CN107317254A - Longitudinal withdraw-type circuit breaker cart - Google Patents
Longitudinal withdraw-type circuit breaker cart Download PDFInfo
- Publication number
- CN107317254A CN107317254A CN201710733103.2A CN201710733103A CN107317254A CN 107317254 A CN107317254 A CN 107317254A CN 201710733103 A CN201710733103 A CN 201710733103A CN 107317254 A CN107317254 A CN 107317254A
- Authority
- CN
- China
- Prior art keywords
- moving contact
- circuit breaker
- disconnecting switch
- linkage
- breaker cart
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
Abstract
The present invention relates to a kind of longitudinal withdraw-type circuit breaker cart, the circuit breaker cart sets one by the synchronously driven upper disconnecting switch moving contact of linkage and lower disconnecting switch moving contact；After circuit breaker cart push-in breaker cabinet, by driving the linkage, disconnecting switch moving contact and lower disconnecting switch moving contact reverse movement on this, to insert the seat of the upper static contact in upper contact head box and the lower static contact seat in lower contact box respectively, realize isolation knife and lower isolation knife on switch cubicle and close a floodgate simultaneously；Handcart circuit breaker closing operation is finally carried out, power transmission is completed.
Description
Technical field
The invention belongs to technical field of electric equipment, and in particular to a kind of longitudinal withdraw-type circuit breaker cart.
Background technology
Present withdraw-type switch cabinet A, B, C three-phase contact is typically using horizontal middle arrangement, the relative operator of definition
Member, breaker A, B, C three-phase contact after, in, front direction arrangement be longitudinal direction, breaker A, B, C three-phase contact is along left, center, right
Direction arrangement is laterally.
Due to existing circuit breaker cart, it is all fixed with the moving contact that switch cubicle is electrically connected, to ensure to depart from
Or during push-in switch cubicle not interferometric switch cabinet static contact, A, B, C three-phase moving contact can only be used along left, center, right side
To horizontal arrangement.
Such as KYN28 intermediate switchgear cabinets, its primary cut-out three-phase major loop used uses left, center, right horizontal linear
Arrangement, is operated by breaker bottom chassis car, breaker can be promoted along switch cubicle fore-and-aft direction (i.e. longitudinal direction), be reached work
During position, major loop realizes conducting by dynamic/static contact grafting.
This kind of circuit breaker cart, it has the disadvantage that primary cut-out three-phase major loop lateral arrangement causes cabinet wide larger, and hand
Car moves forward and backward the certain stroke of needs, so that cause cabinet deeper, therefore floor space is very big；Other its main bus-bar and branch bus
Length is larger, and processing cost is higher, and former as main heating in using, and causes energy loss and influence equipment work safety
Property.Meanwhile, circuit breaker cart is realized after switch cubicle is loaded and keeps dynamic/static contact grafting, the break-make of its circuit by
Handcart circuit breaker breaking-closing operating is controlled, and its security performance is not high.
The content of the invention
The present invention is intended to provide a kind of longitudinal withdraw-type circuit breaker cart, three-phase major loop is longitudinally arranged, larger amplitude is realized
The width, the phase spacing that reduce middle-placed switch cabinet of degree are constant so without adding traditional method such as insulating barrier and insulating wrapped.
Concrete scheme is as follows：Longitudinal withdraw-type circuit breaker cart, includes combined floodgate component, and the combined floodgate component includes upper isolation
Switch movable contact, lower disconnecting switch moving contact and linkage；Disconnecting switch moving contact and lower disconnecting switch moving contact on this
On the linkage, and by linkage driving linkage movement, to protrude out respectively above and below circuit breaker cart
Both ends of the surface, corresponding fixed contact pedestal is located at for inserting.
Further, the combined floodgate component also includes a circuit breaker polar, and the circuit breaker polar is provided with the peace of a both ends open
Slideway is filled, the two-port of the installation slideway is located at the upper and lower ends of circuit breaker cart respectively；Disconnecting switch moving contact is with on this
Disconnecting switch moving contact is slidable to be installed in the installation slideway, and disconnecting switch moving contact and lower disconnecting switch are dynamic on this
Contact is respectively arranged on the two ends of the installation slideway；The linkage includes the upper moving contact driver plate being mutually pivotally connected and lower dynamic tactile
Head driver plate, free end of moving contact driver plate and lower moving contact driver plate is also articulated in disconnecting switch on this and moves tactile respectively on this
On head and lower disconnecting switch moving contact；Isolated by driving on this in moving contact driver plate and/or lower moving contact driver plate, drive
Reversely linkage is moved along the installation slideway for switch movable contact and lower disconnecting switch.
Further, a directive slide track for being approximately perpendicular to the installation slideway is additionally provided with the circuit breaker polar, is moved on this
Drive-connecting shaft between contact driver plate and lower moving contact driver plate is slidable in the directive slide track, and then makes to move on this
Contact driver plate and the lower moving contact driver plate are into " V " font structure.
Further, a drive mechanism is additionally provided with the circuit breaker cart, the drive mechanism is connected in the connecting rod machine
On structure, to drive disconnecting switch moving contact and lower disconnecting switch moving contact on this reverse along the installation slideway by the linkage
Linkage movement.
Further, the drive mechanism includes an isolation axle and driving crank, and the driving crank is articulated in the breaker
On pole；The two ends of the driving crank are connected on the linkage and the isolation axle, with by rotating the isolation respectively
Axle, swings the driving crank, so as to realize the driving of linkage.
Further, the circuit breaker cart is provided with three groups of combined floodgate components；Three groups of combined floodgate components are along the breaker hand
The direction of car push-in breaker cabinet is arranged successively, and then the circuit breaker cart is longitudinally pulled out or is promoted in the breaker cabinet.
Further, multiple rollers are additionally provided with the circuit breaker cart, to pass through the roller-coaster；Further, the rolling
Wheel is located at the bottom of the circuit breaker cart.
The present invention circuit breaker cart by set one by the synchronously driven upper disconnecting switch moving contact of linkage and under
Disconnecting switch moving contact；By driving the linkage, disconnecting switch moving contact and lower disconnecting switch moving contact are reversely moved on this
It is dynamic, to insert the seat of the upper static contact in upper contact head box and the lower static contact seat in lower contact box respectively, realize
Isolation knife and lower isolation knife are closed a floodgate simultaneously on switch cubicle；Handcart circuit breaker closing operation is finally carried out, power transmission is completed.
Technical scheme, due to the upper disconnecting switch moving contact and lower disconnecting switch moving contact using activity, three
Phase major loop can be longitudinally arranged, and circuit breaker cart can also along along breaker cabinet three-phase contact arragement direction, i.e., longitudinal direction,
Promote or release breaker chamber, the problem of switch cabinet of the existing three-phase contact lateral arrangement of solution is wide larger；Further,
The maximized length for reducing main bus-bar and branch bus of this kind of plan of establishment, while saving material, greatly reduces hair
Thermal source, device security is significantly increased.
Brief description of the drawings
Fig. 1 shows circuit breaker cart isolation knife "on" position structural representation of the embodiment of the present invention；
Fig. 2 shows that Fig. 1 removes the structural representation after a combined floodgate component；
Fig. 3 shows Fig. 1 isolation knife gate-dividing state structural representations；
Fig. 4 shows that Fig. 3 removes the structural representation after a combined floodgate component.
Embodiment
To further illustrate each embodiment, the present invention is provided with accompanying drawing.These accompanying drawings are the invention discloses the one of content
Point, it is mainly to illustrate embodiment, and can coordinate the associated description of specification to explain the operation principles of embodiment.Coordinate ginseng
These contents are examined, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention.In figure
Component be not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
In conjunction with the drawings and specific embodiments, the present invention is further described.
With reference to shown in Fig. 1 and Fig. 2, the embodiment provides a kind of longitudinal withdraw-type circuit breaker cart 3, the circuit breaker cart 3
For pulling out or promoting in breaker cabinet, to realize that the break-make between breaker cabinet primary circuit and secondary circuit is controlled.
