CN204011153U - Ring main unit operation interlocking device - Google Patents
Ring main unit operation interlocking device Download PDFInfo
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- CN204011153U CN204011153U CN201420423444.1U CN201420423444U CN204011153U CN 204011153 U CN204011153 U CN 204011153U CN 201420423444 U CN201420423444 U CN 201420423444U CN 204011153 U CN204011153 U CN 204011153U
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- Prior art keywords
- ground connection
- isolation
- locking part
- main unit
- ring main
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- 238000010977 unit operation Methods 0.000 title claims abstract description 23
- 238000002955 isolation Methods 0.000 claims abstract description 153
- 125000006850 spacer group Chemical group 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a kind of ring main unit operation interlocking device, and it comprises plate after mechanism's header board, mechanism, isolated operation assembly and ground connection operating assembly; Described isolated operation assembly comprises that isolated operation axle, isolation connecting axle, isolation master gear, isolation are from gear, isolation locking part, isolation guide vane end stop, isolation retainer spring, isolation spacer pin; Described ground connection operational group comprises that ground connection operating axis, grounding connection axle, ground connection master gear, ground connection are from gear, ground connection locking part, ground connection guide vane end stop, ground connection retainer spring, ground connection spacer pin; The outer circular edge of described isolation locking part and described ground connection locking part offers respectively the first arc notch and the second arc notch, and described the first arc notch coordinates with the cylindrical of described ground connection locking part or described the second arc notch coordinates with the cylindrical of described isolation locking part.The utility model ring main unit operation interlocking device has advantages of compact conformation, safe and reliable.
Description
Technical field
The utility model relates to a kind of ring network power supply safety means, relates in particular to a kind of compact conformation, safe and reliable ring main unit operation interlocking device.
Background technology
Current urban electricity supply network mainly adopts ring network power supply pattern, and ring network power supply pattern can improve the reliability of power supply, and user can obtain power supply from two ends, the power failure area of minimizing accident; Loop-network switch cabinet is exactly the medium-voltage equipment for ring network power supply, typical primary connection mode is: main bus bar powers on and flows through isolating switch (containing earthed switch), vacuum circuit-breaker to outgoing line interval, and the equipment such as current transformer, cable termination are housed in outgoing line interval.Loop-network switch cabinet core is exactly vacuum circuit-breaker, isolating switch, earthed switch, according to the relevant standard-required of switchgear, switch cubicle should have perfect anti-error mechanical interlocks: have the mistake of preventing and minute close circuit breaker by mistake, prevent on-load deciliter isolating switch, prevent cutter with ground (or earth connection) power transmission, prevent from chargedly closing earthing (or hanging earthing conductor), preventing " five the is anti-" functions such as mistakenly entering charged chamber, can effectively prevent the generation of electric fault-operation accident.
Yet, existing loop-network switch cabinet interlock, because the operating position of its isolating switch, vacuum circuit-breaker, earthed switch disperses relatively, each operating mechanism is relatively independent, relies on each other some linkages to interlock, and interlock part is relatively many, the more open complexity of structure, easy break-down, maintenance workload is large, and device reliability is low.
Utility model content
The purpose of this utility model is to provide a kind of compact conformation, safe and reliable ring main unit operation interlocking device.
To achieve these goals, the ring main unit operation interlocking device that the utility model provides comprises plate after mechanism's header board, mechanism, isolated operation assembly and ground connection operating assembly; Described isolated operation assembly comprises that isolated operation axle, isolation connecting axle, isolation master gear, isolation are from gear, isolation locking part, isolation guide vane end stop, isolation retainer spring, isolation spacer pin; Described isolated operation axle, described isolation connecting axle are articulated in after described mechanism header board and described mechanism on plate, and described isolation master gear, described isolation locking part, described isolation guide vane end stop are socketed in respectively on described isolated operation axle regularly; Described isolation spacer pin is fixed on after described mechanism on plate, and described isolation retainer spring is connected to after described isolation guide vane end stop and described mechanism between plate; Described isolation is socketed in described isolation connecting axle regularly from gear, and described isolation master gear and described isolation are meshed from gear; Described ground connection operational group comprises that ground connection operating axis, grounding connection axle, ground connection master gear, ground connection are from gear, ground connection locking part, ground connection guide vane end stop, ground connection retainer spring, ground connection spacer pin; Described ground connection operating axis, described grounding connection axle are articulated in after described mechanism header board and described mechanism on plate, and described ground connection master gear, described ground connection locking part, described ground connection guide vane end stop are socketed in respectively on described ground connection operating axis regularly; Described ground connection spacer pin is fixed on after described mechanism on plate, described ground connection retainer spring is connected to after described ground connection guide vane end stop and described mechanism between plate, described ground connection is socketed in described grounding connection axle regularly from gear, and described ground connection master gear and described ground connection are meshed from gear; The outer circular edge of described isolation locking part and described ground connection locking part offers respectively the first arc notch and the second arc notch, and described the first arc notch coordinates with the cylindrical of described ground connection locking part or described the second arc notch coordinates with the cylindrical of described isolation locking part; Angle between the center line of the center line of described the first arc notch and described the second arc notch equates with the spacing angle of described isolation guide vane end stop and described ground connection guide vane end stop.
