CN104599877B - Interlocking mechanism between disconnecting switch and circuit breaker of solid insulated switch - Google Patents
Interlocking mechanism between disconnecting switch and circuit breaker of solid insulated switch Download PDFInfo
- Publication number
- CN104599877B CN104599877B CN201410854302.5A CN201410854302A CN104599877B CN 104599877 B CN104599877 B CN 104599877B CN 201410854302 A CN201410854302 A CN 201410854302A CN 104599877 B CN104599877 B CN 104599877B
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- Prior art keywords
- solid insulation
- switch
- locking
- blocking lever
- insulation switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to an interlocking mechanism, and an interlocking mechanism between a disconnecting switch and a circuit breaker of a solid insulated switch. The invention adopts the technical scheme as follows: the interlocking mechanism between the disconnecting switch and the circuit breaker of the solid insulated switch is characterized by including a screw, a disconnecting knife driving plate, a linkage plate, a first interlocking lever, a second interlocking lever, a third interlocking lever, a switch on-off indicator, a circuit breaker operating knob assembly, a switching-on tripping plate, a lock catch rod and a driving rod, wherein both the first interlocking lever and the second interlocking lever can control the lock catch rod to lock and unlock the switching-on tripping plate, the driving rod is arranged at the lower end of the first interlocking lever, and the lower end of the second interlocking lever is linked with the switch on-off indicator. By adopting the above scheme, the new interlocking mechanism between the disconnecting switch and the circuit breaker of the solid insulated switch provided by the invention is high in safety and convenient to operate.
Description
Technical field
The present invention relates to a kind of interlocking mechanism, particularly relate to the connection between the disconnecting switch of solid insulation switch and chopper
Latch mechanism.
Background technology
There is presently no a kind of with similar structures of the present invention solid insulation switch, the one of existing 201010612261.0
Plant solid insulation switch cabinet, including cabinet, cabinet is provided with the binding post of accessible main bus-bar and branch bus, binding post
One end is connected with two station disconnecting switchs, and the two station disconnecting switch other ends are connected with chopper pole, chopper sealing
The other end of pole is connected with cable in turn and turns the end of a thread, cable and spark gap, and binding post, two station disconnecting switchs, chopper are solid
The outer layer covers that sealed pole, cable turn the end of a thread, cable and spark gap have solid insulating layer, and solid insulating layer shell is coated with and can touch
The ground plane touched, and it is packed to integrative-structure.The operation of this mechanism bothers very much, and complex structure, so while not right
The solid insulation switch answered just does not have the interlocking mechanism between corresponding disconnecting switch and chopper yet.
Content of the invention
The present invention in view of the shortcomings of the prior art, provides a kind of safe, easy to operate new solid exhausted
Interlocking mechanism between the disconnecting switch of edge switch and chopper.
Realize above-mentioned purpose, the present invention adopts the following technical scheme that a kind of disconnecting switch of solid insulation switch and open circuit
Interlocking mechanism between device it is characterised in that: include screw rod, isolation knife driving plate, linkage board, the first blocking lever, second
Locking bar, the 3rd blocking lever, switch division indication piece, breaker operator button component, combined floodgate dropout plate, locking-bar and drive rod, its
Middle isolation knife driving plate screw thread is screwed on screw rod, and described linkage board two ends are provided with boss, and isolation knife driving plate is placed in linkage
On plate, screw rod rotates and drives isolation knife driving plate to move, and isolation knife driving plate moves to and can drive at the lug boss position of linkage board
Linkage board moves, and described linkage board is linked with the 3rd blocking lever lower end, and linkage board is isolated after knife driving plate promotes and can carry
Move on dynamic 3rd blocking lever, the upper end of described 3rd blocking lever is fixedly installed limiting plate, and moving up and down of limiting plate is controllable
The rotation direction of the operating knob of breaker operator button component, the upper end of described first blocking lever and the second blocking lever is connected with lock
Bar, locking-bar is provided with locking boss, and this locking boss may make up combined floodgate dropout plate with the end cooperation of combined floodgate dropout plate
Locking and unblock setting, all controllable locking-bar of the first blocking lever and the second blocking lever to the locking of combined floodgate dropout plate and unblock,
The lower end of described first blocking lever is provided with drive rod, and drive rod is hinged to be arranged in the frame of solid insulation switch, drive rod
Two ends can respectively with isolation knife driving plate conflict cooperation move down thus realizing the first blocking lever, described switch division indication piece connection
Move and be arranged on the rotating spindle of solid insulation switch, the lower end of described second blocking lever is with switch division indication piece linkage even
Connect.
By adopting such scheme, the interlocking between the disconnecting switch of achievable solid insulation switch and chopper is arranged,
It is in particular in, isolation knife driving plate can be to drive rod action when mobile, and such drive rod passes through the first blocking lever
The boss that the locking-bar of the first blocking lever upper end is realized in linkage coordinates to the locking of combined floodgate dropout plate or unblock, isolation knife driving plate
Move on the 3rd interlocking to driving during linkage board action, the limiting plate of the 3rd blocking lever upper end can control breaker operator button component
Operating knob rotation direction, the rotating spindle of solid insulation switch rotates and drives switch division indication piece to swing, so that opening
Closing division indication piece drives the second blocking lever movement to make the locking between the locking-bar of the second blocking lever upper end and combined floodgate dropout plate
With unblock cooperation, between above-mentioned action, there is mutual restrictive function, thus realizing interlock.We are not just to open circuit here
The structure of device operation button component and its work relationship and combined floodgate dropout plate between, because these technical characteristics are in prior art
In be also relatively common.
The present invention is arranged so that described drive rod is movably connected to form by two linking arms further, in two linking arms
Portion is respectively articulated with the frame being arranged on solid insulation switch, and the separate two ends of two linking arms are respectively arranged with roller, rolling
Wheel can be realized the first blocking lever with the cooperation of isolation knife driving plate and move down.
By adopting such scheme, the structure of drive rod is done and limits further, so can be very good to ensure isolation knife
Driving plate is realized locking-bar at the roller at two ends and is unlocked with combined floodgate dropout plate, locks with combined floodgate dropout plate in other positions locking-bar
Fixed.
The present invention is arranged so that further and also includes isolation knife handle hole locking device, described isolation knife handle hole locking
Device includes selvage, back-moving spring, lockwheel, swing component and transmission arm, and the hinged solid insulation that is arranged on of described swing component is opened
In the frame closed, transmission arm one end is flexibly connected with the first blocking lever upper end, and the other end is flexibly connected with swing component, and lockwheel is arranged
On a swing arm, in the cabinet door being arranged on solid insulation switch of selvage slip, it is exhausted that back-moving spring one end is connected to solid
In the cabinet door of edge switch, the other end is connected on selvage, and transmission arm can drive lockwheel and selvage to conflict cooperation, when lockwheel with
Selvage is conflicted and is realized the isolation knife handle hole lock fit to solid insulation switch for the selvage when coordinating.
By above-mentioned setting it is ensured that chopper is in the state of closing a floodgate, lockwheel and selvage are conflicted when coordinating and are realized
The isolation knife handle hole lock fit to solid insulation switch for the selvage, thus can not operate to isolation knife, increased
The safety of product.
The present invention is arranged so that the cabinet door locking device also including solid insulation switch further, and described have solid insulation
Cabinet door locking device includes push rod, swing component, spring and locking piece, and wherein push rod one end is fixedly installed on isolation knife and drives
On dynamic plate, described swing component is hinged to be arranged in the cabinet door of solid insulation switch, and locking piece sliding is arranged on solid insulation switch
Cabinet door on, locking piece lower end is provided with lockhole or boss, and swing component lower end can limit locking with the cooperation of conflicting of lockhole or boss
Move on part, described spring is arranged between swing component top and the cabinet door positioned at solid insulation switch and swing component, and isolation knife is driven
Dynamic plate can drive push rod conflict swing component top and separate with lockhole or boss thus realizing swing component lower end.
By adopting such scheme, such isolation knife it is impossible to open the cabinet door of solid insulation switch, increases when closing a floodgate
Add the safety of product.
With embodiment, the present invention is described further below in conjunction with the accompanying drawings.
Brief description
Fig. 1 is the overall perspective view of the embodiment of the present invention；
Fig. 2 reflects the structural representation of drive rod for the present invention；
Fig. 3 reflects the structural representation of linkage board and the 3rd blocking lever annexation for the present invention；
Fig. 4 reflects the structural representation of switch divide-shut brake indication piece and the second blocking lever annexation for the present invention；
Fig. 5 reflects the structural representation of isolation knife handle hole locking device for the present invention；
Fig. 6 reflects the structural representation of locking-bar and combined floodgate dropout plate relation for the present invention；
Fig. 7 reflects the structural representation of the cabinet door locking device internal structure of solid insulation switch for the present invention；
Fig. 8 reflects the structural representation of locking piece lower end lockhole for the present invention；
For the present invention, Fig. 9 reflects that the operating knob of the 3rd blocking lever limiting circuit breaker operation button component can only rotate counterclockwise
Structural scheme of mechanism；
The operating knob that Figure 10 reflects the 3rd blocking lever limiting circuit breaker operation button component for the present invention can only turn clockwise
Structural scheme of mechanism.
Specific embodiment
As shown in Fig. 1 Figure 10, a kind of interlocking mechanism between disconnecting switch of solid insulation switch and chopper, including
Screw rod 1, isolation knife driving plate 2, linkage board 3, the first blocking lever 4, the second blocking lever 5, the 3rd blocking lever 6, switch division is had to refer to
Show part 7, breaker operator button component 8, combined floodgate dropout plate 9, locking-bar 10 and drive rod 11, wherein isolation knife driving plate 2 screw thread
It is screwed on screw rod 1, described linkage board 3 two ends are provided with boss 31, and isolation knife driving plate 2 is placed on linkage board 3,1 turn of screw rod
Dynamic drive isolation knife driving plate 2 is mobile, and isolation knife driving plate 2 moves to and can drive linkage board 3 at boss 31 position of linkage board 3
Mobile, described linkage board 3 and the 3rd blocking lever 6 lower end are linked, and linkage board 3 is isolated after knife driving plate 2 promotes and can drive
Move on 3rd blocking lever 6, the mode that is linked here is a lot, as long as meeting above-mentioned requirements, described 3rd blocking lever 6
Upper end is fixedly installed limiting plate 61, the operating knob 81 moving up and down controllable breaker operator button component 8 of limiting plate 61
Rotation direction, in Fig. 9 and Figure 10 it may be seen that the rotation direction of two kinds of restriction operating knob 81, particular by one
The mode that the end conflict other end is not conflicted is realized, and the upper end of described first blocking lever 4 and the second blocking lever 5 is connected with locking-bar
10, locking-bar 10 is provided with locking boss 101, this locking boss 101 may make up combined floodgate with the end cooperation of combined floodgate dropout plate 9
The all controllable locking-bar 10 of the locking of dropout plate 9 and unblock setting, the first blocking lever 4 and the second blocking lever 5 is to combined floodgate dropout plate 9
Locking and unblock, described first blocking lever 4 lower end setting drive rod 11, drive rod 11 is hinged to be arranged on solid insulation switch
Frame on, the cooperation of being conflicted with isolation knife driving plate 2 respectively of the two ends of drive rod 11 be moved down thus realizing the first blocking lever 4,
The unblock to combined floodgate dropout plate 9 for the locking-bar 10 so can be realized, described switch division indication piece 7 linkage is arranged on solid insulation
On the rotating spindle 12 of switch, the lower end of described second blocking lever 5 is connected with switch division indication piece 7.Using above-mentioned side
Case, the interlocking setting between the disconnecting switch of achievable solid insulation switch and chopper, it is in particular in, isolation knife driving plate
2 can be to drive rod 11 action when mobile, and such drive rod 11 realizes the first blocking lever by the linkage of the first blocking lever 4
The boss 101 of the locking-bar 10 of 2 upper ends coordinates to the locking of combined floodgate dropout plate 9 or unblock, and isolation knife driving plate 2 is to linkage board 3
Can drive during action and move on the 3rd interlocking 6, the limiting plate 61 of the 3rd blocking lever 6 upper end can control breaker operator button component 8
The rotation direction of operating knob 81, the rotating spindle 12 of solid insulation switch rotates and drives switch division indication piece 7 to swing, so that
Switch division indication piece 7 drive the second blocking lever 5 movement make the second blocking lever 5 upper end locking-bar 10 and combined floodgate dropout plate 9 it
Between locking and unblock cooperation, between above-mentioned action, there is mutual restrictive function, thus realizing interlock.We are just here
The not structure to breaker operator button component and its work relationship and combined floodgate dropout plate 9 between, because these technical characteristics
It is also relatively common in the prior art.
In embodiments of the present invention, described drive rod 11 is movably connected to form by two linking arms 111, two linking arms
111 middle part is respectively articulated with the frame being arranged on solid insulation switch, and the separate two ends of two linking arms 111 are respectively provided with
There is roller 1111, roller 1111 can be realized the first blocking lever 4 with isolation knife driving plate 2 cooperation and move down, using such scheme, to drive
The structure of lever 11 is done and is limited further, so can be very good to ensure that isolation knife driving plate 2 is real at the roller 1111 at two ends
Existing locking-bar 10 is unlocked with combined floodgate dropout plate 9, locks with combined floodgate dropout plate 9 in other positions locking-bar 10.
In embodiments of the present invention, isolation knife handle hole locking device 13, described isolation knife handle hole locking are also included
Device 13 includes selvage 131, back-moving spring 132, lockwheel 133, swing component 134 and transmission arm 135, described swing component 134
In the hinged frame being arranged on solid insulation switch, transmission arm 135 one end is flexibly connected with the first blocking lever 4 upper end, the other end
Be flexibly connected with swing component 134, lockwheel 133 is arranged on swing arm 134, selvage 131 slip be arranged on solid insulation
In the cabinet door of switch, back-moving spring 132 one end is connected in the cabinet door of solid insulation switch, and the other end is connected to selvage 131
On, transmission arm 135 can drive lockwheel 133 and selvage 131 conflict cooperation, when lockwheel 133 conflicts cooperation with selvage 131 in fact
The existing isolation knife handle hole lock fit to solid insulation switch for the selvage 131.By above-mentioned setting it is ensured that chopper exists
In the state of combined floodgate, lockwheel 133 realizes the isolation knife to solid insulation switch for the selvage 131 when conflicting and coordinate with selvage 131
Handle hole lock fit, thus can not operate to isolation knife, increased the safety of product.
In embodiments of the present invention, also include the cabinet door locking device 14 of solid insulation switch, described have solid insulation
Cabinet door locking device 14 includes push rod 141, swing component 142, spring 143 and locking piece 144, wherein push rod 141 one end
It is fixedly installed in isolation knife driving plate 2, described swing component 142 is hinged to be arranged in the cabinet door of solid insulation switch, locking piece
144 slidings are arranged in the cabinet door of solid insulation switch, and locking piece 144 lower end is provided with lockhole 1441 or boss, swing component 142
Can be conflicted with lockhole 1441 to coordinate to limit and move on locking piece 144 in lower end, described spring 143 is arranged on swing component 142 top and position
Between the cabinet door of solid insulation switch and swing component 142, isolation knife driving plate 2 can drive on push rod 141 conflict swing component 142
Portion is separated thus realizing swing component 142 lower end with lockhole 1441.So isolation knife close a floodgate when it is impossible to open solid insulation
The cabinet door of switch, increased the safety of product.
Concrete operating principle: one, switch combined floodgate power transmission program:
Be left on hand propelled selvage 131, insertion handle rotationally clockwise to isolation knife in-place closing, now
Isolation division direction board flip displays isolation knife is connected, and isolation knife driving plate 2 pushes ahead jack-up roller under screw rod 1 drive
1111, so that the first blocking lever 4 is declined, release the locking to combined floodgate dropout plate 9；Take out operation handle, selvage 131 is in reset bullet
Reset to the right under spring 132 effect, lockwheel 133 declines, and combined floodgate dropout plate 9 unlocks completely, now linkage board 3 is isolated knife and drives
Dynamic plate 2 shifts bottom onto to the right, and the 3rd blocking lever 6 declines, and the operating knob 81 of breaker operator button component 8 can only rotate counterclockwise,
After confirming operating mechanism main extension spring energy storage, rotate in an anti-clockwise direction operating knob 81, switch closes a floodgate, and vacuum interrupter is connected, and opens
Close division indication piece 7 to rotate, drive the second blocking lever 5 to rise, lock combined floodgate dropout plate 9, now selvage 131 is also locked
Can not open.
2nd, separating brake blackout procedures are switched:
Press opening button, vacuum interrupter disconnects, switch division indication piece 7 rotates and so that the second blocking lever 5 is declined, and closes a floodgate
Dropout plate 9 and selvage 131 unlock, and with hand push unlocking orifice plate 131, insert handle counterclockwise to isolation division
Direction board flip displays isolation knife is fully disconnected, and isolation knife driving plate 2 retreats jack-up roller 1111, so that the first blocking lever 4 is declined,
Release the locking 9 to combined floodgate dropout plate 9；Take out operation handle, selvage 131 resets to the right under back-moving spring 132 effect, lock
Wheel 133 decline, combined floodgate dropout plate 9 unlocks completely.
Claims (5)
1. the interlocking mechanism between a kind of disconnecting switch of solid insulation switch and chopper it is characterised in that: include screw rod,
Isolation knife driving plate, linkage board, the first blocking lever, the second blocking lever, the 3rd blocking lever, switch division indication piece, chopper behaviour
Make button component, combined floodgate dropout plate, locking-bar and drive rod, wherein isolation knife driving plate screw thread is screwed on screw rod, described linkage
Plate two ends are provided with boss, and isolation knife driving plate is placed on linkage board, and screw rod rotates and drives isolation knife driving plate to move, isolation knife
Driving plate moves to and linkage board can be driven at the lug boss position of linkage board to move, and links in described linkage board and the 3rd blocking lever lower end
Cooperation, linkage board is isolated can drive after knife driving plate promotes and moves on the 3rd blocking lever, and the upper end of described 3rd blocking lever is fixed
It is provided with limiting plate, the rotation direction moving up and down the operating knob controlling breaker operator button component of limiting plate, described first
The upper end of blocking lever and the second blocking lever is connected with locking-bar, and locking-bar is provided with locking boss, this locking boss and combined floodgate
The end cooperation of dropout plate constitutes locking and the unblock setting of combined floodgate dropout plate, and the first blocking lever and the second blocking lever all control lock
Button bar is provided with drive rod to the locking of combined floodgate dropout plate and unblock, the lower end of described first blocking lever, the hinged setting of drive rod
In the frame of solid insulation switch, cooperation can be conflicted thus realizing first with isolation knife driving plate respectively in the two ends of drive rod
Locking bar moves down, and described switch division indication piece linkage is arranged on the rotating spindle of solid insulation switch, described second blocking lever
Lower end with switch division indication piece be connected.
2. the interlocking mechanism between the disconnecting switch of solid insulation switch according to claim 1 and chopper, its feature
It is: described drive rod is movably connected to form by two linking arms, the middle part of two linking arms is respectively articulated with that to be arranged on solid exhausted
In the frame of edge switch, the separate two ends of two linking arms are respectively arranged with roller, roller can be coordinated with isolation knife driving plate
Realize the first blocking lever to move down.
3. the interlocking mechanism between the disconnecting switch of solid insulation switch according to claim 1 and 2 and chopper, it is special
Levy and be: also include isolation knife handle hole locking device, described isolation knife handle hole locking device includes selvage, reset
Spring, lockwheel, swing component and transmission arm, described swing component is hinged to be arranged in the frame of solid insulation switch, transmission arm one end
It is flexibly connected with the first blocking lever upper end, the other end is flexibly connected with swing component, lockwheel is arranged on a swing arm, and selvage can be slided
In the cabinet door being arranged on solid insulation switch moved, back-moving spring one end is connected in the cabinet door of solid insulation switch, the other end
It is connected on selvage, transmission arm can drive lockwheel and selvage conflict cooperation, the realization when lockwheel conflicts cooperation with selvage
The isolation knife handle hole lock fit to solid insulation switch for the selvage.
4. between the disconnecting switch according to claim solid insulation switch according to claim 1 and 2 and chopper
Interlocking mechanism it is characterised in that: also include the cabinet door locking device of solid insulation switch, described have solid insulation switch cabinet door
Locking device includes push rod, swing component, spring and locking piece, and wherein push rod one end is fixedly installed in isolation knife driving plate,
Described swing component is hinged to be arranged in the cabinet door of solid insulation switch, and locking piece sliding is arranged on the cabinet door of solid insulation switch
On, locking piece lower end is provided with lockhole or boss, can be conflicted with lockhole or boss to coordinate to limit and move on locking piece in swing component lower end,
Described spring is arranged between swing component top and the cabinet door positioned at solid insulation switch and swing component, and isolation knife driving plate can carry
Dynamic push rod conflict swing component top is separated thus realizing swing component lower end with lockhole or boss.
5. the interlocking between the disconnecting switch according to claim solid insulation switch according to claim 3 and chopper
Mechanism it is characterised in that: also include the cabinet door locking device of solid insulation switch, described have solid insulation switch cabinet door to lock
Device includes push rod, swing component, spring and locking piece, and wherein push rod one end is fixedly installed in isolation knife driving plate, described
Swing component is hinged to be arranged in the cabinet door of solid insulation switch, and locking piece sliding is arranged in the cabinet door of solid insulation switch, lock
Determine part lower end and be provided with lockhole or boss, can be conflicted with lockhole or boss to coordinate to limit and move on locking piece in swing component lower end, described
Spring is arranged between swing component top and the cabinet door positioned at solid insulation switch and swing component, and isolation knife driving plate can drive top
Bar conflict swing component top is separated thus realizing swing component lower end with lockhole or boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854302.5A CN104599877B (en) | 2014-12-31 | 2014-12-31 | Interlocking mechanism between disconnecting switch and circuit breaker of solid insulated switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854302.5A CN104599877B (en) | 2014-12-31 | 2014-12-31 | Interlocking mechanism between disconnecting switch and circuit breaker of solid insulated switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104599877A CN104599877A (en) | 2015-05-06 |
| CN104599877B true CN104599877B (en) | 2017-01-18 |
Family
ID=53125582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410854302.5A Active CN104599877B (en) | 2014-12-31 | 2014-12-31 | Interlocking mechanism between disconnecting switch and circuit breaker of solid insulated switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104599877B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112671B (en) * | 2019-05-05 | 2024-04-23 | 江苏威腾配电有限公司 | Plug-in type multifunctional interlocking mechanism of distribution box |
| CN111146026A (en) * | 2020-01-20 | 2020-05-12 | 珠海华智高科电气有限公司 | Gas Insulated Ring Main Unit Interlocking Device |
| CN113936938B (en) * | 2021-09-18 | 2023-09-19 | 湖北省电力装备有限公司 | Isolating switch and circuit breaker linkage operation mechanism for ring main unit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3432628A (en) * | 1967-06-20 | 1969-03-11 | Square D Co | Interlock structure for two manually operated toggle switches |
| CN102136682A (en) * | 2010-12-29 | 2011-07-27 | 常州森源力拓开关有限公司 | Solid insulating switch cabinet |
| CN202268270U (en) * | 2011-10-14 | 2012-06-06 | 常州市明及电气技术开发有限公司 | Interlocking mechanism for isolation switch and breaker |
| CN204289166U (en) * | 2014-12-31 | 2015-04-22 | 温州新机电器有限公司 | Interlocking device between a kind of isolating switch of solid insulation switch and circuit breaker |
-
2014
- 2014-12-31 CN CN201410854302.5A patent/CN104599877B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104599877A (en) | 2015-05-06 |
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Address after: 325000 No. 4 Dawei Road, Xinqiao High-tech Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: Xinmei Electrical Appliances Co., Ltd. Address before: 325000 No. 4 Dawei Road, Xinqiao High-tech Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Patentee before: Wenzhou Xinli Electric Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |