CN208336070U - It is a kind of manually and electronic in integrated on-load switch three position mechanism - Google Patents
It is a kind of manually and electronic in integrated on-load switch three position mechanism Download PDFInfo
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- CN208336070U CN208336070U CN201820280487.7U CN201820280487U CN208336070U CN 208336070 U CN208336070 U CN 208336070U CN 201820280487 U CN201820280487 U CN 201820280487U CN 208336070 U CN208336070 U CN 208336070U
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Abstract
The utility model discloses a kind of manually and electronic in integrated on-load switch three position mechanism, including rack, characterized in that rack is equipped with grounding switch operating device, closing switch operating device, three station output devices and electric device.The utility model passes through three station output devices, two input shafts are combined into one, pass through the improvement to operating mechanism internal structure, the input for realizing two axis passes through an axis output, it is compact-sized, suitability is strong, and the utility model passes through the connecting rod being arranged between earthing switch operating shaft and main switch operating shaft, the torque that two operating shafts input is united, it will not influence between each other in the input of different torques, also, different input torques can realize independent output by an output shaft.
Description
Technical field
The utility model relates to three position mechanisms, more particularly, to three station operating mechanisms of on-load switch.
Background technique
The mission of on-load switch be by contact point, conjunction movement realize switching on and off for circuit, and contact point,
Conjunction movement is realized by operating mechanism.Structure is complicated for existing operating mechanism, and manufacture difficulty is big and cumbersome.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of manually and electronic in integrated three work of on-load switch
Position mechanism can realize combined floodgate-three Switch of working position of separating brake-ground connection behaviour by two input stations and an output station
Make, it is compact structure and easy to use.
The utility model technical scheme applied to solve the technical problem is:
A kind of manually and electronic in integrated on-load switch three position mechanism, including rack, rack is equipped with earthing switch
Operating device, closing switch operating device, three station output devices and electric device, three station output devices include rigid connection
Output sleeve and the first connecting lever, output sleeve rotatably cooperates with rack, and the side of the first connecting lever is equipped with differential plate, differential plate
It is equipped with the first sliding groove, the other side of the first connecting lever is equipped with the first trundle, is rotatably coupled first on the first trundle
Connecting rod is equipped with spring energy storage device between grounding switch operating device and main switch operating device, grounding switch operating device
One end stretches out in the side of rack and can rotate that spring energy storage device is driven to carry out energy storage under manual actuation, works as bullet
When spring energy storing device turns over maximum energy storage position, release energy storage continues to rotate grounding switch operating device, at this time earthing switch
Operating device drives the rotation of three station output devices to output torque by the first sliding groove；One end of main switch operating device
It stretches out in the same side of rack and electric or hand can be rotated by that spring energy storage device is driven to carry out energy storage, when
When spring energy storage device turns over maximum energy storage position, release energy storage continues to rotate main switch operating device, and main switch is grasped at this time
Make device and drives the rotation of three station output devices to output torque by first connecting rod and the first trundle.
Further, rack includes the first frame plate and the second frame plate, is led between the first frame plate and the second frame plate
Pillar is crossed to be fixedly connected.
Further, grounding switch operating device includes that earthing switch operating shaft, the second connecting lever and setting are turned second
The second trundle between arm, earthing switch operating shaft rotatably cooperate with the first frame plate.
Further, main switch operating device include main switch operating shaft, third connecting lever and setting third connecting lever it
Between third trundle, main switch operating shaft rotatably cooperates with the first frame plate.
Further, spring energy storage device includes pressure spring, the first pressure spring head and the second pressure spring head, the first pressure spring head and second
It is connected between pressure spring head by telescopic fourth link, pressure spring is set in fourth link, and the first pressure spring head is rotationally pacified
On the second trundle, the second pressure spring head is installed in rotation on third trundle.
Further, further include limiting device, limiting device includes the first limit plate and the 5th connecting lever, the first limit plate and
5th connecting lever is installed in rotation on respectively in main switch operating shaft, and one end of the first limit plate is equipped with stroke spring, the other end
Equipped with the second limit plate and grab, the second limit plate is perpendicular to the first limit plate and positioned at the outside of the 5th connecting lever, first connecting rod
It is equipped with the recess cooperated with grab.
It further, further include instruction device, instruction device includes signal shaft, and signal shaft is installed in rotation on the first machine
Between frame plate and the second frame plate, signal shaft is equipped with the 5th connecting rod, and one end and the first connecting lever of the 5th connecting rod are linked, separately
One end connects microswitch, and one end of signal shaft stretches out on the outside of the first frame plate and is fixedly connected with switch state indicating piece.
It further, further include the first interlock, the first interlock includes the first interlock plate, and the two of the first interlock plate
End is respectively equipped with earthing switch operation axis hole and main switch operation axis hole, and earthing switch operates axis hole and main switch operation axis hole is equal
For half bore, the first interlock plate is mounted on the first frame plate by interlock plate fixinig plate, and the first interlock plate can be solid along interlock plate
Stator is mobile, and shift motion meets: when main switch operating shaft is exposed to main switch handle hole, the other end of the first interlock plate
Earthing switch operating shaft is covered, vice versa；First interlock plate is equipped with stroke groove, is equipped with padlock slide plate, padlock in stroke groove
Slide plate is T-shaped, and transverse part is located in the first interlock plate, and vertical part stretches out in except the first interlock plate and is equipped with protective case.
It further, further include the second interlock, the second interlock includes the second interlock plate, the setting of the second interlock plate
The first mechanism plate lower part outside and can move up and down, the second interlock plate is equipped with locking plate, in earthing switch operating shaft
Equipped with the 4th connecting lever, the 4th connecting lever is equipped with the 4th trundle, and the first interlock plate is equipped with the shifting chute of the 4th trundle, and the 4th
Trundle can move to limit the second interlock plate with locking plate cooperation in shifting chute.
Further, electric device includes motor, and the 5th connecting lever is fixedly connected on the output shaft of motor, the 5th connecting lever
Outer end is rotatably coupled fourth link, and the other end of fourth link is equipped with curved portion, has been rotatably coupled in fourth link
6th connecting lever, the 6th connecting lever are set in main switch operating shaft by the aperture in the middle part of it, and the other end of the 6th connecting lever is equipped with arc
Shape slot.
The beneficial effects of the utility model are: (1) the utility model is closed two input shafts by three station output devices
Two be one, by the improvement to operating mechanism internal structure, realizes the input of two axis by an axis output, structure is tight
It gathers, suitability is strong.
(2) the utility model passes through the connecting rod being arranged between earthing switch operating shaft and main switch operating shaft, by two
The torque of operating shaft input is united, and will not influence between each other in the input of different torques, also, different input torques
Independent output can be realized by an output shaft.
(3) the utility model is provided with limiting device in main switch operating shaft, can rotate in place it in energy storage device
It is preceding that connecting rod is limited, prevent three station output devices from rotating in advance.
(4) the utility model is provided with the first interlock plate between earthing switch operating shaft and main switch operating shaft, it is ensured that
Two switch operating shafts will not export simultaneously, thus ground connection when hot line job main switch and main switch being prevented to be closed.
(5) the utility model is also provided with the interlock with switchgear Xiamen, by the second locking plate, when preventing from opening the door
Divide earthing switch.
(6) the main switch operating shaft of the utility model can be driven by electric or hand mode, and electronic driving
Structure and manually driving structure will not interfere, and the scope of application is wider.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model.
Fig. 2 is the explosive view of the utility model.
Fig. 3 is the schematic diagram that the utility model conceals rack and external structure.
Fig. 4 is the energy storage principle figure of the utility model.
Fig. 5 is the schematic diagram of the three position mechanism of the utility model.
Figure label: output sleeve 1, the first connecting lever 2, differential plate 3, the first sliding groove 4, the first trundle 5, first connecting rod
6, the first frame plate 7, the second frame plate 8, pillar 9, earthing switch operating shaft 10, the second connecting lever 11, the second trundle 12, master open
Close operating shaft 13, third connecting lever 14, third trundle 15, pressure spring 16, the first pressure spring head 17, the second pressure spring head 18, fourth link
19, the first limit plate 20, stroke spring 21, the second limit plate 22, grab 23, recess 24, signal shaft 25, the 5th connecting rod 26 is micro-
Dynamic switch 27, switch state indicating piece 28, the first interlock plate 29, earthing switch operate axis hole 30, and main switch operates axis hole 31, connection
Jam plate fixinig plate 32, stroke groove 33, padlock slide plate 34, protective case 35, the second interlock plate 36, locking plate 37, the 4th connecting lever 38, the
Four trundles 39, key lock 41, the 5th connecting lever 42, motor 43, the 5th connecting lever 44, fourth link 45, curved portion 46, the 6th connecting lever
47, arc groove 48, notch 49.
Specific embodiment
It is described in further details below in conjunction with specific embodiment of the attached drawing to the utility model, it is noted that
Embodiment is only specifically described the utility model, is not construed as the restriction to the utility model.
As shown, the utility model discloses a kind of manually and electronic in integrated on-load switch three position mechanism, packet
Including rack, it is defeated that rack is equipped with grounding switch operating device, closing switch operating device and three station output devices, three stations
Device includes rigidly connected output sleeve 1 and the first connecting lever 2 out, and output sleeve 1 rotatably cooperates with rack, the first connecting lever 2
Side be equipped with differential plate 3, differential plate 3 is equipped with the first sliding groove 4, and the other side of the first connecting lever 2 is equipped with the first trundle 5,
It is rotatably coupled first connecting rod 6 on first trundle 5, bullet is equipped between grounding switch operating device and main switch operating device
Spring energy storing device, one end of grounding switch operating device stretch out in the side of rack and can be rotated under manual actuation to
Spring energy storage device is driven to carry out energy storage, when spring energy storage device turns over maximum energy storage position, release energy storage makes earthing switch
Operating device continues to rotate, at this time grounding switch operating device by the first sliding groove drive three station output devices rotation to
Output torque；One end of main switch operating device stretches out in the same side of rack and can rotate to drive under manual actuation
Spring energy storage device carries out energy storage, and when spring energy storage device turns over maximum energy storage position, release energy storage makes main switch operation dress
Set and continue to rotate, at this time main switch operating device by first connecting rod and the first trundle drive the rotation of three station output devices from
And output torque.
Specifically, rack includes the first frame plate 7 and the second frame plate 8, the first frame plate 7 and the second frame plate 8 it
Between be fixedly connected by pillar 9.
Grounding switch operating device include earthing switch operating shaft 10, the second connecting lever 11 and setting the second connecting lever 11 it
Between the second trundle 12, earthing switch operating shaft 10 and the first frame plate 7 rotatably cooperated by axle sleeve, and outer end stretches out in
Except first frame plate 7.
Main switch operating device includes main switch operating shaft 13, third connecting lever 14 and is arranged between third connecting lever 14
Third trundle 15, main switch operating shaft 13 are rotatably cooperated with the first frame plate 7 by axle sleeve, and outer end also stretches out in first
Except frame plate 7.
Spring energy storage device includes pressure spring 16, the first pressure spring head 17 and the second pressure spring head 18, the first pressure spring head 17 and second
It is connected between pressure spring head 18 by telescopic fourth link 19, pressure spring 16 is set in fourth link 19, the first pressure spring head 17
It is installed in rotation on the second trundle 12, the second pressure spring head 18 is installed in rotation on third trundle 15, works as ground connection
When switch operation device rotates, 17 compression press spring 16 of the first pressure spring head will drive to carry out energy storage；When main switch operating device
When rotation, the second pressure spring head 18 meeting opposite direction compression press spring 16 is to carry out energy storage.
As a preferred mode, the three position mechanism of the utility model further includes limiting device, and limiting device includes
First limit plate 20 and the 5th connecting lever 42, the first limit plate 20 are installed in rotation in main switch operating shaft 13, the 5th connecting lever
42 are also rotatably mounted in main switch operating shaft 13, and one end of the first limit plate 20 is equipped with stroke spring 21, the other end
Equipped with the second limit plate 22 and grab 23, first connecting rod 6 is equipped with the recess 24 cooperated with grab 23, and the second limit plate 22 is vertical
In the first limit plate 20 and positioned at the outside of the 5th connecting lever 42, in this way, the second limit plate 22 can be along the outer of the 5th connecting lever 42
Slideslip, the 5th connecting lever 42 will not influence the swing of the second limit plate 22, but the 5th connecting lever 42 is equipped with third trundle 15
Sliding groove, when main switch operating shaft 13 rotate when, third trundle 15 can move in the sliding groove of the 5th connecting lever 42, band
Dynamic third connecting lever 14 is turned to interfere with the second limit plate 22 and jack up the second limit plate 22 upwards and be rotated, at this time stretching travel
Spring 21 makes its accumulation of energy, interferes so that grab 23 and recess 24 be made to be detached from, and first connecting rod 6 can rotate at this time, the output of three stations
Device can output torque, after the completion of primary output, third connecting lever 14 no longer the second limit plate 22 of contact when, stroke spring
21 release accumulation of energys reset the first limit plate 20, prepare for subsequent operation, slide in addition, the back side of the 5th connecting lever 42 is additionally provided with one
Dynamic pin, the second mechanism plate 8 are equipped with the loose slot of the sliding pin, and sliding pin can be slided back and forth in the range of loose slot limits
It is dynamic, to limit the slewing area of the 5th connecting lever 42.
As a preferred mode, the three position mechanism of the utility model further includes instruction device, and instruction device includes
Signal shaft 25, signal shaft 25 are installed in rotation between the first frame plate 7 and the second frame plate 8, and signal shaft 25 is equipped with the
Five connecting rods 26, one end of the 5th connecting rod 26 are linked with the first connecting lever 2, and the other end connects microswitch 27, signal shaft 25
One end stretches out in the outside of the first frame plate 7 and is fixedly connected with switch state indicating piece 28, when grounding switch operating device or
When the rotation of main switch operating device drives the rotation of three station output devices and output torque, first on three station output devices is turned
Arm 2 drives the rotation of the 5th connecting rod 26, to trigger microswitch 27, microswitch 27 exports electronics instruction, in addition, the 5th connecting rod
26 rotations drive signal shaft 25 to rotate, and then switch state indicating piece 28 also rotates with it, thus in the shell of three position mechanism
On indicate corresponding state, such as close a floodgate, separating brake or ground connection.
As a preferred mode, the three position mechanism of the utility model further includes the first interlock, the first interlocking
Device includes the first interlock plate 29, and the both ends of the first interlock plate 29 are respectively equipped with earthing switch operation axis hole 30 and main switch operation
Axis hole 31, earthing switch operation axis hole and main switch operation axis hole are half bore, and the first interlock plate 29 passes through interlock plate fixinig plate
32 are mounted on the first frame plate 7, and the first interlock plate 29 can be moved along interlock plate fixinig plate 32, and shift motion meets: when
When main switch operating shaft is exposed to main switch handle hole, the other end of the first interlock plate covers earthing switch operating shaft, otherwise also
So, so as to ensuring that earthing switch operating shaft and main switch operating shaft will not be exposed simultaneously.
First interlock plate 29 is equipped with stroke groove 33, is equipped with padlock slide plate 34 in stroke groove 33, and padlock slide plate 34 is T-shaped,
Its transverse part is located in the first interlock plate 29, and vertical part stretches out in except the first interlock plate 29 and be equipped with protective case 35, can be by dialling
Padlock slide plate 34 is moved to move the first interlock plate 29.
As a preferred mode, the three position mechanism of the utility model further includes the second interlock, the second interlocking
Device includes the second interlock plate 36, and the second interlock plate 36 is arranged in the outside of 7 lower part of the first mechanism plate and can move up and down, the
Two interlock plates 36 are equipped with locking plate 37, and earthing switch operating shaft 10 is equipped with the 4th connecting lever 38, and the 4th connecting lever 38 is equipped with the
Four trundles 39, the first interlock plate are equipped with the shifting chute 40 of the 4th trundle 39, and the 4th trundle 39 can be in shifting chute 40
Interior movement is to limit the second interlock plate 36 with the cooperation of locking plate 37, and when main switch carries out closing operation, the 4th is turned
Arm 38 rotates with it to the 4th trundle 39 and is in this side in shifting chute 40 close to the second interlock plate 36, blocks just at this time
Locking plate 37, the second interlock plate 36 are lockable, and the second interlock plate locks Xiamen and do not allow to open the door at this time, otherwise work as main switch separating brake
When, the 4th connecting lever 38 rotates with it to the 4th trundle 39 and is in this side in shifting chute 40 far from the second interlock plate 36, this
When be detached from and be released with the interference of locking plate 37, the second interlock plate 36, allow to open the door.
In addition, the utility model is additionally provided with key lock 41, when key lock 41 is locked, the first interlock plate 29 blocks main switch behaviour
Make axis 13, the key of key lock 41 and the key of Xiamen are identical, it is necessary to first lock Xiamen, could open key lock 41, thus really
Protect the sub-switching operation that earthing switch can not be carried out when opening the door.
In the present invention, the closing operation of main switch operating shaft can be realized by electronic mode, specifically,
It is additionally provided with motor 43 on the second frame plate 8, the 5th connecting lever 44 is fixedly connected on the output shaft of motor 43, the 5th connecting lever 44
Outer end is rotatably coupled fourth link 45, and the other end of fourth link 45 is equipped with curved portion 46, can be rotated in fourth link 45
Ground is connected with the 6th connecting lever 47, and the 6th connecting lever 47 is set in main switch operating shaft 13 by the aperture in the middle part of it, the 6th connecting lever
47 other end is equipped with arc groove 48, and the middle part of fourth link 45 is equipped with notch 49, the notch 49 can on the 5th connecting lever 42
Coulisse be linked, when the motor is energized, motor shaft drive the 5th connecting lever 44 rotation, the 5th connecting lever drive fourth link 45
Rotation, fourth link 45 drive third connecting lever 14 to rotate, and principle later is identical as manual actuation, repeats no more, it should be pointed out that
, the curved portion 46 outside fourth link 45 can rotate with it, be shaped to realize when going to middle position and step down,
Interference will not be generated, in addition, the notch 49 at 45 middle part of fourth link is able to drive the rotation of the 5th connecting lever 42, while also by the 5th
The limit of connecting lever 42.
Claims (9)
1. a kind of manually and electronic in integrated on-load switch three position mechanism, including rack, characterized in that rack is equipped with and connects
Ground switch operation device, closing switch operating device, three station output devices and electric device, three station output devices include rigid
Property connection output sleeve and the first connecting lever, output sleeve rotatably cooperates with rack, the side of the first connecting lever equipped with differential plate,
Differential plate is equipped with the first sliding groove, and the other side of the first connecting lever is equipped with the first trundle, rotationally connects on the first trundle
First connecting rod is connect, spring energy storage device, earthing switch operation are equipped between grounding switch operating device and main switch operating device
One end of device stretches out in the side of rack and can rotate that spring energy storage device is driven to be stored up under manual actuation
Can, when spring energy storage device turns over maximum energy storage position, release energy storage continues to rotate grounding switch operating device, connects at this time
Ground switch operation device drives the rotation of three station output devices to output torque by the first sliding groove；Main switch operating device
One end stretch out in the same side of rack and can be rotated by electric or hand to driving spring energy storage device to carry out
Energy storage, when spring energy storage device turns over maximum energy storage position, release energy storage continues to rotate main switch operating device, leads at this time
Switch operation device drives the rotation of three station output devices to output torque, electronic dress by first connecting rod and the first trundle
It sets including motor, the 5th connecting lever is fixedly connected on the output shaft of motor, the outer end of the 5th connecting lever is rotatably coupled the 4th company
Bar, the other end of fourth link are equipped with curved portion, have been rotatably coupled the 6th connecting lever in fourth link, the 6th connecting lever passes through it
The aperture at middle part is set in main switch operating shaft, and the other end of the 6th connecting lever is equipped with arc groove.
2. according to claim 1 a kind of manually and electronic in integrated on-load switch three position mechanism, characterized in that machine
Frame includes the first frame plate and the second frame plate, is fixedly connected between the first frame plate and the second frame plate by pillar.
3. according to claim 2 a kind of manually and electronic in integrated on-load switch three position mechanism, characterized in that connect
Ground switch operation device includes earthing switch operating shaft, the second connecting lever and the second trundle being arranged between the second connecting lever,
Earthing switch operating shaft rotatably cooperates with the first frame plate.
4. according to claim 3 a kind of manually and electronic in integrated on-load switch three position mechanism, characterized in that main
Switch operation device includes main switch operating shaft, third connecting lever and the third trundle being arranged between third connecting lever, and master opens
Operating shaft is closed rotatably to cooperate with the first frame plate.
5. according to claim 4 a kind of manually and electronic in integrated on-load switch three position mechanism, characterized in that bullet
Spring energy storing device includes pressure spring, the first pressure spring head and the second pressure spring head, by that can stretch between the first pressure spring head and the second pressure spring head
The second connecting rod of contracting connects, and pressure spring is set on second connecting rod, and the first pressure spring head is installed in rotation on the second trundle, the
Two pressure spring heads are installed in rotation on third trundle.
6. according to claim 4 a kind of manually and electronic in integrated on-load switch three position mechanism, characterized in that also
Including limiting device, limiting device includes the first limit plate and the 5th connecting lever, and the first limit plate and the 5th connecting lever can be rotated respectively
Ground is mounted in main switch operating shaft, and one end of the first limit plate is equipped with stroke spring, and the other end is equipped with the second limit plate and card
Hook, the second limit plate is perpendicular to the first limit plate and is located at the outside of the 5th connecting lever, and first connecting rod, which is equipped with, to be cooperated with grab
Recess.
7. according to claim 4 a kind of manually and electronic in integrated on-load switch three position mechanism, characterized in that also
Including instruction device, instruction device includes signal shaft, signal shaft be installed in rotation on the first frame plate and the second frame plate it
Between, signal shaft is equipped with third connecting rod, and one end of third connecting rod is linked with the first connecting lever, and the other end connects microswitch,
One end of signal shaft stretches out on the outside of the first frame plate and is fixedly connected with switch state indicating piece.
8. according to claim 4 a kind of manually and electronic in integrated on-load switch three position mechanism, characterized in that also
Including the first interlock, the first interlock includes the first interlock plate, and the both ends of the first interlock plate are respectively equipped with earthing switch
It operates axis hole and main switch operates axis hole, it is half bore, the first interlock plate that earthing switch, which operates axis hole and main switch operation axis hole,
It is mounted on the first frame plate by interlock plate fixinig plate, the first interlock plate can be moved along interlock plate fixinig plate, move row
Journey meets: when main switch operating shaft is exposed to main switch handle hole, the other end of the first interlock plate covers earthing switch operation
Axis, vice versa；First interlock plate is equipped with stroke groove, is equipped with padlock slide plate in stroke groove, padlock slide plate is T-shaped, transverse part
In the first interlock plate, vertical part stretches out in except the first interlock plate and is equipped with protective case.
9. according to claim 4 a kind of manually and electronic in integrated on-load switch three position mechanism, characterized in that also
Including the second interlock, the second interlock includes the second interlock plate, and the first mechanism plate lower part is arranged in the second interlock plate
Outside can simultaneously move up and down, and the second interlock plate is equipped with locking plate, and earthing switch operating shaft is equipped with the 4th connecting lever, and the 4th turns
Arm is equipped with the 4th trundle, and the first interlock plate is equipped with the shifting chute of the 4th trundle, and the 4th trundle can be in shifting chute
Interior movement is to limit the second interlock plate with locking plate cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820280487.7U CN208336070U (en) | 2018-02-28 | 2018-02-28 | It is a kind of manually and electronic in integrated on-load switch three position mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820280487.7U CN208336070U (en) | 2018-02-28 | 2018-02-28 | It is a kind of manually and electronic in integrated on-load switch three position mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN208336070U true CN208336070U (en) | 2019-01-04 |
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ID=64782694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820280487.7U Active CN208336070U (en) | 2018-02-28 | 2018-02-28 | It is a kind of manually and electronic in integrated on-load switch three position mechanism |
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| CN (1) | CN208336070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320981A (en) * | 2018-02-28 | 2018-07-24 | 默飓电气有限公司 | It is a kind of manually and electronic in integrated on-load switch three position mechanism |
| CN112289620A (en) * | 2019-07-23 | 2021-01-29 | 武汉倍诺德开关有限公司 | Three-station isolating switch |
-
2018
- 2018-02-28 CN CN201820280487.7U patent/CN208336070U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320981A (en) * | 2018-02-28 | 2018-07-24 | 默飓电气有限公司 | It is a kind of manually and electronic in integrated on-load switch three position mechanism |
| CN112289620A (en) * | 2019-07-23 | 2021-01-29 | 武汉倍诺德开关有限公司 | Three-station isolating switch |
| CN112289620B (en) * | 2019-07-23 | 2023-12-05 | 武汉倍诺德开关有限公司 | Three-station isolating switch |
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