Compared with prior art, because the utility model arranges described isolation locking part and ground connection locking part on described isolated operation axle and described ground connection operating axis, and offer respectively the first arc notch and the second arc notch by the outer circular edge at described isolation locking part and described ground connection locking part, the wherein one of the first arc notch of described isolation locking part and the second arc notch of described ground connection locking part is coordinated with the cylindrical of another one, thereby make the wherein one of described isolation locking part and described ground connection locking part realize locking, and another one is in released state, and then the both normal work of implement device, can make again whole device more safe and reliable, avoid the generation of misoperation, and whole apparatus structure is compact, volume is little, fault is little, safeguard simple and convenient.
Preferably, described isolated operation assembly also comprises isolation indication connecting lever, isolation roller, isolation indicator board and isolation back-moving spring, one end of described isolation indication connecting lever is fixedly connected with described isolated operation axle, described isolation roller is articulated in the other end of described isolation indication connecting lever, described isolation indicator board is articulated on described mechanism header board, described isolation back-moving spring is arranged between described isolation indicator board and described mechanism header board, so that described isolation indicator board keeps and described isolation roller conflicting, on described isolation indicator board, be respectively equipped with minute, close indicator.Utilize described isolation indication connecting lever and described isolation back-moving spring, can make described isolation indicator board keep being associated with described isolated operation axle, thereby guarantee that described isolation indicator board can correctly point out described isolated operation assembly current state, prevent the generation of misoperation.
Preferably, described ground connection operating assembly also comprises ground connection indication connecting lever, ground connection roller, ground connection indicator board and ground connection back-moving spring, one end of described ground connection indication connecting lever is fixedly connected with described ground connection operating axis, described ground connection roller is articulated in the other end of described ground connection indication connecting lever, described ground connection indicator board is articulated on described mechanism header board, described ground connection back-moving spring is arranged between described ground connection indicator board and described mechanism header board, so that described ground connection indicator board keeps and described ground connection roller conflicting, on described ground connection indicator board, be respectively equipped with minute, close indicator.Utilize described ground connection indication connecting lever and described ground connection back-moving spring, can make described ground connection indicator board keep being associated with described ground connection operating axis, thereby guarantee that described ground connection indicator board can correctly point out described ground connection operating assembly current state, prevent the generation of misoperation.
Preferably, described ring main unit operation interlocking device also comprises gate interlock assembly, and described couplet on the door pin assemblies comprises gate interlock connecting lever, mount pad and interlocking latch; Described mount pad is fixed on described mechanism header board, and described gate interlock connecting lever is fixedly connected with described ground connection operating axis; In described mount pad, be provided with the first sliding eye, described interlocking latch is placed in described the first sliding eye slidably; Described interlocking latch optionally locks the cabinet door of described gate interlock connecting lever and ring main unit by self two ends.Utilize described gate interlock assembly can make described cabinet door and described ground connection operating assembly associate, and when described ground connection operating assembly ground connection, just can open described cabinet door, thereby prevent that staff is strayed into described ring main unit not in the situation that, guarantee the safe and reliable of operation.
Particularly, described gate interlock connecting lever has and stops that described interlocking latch stretches out the bizet of described the first sliding eye and for the depression of described interlocking latch engaging.By described bizet is set, described bizet can make described ground connection operating assembly when ungrounded, support described interlocking latch, thereby makes described cabinet door keep the state of locking.
