserted into the annular groove (5-1-14).
10. a kind of breaker, it is characterised in that: including bracket (1) and the permanent magnet mechanism being installed on the bracket (1)
(2), insulated pull rod (3), vacuum interrupter (4) with according to claim 1 to synchronous shaft assembly described in 9 any one, it is described
Permanent magnet mechanism (2) is connect by the insulated pull rod (3) with the moved end (4-1) of the vacuum interrupter (4), the synchronizing shaft group
The axle bed (5-2) of part is mounted on the bracket (1), and the synchronous contact arm (5-1) of every group of the synchronizing shaft (5-3) passes through the work
Follower link (5-5) is connected to the moved end (4-1) of corresponding vacuum interrupter (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543118.1A CN110277272A (en) | 2019-06-21 | 2019-06-21 | A kind of synchronous shaft assembly and breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543118.1A CN110277272A (en) | 2019-06-21 | 2019-06-21 | A kind of synchronous shaft assembly and breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110277272A true CN110277272A (en) | 2019-09-24 |
Family
ID=67961619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910543118.1A Pending CN110277272A (en) | 2019-06-21 | 2019-06-21 | A kind of synchronous shaft assembly and breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110277272A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735905A (en) * | 2020-12-25 | 2021-04-30 | 默飓电气有限公司 | Permanent magnet vacuum circuit breaker |
| CN112951669A (en) * | 2020-12-25 | 2021-06-11 | 默飓电气有限公司 | A seat in same period for circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030089682A1 (en) * | 2001-11-09 | 2003-05-15 | Per Skarby | Hybrid circuit breaker with a transmission |
| CN2724187Y (en) * | 2004-09-06 | 2005-09-07 | 苏本宽 | Vacuum contactor of permanent magnetic mechanism |
| CN103700539A (en) * | 2014-01-10 | 2014-04-02 | 常州太平洋电力设备(集团)有限公司 | Vacuum circuit breaker for switching capacitor bank gas insulated switch cabinet |
| CN210120077U (en) * | 2019-06-21 | 2020-02-28 | 瑞熙恩电气（珠海）有限公司 | Synchronizing shaft assembly and circuit breaker |
-
2019
- 2019-06-21 CN CN201910543118.1A patent/CN110277272A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030089682A1 (en) * | 2001-11-09 | 2003-05-15 | Per Skarby | Hybrid circuit breaker with a transmission |
| CN2724187Y (en) * | 2004-09-06 | 2005-09-07 | 苏本宽 | Vacuum contactor of permanent magnetic mechanism |
| CN103700539A (en) * | 2014-01-10 | 2014-04-02 | 常州太平洋电力设备(集团)有限公司 | Vacuum circuit breaker for switching capacitor bank gas insulated switch cabinet |
| CN210120077U (en) * | 2019-06-21 | 2020-02-28 | 瑞熙恩电气（珠海）有限公司 | Synchronizing shaft assembly and circuit breaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735905A (en) * | 2020-12-25 | 2021-04-30 | 默飓电气有限公司 | Permanent magnet vacuum circuit breaker |
| CN112951669A (en) * | 2020-12-25 | 2021-06-11 | 默飓电气有限公司 | A seat in same period for circuit breaker |
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