CN205104817U - Withdrawable circuit -breaker isolated location interlock - Google Patents
Withdrawable circuit -breaker isolated location interlock Download PDFInfo
- Publication number
- CN205104817U CN205104817U CN201520746689.2U CN201520746689U CN205104817U CN 205104817 U CN205104817 U CN 205104817U CN 201520746689 U CN201520746689 U CN 201520746689U CN 205104817 U CN205104817 U CN 205104817U
- Authority
- CN
- China
- Prior art keywords
- actuator
- circuit breaker
- interlock
- position indication
- indication piece
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a withdrawable circuit -breaker isolated location interlock, including setting up position indicator spare, at least one locking piece on the drawout chassis and making the moving part, each locking piece linkage is had an effect with position indicator spare through making the moving part, and position indicator spare circumference lateral wall is equipped with at least one groove of stepping down, is equipped with the arch on making the moving part, and when the circuit breaker was in separation or test position, the groove of stepping down that position indicator spare corresponds faced the arch of making the moving part, each locking piece linkage order about do the moving part to position indicator spare be close to make protruding insert to close with the groove of stepping down realize interlocking. The utility model discloses a latch fitting more than one and the interlocking function of many switch circuit breakers of position indicator spare cooperation realization especially are adapted to the workplace that the requirement is not cut off the power supply, only are in under the disconnected state at a supply circuit, could open another kind of power supply circuit by the pass key, really play protection system's efficiency, prevent misuse.
Description
Technical field
The utility model discloses a kind of withdrawable circuit breaker isolated location interlock, divides belong to circuit breaker manufacturing technology field by International Patent Classification (IPC) (IPC).
Background technology
Withdrawable circuit breaker, it is a kind of circuit breaker conventional in distribution apparatus, its structure is that breaker body is arranged in drawout chassis, drawout chassis comprises one for carrying the sliding system of installing breaker body, sliding system is by operating parts or handle drives, regulate breaker body to advance or retreat, and circuit breaker is placed in different service positions, namely the most inboard " connection " position, middle " test " position and outmost " separation " position: link position, the major loop of breaker body and drawout chassis, secondary circuit is all connect, circuit breaker is in normal operating conditions, in test position, breaker body is separated with the major loop of drawout chassis, and secondary circuit connects, and circuit breaker is in test mode, in separation point position, major loop, the secondary circuit of breaker body and drawout chassis are all separated, and circuit breaker is in and can unloads state.
China document CN1725584A, date of publication is on January 25th, 2006, disclose a kind of circuit breaker drawer base with auto-lock function, comprise base plate, control panel, main slide plate, drive slide plate, guide rod, fixed support, screw rod, slide block, first push rod, second push rod, connecting rod, separate locking plate spring, separation is at circuit breaker, test, the locked handle of any position connected is to the rotation of screw rod, and carry out unblock reset by pivot link, object is the separation accurately locking circuit breaker, test, the position connected, specifically lock strap moves push pedal rotation, meshing by the teeth groove of the tooth bar in push pedal and one section, connecting rod, thus drivening rod is axis rotation around pivot pin, the other end of connecting rod pulls push rod to move.But in document, circuit breaker is the locking to " connection ", " test ", " separation " service position, and some circuit breaker on market also can lock at an arbitrary position, but existing circuit breaker all cannot realize interlock.In practice, some operator only requires to have locking effect in a position (being generally separation point position) or two positions (test and separation point position), as hospital etc. requires the workplace of not power-off, usually conventional power supply and stand-by power supply to be equipped with, it uses corresponding distributor breaker respectively, two circuit breakers can not be in connection operating state simultaneously, therefore require that Duan Qi road has interlock, just can guarantee use safety.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of withdrawable circuit breaker isolated location interlock, to be coordinated realize interlock by circuit breaker position indication piece with at least one latch fitting.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of withdrawable circuit breaker isolated location interlock, comprise the position indication piece be arranged on drawout chassis, at least one locking piece and actuator, each locking piece interlock is also had an effect by actuator and position indication piece, position indication piece circumferential side wall is provided with at least one slot to make way, actuator is provided with projection, when circuit breaker is in separation or test position, the slot to make way that position indication piece is corresponding faces the projection of actuator, and the interlock of each locking piece orders about actuator to position indication piece is close to be made protruding and slot to make way plug together to realize circuit breaker to interlock.
