CN105788947B - A kind of disconnecting switch on/off switch interlocking mechanism - Google Patents
A kind of disconnecting switch on/off switch interlocking mechanism Download PDFInfo
- Publication number
- CN105788947B CN105788947B CN201610268546.4A CN201610268546A CN105788947B CN 105788947 B CN105788947 B CN 105788947B CN 201610268546 A CN201610268546 A CN 201610268546A CN 105788947 B CN105788947 B CN 105788947B
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- CN
- China
- Prior art keywords
- handle
- plate
- valve
- switch
- disconnecting switch
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/06—Interlocking 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
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
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- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates to a kind of disconnecting switch on/off switch interlocking mechanism, and it includes operation handle, linkage, valve driving plate, valve interlock plate and valve；Operation handle includes handle body, handle arms, upper expansion plate, lower expansion plate and cam set；Linkage one end is arranged on upper expansion plate end, the linkage other end is respectively and fixedly installed to the one end of isolator operation bar with valve interlock plate one end, and linkage includes long slab before handle interlocks, long slab, blocking lever, handle interlocking bent plate and handle interlock plate after handle interlocking；The present invention is six-bar linkage device, is rotated up and down by operation handle to drive the switch closing and switch opening of moving contact and static contact, while valve is opened and is closed, reliable, simple in construction, simple operation of the invention.
Description
Technical field
The present invention relates to a kind of disconnecting switch on/off switch interlocking mechanism.
Background technology
Disconnecting switch refers generally to rated voltage in 1kV and its disconnecting switch of the above, is using most in high-voltage switch electric appliance
A kind of more electrical equipment, its principles and structure is fairly simple, therefore is largely used in power system, but its reliable operation
Property require high, can only divide in the case of no load current, close circuit, to electric substation, safe operation of power plant influence compared with
Greatly.Operator easily touches electrical body in on/off switch, and human casualty accident occurs.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of simple in construction, reliable, simple operation and can make behaviour
The disconnecting switch on/off switch interlocking mechanism that author isolates with live part.
The present invention adopts the following technical scheme that：
The present invention includes operation handle, linkage, valve driving plate, valve interlock plate and valve；The manipulator
Handle includes handle body, handle arms, upper expansion plate, lower expansion plate and cam set；The handle arms are fixedly mounted on handle sheet
On body；Described upper expansion plate one end is fixedly mounted in cam set, and the cam set and lower expansion plate are fixedly mounted on handle sheet
In vivo；Described linkage one end is arranged on upper expansion plate end, the linkage other end and the valve interlock plate one
End is respectively and fixedly installed to the one end of isolator operation bar, and driving is set on the inside of described valve interlock plate the other end
Bar；The valve driving plate is hinged by bearing pin and disconnecting switch casing lateral wall；The valve driving plate bottom sets arc
Slotted eye, the valve driving plate top set guide rod, and the drive rod is arranged in arc-shaped slot, and the valve activity is set
Top in disconnecting switch casing, the valve end set L-shaped groove hole are simultaneously inserted into the through hole of disconnecting switch wall box
Interior, the guide rod is arranged in L-shaped groove hole.
Linkage of the present invention includes long slab before handle interlocks, long slab, blocking lever, handle interlocking are curved after handle interlocking
Plate and handle interlock plate；Long slab one end is arranged on upper expansion plate end, long slab before the handle interlocking before the handle interlocking
The other end is hinged with long slab one end after handle interlocking, long slab the other end and the blocking lever one after the handle interlocking
End is hinged, and described blocking lever the other end is fixed with handle interlocking bent plate one end, and the handle interlocking bent plate is another
End is hinged with handle interlock plate one end, and described handle interlock plate the other end is fixedly mounted on the end of isolator operation bar
Portion.
Valve of the present invention includes adjustable plate and interval is fixedly mounted on the rectangle cover plate of adjustable plate side；Described
It is arranged at intervals on adjustable plate and slides long slot bore, valve supporting plate is set in the disconnecting switch casing, on valve supporting plate uniformly
Limited post corresponding with sliding long slot bore is set, and the adjustable plate is arranged on valve supporting plate and limited post is inserted into slip elongated slot
In hole.
The present invention sets spacing bent plate on the disconnecting switch wall box, the spacing bent plate with outside valve driving plate
Side is corresponding.
Operation handle of the present invention also includes emergency release block and fixture block；The handle body is provided with inner chamber, inside
The fixed setting fixture block in the groove of chamber lower end；The cam set is fixedly mounted on the mounting hole of handle body by fixed pin shaft
It is interior；Curved handle sliding groove corresponding to being set on the outer wall of handle body two, the slidiing pin installed in cam set are set
Put in handle sliding groove, the handle arms are fixedly mounted on fixed pin shaft and slidiing pin both ends；The emergency release block peace
In the hole of handle body bottom, the lower expansion plate end set is connected in interior intracavitary with emergency release block；Stretched under described
Contracting plate top sets square groove；Reseting pressuring spring is set between the lower expansion plate lower end and fixture block.
Cam set of the present invention includes two big cams and the small cam being fixedly mounted between two big cams, institute
State expansion plate and be fixedly mounted on small cam side and the tip away from small cam.
Lower expansion plate lower end of the present invention sets boss, and the boss is located in reseting pressuring spring upper end.
Handle body of the present invention is fixedly mounted on pedestal, on described below expansion plate end with pedestal lower end one
Side is installed by extension spring.
The top of handle arms of the present invention sets black warning panel, and the bottom of the handle arms sets red warning panel.
Blocking lever of the present invention is fixedly connected with handle interlocking bent plate by regulating bolt.
Good effect of the present invention is as follows：The present invention is six-bar linkage device, and the switch closing and switch opening of disconnecting switch, regulation can be achieved
The on/off switch position of operation handle can be adjusted for bolt, ensure on/off switch in place, and drive rod slides in arc-shaped slot,
Valve driving plate swing is driven, guide rod slides in L-shaped groove hole, realizes the folding of valve.Valve is opened during "on" position
Open, and valve is closed during gate-dividing state, the copper bar of disconnecting switch live part is not appeared in face of operator, avoids personnel from missing
Electrical body is touched, ensures the personal safety of operator.While the operation valve slip of splitting or integrating lock is carried out, interlocked in handle
Under the drive of plate, moving contact is rotated, and moving contact is contacted with static contact, realizes the combined floodgate of disconnecting switch；Stretched under the present invention
Square groove is set on contracting plate, when upper expansion plate does not lift, square groove is blocked in the tip of small cam, and guarantee is kept apart shutdown and do not had
When having closing, disconnecting switch can not close a floodgate, and operating personnel are not readily accessible to powered hazardous part；The present invention passes through operation handle
Rotate up and down to drive the switch closing and switch opening of moving contact and static contact, while valve is opened and is closed.Present invention operation can
Lean on, simple in construction, simple operation.
Brief description of the drawings
Accompanying drawing 1 is schematic structural view of the invention；
Accompanying drawing 2 is disconnecting switch entirety gate-dividing state structural representation of the present invention；
Accompanying drawing 3 is disconnecting switch entirety "on" position structural representation of the present invention；
Accompanying drawing 4 is isolator operation bar of the present invention and handle interlock plate mounting structure schematic diagram；
Accompanying drawing 5 is valve driving plate mounting structure schematic diagram of the present invention；
Accompanying drawing 6 is valve mounting structure schematic diagram of the present invention；
Accompanying drawing 7 is valve structure schematic diagram of the present invention；
Accompanying drawing 8 is operation handle structural representation of the present invention；
Accompanying drawing 9 is operation handle cross-sectional view of the present invention；
Accompanying drawing 10 is handle body structural representation of the present invention；
Accompanying drawing 11 is the small cam mounting structure schematic diagram of operation handle of the present invention；
Accompanying drawing 12 is the cam set structural representation of operation handle of the present invention.
In the accompanying drawings：1 operation handle, 1-1 handle bodies, 1-2 handle arms, 1-3 black warning panel, 1-4 emergency releases block,
Expansion plate under 1-5 boss, 1-6 fixture blocks, 1-7 red warning panel, the upper expansion plates of 1-8,1-9 big cams, the small cams of 1-10,1-11,
1-12 reseting pressuring springs, 1-13 pedestals, 1-14 inner chambers, 1-15 fixed pin shafts, 1-16 handles sliding groove, 1-17 slidiing pins, 1-18
Long slab, 4 blocking levers, 5 handles interlock bent plate, 6 handles after long slab, the interlocking of 3 handles before square groove, 1-19 mounting holes, the interlocking of 2 handles
Long slot bore, 10 regulations are slided in interlock plate, 7 valve driving plates, 8 valve interlock plates, 9 valve, 91 adjustable plates, 92 rectangle cover plates, 93
Bolt, 11 isolator operation bars, 12 spacing bent plates, 13 disconnecting switch casings, 14 arc-shaped slots, 15 guide rods, 16L shape grooves
Hole, 17 drive rods, 18 valve supporting plates, 19 limited posts, 20 moving contacts, 21 static contacts.
Embodiment
As shown in accompanying drawing 1-8, the present invention include operation handle 1, linkage, valve driving plate 7, valve interlock plate 8 with
And valve 9；The operation handle 1 includes handle body 1-1, handle arms 1-2, upper expansion plate 1-8, lower expansion plate 1-11 and convex
Wheel group；The handle arms 1-2 is fixedly mounted on handle body 1-1；Described upper expansion plate 1-8 one end is fixedly mounted on cam set
Interior, the cam set and lower expansion plate 1-11 are fixedly mounted in handle body 1-1.
Linkage of the present invention includes long slab 2 before handle interlocks, long slab 3, blocking lever 4, handle connection after handle interlocking
Lock bent plate 5 and handle interlock plate 6；The one end of long slab 2 is arranged on upper expansion plate 1-8 ends, the handle before the handle interlocking
The other end of long slab 2 is hinged with the one end of long slab 3 after handle interlocking before interlocking, the other end of long slab 3 after the handle interlocking
It is hinged with the one end of blocking lever 4, described the other end of blocking lever 4 is fixed with the handle interlocking one end of bent plate 5, described
Handle interlocks the other end of bent plate 5 and is hinged with the one end of handle interlock plate 6, described the other end of handle interlock plate 6 and the work
The one end of couplet on the door jam plate 8 is fixedly mounted on the one end of isolator operation bar 11, the other end of valve interlock plate 8 inner side
Drive rod 17 is set；The valve driving plate 7 is hinged by bearing pin and the lateral wall of disconnecting switch casing 13；The valve driving plate
7 bottoms set arc-shaped slot 14, and the top of valve driving plate 7 sets guide rod 15, and the drive rod 17 is arranged on deep-slotted chip breaker
In hole 14, the valve 9 is movably arranged on the top in disconnecting switch casing 13, and the end set L-shaped groove hole 16 of valve 9 is simultaneously
It is inserted into the through hole of the side wall of disconnecting switch casing 13, the guide rod 15 is arranged in L-shaped groove hole 16, blocking lever 4 and handle
Interlocking bent plate 5 is fixedly connected by regulating bolt 10.Regulating bolt 10 can be adjusted to the on/off switch position of operation handle 1
Section, ensure on/off switch in place.
Valve 9 of the present invention includes adjustable plate 91 and interval is fixedly mounted on the rectangle cover plate of the side of adjustable plate 91
92；It is arranged at intervals on the adjustable plate 91 and slides long slot bore 93, valve supporting plate 18 is set in the disconnecting switch casing 13,
Limited post 19 corresponding with sliding long slot bore 93 is uniformly arranged on valve supporting plate 18, the adjustable plate 91 is arranged on valve supporting plate
On 18 and limited post 19 is inserted into and slided in long slot bore 93, and valve 9 moves along limited post 19, realizes opening and closing for valve 9.Every
Leave to close and spacing bent plate 12 corresponding with the outer side edges of valve driving plate 7 is set in the side wall of casing 13, the spacing bent plate 12 can hinder
The dynamic excessive swing of driving plate 7 forward of gear.
As shown in accompanying drawing 8-12, operation handle 1 of the present invention also includes emergency release block 1-4 and fixture block 1-6；The hand
Handle body 1-1 is provided with inner chamber 1-14, and the fixture block 1-6 is fixedly installed in the groove of inner chamber 1-14 lower ends；The cam set is led to
Fixed pin shaft 1-15 is crossed to be fixedly mounted in handle body 1-1 mounting hole 1-19；Set on the outer walls of handle body 1-1 two
Curved handle sliding groove 1-16, the slidiing pin 1-17 installed in cam set corresponding to putting are arranged on handle sliding groove 1-16
Interior, the handle arms 1-2 is fixedly mounted on fixed pin shaft 1-15 and slidiing pin 1-17 both ends；The emergency release block 1-4 peaces
In the hole of handle body 1-1 bottoms, the lower expansion plate 1-11 end sets in the 1-14 of inner chamber with emergency release block 1-4
Connection, if fortuitous event occurs disconnecting switch cabinet door and do not opened, emergency release block 1-4 rotation sides can be blocked with screwdriver
To so as to rotate lower expansion plate 1-11, by chain function release unblock；The lower expansion plate 1-11 tops set square groove 1-
18.Reseting pressuring spring 1-12 is set between the lower expansion plate 1-11 lower ends and fixture block 1-6, and the lower expansion plate 1-11 lower ends are set
Boss 1-5 is put, the boss 1-5 is located in the upper end of reseting pressuring spring 12, and the handle body 1-1 is fixedly mounted on pedestal 1-13
On, extension spring is installed with pedestal 1-13 lower ends side below expansion plate 1-8 ends on described.
Cam set of the present invention includes two big cam 1-9 and is fixedly mounted on small between two big cam 1-9
Cam 1-10, the upper expansion plate 1-8 are fixedly mounted on small cam 1-10 sides and the tip away from small cam 1-10.When above stretching
When contracting plate 1-8 is not lifted, square groove 1-18 is blocked in small cam 1-10 tip, when ensureing that keeping apart shutdown is not turned off, every
Leaving pass can not close a floodgate, and operating personnel are not readily accessible to powered hazardous part.When at closing time, upper expansion plate lifts, small cam
1-10 tip is deviate from from square groove 1-18, and lower expansion plate 1-11 is lifted, and realizes feed motion of the present invention, ensures operation peace
Entirely.The top of the handle arms 1-2 sets black warning panel 1-3, the handle arms 1-2 bottom to set red warning panel 1-7.
For handle body 1 in separating brake safe condition, black warning panel 1-3 is red when disconnecting switch "on" position facing to operator
Warning panel 1-7 plays a part of warning facing to operator.
The present invention is six-bar linkage device, and operation handle 1 carries out long slab 2, handle connection before upper and lower rotational band fixed handle interlocking
Long slab 3 rotates with handle interlocking bent plate 5 after lock, and handle interlocking bent plate 5 pulls handle interlock plate 6, the handle interlocking rotational band of bent plate 6
Dynamic isolator operation bar 11 is rotated valve interlock plate 8, and drive rod 17 slides in arc-shaped slot 14, drives valve to move
The swing of driving plate 7, guide rod 15 slide in L-shaped groove hole 16, realize the folding of valve 9.Valve 9 is opened during "on" position
Open, and valve 9 is closed during gate-dividing state, the copper bar of disconnecting switch live part is not appeared in face of operator, avoids operating
Person's misconnection contacts electrical body, ensures the personal safety of operator.While the operation slip of valve 9 of splitting or integrating lock is carried out, in handle
Under the drive of interlock plate 6, moving contact 20 is rotated, and moving contact 20 is contacted with static contact 21, realizes the combined floodgate of disconnecting switch,
The present invention rotates up and down operation to drive the switch closing and switch opening of moving contact 20 and static contact 21 by operation handle 1, while makes work
Door 9 is opened and closed, the simple in construction, simple operation of the present invention, reliable.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in previous embodiment, or equivalent substitution is carried out to which part technical characteristic；And
These modifications are replaced, and the essence of appropriate technical solution is departed from the spirit and model of technical scheme of the embodiment of the present invention
Enclose.
Claims (10)
1. a kind of disconnecting switch on/off switch interlocking mechanism, it is characterised in that it includes operation handle（1）, linkage, valve drive
Dynamic plate（7）, valve interlock plate（8）And valve（9）；The operation handle（1）Including handle body（1-1）, handle arms（1-
2）, upper expansion plate（1-8）, lower expansion plate（1-11）And cam set；The handle arms（1-2）It is fixedly mounted on handle body
（1-1）On；The upper expansion plate（1-8）One end is fixedly mounted in cam set, the cam set and lower expansion plate（1-11）Gu
Dingan County is mounted in handle body（1-1）It is interior；Described linkage one end is arranged on upper expansion plate（1-8）End, the linkage
The other end and the valve interlock plate（8）One end is respectively and fixedly installed to isolator operation bar（11）One end, it is described
Valve interlock plate（8）Drive rod is set on the inside of the other end（17）；The valve driving plate（7）Pass through bearing pin and disconnecting switch case
Body（13）Lateral wall is hinged；The valve driving plate（7）Bottom sets arc-shaped slot（14）, the valve driving plate（7）Top
Guide rod is set（15）, the drive rod（17）It is arranged on arc-shaped slot（14）It is interior, the valve（9）It is movably arranged on and keeps apart
Close casing（13）Interior top, the valve（9）End set L-shaped groove hole（16）And it is inserted into disconnecting switch casing（13）Side wall
Through hole in, the guide rod（15）It is arranged on L-shaped groove hole（16）It is interior.
A kind of 2. disconnecting switch on/off switch interlocking mechanism according to claim 1, it is characterised in that the linkage bag
Include long slab before handle interlocks（2）, handle interlocking after long slab（3）, blocking lever（4）, handle interlocking bent plate（5）And handle interlock plate
（6）；Long slab before the handle interlocking（2）One end is arranged on upper expansion plate（1-8）End, long slab before the handle interlocking（2）Separately
One end and long slab after handle interlocking（3）One end is hinged, long slab after the handle interlocking（3）The other end and the interlocking
Bar（4）One end is hinged, the blocking lever（4）The other end and handle interlocking bent plate（5）One end is fixed, the handle
Interlock bent plate（5）The other end and handle interlock plate（6）One end is hinged, the handle interlock plate（6）Peace is fixed in the other end
Mounted in isolator operation bar（11）End.
A kind of 3. disconnecting switch on/off switch interlocking mechanism according to claim 1 or 2, it is characterised in that the valve（9）
Including adjustable plate（91）And interval is fixedly mounted on adjustable plate（91）The rectangle cover plate of side（92）；In the adjustable plate（91）
Upper be arranged at intervals slides long slot bore（93）, in the disconnecting switch casing（13）Interior setting valve supporting plate（18）, in valve supporting plate
（18）On be uniformly arranged with slide long slot bore（93）Corresponding limited post（19）, the adjustable plate（91）It is arranged on valve supporting plate
（18）Upper and limited post（19）It is inserted into slip long slot bore（93）It is interior.
4. a kind of disconnecting switch on/off switch interlocking mechanism according to claim 3, it is characterised in that in the disconnecting switch
Casing（13）Spacing bent plate is set in side wall（12）, the spacing bent plate（12）With valve driving plate（7）Outer side edges are corresponding.
A kind of 5. disconnecting switch on/off switch interlocking mechanism according to claim 1, it is characterised in that the operation handle（1）
Also include emergency release block（1-4）And fixture block（1-6）；The handle body（1-1）Inner chamber (1-14) is provided with, in inner chamber (1-
14) the fixed setting fixture block in the groove of lower end（1-6）；The cam set passes through fixed pin shaft（1-15）It is fixedly mounted on handle
Body（1-1）Mounting hole（1-19）It is interior；In the handle body（1-1）Curved handle sliding groove corresponding to being set on two outer walls
（1-16）, the slidiing pin installed in cam set（1-17）It is arranged on handle sliding groove（1-16）It is interior, the handle arms（1-2）
It is fixedly mounted on fixed pin shaft（1-15）And slidiing pin（1-17）Both ends；The emergency release block（1-4）Installed in handle sheet
Body（1-1）In the hole of bottom, the lower expansion plate（1-11）End set in inner chamber (1-14) with emergency release block（1-4）Even
Connect；The lower expansion plate（1-11）Top sets square groove（1-18）；In the lower expansion plate（1-11）Lower end and fixture block（1-6）
Between reseting pressuring spring is set（1-12）.
6. a kind of disconnecting switch on/off switch interlocking mechanism according to claim 5, it is characterised in that the cam set includes
Two big cams（1-9）And it is fixedly mounted on two big cams（1-9）Between small cam（1-10）, the upper expansion plate
（1-8）It is fixedly mounted on small cam（1-10）Side and remote small cam（1-10）Tip.
A kind of 7. disconnecting switch on/off switch interlocking mechanism according to claim 6, it is characterised in that the lower expansion plate（1-
11）Lower end sets boss（1-5）, the boss（1-5）Positioned at reseting pressuring spring（1-12）In upper end.
A kind of 8. disconnecting switch on/off switch interlocking mechanism according to claim 7, it is characterised in that the handle body（1-
1）It is fixedly mounted on pedestal（1-13）On, the expansion plate on described（1-8）End lower section and pedestal（1-13）Install lower end side
Extension spring.
A kind of 9. disconnecting switch on/off switch interlocking mechanism according to claim 8, it is characterised in that the handle arms（1-2）
Top set black warning panel（1-3）, the handle arms（1-2）Bottom red warning panel is set（1-7）.
A kind of 10. disconnecting switch on/off switch interlocking mechanism according to claim 4, it is characterised in that the blocking lever（4）
Bent plate is interlocked with handle（5）Pass through regulating bolt（10）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268546.4A CN105788947B (en) | 2016-04-27 | 2016-04-27 | A kind of disconnecting switch on/off switch interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268546.4A CN105788947B (en) | 2016-04-27 | 2016-04-27 | A kind of disconnecting switch on/off switch interlocking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105788947A CN105788947A (en) | 2016-07-20 |
| CN105788947B true CN105788947B (en) | 2017-11-21 |
Family
ID=56398725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610268546.4A Active CN105788947B (en) | 2016-04-27 | 2016-04-27 | A kind of disconnecting switch on/off switch interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105788947B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107633975A (en) * | 2017-10-20 | 2018-01-26 | 湖南长高高压开关集团股份公司 | A kind of double link transmission device for earthed switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH044535A (en) * | 1990-04-23 | 1992-01-09 | Toshiba Corp | Gas-blast-circuit-breaker |
| DE4240218A1 (en) * | 1991-12-04 | 1993-06-09 | Kabushiki Kaisha Tokai Rika Denki Seisakusho, Niwa, Aichi, Jp | Switch device integrated in combination with switch lever of vehicle - has movable contact brought into and out of contact with fixed contact by action of tappet actuated by push button cam. |
| CN104733214A (en) * | 2015-04-11 | 2015-06-24 | 安徽鑫龙电器股份有限公司 | Interlocking mechanism used for high-voltage switch cabinet |
| CN105304419A (en) * | 2015-10-26 | 2016-02-03 | 富玥婷 | Spring operating mechanism for circuit breaker |
| CN105428136A (en) * | 2015-12-24 | 2016-03-23 | 向荣集团有限公司 | Switch interlock device for earthing switch, breaker and rear door of switch cabinet |
-
2016
- 2016-04-27 CN CN201610268546.4A patent/CN105788947B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH044535A (en) * | 1990-04-23 | 1992-01-09 | Toshiba Corp | Gas-blast-circuit-breaker |
| DE4240218A1 (en) * | 1991-12-04 | 1993-06-09 | Kabushiki Kaisha Tokai Rika Denki Seisakusho, Niwa, Aichi, Jp | Switch device integrated in combination with switch lever of vehicle - has movable contact brought into and out of contact with fixed contact by action of tappet actuated by push button cam. |
| CN104733214A (en) * | 2015-04-11 | 2015-06-24 | 安徽鑫龙电器股份有限公司 | Interlocking mechanism used for high-voltage switch cabinet |
| CN105304419A (en) * | 2015-10-26 | 2016-02-03 | 富玥婷 | Spring operating mechanism for circuit breaker |
| CN105428136A (en) * | 2015-12-24 | 2016-03-23 | 向荣集团有限公司 | Switch interlock device for earthing switch, breaker and rear door of switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105788947A (en) | 2016-07-20 |
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