CN202423938U - Closing interlock and capacitor cabinet - Google Patents
Closing interlock and capacitor cabinet Download PDFInfo
- Publication number
- CN202423938U CN202423938U CN2012200091859U CN201220009185U CN202423938U CN 202423938 U CN202423938 U CN 202423938U CN 2012200091859 U CN2012200091859 U CN 2012200091859U CN 201220009185 U CN201220009185 U CN 201220009185U CN 202423938 U CN202423938 U CN 202423938U
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- China
- Prior art keywords
- circuit breaker
- connecting plate
- lock pin
- lever
- breaker
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a closing interlock used for a circuit-breaker and a propulsion mechanism of the circuit-breaker. The closing interlock comprises a locking pin and a locking hole, wherein the locking pin vertically penetrates the bottom plate of the circuit-breaker; the upper end of the locking pin is hinged with a connecting plate, and the other end of the connecting plate is hinged with the lower moving end of a level crank; when the circuit-breaker is closed, the lower moving end of the lever crank move downwards; and the locking hole is formed on a long connecting plate of a trolley fixing frame, and is a projection of the locking pin on the long connecting plate when the circuit-breaker is located in an operation position and a testing position. When the circuit-breaker is closed in a specific station, the lower moving end of the lever crank moves downwards to drive the connecting plate to move downwards; the locking pin hinged with the connecting plate vertically moves downwards under the limitation of the bottom plate, and is inserted into the locking hole formed on the long connecting plate of the trolley fixing frame; and the circuit-breaker is locked in the specific station when in close. The utility model also discloses a capacitor cabinet including the closing interlock.
Description
Technical field
The utility model relates to the electroporation field, particularly relates to a kind of combined floodgate interlocking that is used for circuit breaker and propulsive mechanism thereof.In addition, the utility model also relates to a kind of capacitor box that comprises above-mentioned combined floodgate interlocking.
Background technology
Capacitor box is a kind of reactive power compensation device, and capacitor box generally includes cabinet shell, bus, circuit breaker, isolating switch, thermal relay, contactor, lightning arrester, capacitor, reactor, auto power-factor compensating control device, card instrument etc.
Circuit breaker be generally used in the capacitor box cutting off or shut-off circuit in operating current or fault current.Said circuit breaker has service position and two stations of test position in said capacitor box, and can between two stations, move.
Said circuit breaker when the service position, contact on the contact of capacitor box, the break-make of combined floodgate through said killer switch and separating brake realization circuit; Said capacitor box or said circuit breaker need overhaul or when detecting performance, said circuit breaker moved to test position along the track in the said capacitor box, and said circuit breaker is separated with the circuit that said capacitor box joins.
In order to ensure the safe operation in capacitor box of said circuit breaker, said circuit breaker must satisfy when in said capacitor box, working: have only when circuit breaker is positioned at test position or service position, just the switch of circuit breaker can close a floodgate and sub-switching operation; Behind said breaker closing, circuit breaker can't move.
In the said capacitor box, be generally said circuit breaker dolly and cart stationary frame are set, the leading screw that has level in the said cart stationary frame, said dolly have and said leading screw nut engaged, and said circuit breaker is arranged on the said dolly.When the station of said circuit breaker need change, back down the valve on the cart stationary frame, block the leading screw front end and shake leading screw, will do rectilinear motion, drive said dolly and said circuit breaker and change station with said leading screw nut engaged with crank.When said circuit breaker arrives the station of appointment, extract said crank.
Behind the said breaker closing, the said valve of interlock sealing then cannot use said crank to back down said valve, and at this moment, said nut and said leading screw self-locking make said circuit breaker be positioned at the appointment station, has realized that said circuit breaker is locked at the appointment station.
If the type of drive of dolly is changed into electronic, the mode of the said valve of above-mentioned sealing can not realize that said circuit breaker specifying station to be locked.
How making circuit breaker after all can realizing said breaker closing under arbitrary type of drive of dolly, specify station to be locked, is that those skilled in the art are badly in need of the technical problem that solves at present.
The utility model content
The purpose of the utility model provides a kind of combined floodgate interlocking that is used for circuit breaker and propulsive mechanism thereof, and this combined floodgate interlocking is specifying station to be locked after all can realizing said breaker closing under arbitrary type of drive of circuit breaker dolly.Another purpose of the utility model provides a kind of capacitor box that comprises above-mentioned combined floodgate interlocking.
In order to solve the problems of the technologies described above, the utility model provides a kind of combined floodgate interlocking, is used for circuit breaker and propulsive mechanism thereof; Comprise lock pin and lockhole; Said lock pin vertically passes the base plate of said circuit breaker, and the upper end and the connecting plate of said lock pin are hinged, the other end of said connecting plate and lever connecting lever move down the end hinged; During said breaker closing, the end position that moves down of said lever connecting lever moves down; Said lockhole is positioned on the long connecting plate of cart stationary frame, and said lockhole is the said lock pin projection on said length is won in succession when being in service position and test position of said circuit breaker.
Preferably, the end that moves down of said lever connecting lever has hinge, and said connecting plate and said lever connecting lever are hinged on said hinge.
Preferably, the base plate of said circuit breaker has boss, and said boss has the pin-and-hole that cooperates with said lock pin, and said lock pin passes said pin-and-hole when passing said base plate.
Preferably, said length is won in succession and is positioned at the upper end of said cart stationary frame, near the base plate of said circuit breaker.
The utility model also provides a kind of capacitor box, comprises the circuit breaker and the interlocking that closes a floodgate, and said combined floodgate interlocking is above-mentioned each described combined floodgate interlocking.
The combined floodgate interlocking that the utility model provides; Comprise lock pin and lockhole; Said lock pin vertically passes the base plate of said circuit breaker, and the upper end and the connecting plate of said lock pin are hinged, the other end of said connecting plate and lever connecting lever move down the end hinged; During said breaker closing, the end position that moves down of said lever connecting lever moves down; Said lockhole is positioned on the long connecting plate of cart stationary frame, and said lockhole is the said lock pin projection on said length is won in succession when being in service position and test position of said circuit breaker.
Capacitor box comprises circuit breaker, dolly and cart stationary frame; Said cart stationary frame is fixed in the said capacitor box; Said circuit breaker is installed on the said dolly, and said dolly is led by said cart stationary frame, and the said relatively cart stationary frame of said circuit breaker has service position and test position.During said breaker closing, said lever connecting lever one end position moves down.
Said circuit breaker is when specifying station to close a floodgate; Said lever connecting lever one end position moves down; And then drive said connecting plate and move down, the two ends of said connecting plate are hinged respectively, with the spacing down straight down motion of the hinged lock pin of said connecting plate at said base plate; Inserted the lockhole of the long connecting plate that is positioned at said cart stationary frame, said circuit breaker is locked in the station of appointment.No matter said dolly adopts the sort of type of drive, is specifying station to be locked when said combined floodgate interlocking can be realized said breaker closing.
In a kind of mode, the end that moves down of said lever connecting lever has hinge, and said connecting plate and said lever connecting lever are hinged on said hinge.
Said lock pin is hinged on the said lever connecting lever; Its articulated position need satisfy moving down apart from making said lock pin insert said lockhole of said lever connecting lever; And, when said breaker open operation, be moved back into original position in the said lever connecting lever interlock; Drive simultaneously on the said lock pin and move, in said lockhole, extract.
The connecting plate of said lock pin can be installed in the optional position of satisfying the lever connecting lever of above-mentioned condition, and the end that moves down of said lever connecting lever has hinge, and said connecting plate can be directly hinged with the axle of said hinge.
In the another kind of mode, the base plate of said circuit breaker has boss, and said boss has the pin-and-hole that cooperates with said lock pin, and said lock pin passes said pin-and-hole when passing said base plate.
The vertical motion of said lock pin is spacing by the base plate of said circuit breaker, can increase a said boss, and the pin-and-hole of said boss is that said lock pin is spacing, can better vertically lead for said lock pin.
The utility model also provides a kind of capacitor box, comprises above-mentioned combined floodgate interlocking, and this combined floodgate interlocking is specifying station to be locked after all can realizing said breaker closing under arbitrary type of drive of circuit breaker dolly.
Description of drawings
Interlock a kind of application sketch map of embodiment of the combined floodgate that Fig. 1 is provided for the utility model embodiment;
Fig. 2 is the structural representation of a kind of execution mode of combined floodgate shown in Figure 1 interlocking;
Fig. 3 is the end view of a kind of execution mode of combined floodgate shown in Figure 1 interlocking.
Embodiment
The core of the utility model provides a kind of combined floodgate interlocking that is used for circuit breaker and propulsive mechanism thereof, and this combined floodgate interlocking is specifying station to be locked after all can realizing said breaker closing under arbitrary type of drive of circuit breaker dolly.Another core of the utility model provides a kind of capacitor box that comprises above-mentioned combined floodgate interlocking.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 1 to Fig. 3; Interlock a kind of application sketch map of embodiment of the combined floodgate that Fig. 1 is provided for the utility model embodiment; Fig. 2 is the structural representation of a kind of execution mode of combined floodgate shown in Figure 1 interlocking, and Fig. 3 be the end view of combined floodgate shown in Figure 1 a kind of execution mode of interlocking.