Further, locking piece to be arranged on drawout chassis and to be positioned at indication piece side, position, locking piece comprises a lock core shift lever, the lock core synchronous axial system of this driving lever and locking piece, actuator is provided with between described lock core shift lever and position indication piece, this actuator can toward polyslip between driving lever and position indication piece, and actuator side is provided with projection and coordinates with the slot to make way of position indication piece.
Further, position indication piece is circumferentially provided with two slots to make way, one of them slot to make way axial width is greater than the axial width of another slot to make way, actuator is provided with that one or two is protruding: when actuator be provided with one protruding time, circuit breaker is under separation and trystate, and the slot to make way that actuator can be inserted into position indication piece realizes interlocking respectively; When actuator be provided with two protruding time, circuit breaker is under released state, and actuator can be inserted into slot to make way corresponding to position indication piece and realize interlocking.
Further, actuator is arranged on the base plate of drawout chassis, and base plate is provided with lead, and actuator is provided with pilot hole and is enclosed within polyslip in the past on lead, and actuator one end connects elastic component and resets, and the elastic component other end is fixed.
Further, locking piece also comprises valve driving lever, this driving lever be connected with lock core and with lock core shift lever synchronous axial system, this valve driving lever is opened for controlling valve or is locked, valve driving lever and lock core shift lever can one-body molded or separate piece and lock core be connected as a single entity, wherein valve drawout chassis is set clamshell in and coordinate with driving the screw rod of slide plate.
Further, position indication piece adopts screw-rod structure, its two ends are separately positioned on the clamshell of drawout chassis and drive on slide plate, drive slide plate to seesaw and drive position indication piece to rotate, thus show corresponding operating state on the control panel: connect, test, to be separated.
The utility model by one or one coordinate with position indication piece the interlock realizing multiple stage switch disconnector with upper locking member; especially the workplace requiring not power-off is adapted to; as hospital; it is equipped with conventional power supply and stand-by power supply; only under a kind of power supply circuits are in notconnect state (separation point position); just by the key operated another kind of power circuit of locking piece cooperation; namely the circuit breaker on two circuit can not be in connection operating state simultaneously; really play protection system by interlock, prevent the effect of misoperation.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment overall schematic.
Fig. 2 is the utility model embodiment drawout chassis schematic diagram.
Fig. 3 is the utility model interlocking schematic diagram.
Fig. 4 is the utility model interlocking unlocking condition figure.
Fig. 5 is the utility model interlocking locked state figure.
Fig. 6 is the utility model position indication piece schematic diagram.
Fig. 7 is the utility model lock core shift lever and valve driving lever one schematic diagram.
Fig. 8 is the utility model actuator structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to Fig. 1, breaker body 1 is arranged on drawout chassis 2 li, handle or other operating parts are used in rotary screw 3(Fig. 3) adjustment breaker body 1 move forward and backward, circuit breaker is placed in three service positions, what circuit breaker was corresponding has three operating states: connect, test, be separated (test wherein and separation point position also can be called isolated location), the position indication piece 4 interlock effect of above-mentioned screw rod 3 and its side, corresponding three service positions of instruction, end of position indication piece 4: when being in released state, breaker body can take off from drawout chassis, can repair or replace circuit breaker, when being in trystate, secondary loop of breaker is connected, before normal work, and maintenance or test macro, when being in connection status, circuit breaker can normally work.
With reference to Fig. 2, display be circuit breaker drawer base 2, drawout chassis is provided with interlock, and this interlock utilizes position indication piece 4 rotational positioning feature, coordinates realize interlock with latch fitting.The case 20 front formation control panel of drawout chassis 2 front end, panel is provided with latch fitting hole 201, position instruction piece bores 202 and drive screw hole 203.
Consult Fig. 3 and 4, display be remove the drawout chassis partial schematic diagram after case 20, a kind of withdrawable circuit breaker isolated location interlock, comprise the position indication piece 4 be arranged on drawout chassis 2, at least one locking piece 5 and actuator 6, Fig. 3 Fig. 4 demonstrates a locking piece 5, one or more locking piece can also be installed in its side and form interlocking, each locking piece 5 is linked and is had an effect by actuator 6 and position indication piece, position indication piece 4 circumferential side wall is provided with at least one slot to make way 41(Fig. 6), actuator 6 is provided with the projection 61 of cooperation, when circuit breaker is in separation or test position, the slot to make way 41 of position indication piece 4 faces the projection of actuator, the interlock of each locking piece 5 orders about actuator to position indication piece is close to be made protruding and slot to make way plug together to realize circuit breaker to interlock, position indication piece 4 adopts screw-rod structure, its two ends are separately positioned on the clamshell 20 of drawout chassis 2 and drive on slide plate 21, drive slide plate 21 to seesaw and drive position indication piece 4 to rotate, thus show corresponding operating state on the control panel: connect, test, be separated.As Fig. 3, Fig. 4 and Fig. 5, Fig. 8, be positioned at position indication piece 4 side in the latch fitting hole 201 that locking piece 5 is arranged on drawout chassis 2, locking piece 5 comprises a lock core shift lever 51, the lock core synchronous axial system of this driving lever and locking piece 5, actuator 6 is provided with between described lock core shift lever 51 and position indication piece 4, this actuator 6 can toward polyslip between driving lever and position indication piece, actuator 6 is provided with protruding 61(near the side of position indication piece 4 and also can be described as plug or inserting column) and coordinate with the slot to make way 41 of position indication piece 4, when circuit breaker is in connection status, indication piece side, position is smooth surface with the protruding corresponding position of actuator, do not establish slot to make way, now actuator 6 can not move to position indication piece 4, namely circuit breaker is when connection status, locking piece can not be sealed, thus to ensure that multiple stage killer switch is used safely.That Fig. 5 shows is circuit breaker locked state figure under isolation, and now circuit breaker is in released state, and the projection of actuator 6 is inserted in the slot to make way of position indication piece 4.
Refer to Fig. 4, Fig. 5 and Fig. 6, Fig. 8, actuator 6 is arranged on the base plate 200 of drawout chassis 2, base plate is provided with lead 201, actuator 6 is provided with pilot hole 62 and is enclosed within polyslip in the past on lead 201, actuator 6 one end connects elastic component 202 and resets, as spring etc., the other end of elastic component 202 is fixed on the column of base plate 200.Actuator 6 is provided with one or two projection 61, position indication piece 4 is circumferentially provided with two slots to make way, one of them slot to make way axial width is greater than the axial width of another slot to make way: when actuator 6 be provided with one protruding time, circuit breaker is separated and trystate, and slot to make way two slots to make way that actuator 6 can be inserted into position indication piece 4 realize interlocking respectively; When actuator 6 be provided with two protruding time, circuit breaker only under released state, actuator 6 can be inserted into position indication piece 4 wherein one slot to make way realize interlocking.As Fig. 8, actuator comprises integrated vertical portion and horizontal part, and horizontal part is provided with more than one pilot hole, and vertical portion is horizontal work shape structure, and the outside of work shape vertical portion is provided with projection.According to designing requirement, the projection on actuator can be arranged to two, and its slot to make way corresponding with position indication piece can realize separation point position and interlock, and when realizing when needs one are protruding being separated and testing interlocking, removes one of them projection; Projection on actuator can also be arranged to a row protruding (multiple) of continous way, removes its protrusions according to demand and realizes Interlock Status conversion.