More specifically, described gate interlock assembly also comprises the first elastic component, and described the first elastic component is arranged in the first sliding eye and promotes the locking of described interlocking latch disengaging and described gate interlock connecting lever.Described the first elastic component is set can make described interlocking latch automatically described gate interlock connecting lever be carried out to release.
More specifically, described gate interlock assembly also comprises slide block and connecting rod; In described mount pad, offer the second sliding eye mutual vertical with described the first sliding eye and that be communicated with, described slide block is built in slidably in described the second sliding eye and is connected with described connecting rod, and described connecting rod stretches out described the second sliding eye and is connected with described cabinet door; Described slide block has the pushing tow inclined-plane that makes described interlocking latch stretch out described the first sliding eye.By slide block and connecting rod are set, described slide block can make also can operate described interlocking latch with the axial vertical power of described interlocking latch, and therefore, described interlocking latch can be realized associated with the described cabinet door that is positioned at one side.
More specifically, described gate interlock assembly also comprises the second elastic component, described the second elastic component is arranged at slide block in described the second sliding eye and described in pushing tow, the elastic force of described the second elastic component is greater than the elastic force of described the first elastic component, to stretch out described the first sliding eye by interlocking latch described in described slipper push, make described interlocking latch be sticked in described depression.By described the second elastic component is set, and described the second elastic component is larger than the elastic force of described the first elastic component, therefore, when described interlocking latch locks described gate interlock connecting lever, described in described, interlocking latch is away from described slide block, thereby makes described slide block and described connecting rod automatically described cabinet door be carried out to automatic unlocking simultaneously.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of the utility model ring main unit operation interlocking device.
Fig. 2 is the structure chart in the outside of plate after mechanism described in the utility model ring main unit operation interlocking device.
Fig. 3 is the structure chart in the outside of mechanism's header board described in the utility model ring main unit operation interlocking device.
Fig. 4 is that the utility model ring main unit operation interlocking device is along the cutaway view of A-A direction in Fig. 1.
Embodiment
For the effect that describes technology contents of the present utility model, structural feature in detail, realizes, below in conjunction with execution mode and coordinate accompanying drawing to be explained in detail.
As shown in Figures 1 to 4, the utility model ring main unit operation interlocking device 100 comprises plate 2 after mechanism's header board 1, mechanism, isolated operation assembly 3, ground connection operating assembly 4 and gate interlock assembly 5.
Refer to Fig. 1, Fig. 2 and Fig. 3, described isolated operation assembly 3 comprises that isolated operation axle 301, isolation connecting axle 302, isolation master gear 303, isolation are from gear 304, isolation locking part 305, isolation guide vane end stop 306, isolation retainer spring 307, isolation spacer pin 308 again; Described isolated operation axle 301, described isolation connecting axle 302 are articulated in after described mechanism header board 1 and described mechanism on plate 2, and described isolation master gear 303, described isolation locking part 305, described isolation guide vane end stop 306 are socketed in respectively on described isolated operation axle 301 regularly; Described isolation guide vane end stop 306 have can with described isolation spacer pin 308 support minute, close confined planes 306a, 306b; Described isolation spacer pin 308 is fixed on after described mechanism on plate 2, and described isolation retainer spring 307 is connected to after described isolation guide vane end stop 306 and described mechanism between plate 2; Described isolation is socketed in described isolation connecting axle 302 regularly from gear 304, and described isolation master gear 303 meshes from gear 304 with described isolation.
Refer to Fig. 1, Fig. 2 and Fig. 3, described ground connection operational group 4 comprises that ground connection operating axis 401, grounding connection axle 402, ground connection master gear 403, ground connection are from gear 404, ground connection locking part 405, ground connection guide vane end stop 406, ground connection retainer spring 407, ground connection spacer pin 408 again; Described ground connection operating axis 401, described grounding connection axle 402 are articulated in after described mechanism header board 1 and described mechanism on plate 2, and described ground connection master gear 403, described ground connection locking part 405, described ground connection guide vane end stop 406 are socketed in respectively on described ground connection operating axis 401 regularly; Described ground connection guide vane end stop 406 have can with described ground connection spacer pin 408 support minute, close confined planes 406a, 406b; Described ground connection spacer pin 408 is fixed on after described mechanism on plate 2, described ground connection retainer spring 407 is connected to after described ground connection guide vane end stop 406 and described mechanism between plate 2, described ground connection is socketed in described grounding connection axle 402 regularly from gear 404, and described ground connection master gear 403 meshes from gear 404 with described ground connection.
Refer to again Fig. 3, the outer circular edge of described isolation locking part 305 and described ground connection locking part 405 offers respectively the first arc notch 305a and the second arc notch 405a, and described the first arc notch 305a coordinates with the cylindrical of described ground connection locking part 405 or described the second arc notch 405a coordinates with the cylindrical of described isolation locking part 305; Angle theta between the center line of the center line of described the first arc notch 305a and described the second arc notch 405a equates with the spacing angle [alpha] of described isolation guide vane end stop 306 and described ground connection guide vane end stop 406.
In conjunction with Fig. 1 and Fig. 2, refer to again Fig. 3, described isolated operation assembly 3 also comprises isolation indication connecting lever 309, isolation roller 310, isolation indicator board 311 and isolation back-moving spring 312, one end of described isolation indication connecting lever 309 is fixedly connected with described isolated operation axle 301, described isolation roller 310 is articulated in the other end of described isolation indication connecting lever 309, described isolation indicator board 311 is articulated on described mechanism header board 1, described isolation back-moving spring 312 is arranged between described isolation indicator board 311 and described mechanism header board 1, so that described isolation indicator board 311 keeps conflicting with described isolation roller 310, on described isolation indicator board 311, be respectively equipped with minute, close indicator 311a, 311b.Utilize described isolation indication connecting lever 309 and described isolation back-moving spring 312, can make described isolation indicator board 309 keep being associated with described isolated operation axle 301, thereby guarantee that described isolation indicator board 311 can correctly point out described isolated operation assembly 3 current state, prevent the generation of misoperation.
In conjunction with Fig. 1 and Fig. 2, refer to again Fig. 3, described ground connection operating assembly 4 also comprises ground connection indication connecting lever 409, ground connection roller 410, ground connection indicator board 411 and ground connection back-moving spring 412, one end of described ground connection indication connecting lever 409 is fixedly connected with described ground connection operating axis 401, described ground connection roller 410 is articulated in the other end of described ground connection indication connecting lever 409, described ground connection indicator board 411 is articulated on described mechanism header board 1, described ground connection back-moving spring 412 is arranged between described ground connection indicator board 411 and described mechanism header board 1, so that described ground connection indicator board 411 keeps conflicting with described ground connection roller 410, on described ground connection indicator board 411, be respectively equipped with minute, close indicator 411a, 411b.Utilize described ground connection indication connecting lever 409 and described ground connection back-moving spring 412, can make described ground connection indicator board 411 keep being associated with described ground connection operating axis 401, thereby guarantee that described ground connection indicator board 411 can correctly point out described ground connection operating assembly 4 current state, prevent the generation of misoperation.
In conjunction with Fig. 1, refer to again Fig. 4, described gate interlock assembly 5 is after described mechanism header board 1 and described mechanism between plate 2, and described couplet on the door pin assemblies 5 comprises gate interlock connecting lever 51, mount pad 52, interlocking latch 53, the first elastic component 54, slide block 55, connecting rod 56 and the second elastic component 57.Described mount pad 52 is fixed on described mechanism header board 1, and described gate interlock connecting lever 51 is fixedly connected with described ground connection operating axis 401; In described mount pad 52, be provided with the first sliding eye 521, described interlocking latch 53 is placed in described the first sliding eye 521 slidably; Described interlocking latch 53 can stretch out to arbitrary end at the two ends of described the first sliding eye 521, and one end of described interlocking latch 53 stretches out that described the first sliding eye 521 is interior can the described gate interlock connecting lever 51 of locking.Particularly, described gate interlock connecting lever 51 has the depression 512 that stops that described interlocking latch 53 stretches out the bizet 511 of described the first sliding eye 521 and supplies described interlocking latch 53 to engage, the arc angle of described bizet 511 equals the spacing angle of described ground connection guide vane end stop 406, and described depression 512 is positioned at the side of one end of described bizet 511.By described bizet 511 is set, described bizet 511 can make described ground connection operating assembly 4 when