In a kind of concrete execution mode, the utility model provides a kind of combined floodgate interlocking, is used for circuit breaker and propulsive mechanism thereof; Comprise lock pin 21 and lockhole 22; Said lock pin 21 vertically passes the base plate 13 of said circuit breaker 1, and the upper end of said lock pin 21 and connecting plate 23 are hinged, the other end of said connecting plate 23 and lever connecting lever 11 move down the end hinged; During said breaker closing, the end position that moves down of said lever connecting lever 11 moves down; Said lockhole 22 is positioned on the long connecting plate 31 of cart stationary frame 3, and said lock pin 21 was in the projection on 31 of winning in succession of said length when said lockhole 22 was in service position and test position for said circuit breaker 1.
Capacitor box comprises circuit breaker 1, dolly 4 and cart stationary frame 3; Said cart stationary frame 3 is fixed in the said capacitor box; Said circuit breaker 1 is installed on the said dolly 4, and said dolly 4 is by said cart stationary frame 3 guiding, and said circuit breaker 1 has service position and two stations of test position with respect to said cart stationary frame 3.
Said cart stationary frame 3 has horizontal screw lead, and said dolly 4 has and said leading screw nut engaged, changes the position of said dolly 4, can adopt the mode of the said leading screw of manual actuation, also can adopt the mode of the said nut of motorized motions.
Said circuit breaker 1 comprises lever connecting lever 11, and when said circuit breaker 1 closed a floodgate, said lever connecting lever 11 1 fragment position moved down.During said circuit breaker 1 separating brake, the end that moves down of said lever connecting lever 11 is got back to original position.
Said circuit breaker 1 is when specifying station to close a floodgate; Said lever connecting lever 11 positions move down; And then drive said connecting plate 23 and move down, the two ends of said connecting plate 23 are hinged with said lever connecting lever 11 with said lock pin 21 respectively, and said lock pin 21 is in the spacing motion straight down down of said base plate 13; Inserted the lockhole 22 on the long connecting plate 31 that is positioned at said cart stationary frame 3, said circuit breaker 1 is locked in the station of appointment when closing a floodgate.No matter said dolly 4 adopts the sort of type of drive, and said combined floodgate interlocking 2 can realize that said circuit breaker 1 is locked at the appointment station.
Not exclusively be straight down also when said connecting plate 23 moves down with said lever connecting lever 11 hinged positions; And said lock pin 21 needs to move straight down; Between said lever connecting lever 11 and said lock pin 21, carry out transition by said connecting plate 23; Rotation through said connecting plate 23 passes to said lock pin 21 with downward movement tendency, and 21 of said lock pins just insert said lockhole 22 by said base plate 13 spacing motions straight down.
In the another kind of concrete execution mode, the end that moves down of said lever connecting lever 11 has hinge 12, and said connecting plate 23 is hinged on said hinge 12 with said lever connecting lever 11.
Said lock pin 21 is hinged on moving down on the end of said lever connecting lever 11; The said lock pin 21 that moves down apart from can make that its articulated position need satisfy said lever connecting lever 11 inserts said lockhole 22; And, when said circuit breaker 1 separating brake, be moved back into original position in said lever connecting lever 11 interlocks; Drive simultaneously on the said lock pin 21 and move, in said lockhole 22, extract.
The connecting plate 23 of said lock pin 21 can be installed in the optional position of satisfying the said lever connecting lever 11 of above-mentioned condition, and said lever connecting lever 11 moves down the hinge 12 of end can directly install said connecting plate 23.Said circuit breaker 1 is when specifying station to close a floodgate, and the said lock pin 21 of the drive of interlock inserts said lockhole 22 with said circuit breaker 1 locking.
In a kind of preferred embodiment, the base plate 13 of said circuit breaker 1 has boss 14, and said boss 14 has the pin-and-hole that cooperates with said lock pin 21, and said lock pin 21 passes said pin-and-hole when passing said base plate 13.
The vertical motion of said lock pin 21 is spacing by the base plate 12 of said circuit breaker 1, can increase a said boss 14, and the pin-and-hole of said boss 14 is that said lock pin 21 is spacing, can better be that said lock pin 21 vertically leads.
The contact length of the pin-and-hole of said boss 14 and said lock pin 21 is greater than the contact length of said base plate 13 with said lock pin 21, and the guide effect of said boss 14 is better.
Certainly, the mode that leads for said lock pin 21 not only is confined to increase said boss 14, and other can also can be applied in the utility model for the mode and the structure of said lock pin 21 guiding.
In the further concrete execution mode, said length win in succession 31 be positioned at said cart stationary frame 3 the upper end, near the base plate 13 of said circuit breaker 1.
The leading screw of said cart stationary frame 3 is said dolly guiding; Said nut matches with said leading screw; Rotatablely moving of said leading screw converts the rectilinear motion of said nut into; The move mode of said dolly 4 can adopt manual actuation also can adopt motorized motions, and any one type of drive can not influence said combined floodgate interlocking 2 said circuit breaker 1 is locked in the appointment station.
Said lockhole 22 on the long connecting plate 31 of said cart stationary frame 3 is near more from said circuit breaker 1; Just can reduce the length of said lock pin 21; Oversize lock pin 21 has bigger deflection deformation; So it is good more the closer to said circuit breaker 1 that the long connecting plate 31 of said cart stationary frame 3 is positioned at said dolly 4 tops.
Except above-mentioned combined floodgate interlocking, the utility model also provides a kind of capacitor box that comprises above-mentioned combined floodgate interlocking, and the structure of these other each several parts of capacitor box please refer to prior art, and this paper repeats no more.
More than the capacitor box that the utility model provided and the interlocking that closes a floodgate thereof have been carried out detailed introduction.Used concrete example among this paper the principle and the execution mode of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (5)
1. the interlocking that closes a floodgate is used for circuit breaker and propulsive mechanism thereof, it is characterized in that; Comprise lock pin (21) and lockhole (22); Said lock pin (21) vertically passes the base plate (13) of said circuit breaker (1), and the upper end of said lock pin (21) and connecting plate (23) are hinged, the other end of said connecting plate (23) and lever connecting lever (11) move down the end hinged; During said breaker closing, the end position that moves down of said lever connecting lever (11) moves down; Said lockhole (22) is positioned on the long connecting plate (31) of cart stationary frame (3), the projection of said lock pin (21) on said length is won (31) in succession when said lockhole (22) is in service position and test position for said circuit breaker (1).
2. combined floodgate interlocking as claimed in claim 1 is characterized in that, the end that moves down of said lever connecting lever (11) has hinge (12), and said connecting plate (23) is hinged on said hinge (12) with said lever connecting lever (11).
3. combined floodgate interlocking as claimed in claim 2; It is characterized in that; The base plate (13) of said circuit breaker (1) has boss (14), and said boss (14) has the pin-and-hole that cooperates with said lock pin (21), and said lock pin (21) passes said pin-and-hole when passing said base plate (13).
4. like each described combined floodgate interlocking of claim 1 to 3, it is characterized in that, said length win in succession (31) be positioned at the upper end of said cart stationary frame (3), near the base plate (13) of said circuit breaker (1).
5. a capacitor box comprises circuit breaker (1) and the interlocking (2) that closes a floodgate, and it is characterized in that, said combined floodgate interlocking (2) is each described combined floodgate interlocking of claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200091859U CN202423938U (en) | 2012-01-10 | 2012-01-10 | Closing interlock and capacitor cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200091859U CN202423938U (en) | 2012-01-10 | 2012-01-10 | Closing interlock and capacitor cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202423938U true CN202423938U (en) | 2012-09-05 |
Family
ID=46748664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200091859U Expired - Fee Related CN202423938U (en) | 2012-01-10 | 2012-01-10 | Closing interlock and capacitor cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202423938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110462950A (en) * | 2017-05-19 | 2019-11-15 | Abb瑞士股份有限公司 | Circuit breaker chassis |
| CN112928685A (en) * | 2021-03-05 | 2021-06-08 | 四川秦巴电气有限责任公司 | Circuit breaker handcart interlocking mechanism |
-
2012
- 2012-01-10 CN CN2012200091859U patent/CN202423938U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110462950A (en) * | 2017-05-19 | 2019-11-15 | Abb瑞士股份有限公司 | Circuit breaker chassis |
| CN112928685A (en) * | 2021-03-05 | 2021-06-08 | 四川秦巴电气有限责任公司 | Circuit breaker handcart interlocking mechanism |
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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 |
Granted publication date: 20120905 Termination date: 20150110 |
|
| EXPY | Termination of patent right or utility model |