Consult Fig. 4, Fig. 5 and Fig. 7, locking piece 5 also comprises valve driving lever 52, this driving lever be connected with lock core and with lock core shift lever synchronous axial system, this valve driving lever 52 is opened for controlling valve 30 or is locked, valve driving lever 52 and lock core shift lever 51 can be one-body molded, the effect end of valve driving lever and lock core shift lever is oppositely arranged, as shown in Figure 7, valve driving lever 52 and lock core shift lever 51 also can be two individual components and be connected as a single entity with lock core on request, the effect end of valve driving lever and lock core shift lever is oppositely arranged, wherein valve 30 drawout chassis 2 is set clamshell 20 in and coordinate with driving the screw rod 3 of slide plate.As the slide plate 21 on Fig. 2 and Fig. 3 drawout chassis connects drive screw 3, this screw rod is arranged on the opposite side of position indication piece 4 relative to locking piece, on the panel in the clamshell front of drawout chassis, the position of corresponding screw rod is provided with handle hole (drive screw hole 203), operating grip can be inserted into the interior also drive screw 3 of handle hole and rotate to drive slide plate 21 to seesaw, and is provided with the valve 30 coordinated with handle hole in clamshell 20.
Consult Fig. 2 and Fig. 3, utility model works feature and principle as follows:
1. circuit breaker takes out frame (drawout chassis) bottom for its drive system (comprise and drive slide plate), by driving crank or handle to insert in the hole 203 of case during work, just can operate taking out frame.Have a valve in existing case, initially can block hole 203, when crank inserts, valve can be pushed aside.The utility model to install at least one lock on the right side of case, and after lock pins, valve driving lever (lock core shift lever) can block valve, and now valve can be fixed extremely, and crank cannot insert, thus cannot operate taking out frame.
2. the utility model interlock, comprises connecting rod 6(also referred to as moving part), driving lever and position indication piece 4, connecting rod 6 is arranged on base plate 200 by steady pin or lead, and connecting rod 6 can move left and right, and connecting rod 6 afterbody pulls to one end by a traction extension spring 202.The disconnected structure of driving lever design two, front disconnected driving lever (also referred to as valve driving lever 52) can be used to lock valve, and rear disconnected driving lever (lock core shift lever 51 or start driving lever) is used for promoting connecting rod.Indication piece designs resigning hole structure.When taking out frame and not being in separation point position, connecting rod is instructed to that part blocks cannot to indication piece Slideslip.Now lock core shift lever 51 is blocked cannot rotate by connecting rod 6, cannot complete locking-in state.When taking out frame and being in separation point position, the resigning hole of indication piece 4 is just to connecting rod 6, and now rotatable lock core shift lever 51, completes lock-out state.
Above, be only the embodiment utilizing this origination techniques content, the modification that any those skilled in the art use this creation to do, change, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (8)
1. a withdrawable circuit breaker isolated location interlock, comprise the position indication piece be arranged on drawout chassis, it is characterized in that: also comprise at least one locking piece and actuator, each locking piece interlock is also had an effect by actuator and position indication piece, position indication piece circumferential side wall is provided with at least one slot to make way, actuator is provided with projection, when circuit breaker be in be separated or and test position time, the slot to make way that position indication piece is corresponding faces the projection of actuator, the interlock of each locking piece orders about actuator to position indication piece is close to be made protruding and slot to make way plug together to realize circuit breaker to interlock.
2. withdrawable circuit breaker isolated location according to claim 1 interlock, it is characterized in that: locking piece to be arranged on drawout chassis and to be positioned at indication piece side, position, locking piece comprises a lock core shift lever, the lock core synchronous axial system of this driving lever and locking piece, actuator is provided with between described lock core shift lever and position indication piece, this actuator can toward polyslip between driving lever and position indication piece, and actuator side is provided with projection and coordinates with the slot to make way of position indication piece.
3. withdrawable circuit breaker isolated location according to claim 2 interlock, it is characterized in that: described position indication piece is circumferentially provided with two slots to make way, one of them slot to make way axial width is greater than the axial width of another slot to make way, actuator is provided with that one or two is protruding: when actuator be provided with one protruding time, circuit breaker is under separation and trystate, and the slot to make way that actuator can be inserted into position indication piece realizes interlocking respectively; When actuator be provided with two protruding time, circuit breaker is under released state, and actuator can be inserted in slot to make way corresponding to position indication piece and realize interlocking.
4. according to the withdrawable circuit breaker isolated location interlock one of claims 1 to 3 Suo Shu, it is characterized in that: actuator is arranged on the base plate of drawout chassis, base plate is provided with lead, actuator is provided with pilot hole and is enclosed within polyslip in the past on lead, actuator one end connects elastic component and resets, and the elastic component other end is fixed.
5. according to the withdrawable circuit breaker isolated location interlock one of claims 1 to 3 Suo Shu, it is characterized in that: locking piece also comprises the valve driving lever opened for controlling valve or lock, this driving lever be connected with lock core and with lock core shift lever synchronous axial system, valve coordinates with the handle hole of drive screw on drawout chassis.
6. withdrawable circuit breaker isolated location according to claim 4 interlock, it is characterized in that: locking piece also comprises the valve driving lever opened for controlling valve or lock, this driving lever be connected with lock core and with lock core shift lever synchronous axial system, valve coordinates with the handle hole of drive screw on drawout chassis.
7. withdrawable circuit breaker isolated location according to claim 6 interlock, is characterized in that: valve driving lever and lock core shift lever can be one-body molded or be connected as a single entity with lock core for individual components.
8. according to the withdrawable circuit breaker isolated location interlock one of claims 1 to 3 Suo Shu, it is characterized in that: described position indication piece adopts screw-rod structure, its two ends are separately positioned on the clamshell of drawout chassis and drive on slide plate, drive slide plate to seesaw and drive position indication piece to rotate, thus show corresponding operating state on the control panel: connect, test, be separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746689.2U CN205104817U (en) | 2015-09-24 | 2015-09-24 | Withdrawable circuit -breaker isolated location interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746689.2U CN205104817U (en) | 2015-09-24 | 2015-09-24 | Withdrawable circuit -breaker isolated location interlock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205104817U true CN205104817U (en) | 2016-03-23 |
Family
ID=55520574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520746689.2U Withdrawn - After Issue CN205104817U (en) | 2015-09-24 | 2015-09-24 | Withdrawable circuit -breaker isolated location interlock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205104817U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119177A (en) * | 2015-09-24 | 2015-12-02 | 厦门宏发开关设备有限公司 | Drawer type breaker isolation position interlocking device |
| CN106329365A (en) * | 2016-09-07 | 2017-01-11 | 上海电科电器科技有限公司 | Drawer seat interlocking device |
| CN111786307A (en) * | 2020-08-03 | 2020-10-16 | 常州新苑星电器有限公司 | Three-position positioning interlocking mechanism traction locking plate anti-misoperation force increasing mechanism, assembly and drawer unit |
-
2015
- 2015-09-24 CN CN201520746689.2U patent/CN205104817U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119177A (en) * | 2015-09-24 | 2015-12-02 | 厦门宏发开关设备有限公司 | Drawer type breaker isolation position interlocking device |
| CN106329365A (en) * | 2016-09-07 | 2017-01-11 | 上海电科电器科技有限公司 | Drawer seat interlocking device |
| WO2018045896A1 (en) * | 2016-09-07 | 2018-03-15 | 上海电科电器科技有限公司 | Interlocking device for drawer seat |
| CN111786307A (en) * | 2020-08-03 | 2020-10-16 | 常州新苑星电器有限公司 | Three-position positioning interlocking mechanism traction locking plate anti-misoperation force increasing mechanism, assembly and drawer unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160323 Effective date of abandoning: 20170718 |
|
| AV01 | Patent right actively abandoned |