ungrounded, support described interlocking latch 53, thereby makes the first sliding eye 521 described in described interlocking latch 53 retractions.Described the first elastic component 54 is arranged in the first sliding eye 521 and promotes the locking of described interlocking latch 53 disengagings and described gate interlock connecting lever 51.Described the first elastic component 54 is set can make described interlocking latch 53 automatically described gate interlock connecting lever 51 be carried out to release.In described mount pad 52, offer the second sliding eye 522 mutual vertical with described the first sliding eye 521 and that be communicated with, described slide block 55 is built in slidably in described the second sliding eye 522 and is connected with described connecting rod 56, and described connecting rod 56 stretches out described the second sliding eye 522 and is connected with described cabinet door.Described slide block 55 has the pushing tow inclined-plane 551 that makes described interlocking latch 53 stretch out described the first sliding eye 521.Described the second elastic component 57 is arranged at slide block 55 in described the second sliding eye 522 and described in pushing tow, the elastic force of described the second elastic component 57 is greater than the elastic force of described the first elastic component 54, to promote described interlocking latch 53 by described slide block 55, stretch out described the first sliding eye 521, make described interlocking latch 53 be sticked in described depression 512.By slide block 55 and connecting rod 56 are set, described slide block 55 can make also can operate described interlocking latch 53 with the axial vertical power of described interlocking latch 53, and therefore, described interlocking latch 53 can be realized associated with the described cabinet door that is positioned at one side.By described the second elastic component 57 is set, and described the second elastic component 57 is larger than the elastic force of described the first elastic component 54, therefore, when 53 pairs of described gate interlock connecting lever 51 lockings of described interlocking latch, described interlocking latch 53 is away from described slide block 55, thereby utilize slide block 55 described in described the second elastic component 57 pushing tows, make 56 pairs of described cabinet doors of described slide block 55 and described connecting rod carry out automatic unlocking.By utilizing described gate interlock 53 assemblies, can make described cabinet door and described ground connection operating assembly 4 associate, and when described ground connection operating assembly 4 ground connection, just can open described cabinet door and lock ground connection operating assembly 4 simultaneously, thereby prevent that staff is strayed into described ring main unit not in the situation that, or after entering ring main unit, disconnect mistakenly ground connection, guarantee the safe and reliable of operation.
In conjunction with above-mentioned and by reference to the accompanying drawings, below the operation principle of the utility model ring main unit operation interlocking device 100 is described in detail, as follows:
When described ring main unit is during in ground state, a minute confined planes 306a for described isolation guide vane end stop 306 is resisted against described isolation spacer pin 308, and described isolation connecting axle 302 makes isolating switch (not shown) in a minute operating state; And the confined planes 406b that closes of described ground connection guide vane end stop 406 is resisted against on described ground connection spacer pin 408, described grounding connection axle 402 makes earthed switch in closing operating state.Meanwhile, the first arc notch 305a of described isolation locking part 305 coordinates with the cylindrical of described ground connection locking part 405, and 305 of described isolation locking parts are in the lock state, and described ground connection locking part 405 is in state free to rotate; At this moment, described isolation indication connecting lever 309 is supported described isolation indicator board 311 and is made described isolation indicator board 311 demonstration minute indicator 311a; Described ground connection indication connecting lever 409 is supported described ground connection indicator board 411 makes described ground connection indicator board 411 demonstrations close indicator 411b.Meanwhile, depression 512 on described gate interlock connecting lever 51 is aimed at described the first sliding eye 521, described the second elastic component 57 promotes described slide block 55 and moves, described in described slide block 55 pushing tows, interlocking latch 53 makes described interlocking latch 53 stretch out described the first sliding eye 521 and to be inserted in described depression 512 interior to 51 lockings of described gate interlock connecting lever, and described connecting rod 56 is simultaneously to the release of described cabinet door; Now, whole ring main unit can be opened cabinet door in ground state and operating personnel and enter operation.
When described ring main unit need to be isolated, described cabinet door is closed, described cabinet door drives described connecting rod 56 while closing, thereby make described connecting rod 56 drive described slide block 55 slide and compress described the second elastic component 57 along the Way out of described the second sliding eye 522,53 of described interlocking latches under the elastic reaction of described the first elastic component 54 described in retraction the first sliding eye 521 depart from the depression 512 of described gate interlock connecting lever 51 simultaneously; At this moment, ground connection operating axis 401 described in hand rotation, described ground connection operating axis 401 rotates and drives described ground connection master gear 403, described ground connection locking part 405 and ground connection guide vane end stop 406 to rotate, described ground connection master gear 403 drives described ground connection from gear 404, and described ground connection drives described grounding connection axle 402 to rotate from gear 404; When the second arc notch 405a of described ground connection locking part 405 and the first arc notch 305a of described isolation locking part 305 over against time, at this moment a minute confined planes 406a for described ground connection guide vane end stop 406 is resisted against described ground connection spacer pin 408, described grounding connection axle 402 makes earthed switch in a minute state, and earthed circuit disconnects; And the bizet 511 of described gate interlock connecting lever 51, over against described the first sliding eye 521, stops that described interlocking latch 53 stretches out; And ground connection indicator board 411 described in described ground connection indication connecting lever 409 pushing tows, a minute indicator 411a for described ground connection indicator board 411 is shown; In addition, meanwhile, described isolation locking part 305 releases, under the elastic force effect of described isolation retainer spring 307, described isolation guide vane end stop 306 rotations and described isolation guide vane end stop 306 close confined planes 306b and are resisted against described isolation spacer pin 308, described isolation master gear 303 drives described isolation from gear 304, and described isolation drives described isolation connecting axle 302 from gear 304, and described isolation connecting axle 302 makes the state of isolating switch (not shown) in closing; Described 309 of connecting levers of isolation indication promote described isolation indicator board 311 simultaneously and rotate, and the indicator 311b that closes of described isolation indicator board 311 is shown.The cylindrical of last described isolation locking part 305 coordinates with the second arc notch 405a of described ground connection locking part 405, at this moment, described isolated operation assembly 3 is in operable state, described ground connection operating assembly 4 is in the lock state, described cabinet door is in the lock state, whole ring main unit, by external staff and the isolation of interior electrical equipment, can be used safely.
Compared with prior art, because the utility model arranges described isolation locking part 305 and ground connection locking part 405 on described isolated operation axle 301 and described ground connection operating axis 401, and offer respectively the first arc notch 305a and the second arc notch 405a by the outer circular edge at described isolation locking part 305 and described ground connection locking part 405, the wherein one of the first arc notch 305a of described isolation locking part 305 and the second arc notch 405a of described ground connection locking part 405 is coordinated with the cylindrical of another one, thereby make the wherein one of described isolation locking part 305 and described ground connection locking part 405 realize locking, and another one is in released state, and then the both normal work of implement device, can make again whole device more safe and reliable, avoid the generation of misoperation, and whole apparatus structure is compact, volume is little, fault is little, safeguard simple and convenient.
Above disclosed is only preferred embodiments of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (8)
1. a ring main unit operation interlocking device, comprises plate after mechanism's header board, mechanism, isolated operation assembly and ground connection operating assembly, it is characterized in that:
Described isolated operation assembly comprises that isolated operation axle, isolation connecting axle, isolation master gear, isolation are from gear, isolation locking part, isolation guide vane end stop, isolation retainer spring, isolation spacer pin; Described isolated operation axle, described isolation connecting axle are articulated in after described mechanism header board and described mechanism on plate, and described isolation master gear, described isolation locking part, described isolation guide vane end stop are socketed in respectively on described isolated operation axle regularly; Described isolation spacer pin is fixed on after described mechanism on plate, and described isolation retainer spring is connected to after described isolation guide vane end stop and described mechanism between plate; Described isolation is socketed in described isolation connecting axle regularly from gear, and described isolation master gear and described isolation are meshed from gear;
Described ground connection operational group comprises that ground connection operating axis, grounding connection axle, ground connection master gear, ground connection are from gear, ground connection locking part, ground connection guide vane end stop, ground connection retainer spring, ground connection spacer pin; Described ground connection operating axis, described grounding connection axle are articulated in after described mechanism header board and described mechanism on plate, and described ground connection master gear, described ground connection locking part, described ground connection guide vane end stop are socketed in respectively on described ground connection operating axis regularly; Described ground connection spacer pin is fixed on after described mechanism on plate, described ground connection retainer spring is connected to after described ground connection guide vane end stop and described mechanism between plate, described ground connection is socketed in described grounding connection axle regularly from gear, and described ground connection master gear and described ground connection are meshed from gear;
The outer circular edge of described isolation locking part and described ground connection locking part offers respectively the first arc notch and the second arc notch, and described the first arc notch coordinates with the cylindrical of described ground connection locking part or described the second arc notch coordinates with the cylindrical of described isolation locking part; Angle between the center line of the center line of described the first arc notch and described the second arc notch equates with the spacing angle of described isolation guide vane end stop and described ground connection guide vane end stop.
2. ring main unit operation interlocking device as claimed in claim 1, it is characterized in that: described isolated operation assembly also comprises isolation indication connecting lever, isolation roller, isolation indicator board and isolation back-moving spring, one end of described isolation indication connecting lever is fixedly connected with described isolated operation axle, described isolation roller is articulated in the other end of described isolation indication connecting lever, described isolation indicator board is articulated on described mechanism header board, described isolation back-moving spring is arranged between described isolation indicator board and described mechanism header board, so that described isolation indicator board keeps and described isolation roller conflicting, on described isolation indicator board, be respectively equipped with minute, close indicator.
3. ring main unit operation interlocking device as claimed in claim 1, it is characterized in that: described ground connection operating assembly also comprises ground connection indication connecting lever, ground connection roller, ground connection indicator board and ground connection back-moving spring, one end of described ground connection indication connecting lever is fixedly connected with described ground connection operating axis, described ground connection roller is articulated in the other end of described ground connection indication connecting lever, described ground connection indicator board is articulated on described mechanism header board, described ground connection back-moving spring is arranged between described ground connection indicator board and described mechanism header board, so that described ground connection indicator board keeps and described ground connection roller conflicting, on described ground connection indicator board, be respectively equipped with minute, close indicator.
4. ring main unit operation interlocking device as claimed in claim 1, is characterized in that: described ring main unit operation interlocking device also comprises gate interlock assembly, and described couplet on the door pin assemblies comprises gate interlock connecting lever, mount pad and interlocking latch; Described mount pad is fixed on described mechanism header board, and described gate interlock connecting lever is fixedly connected with described ground connection operating axis; In described mount pad, be provided with the first sliding eye, described interlocking latch is placed in described the first sliding eye slidably; Described interlocking latch optionally locks the cabinet door of described gate interlock connecting lever and ring main unit by self two ends.
5. ring main unit operation interlocking device as claimed in claim 4, is characterized in that: described gate interlock connecting lever has and stops that described interlocking latch stretches out the bizet of described the first sliding eye and for the depression of described interlocking latch engaging.
6. ring main unit operation interlocking device as claimed in claim 5, is characterized in that: described gate interlock assembly also comprises the first elastic component, and described the first elastic component is arranged in the first sliding eye and promotes the locking of described interlocking latch disengaging and described gate interlock connecting lever.
7. ring main unit operation interlocking device as claimed in claim 6, is characterized in that: described gate interlock assembly also comprises slide block and connecting rod; In described mount pad, offer the second sliding eye mutual vertical with described the first sliding eye and that be communicated with, described slide block is built in slidably in described the second sliding eye and is connected with described connecting rod, and described connecting rod stretches out described the second sliding eye and is connected with described cabinet door; Described slide block has the pushing tow inclined-plane that makes described interlocking latch stretch out described the first sliding eye.
8. ring main unit operation interlocking device as claimed in claim 7, it is characterized in that: described gate interlock assembly also comprises the second elastic component, described the second elastic component is arranged at slide block in described the second sliding eye and described in pushing tow, and the elastic force of described the second elastic component is greater than the elastic force of described the first elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423444.1U CN204011153U (en) | 2014-07-29 | 2014-07-29 | Ring main unit operation interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423444.1U CN204011153U (en) | 2014-07-29 | 2014-07-29 | Ring main unit operation interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011153U true CN204011153U (en) | 2014-12-10 |
Family
ID=52051116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420423444.1U Expired - Lifetime CN204011153U (en) | 2014-07-29 | 2014-07-29 | Ring main unit operation interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011153U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006399A (en) * | 2015-07-10 | 2015-10-28 | 镇江华源晋昌电器有限公司 | Limiting device for high-voltage isolating switch three-station operation mechanism |
| CN105742091A (en) * | 2016-03-27 | 2016-07-06 | 梁作鹏 | Five-prevention interlocking operation mechanism of switch cabinet |
-
2014
- 2014-07-29 CN CN201420423444.1U patent/CN204011153U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006399A (en) * | 2015-07-10 | 2015-10-28 | 镇江华源晋昌电器有限公司 | Limiting device for high-voltage isolating switch three-station operation mechanism |
| CN105742091A (en) * | 2016-03-27 | 2016-07-06 | 梁作鹏 | Five-prevention interlocking operation mechanism of switch cabinet |
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