CN208753821U - Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device - Google Patents
Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device Download PDFInfo
- Publication number
- CN208753821U CN208753821U CN201821661672.7U CN201821661672U CN208753821U CN 208753821 U CN208753821 U CN 208753821U CN 201821661672 U CN201821661672 U CN 201821661672U CN 208753821 U CN208753821 U CN 208753821U
- Authority
- CN
- China
- Prior art keywords
- succession
- connecting rod
- cabinet door
- ejecting mechanism
- spring
- 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.)
- Active
Links
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a kind of central-positioned high-voltage switch cabinet machinery five-prevention interlocking devices, are related to high voltage switchgear equipment field.Currently, the anti-interlocking dress of mechanical five also fails therewith when switchgear cancels earthing switch.The utility model includes the transmission mechanism set on the cabinet door back side, the ejecting mechanism with transmission mechanism gearing；In cabinet door opening procedure, transmission mechanism ejects ejecting mechanism with cabinet door movement, and in cabinet door closing process, transmission mechanism makes ejecting mechanism retract with cabinet door movement, and ejecting mechanism is no longer prevented from high-voltage circuit-breaker cart forward movement after retracting；After high-voltage circuit-breaker cart Forward, high-voltage circuit-breaker cart is located above ejecting mechanism, and ejecting mechanism ejection is prevented to act, and it is mobile that ejecting mechanism limits transmission mechanism.The technical program is in the case where uneasiness fills earthing switch, by mechanical five-prevention interlocking device, realizes that high pressure when switch cabinet door opens and closes powers off and power transmission operation, reliability are higher.
Description
Technical field
The utility model relates to high voltage switchgear equipment field more particularly to the mechanical five anti-interlockings of central-positioned high-voltage switch cabinet
Device.
Background technique
As national intelligent power network continues to develop, not only in the reliability of product, high quality, miniaturization, intelligence, ring
Guarantor's type, non-maintaining etc. propose requirements at the higher level, while for operation and maintenance, the personal safety of operator, switching devices
Anti-misoperation have also been made strict requirements, therefore national standard high-tension switch gear must have perfect " five is anti-" measure,
The high-voltage switch gear cabinet equipment of domestic production at present mostly has this requirement, but having the anti-error measure in part is by electric blocking
Come what is realized, according to GB 3906-2006,5.11 interlocks regulation: in order to protect and be convenient for operation, the different elements of equipment
Between should install interlocking, design when, mechanical interlocking should be paid the utmost attention to.With current most commonly used 10kV middle KYN28A-12
For high-tension switch cabinet, when switchgear is equipped with JN15-12 earthing switch, five-prevention interlocking device is switched by operational grounding
A series of operating shaft, to realize that linkages carry out the requirement for reaching, meeting five mechanical anti-interlockings, but when switchgear cancels ground connection
When switch (being without earthing switch in many schemes of switchgear), the anti-interlocking dress of mechanical five also fails therewith, can only
It is realized with electric interlock.In order to mechanical interlocking be realized, to need to develop a set of complete in the case where uneasiness fills earthing switch
Kind interlock.
Utility model content
The technical problems to be solved in the utility model and the technical assignment of proposition be prior art is carried out improve with
It improves, central-positioned high-voltage switch cabinet machinery five-prevention interlocking device is provided, to realize mechanical in the case where uneasiness fills earthing switch
For the purpose of interlocking.For this purpose, the utility model takes following technical scheme.
Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device, including being set to the transmission mechanism at the cabinet door back side and passing
The ejecting mechanism that motivation structure interlocks；In cabinet door opening procedure, transmission mechanism ejects ejecting mechanism with cabinet door movement
To prevent high-voltage circuit-breaker cart from moving forward, in cabinet door closing process, transmission mechanism makes to eject with cabinet door movement
Mechanism retracts, and ejecting mechanism is no longer prevented from high-voltage circuit-breaker cart forward movement after retracting；After high-voltage circuit-breaker cart Forward,
High-voltage circuit-breaker cart is located above ejecting mechanism, and ejecting mechanism ejection is prevented to act, and it is mobile that ejecting mechanism limits transmission mechanism
It is in transmission mechanism and tenses cabinet door state, the cabinet door at breaker operating position is avoided to open.In uneasy attaching
In the case that ground switchs, by realizing mechanical five-prevention interlocking device, realize that height when switch cabinet door opens and closes is broken
Electricity and power transmission operation, reduce the complexity of conventional electrical interlock circuit device, improve the reliability of high pressure power-off and power transmission.
As further improving and supplementing to above-mentioned technical proposal, the utility model further includes that following supplementary technology is special
Sign.
As optimization technique means: the transmission mechanism includes connecting rod, and one end of connecting rod is connected with cabinet door, another
End is connected with ejecting mechanism, when cabinet door is opened, connecting rod Forward, and ejecting mechanism ejection；When cabinet door is closed, connecting rod
It moves back, ejecting mechanism retracts.Control ejecting mechanism movement is connected by connecting rod, structure is simple, reliably.
As optimization technique means: the connecting rod is equipped with spring, and one end of spring is connected with switch cabinet body, spring
The other end be connected with connecting rod, when cabinet door open when, connecting rod spring elastic force effect under move forward.It is mentioned by spring
For the passage power of connecting rod, structure is simple, high reliablity.
As optimization technique means: the spring is set to the middle part of connecting rod, and the tail portion of spring offsets with a baffle, spring
Head offset with a spring base, the baffle is vertically fixedly arranged on switch cabinet, and the spring base is installed on connecting rod, institute
The tie rod holes to match with connecting rod are opened up in the middle part of the spring stop stated.It is simple and reliable for structure, keep spring reliable and stable and connecting rod
Connection.
As optimization technique means: the front of the connecting rod is equipped with a hook, and described hook one end is connected with connecting rod,
The other end and cabinet door of hook match, and at breaker operating position, hook on cabinet door, lock switchgear
Door.Under connecting rod effect, the open and close control of cabinet door is conveniently realized by linking up with.
As optimization technique means: the tail portion of the hook is equipped with kidney slot, and the connecting rod is equipped with and kidney slot
The first positioning pin to match, the hook middle part are rotatablely connected with switch cabinet, and the head of hook is equipped with the hook to raise upward
Extension portion.Hook middle part is rotatablely connected with switch cabinet, and is matched by the first positioning pin kidney slot, convenient under connecting rod effect
Ground realizes that hook carries out rotation operation around rotatable connecting portion, realizes the opening and closing of cabinet door, opening and closing structure is simple and reliable.
As optimization technique means: the ejecting mechanism includes guide rod, the swing component that is connected with guide rod and connecting rod；Connecting rod
The rotation of mobile drive swing component, guide rod moves up and down therewith.It is rotated by the mobile drive swing component of connecting rod, and then controls and lead
Bar moves up and down, and structure is simple, ejects convenient and reliable operation.
As optimization technique means: the swing component is won in succession including first, second wins in succession, and first wins in succession wins in succession with second
One end connect with seat of winning in succession, first win in succession with second win in succession between there is angle α, wherein 80 °≤α≤100 °, first connects
The other end pulled is connected with connecting rod, second other end won in succession is connected with guide rod.First win in succession and second win in succession between have it is solid
Clamp angle, and by seat connection of winning in succession, keep swing component connection structure simple, it is convenient and reliable.
As optimization technique means: the first connection connecting-rod head won in succession opens up kidney slot, and first wins in succession by being inserted into kidney-shaped
Second positioning pin in hole is connect with link rotatable；The second connection guide end won in succession opens up kidney slot, and second, which wins in succession, passes through insertion
The third positioning pin and guide rod of kidney slot are rotatablely connected.By the positional relationship of the second positioning pin and kidney slot, second, which wins in succession, turns
, it can be achieved that the left-right orientation movement of directed movement and connecting rod above and below guide rod when dynamic.
As optimization technique means: first win in succession with second win in succession between angle α are as follows: 85 °≤α≤95 °, described
One wins in succession, second win in succession it is stacked after be rotatably coupled to win in succession on seat by connector.Win in succession by first, second win in succession it is folded
The seat that postpones and win in succession is rotatably connected, and can easily realize the swing of swing component.
The utility model has the advantages that mechanical structure is simple, reliable and stable, it is quick on the draw, has conveniently realized mechanical interlock, realization pair
High pressure power-off and power transmission operation when cabinet door opens and closes, reduce the complexity of conventional electrical interlock circuit device,
The reliability of high pressure power-off and power transmission is improved, safety is improved.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model at circuit-breaker testing position.
Fig. 2 is structural schematic diagram of the utility model at breaker operating position.
In figure: 1- circuit breaker cart；2- cabinet door；3- locking bar；4- connecting rod；5- spring；6- hook；7- first wins in succession；
8- second wins in succession；9- guide holder；10- guide rod；11- wins in succession seat.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with Figure of description.
As shown in Figs. 1-2, central-positioned high-voltage switch cabinet machinery five-prevention interlocking device, including being set to 2 back side of cabinet door
Transmission mechanism, the ejecting mechanism interlocked with transmission mechanism；In 2 opening procedure of cabinet door, transmission mechanism is mobile with cabinet door 2
Ejecting mechanism is ejected to prevent high-voltage circuit-breaker cart 1 from moving forward, in 2 closing process of cabinet door, transmission mechanism is with opening
Closing the movement of cabinet door 2 makes ejecting mechanism retract, and ejecting mechanism is no longer prevented from the forward movement of high-voltage circuit-breaker cart 1 after retracting；Work as height
After voltage breaker handcart 1 moves forward, high-voltage circuit-breaker cart 1 is located above ejecting mechanism, and ejecting mechanism ejection is prevented to act, ejection
Mechanism limitation transmission mechanism is mobile to make transmission mechanism be in tension 2 state of cabinet door, avoids opening at breaker operating position
Cabinet door 2 is closed to open.In the case where uneasiness fills earthing switch, by realizing mechanical five-prevention interlocking device, realize to switchgear
High pressure power-off and power transmission operation when door 2 opens and closes, reduce the complexity of conventional electrical interlock circuit device, improve
The reliability of high pressure power-off and power transmission.
In order to realize the connection and ejection control of cabinet door 2 and ejecting mechanism, transmission mechanism includes connecting rod 4, connecting rod 4
One end is connected with cabinet door 2, and the other end is connected with ejecting mechanism, and when cabinet door 2 is opened, connecting rod 4 moves forward, ejecting mechanism
Ejection；When cabinet door 2 is closed, connecting rod 4 is moved back, and ejecting mechanism retracts.Cabinet door 2 passes through the connection control ejection of connecting rod 4
Mechanism kinematic, structure is simple, reliably.
In order to promote the connective stability with cabinet door 2, connecting rod 4 is equipped with spring 5, one end of spring 5 and switchgear
Cabinet body is connected, and the other end of spring 5 is connected with connecting rod 4, and when cabinet door 2 is opened, connecting rod 4 is under the elastic force effect of spring 5
It moves forward.The passage power of connecting rod 4 is provided by spring 5, structure is simple, high reliablity, keeps the operation of cabinet door 2 lighter
Pine, it is more stable with the connection of cabinet door 2.
In order to keep spring 5 and the connection of connecting rod 4 more stable and reliable, spring 5 be set to connecting rod 4 middle part, the tail portion of spring 5 with
One baffle offsets, and the head of spring 5 offsets for 5 with a spring, and baffle is vertically fixedly arranged on switch cabinet, 5 companies of being installed in of spring
On bar 4,4 hole of connecting rod to match with connecting rod 4 is opened up in the middle part of 5 baffle of spring.It is simple and reliable for structure, keep spring 5 reliable and stable
It is connect with connecting rod 4.
In order to realize the open and close control of cabinet door 2, the front of connecting rod 4 is equipped with a hook 6, links up with 6 one end and 4 phase of connecting rod
Even, the other end and cabinet door 2 for linking up with 6 match, and at breaker operating position, hook 6 is hooked on cabinet door 2, lock
Firmly cabinet door 2.Under the effect of connecting rod 4, the open and close control of cabinet door 2 is conveniently realized by hook 6.
In order to more simply and reliablely realize opening and closing operations, the tail portion for linking up with 6 is equipped with kidney slot, and connecting rod 4 is equipped with and kidney-shaped
The first positioning pin that hole matches, 6 middle part of hook are rotatablely connected with switch cabinet, and the head for linking up with 6 is equipped with the hook to raise upward
Portion.6 middle part of hook is rotatablely connected with switch cabinet, and is matched by the first positioning pin kidney slot, convenient under the effect of connecting rod 4
Ground realizes that hook 6 carries out rotation operation around rotatable connecting portion, and the opening and closing of cabinet door 2, opening and closing structure letter is better achieved
It is single reliable.
In order to realize the ejection operation of ejecting mechanism, ejecting mechanism includes guide rod 10, the pendulum that is connected with guide rod 10 and connecting rod 4
Moving part；The mobile drive swing component of connecting rod 4 rotates, and guide rod 10 moves up and down therewith.Turned by the mobile drive swing component of connecting rod 4
It is dynamic, and then control guide rod 10 and move up and down, structure is simple, ejects convenient and reliable operation.
In order to realize the swing of simple and reliable swing component, swing component includes first winning in succession and 7, second winning 8 in succession, and first wins in succession
7 pass through connector and are rotatably connected with seat 11 of winning in succession with second win in succession 8 one end, and first, which wins in succession, 7 and second wins in succession between 8
Angle is 90 °, first win in succession 7 the other end be connected with connecting rod 4, second win in succession 8 other end is connected with guide rod 10.First wins in succession
7 and second win in succession and have fixed angle between 8, and are connected by seat 11 of winning in succession, keep swing component connection structure simple, convenient and reliable
The swing of ground realization swing component.
In order to realize the directed movement of connecting rod 4 and guide rod 10, the first win in succession 74 end of connection connecting rod opens up kidney slot, and first
7 the second positioning pin and connecting rod 4 by being inserted into kidney slot of winning in succession is rotatablely connected；Second win in succession 8 10 end of connection guide opens up waist
Shape hole, second win in succession 8 by insertion kidney slot third positioning pin and guide rod 10 be rotatablely connected.Pass through the second positioning pin and kidney-shaped
The positional relationship in hole, second win in succession 8 rotation when, it can be achieved that about 10 guide rod directed movement and connecting rod 4 left-right orientation movement.
As shown in Figure 1, when high-voltage circuitbreaker is in testing position, cabinet door 2 is opened, the pushing away to the left in spring 5 of connecting rod 4
Under dynamic, pull first to win in succession and 78 is rotated counterclockwise to drive second to win in succession, guide rod 10 is pushed to move upwards in guide holder 9,
Guide rod 10 blocks high-voltage circuit-breaker cart 1, keeps it in testing position and cannot be moved to the left and enters operating position, to protect
It has demonstrate,proved the high pressure when cabinet door 2 is not shut and has been unable to power transmission.
As shown in Fig. 2, cabinet door 2 pushes to the right 4 compressed spring 5 of connecting rod when cabinet door 2 is shut, hook 6 is driven
Catch on the locking bar 3 of cabinet door 2, while connecting rod 4 pushes to the right first to win in succession 78 to rotate clockwise to drive second to win in succession, band
Dynamic guide rod 10 moves downward in guide holder 9, unlocks circuit breaker cart 1, high-voltage circuit-breaker cart 1 can be just moved to the left, from examination
It tests position and is moved to operating position, after circuit breaker cart 1 is moved to operating position, guide rod is pushed down in 1 bottom of circuit breaker cart
10 prevent it from moving up, to guarantee that hook 6 will not thread off by connecting rod 4, it is ensured that feelings of the cabinet door 2 in electrification in high voltage
It cannot be opened under condition.
Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device shown in figure 1 above -2 is the specific implementation of the utility model
Example, has embodied the utility model in essence feature and progress, needs can be used according to actual, in opening for the utility model
Under showing, the equivalent modifications of shape, structure etc., the column in the protection scope of this programme are carried out to it.
Claims (10)
1. central-positioned high-voltage switch cabinet machinery five-prevention interlocking device, it is characterised in that: the biography including being set to cabinet door (2) back side
Motivation structure, the ejecting mechanism interlocked with transmission mechanism；In cabinet door (2) opening procedure, transmission mechanism is moved with cabinet door (2)
It is dynamic to eject ejecting mechanism to prevent high-voltage circuit-breaker cart (1) from moving forward, in cabinet door (2) closing process, driver
Structure makes ejecting mechanism retract with cabinet door (2) movement, and ejecting mechanism is no longer prevented from high-voltage circuit-breaker cart (1) forward after retracting
It is mobile；After high-voltage circuit-breaker cart (1) Forward, high-voltage circuit-breaker cart (1) is located above ejecting mechanism, prevents ejecting mechanism
Ejection movement, ejecting mechanism limitation transmission mechanism is mobile to make transmission mechanism be in cabinet door (2) state of tension, avoids in open circuit
Cabinet door (2) is opened when device operating position.
2. central-positioned high-voltage switch cabinet machinery five-prevention interlocking device according to claim 1, it is characterised in that: the biography
Motivation structure includes connecting rod (4), and one end of connecting rod (4) is connected with cabinet door (2), and the other end is connected with ejecting mechanism, works as switch
When cabinet door (2) is opened, connecting rod (4) Forward, ejecting mechanism ejection；When cabinet door (2) are closed, connecting rod (4) is moved back, ejector
Structure retracts.
3. central-positioned high-voltage switch cabinet machinery five-prevention interlocking device according to claim 2, it is characterised in that: the company
Bar (4) is equipped with spring (5), and one end of spring (5) is connected with switch cabinet body, the other end and connecting rod (4) phase of spring (5)
Even, when cabinet door (2) are opened, connecting rod (4) moves forward under the elastic force effect of spring (5).
4. central-positioned high-voltage switch cabinet machinery five-prevention interlocking device according to claim 3, it is characterised in that: the bullet
Spring (5) is set to the middle part of connecting rod (4), and tail portion and a baffle for spring (5) offsets, head and a spring (5) the seat phase of spring (5)
It supports, the baffle is vertically fixedly arranged on switch cabinet, and the spring (5) seat is installed on connecting rod (4), the spring (5)
Connecting rod (4) hole to match with connecting rod (4) is opened up in the middle part of baffle.
5. central-positioned high-voltage switch cabinet machinery five-prevention interlocking device according to claim 4, it is characterised in that: the company
The front of bar (4) is equipped with a hook (6), and the hook (6) one end is connected with connecting rod (4), links up with the other end and switch of (6)
Cabinet door (2) matches, and at breaker operating position, hook (6) is hooked on cabinet door (2), locks cabinet door (2).
6. central-positioned high-voltage switch cabinet machinery five-prevention interlocking device according to claim 5, it is characterised in that: the extension
The tail portion of hook (6) is equipped with kidney slot, and the connecting rod (4) is equipped with the first positioning pin to match with kidney slot, the hook
(6) middle part is rotatablely connected with switch cabinet, and the head of hook (6) is equipped with the hook portion to raise upward.
7. central-positioned high-voltage switch cabinet machinery five-prevention interlocking device according to claim 6, it is characterised in that: the top
Out mechanism include guide rod (10), the swing component that is connected with guide rod (10) and connecting rod (4)；The mobile drive swing component of connecting rod (4) turns
Dynamic, guide rod (10) moves up and down therewith.
8. central-positioned high-voltage switch cabinet machinery five-prevention interlocking device according to claim 7, it is characterised in that: the pendulum
Moving part include first win in succession (7), second wins in succession (8), first win in succession (7) with second win in succession (8) one end with seat of winning in succession (11)
Connection, first, which wins in succession (7), wins in succession between (8) with second with angle α, wherein 80 °≤α≤100 °, first wins in succession the another of (7)
End is connected with connecting rod (4), second other end for winning (8) in succession is connected with guide rod (10).
9. central-positioned high-voltage switch cabinet machinery five-prevention interlocking device according to claim 8, it is characterised in that: first wins in succession
(7) connection connecting rod (4) end opens up kidney slot, first win in succession (7) turned by second positioning pin and connecting rod (4) of insertion kidney slot
Dynamic connection；Second connection guide (10) end for winning (8) in succession opens up kidney slot, and second wins in succession the third of (8) by insertion kidney slot
Positioning pin and guide rod (10) are rotatablely connected.
10. central-positioned high-voltage switch cabinet machinery five-prevention interlocking device according to claim 9, it is characterised in that: first connects
Pull (7) and the second angle α for winning in succession between (8) are as follows: 85 °≤α≤95 °, described first wins in succession (7), second win in succession (8) it is stacked
It is rotatably coupled to win in succession on seat (11) by connector afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821661672.7U CN208753821U (en) | 2018-10-12 | 2018-10-12 | Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821661672.7U CN208753821U (en) | 2018-10-12 | 2018-10-12 | Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208753821U true CN208753821U (en) | 2019-04-16 |
Family
ID=66085815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821661672.7U Active CN208753821U (en) | 2018-10-12 | 2018-10-12 | Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208753821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167289A (en) * | 2018-10-12 | 2019-01-08 | 杭州电力设备制造有限公司富阳容大成套电气制造分公司 | Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device |
| CN111478195A (en) * | 2020-04-26 | 2020-07-31 | 宁波甬新东方电气有限公司 | Feeder cabinet |
-
2018
- 2018-10-12 CN CN201821661672.7U patent/CN208753821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167289A (en) * | 2018-10-12 | 2019-01-08 | 杭州电力设备制造有限公司富阳容大成套电气制造分公司 | Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device |
| CN111478195A (en) * | 2020-04-26 | 2020-07-31 | 宁波甬新东方电气有限公司 | Feeder cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208753821U (en) | Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device | |
| CN203589571U (en) | High-voltage switch cabinet with modular operating mechanism | |
| CN103794997A (en) | Five-prevention interlocking device in bypass centrally-arranged cabinet | |
| CN110247330B (en) | Switch cabinet and valve driving mechanism with self-locking function | |
| CN207966797U (en) | Breaker and disconnecting switch, the interlocking mechanism of earthing switch | |
| CN210379849U (en) | Low-voltage incoming cabinet and grounding switch protection interlocking device thereof | |
| CN108565706A (en) | Interlocking device for double doors and switchgear | |
| CN109167289A (en) | Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device | |
| CN201820659U (en) | Five-prevention interlocking operation device in load switchgear | |
| CN110224328A (en) | A kind of combined electrical apparatus | |
| CN108461332A (en) | Breaker and disconnecting switch, the interlocking mechanism of earthing switch | |
| CN209730629U (en) | A kind of combined electrical apparatus | |
| CN205881802U (en) | Keep apart sword interlocking operating device | |
| CN204720344U (en) | The fixed five anti-interlocking operation mechanisms of a kind of QH1 type mesohigh | |
| CN201655574U (en) | Spring-operating device of load switch | |
| CN207966794U (en) | The mechanical interlock mechanism of high-tension switch cabinet | |
| CN215417982U (en) | Interlocking mechanism for circuit breaker operating mechanism, three-position switch and ring main unit | |
| KR20170003662U (en) | Handle interlock device of distribution panel | |
| KR102595092B1 (en) | Locking device | |
| CN204905139U (en) | Solid insulated cabinets no. 5 prevents interlocking device | |
| CN208157315U (en) | Earthing switch back door interlocking device | |
| CN205487822U (en) | Operating device that interlocks is prevented to QHA2 type middle and high voltage fixed five | |
| CN219303516U (en) | Miniaturized cubical switchboard interlock | |
| CN107833770B (en) | Interlocking control device | |
| CN208478220U (en) | A kind of five anti-interlocking operation mechanisms of middle-high voltage switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190508 Address after: 310018 No. 11 street, Hangzhou economic and Technological Development Zone, Zhejiang 91 Co-patentee after: Hangzhou Electric Equipment Manufacturing Co., Ltd. Fuyang Rongda Complete Electrical Manufacturing Branch Patentee after: Hangzhou Electric Power Equipment Manufacture Co., Ltd. Co-patentee after: Fuyang district power supply Co., Ltd., Hangzhou City, Zhejiang Address before: 311400 No. 1218 Gongwang Street, Fuchun Street, Fuyang District, Hangzhou City, Zhejiang Province Co-patentee before: Fuyang district power supply Co., Ltd., Hangzhou City, Zhejiang Patentee before: Hangzhou Electric Equipment Manufacturing Co., Ltd. Fuyang Rongda Complete Electrical Manufacturing Branch |
|
| TR01 | Transfer of patent right |