Roller 37 is provided with the promotion function of circuit breaker cart 3, the bottom of the circuit breaker cart 3 to realize, specifically,
The roller 37 has four, and it is located at the bottom of the circuit breaker cart 3；By the rolling of the roller 37, make the circuit breaker cart 3
It can promote and slide, to pull out or promote in breaker cabinet；It is understood that in other embodiments, the roller is also
The diverse location of circuit breaker cart can be arranged at according to the architectural feature of breaker cabinet, be not restricted to be located at breaker
The bottom of handcart 3.
With reference to shown in Fig. 1 and Fig. 2, three combination gate assemblies 30, each combined floodgate component have been arranged side by side in the circuit breaker cart 3
30 include disconnecting switch moving contact 31, once disconnecting switch moving contact 32 and linkage on a circuit breaker polar 35, one
33。
Specifically, the circuit breaker polar 35 is provided with the installation slideway 351 of a both ends open, the installation slideway 351 is set vertically
Put, its two-port is set to be open, and the upper static contact seat 21 and lower static contact seat 22 just to fixed contact pedestal group 2 respectively；Should
Upper disconnecting switch moving contact 31 and lower disconnecting switch moving contact 32 can be slided in the installation slideway 351, and keep apart on this
The upper end that moving contact 31 is located at the installation slideway 351 is closed, the lower disconnecting switch moving contact 32 is located under the installation slideway 351
End.
The linkage 33 includes the upper moving contact driver plate 331 and lower moving contact driver plate 332 being mutually pivotally connected, and
Afterwards, free end of moving contact driver plate 331 and lower moving contact driver plate 332 is also articulated in disconnecting switch on this and moves tactile respectively on this
First 31 and lower disconnecting switch moving contact 32 on, to realize that synchronization to the two drives.It is further preferred that to realize that driving is stable
A directive slide track 352 for being approximately perpendicular to the installation slideway 351 is additionally provided with property, the side of the circuit breaker polar 35, on this
Drive-connecting shaft between moving contact driver plate 331 and lower moving contact driver plate 332 is inserted in the directive slide track 352, should with edge
Directive slide track 352 is slided, and is realized moving contact driver plate 331 and the single-degree-of-freedom of lower moving contact driver plate 332 on this and is limited, is driving
When moving the linkage 33, disconnecting switch moving contact 31 and lower disconnecting switch moving contact 32 have a motion shape determined on this
State.
It is preferred that, a drive mechanism 34 is additionally provided with the circuit breaker cart 3, the drive mechanism 34 includes an isolation axle 341
And a driving crank 342.The intermediate region of driving crank 342 is pivotally mounted on the side wall of the circuit breaker polar 35, and
The two ends of the driving crank 342 are connected on the linkage 33 and the isolation axle 341 respectively afterwards：Specifically, the transmission
The two ends of crank 342 are respectively provided with a slip slot, and the upper moving contact driver plate 331 of the linkage 33 is provided with a latch, should
Latch is inserted in the slip slot of the one end of driving crank 342；An oscillating rod is connected with the isolation axle 341, the oscillating rod
It is inserted in by a latch in another slip slot of the driving crank 342, and then by rotating the isolation axle 341, realization pair
The driving of linkage 33.
It should be understood that each combined floodgate component 30 is respectively provided with the linkage 33 of two mirror images setting, the drive mechanism 34
Be connected on the linkage 33 of the three combinations gate assembly 30, with drive on this three groups disconnecting switch moving contact 31 and under every
Moved up and down respectively from switch movable contact 32, until all upper static contacts seat 21 and lower static contact seat 22 with fixed contact pedestal group 2
Synchroswitching or separating brake.
With reference to Fig. 2, upper disconnecting switch moving contact 31 and lower disconnecting switch moving contact 32 are located on the linkage 33, and
Promote all linkages 33 to move to deploy by the way that drive mechanism 34 is synchronous so that upper disconnecting switch moving contact 31 and under every
Inversely slided along the installation slideway 351 from switch movable contact 32, and its free end is each passed through the upper end of the circuit breaker cart 3
Face and lower surface, for insertion into the primary circuit fixed contact pedestal in breaker cabinet upper contact head box and lower contact box.
In conjunction with Fig. 3 and Fig. 4, the isolation axle 341 is rotated clockwise, the connecting rod machine is pulled to the right by driving crank 342
Structure 33, makes isolation moving contact 31 down be retracted into centre, and enough electric clearances are kept with upper contact head seat 21, and lower isolation is dynamic
The upward retraction of contact 32 keeps enough electric clearances with lower contact base 33, realizes separating brake to centre.
The technical scheme of the embodiment, due to the upper disconnecting switch moving contact 31 and lower disconnecting switch moving contact using activity
32, three-phase major loop can be longitudinally arranged, so circuit breaker cart 3 can also along along breaker cabinet three-phase contact arrangement side
To, i.e., it is longitudinal, promote or release in breaker cabinet, the switch cabinet of the existing three-phase contact lateral arrangement of solution is wide larger to ask
Topic.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright
In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (8)
1. longitudinal withdraw-type circuit breaker cart, it is characterised in that：Include combined floodgate component, the combined floodgate component includes upper disconnecting switch
Moving contact, lower disconnecting switch moving contact and linkage；
Disconnecting switch moving contact and lower disconnecting switch moving contact are on the linkage, and driven by the linkage on this
Dynamic linkage movement, to protrude out the upper and lower ends face of circuit breaker cart respectively, corresponding fixed contact pedestal is located at for inserting.
2. longitudinal withdraw-type circuit breaker cart according to claim 1, it is characterised in that：The combined floodgate component also includes one and broken
Road device pole, the circuit breaker polar is provided with the installation slideway of a both ends open, and the two-port of the installation slideway is located at open circuit respectively
The upper and lower ends of device handcart；
Disconnecting switch moving contact and lower disconnecting switch moving contact is slidable is installed in the installation slideway on this, and on this every
From the two ends that switch movable contact and lower disconnecting switch moving contact are respectively arranged on the installation slideway；
The linkage includes the upper moving contact driver plate and lower moving contact driver plate being mutually pivotally connected, moving contact driver plate on this
Also it is articulated in respectively on this on disconnecting switch moving contact and lower disconnecting switch moving contact with the free end of lower moving contact driver plate；
Moving contact driver plate and/or lower moving contact driver plate on this are driven, to drive upper disconnecting switch to move by the linkage
Reversely linkage is moved along the installation slideway for contact and lower disconnecting switch moving contact.
3. longitudinal withdraw-type circuit breaker cart according to claim 2, it is characterised in that：It is additionally provided with the circuit breaker polar
One is approximately perpendicular to the directive slide track of the installation slideway, the pivot joint on this between moving contact driver plate and lower moving contact driver plate
Axle is slidable in the directive slide track, and then makes on this moving contact driver plate and the lower moving contact driver plate into " V " font
Structure.
4. longitudinal withdraw-type circuit breaker cart according to claim 2, it is characterised in that：It is additionally provided with the circuit breaker cart
One drive mechanism, the drive mechanism is connected on the linkage, to drive disconnecting switch on this by the linkage
Reversely linkage is moved along the installation slideway for moving contact and lower disconnecting switch moving contact.
5. longitudinal withdraw-type circuit breaker cart according to claim 4, it is characterised in that：The drive mechanism includes an isolation
Axle and driving crank, the driving crank are articulated on the circuit breaker polar；The two ends of the driving crank be connected respectively in
On the linkage and the isolation axle, by rotating the isolation axle, to swing the driving crank, so as to realize linkage
Driving.
6. longitudinal withdraw-type circuit breaker cart according to claim 1-5 any claims, it is characterised in that：The open circuit
Device handcart is provided with three groups of combined floodgate components；Three groups of combined floodgate components are pushed into the direction of breaker cabinet successively along the circuit breaker cart
Arrangement, and then the circuit breaker cart is longitudinally pulled out or is promoted in the breaker cabinet.
7. longitudinal withdraw-type circuit breaker cart according to claim 6, it is characterised in that：It is additionally provided with the circuit breaker cart
Multiple rollers, to pass through the roller-coaster.
8. longitudinal withdraw-type circuit breaker cart according to claim 7, it is characterised in that：The roller is located at the breaker hand
The bottom of car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710733103.2A CN107317254B (en) | 2017-08-24 | 2017-08-24 | Longitudinally-moving type circuit breaker handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710733103.2A CN107317254B (en) | 2017-08-24 | 2017-08-24 | Longitudinally-moving type circuit breaker handcart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107317254A true CN107317254A (en) | 2017-11-03 |
| CN107317254B CN107317254B (en) | 2023-06-30 |
Family
ID=60176108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710733103.2A Active CN107317254B (en) | 2017-08-24 | 2017-08-24 | Longitudinally-moving type circuit breaker handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107317254B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2547116A1 (en) * | 1974-10-21 | 1976-04-29 | Allis Chalmers | METAL ENCLOSED SWITCHING DEVICE WITH VACUUM BREAKERS |
| JP2001045618A (en) * | 1999-07-27 | 2001-02-16 | Mitsubishi Electric Corp | Disconnecting device of switch gear |
| CN101320891A (en) * | 2008-06-12 | 2008-12-10 | 高赟 | Side-installed shifting type high-tension switch cabinet |
| CN105609362A (en) * | 2016-03-03 | 2016-05-25 | 贝司特电气有限公司 | Insulating embedded vacuum circuit breaker for gas-filled tank |
| CN105932587A (en) * | 2016-06-30 | 2016-09-07 | 武汉中直电气股份有限公司 | DC fast circuit breaker trunk |
| CN106025894A (en) * | 2016-06-27 | 2016-10-12 | 江苏明及电气股份有限公司 | Removing type metal enclosed switchgear |
| CN207265526U (en) * | 2017-08-24 | 2018-04-20 | 协成科技股份有限公司 | Longitudinal withdraw-type circuit breaker cart |
-
2017
- 2017-08-24 CN CN201710733103.2A patent/CN107317254B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2547116A1 (en) * | 1974-10-21 | 1976-04-29 | Allis Chalmers | METAL ENCLOSED SWITCHING DEVICE WITH VACUUM BREAKERS |
| JP2001045618A (en) * | 1999-07-27 | 2001-02-16 | Mitsubishi Electric Corp | Disconnecting device of switch gear |
| CN101320891A (en) * | 2008-06-12 | 2008-12-10 | 高赟 | Side-installed shifting type high-tension switch cabinet |
| CN105609362A (en) * | 2016-03-03 | 2016-05-25 | 贝司特电气有限公司 | Insulating embedded vacuum circuit breaker for gas-filled tank |
| CN106025894A (en) * | 2016-06-27 | 2016-10-12 | 江苏明及电气股份有限公司 | Removing type metal enclosed switchgear |
| CN105932587A (en) * | 2016-06-30 | 2016-09-07 | 武汉中直电气股份有限公司 | DC fast circuit breaker trunk |
| CN207265526U (en) * | 2017-08-24 | 2018-04-20 | 协成科技股份有限公司 | Longitudinal withdraw-type circuit breaker cart |
Non-Patent Citations (1)
| Title |
|---|
| 赵硕伟等: "《特种作业（电工）培训教程》", 北京希望电子出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107317254B (en) | 2023-06-30 |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Peng Kaiken Inventor after: Xue Baogen Inventor after: Zhang Qun Inventor after: Lin Dan Inventor after: Lin Huate Inventor after: Huang Qiumin Inventor after: Cheng Nuo Inventor after: Zhang Zhenyu Inventor before: Peng Kaiken Inventor before: Xue Baogen Inventor before: Zhang Qun Inventor before: Lin Dan |
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| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |