CN204946744U - Spring operation means - Google Patents

Spring operation means Download PDF

Info

Publication number
CN204946744U
CN204946744U CN201520737526.8U CN201520737526U CN204946744U CN 204946744 U CN204946744 U CN 204946744U CN 201520737526 U CN201520737526 U CN 201520737526U CN 204946744 U CN204946744 U CN 204946744U
Authority
CN
China
Prior art keywords
cam
spring
rotating shaft
swing arm
deep
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.)
Expired - Fee Related
Application number
CN201520737526.8U
Other languages
Chinese (zh)
Inventor
张涛
翟铁久
仉伟民
田立敏
王春义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Chuantie Borui Electric Equipment Co Ltd
Original Assignee
Beijing Chuantie Borui Electric Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Chuantie Borui Electric Equipment Co Ltd filed Critical Beijing Chuantie Borui Electric Equipment Co Ltd
Priority to CN201520737526.8U priority Critical patent/CN204946744U/en
Application granted granted Critical
Publication of CN204946744U publication Critical patent/CN204946744U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of spring operation means, comprise housing, accumulation of energy parts, actuator, rotating shaft and be arranged on operation board in rotating shaft, cam, swing arm, described operation board is fixedly connected with rotating shaft, described cam and swing arm is rotating is arranged in rotating shaft, and cam is connected with accumulation of energy parts; Cam is provided with two deep-slotted chip breakers arranged around rotating shaft, be respectively the first deep-slotted chip breaker and the second deep-slotted chip breaker, the first finger on operation board is arranged in the first deep-slotted chip breaker on cam, and the second finger in described swing arm is arranged in the second deep-slotted chip breaker on cam, and swing arm is connected with actuator.Spring operation means described in the utility model, by the setting of the accumulation of energy parts on cam, cam, swing arm and lock-bit part, can reach the technique effect of rapid closing, quick acting switching-off, ensures the fail safe of breaker apparatus operating process; Meanwhile, spring operation means described in the utility model also has the little feature of volume.

Description

Spring operation means
Technical field
The utility model relates to on-load switch field, particularly a kind of can rapid closing, quick acting switching-off action spring operation means.
Background technology
Spring operating mechanism is the controlling organization that on-load switch is conventional, is used for that control overhead switch closes a floodgate, separating brake, or controls connection or the disconnection of arc-extinguishing mechanism.According to the instructions for use of on-load switch and arc-extinguishing mechanism, spring operating mechanism needs the action completing combined floodgate, separating brake fast, can ensure use safety like this.Because on-load switch is mostly arrange for high-tension apparatus, produce so have larger electric arc when the combined floodgate of on-load switch, separating brake, when combined floodgate, opening velocity are crossed slow, arc duration is of a specified duration, easily bring damage to equipment, higher to the security requirement of equipment, also bring potential safety hazard simultaneously.
Existing spring operating mechanism structure is varied, and the function possessed is also different, and pluses and minuses differ.
Utility model content
The utility model provides a kind of spring operation means, keeps actuator motionless by adopting in accumulation of energy process, release can time actuator quick acting, realize the effect of rapid closing, separating brake.
The purpose of this utility model carrys out specific implementation by the following technical programs:
Spring operation means, comprise housing, accumulation of energy parts, actuator, rotating shaft and be arranged on operation board in rotating shaft, cam, swing arm, it is characterized in that, described operation board is fixedly connected with rotating shaft, described cam and swing arm is rotating is arranged in rotating shaft, and cam is connected with accumulation of energy parts, makes cam in the process of rotating to the accumulation of energy of accumulation of energy parts, and by accumulation of energy parts, cam is released energy after forwarding critical localisation to, driving cam deflects; Cam is provided with two deep-slotted chip breakers arranged around rotating shaft, be respectively the first deep-slotted chip breaker and the second deep-slotted chip breaker, the first finger on operation board is arranged in the first deep-slotted chip breaker on cam, and the second finger in described swing arm is arranged in the second deep-slotted chip breaker on cam, and swing arm is connected with actuator.
Preferably, described accumulation of energy parts comprise slide opening axle, power assistant spring and spring guide, one end and the cam of described spring guide are hinged, sliding eye on the other end and slide opening axle is slidably connected, described power assistant spring is socketed on spring guide, can relatively stretch by slide opening axle in the process that spring guide is deflected under the drive of cam, and in the process first to power assistant spring accumulation of energy, when spring guide deflects past the line between rotating shaft and slide opening axle, power assistant spring starts to release energy.
Preferably, described actuator, comprises transmission mechanism and telescoping mechanism, and described transmission mechanism is connected with described swing arm, and transmission mechanism drives telescoping mechanism to do stretching motion.
Preferably, described transmission mechanism, comprises press rods and connecting rod, and one end of described press rods is hinged on bracing frame, and one end of the other end and connecting rod is hinged, middle part and telescoping mechanism hinged, the other end and the swing arm of described connecting rod are hinged.
Preferably, described telescoping mechanism, comprise contained spring and external springs, external springs is socketed in the outside of contained spring, contained spring is the excess of stroke spring with movable end of arc extinguishing chamber, the balancing spring of outside spring set by the self-closing power of balance arc control device self, makes arc control device normally be in separating brake and drives apart from position.
Further, also comprise lock-bit part, described lock-bit part one end and bracing frame hinged, the other end is connected in swing arm, and swing arm is provided with the button bit locked with lock-bit part.
Further, described button bit is greater than the minimum diameter of described cam to the distance of rotating shaft core, is less than the maximum gauge of described cam, and described lock-bit part can be thrown off by cam in the process of rotating from the button bit of swing arm.
Preferably, described lock-bit part is also provided with dropout extension spring, described dropout extension spring applies the pulling force to swing arm direction to described lock-bit part.
Preferably, described rotating shaft is also socketed with torsion spring, one end of described torsion spring is fixedly connected with described rotating shaft, and the other end is fixedly connected with described cam.
Preferably, described spliced eye is provided with multiple, is fan-shaped distribution around described rotating shaft.
Preferably, described housing comprises base and top cover, and base and top cover dock and seal with sealing ring.
Preferably, described rotating shaft is arranged on base, and described slide opening axle is arranged in top cover.
Spring operation means described in the utility model, by the setting of the accumulation of energy parts on cam, cam, swing arm and lock-bit part, can reach the technique effect of rapid closing, quick acting switching-off, the fail safe of guaranteed load switchgear operation process; Meanwhile, spring operation means described in the utility model also has the little feature of volume.
Accompanying drawing explanation
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is the sectional structure schematic diagram of electric railway described in the utility model embodiment with a visual angle of single-phase isolation on-load switch.
Fig. 2 is the sectional structure schematic diagram of electric railway described in the utility model embodiment with another visual angle of single-phase isolation on-load switch.
In figure:
1, housing; 10, rocking arm; 11, base; 12, top cover;
2, rotating shaft; 21, steady pin;
3, accumulation of energy parts; 31, slide opening axle; 32, power assistant spring; 33, spring guide;
4, actuator; 40, support bar; 41, transmission mechanism; 411, press rods; 412, connecting rod; 42, telescoping mechanism;
5, operation board; 51, the first finger;
6, cam; 61, the first deep-slotted chip breaker; 62, the second deep-slotted chip breaker; 63, spliced eye;
7, swing arm; 71, button bit; 72, the second finger;
8, lock-bit part; 81, dropout spring;
9, torsion spring;
10, rocking arm.
Embodiment
Below preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
As shown in Figure 1 and Figure 2, spring operation means described in the utility model embodiment, it mainly comprises housing 1, accumulation of energy parts 3, actuator 4, rotating shaft 2 and is arranged on operation board 5 in rotating shaft 2, cam 6, swing arm 7, described operation board 5 is fixedly connected with rotating shaft 2, described cam 6 and swing arm 7 is rotating is arranged in rotating shaft 2, and cam 6 is connected with accumulation of energy parts 3, make cam 6 in the process of rotating to accumulation of energy parts 3 accumulation of energy, and released energy by accumulation of energy parts 3 pairs of cams 6 after forwarding critical localisation to, driving cam 6 deflects; Cam 6 is provided with two deep-slotted chip breakers arranged around rotating shaft 2, be respectively the first deep-slotted chip breaker 61 and the second deep-slotted chip breaker 62, the first finger 51 on operation board 5 is arranged in the first deep-slotted chip breaker 61 on cam 6, the second finger 72 in described swing arm 7 is arranged in the second deep-slotted chip breaker 62 on cam, and swing arm 7 is connected with actuator 4.
Described housing 1, docked by base 11 and top cover 12 and form, be tightly connected between described base 11 and described top cover 12, make base 11 and top cover 12 inside form accommodation space, described accumulation of energy parts 3, described actuator 4, described operation board 5, described cam 6, described swing arm 6, lock-bit part 8 are placed in wherein; Preferably, described base 11 adopts cylindric structural design, described top cover 12 adopts the structural design of cone barrel, the bottom of top cover 12 is docked by the top of flange connection surface with described base 11, and on interface, be provided with the groove of ring-type and sealing ring is set in annular recess, realize the sealing between base 11 and top cover 12.
Described rotating shaft 2 is installed through housing 1, rotating shaft is operated by the operating mechanism of external force to the enclosure interior of spring operation means, preferably, described rotating shaft 2 is horizontally through described housing 1 and its end is arranged in the axis hole of described housing 1 inside and positions; Seal, to ensure the sealing property of housing through being provided with seals and other component in the installing hole of described housing 1 in described rotating shaft 2.
The operation of rotating shaft 2 is that the rocking arm 10 by controlling to be arranged on rotating shaft 2 outside completes, described rocking arm 10 is fixedly connected on the end of described rotating shaft 2, manually or by mechanically operated mode operate described rocking arm 10, and then control the torsion of described rotating shaft 2 by rocking arm 10.
Described operation board 5, described cam 6, described swing arm 7 is socketed in described rotating shaft 2, wherein said operation board 5 is connected with described rotating shaft 2 by the mode be fixedly connected with, preferably, described operation board 5 is fixedly connected with rotating shaft 2 by latch, described operation board 5 can be driven in the process of action to move together to make described rotating shaft 2, otherwise or also drive described rotating shaft 2 to rotate by the action reversed of described operation board 5, the process implemented is not limited to use the mode of latch to be fixedly connected with rotating shaft 2 by operation board 5, operation board 5 to be also fixed with rotating shaft 2 by other mode and to be connected by those skilled in the art, spline mode is such as adopted to connect, or adopt the mode of keyway to connect, or adopt the mode connection of interference fit etc. to adopt the mode of machinery to be fixed connection.After being fixedly connected with rotating shaft 2 by operation board 5, described operation board 5 can be driven to rotate by described rotating shaft 2, and also described rotating shaft 2 can be driven to rotate by described operation board 5.
Described cam 6 adopts rotatable mode to be socketed in described rotating shaft 2, and described cam 6 is provided with two deep-slotted chip breakers around described rotating shaft 2, is respectively the first deep-slotted chip breaker 61 and the second deep-slotted chip breaker 62; Described operation board 5 is provided with the first finger 51, first finger 51 is arranged in described first deep-slotted chip breaker 61, described finger 51 can be slided in described first deep-slotted chip breaker 61, and further make described operation board 5 can rotate in certain limit (i.e. the scope of the first deep-slotted chip breaker 61 restriction) relative to described cam 6; When described first finger 51 moves to two ends (two extreme positions) of described first deep-slotted chip breaker 61, under the drive of rotating shaft 2, described cam 6 is driven to rotate by the first finger 51 by described operation board 5, or drive described operation board 5 to rotate by described cam 6 by the first deep-slotted chip breaker 61, and then drive described rotating shaft 2 to rotate.
Described accumulation of energy parts 3 comprise slide opening axle 31, power assistant spring 32 and spring guide 33, one end and the cam 6 of described spring guide 33 are hinged, sliding eye on the other end and slide opening axle 31 is slidably connected, described power assistant spring 32 is socketed on spring guide 33, can relatively stretch by slide opening axle 31 in the process that spring guide 33 is deflected under the drive of cam 6, and in the process first to power assistant spring 32 accumulation of energy, when spring guide 33 deflects past the line between rotating shaft 2 and slide opening axle 31, power assistant spring 32 starts to release energy.
Described slide opening axle 31 is installed in housing 1 itself, and the position of slide opening axle 31 is fixed, while described spring guide 33 does stretching motion under the drive of cam 6 in described slide opening axle 31, described slide opening axle 31 is also driven to rotate to adapt to the deflection of described spring guide 33.
Described swing arm 7 is provided with the second finger 72, and described second finger is arranged in the second deep-slotted chip breaker 62 of described cam 6, and described second finger 72 can be slided in described second deep-slotted chip breaker 72 again.
Described swing arm 7 adopts rotating mode to be socketed in rotating shaft 2, and swing arm 7 is provided with the button bit 81 with lock-bit part 8 clamping, described swing arm 7 pushing executing mechanism is locked to during "on" position, lock-bit part 8 and button bit 71 are in clamping connection, ensure the fail safe of whole device under "on" position, can not throw off easily; A far-end of described swing arm 7 and actuator hinged.
Further, described button bit 71 is greater than the minimum diameter of described cam 6 to the distance of rotating shaft core, is less than the maximum gauge of described cam 6, and described lock-bit part 8 can be thrown off by cam 6 in the process of rotating from the button bit 71 of swing arm 7.
The process of separating brake, the state of combined floodgate is at initial period, rotating shaft 2 is rotated, operation board 5 is driven to rotate, slide in first deep-slotted chip breaker 61 of the first finger 51 on operation board 5 on cam 6, when the first finger slides into the end of the first deep-slotted chip breaker 61, operation board 5 is with moving cam 6 to rotate, second deep-slotted chip breaker 62 of cam 6 is along with cam 62 rotations around the shaft, now cam 6 starts to compress power assistant spring 32, makes power assistant spring 32 start accumulation of energy, and cam 6 is in the process of rotating, the lock-bit part 8 of clamping on the button bit 71 of swing arm 7 is pushed open, swing arm 7 is unlocked; When cam 6 move to exceed center line (i.e. the line of slide opening axle 31 and rotating shaft) time, power assistant spring 32 starts to release energy, i.e. power assistant spring 32 pairs of cam 6 applied thrusts, actuating cam 6 continues deflection, when the second deep-slotted chip breaker 62 on cam 6 rotates to the second finger 72 position in swing arm 7, cam 6 starts to drive swing arm 7 to move, and (now, lock-bit part 8 departs from button bit 71 completely, swing arm 7 is made to be in complete released state); Cam 6 drives actuator 4 to carry out separating brake action fast under the effect of power assistant spring 32.
The process of closing a floodgate is contrary with the process of separating brake.
The central angle of described first deep-slotted chip breaker 61 and the central angle sum of the second deep-slotted chip breaker 62 are no more than 150 degree, and the central angle of described first deep-slotted chip breaker 61 and the second deep-slotted chip breaker 62 is all no more than 90 degree.Preferably, the central angle of described first deep-slotted chip breaker is 60 degree, and the central angle of the second deep-slotted chip breaker is 50 degree.By the setting of the central angle to the first deep-slotted chip breaker 61 and the second deep-slotted chip breaker 62, realize the control to the flip angle of cam, ensure that cam 6 is in the process to both sides upset (i.e. "on" position and gate-dividing state), cam has suitable flip angle, makes accumulation of energy parts 3 can put aside enough elastic potential energys and discharge.
Described rotating shaft 2 is also provided with torsion spring 9, and one end of described torsion spring 9 is fixedly connected with described rotating shaft, and the other end is fixedly connected with cam 6.Preferably, described rotating shaft 2 is plugged with steady pin 21, one end of described torsion spring 9 is socketed on described steady pin; Described cam is provided with spliced eye 63, and the other end of described torsion spring 9 is plugged in described spliced eye.Further preferred, described spliced eye 63 is provided with multiple, is fan-shaped distribution around described rotating shaft.The setting of multiple spliced eye 63, select for torsion spring provides different connections, torsion spring 9 can be connected among different spliced eyes 63 as required, so just make torsion spring 9 have the twisting force of different size, make operator can decide torsion spring 9 according to the elasticity of the useful life of the application feature of reality, torsion spring, torsion spring and be connected with the spliced eye 63 of where.
Preferably, in the process used, torsion spring 9 can provide elastic force required for reset for rotating shaft, can close a floodgate or gate-dividing state time, ensure the quick acting of actuator; When described cam 6 is in erectility, described torsion spring 9 in the raw, when cam 6 is to any side deflection, capital produces torsion to torsion spring 9, this torsion reacts on cam 6, and then reduce rotating shaft 2 torsion required in the process of rotating, the process of accumulation of energy can be completed by auxiliary energy-storage parts 3; Because the torsion of this torsion spring 9 can adjust automatically along with the rotation of cam 6, complete accumulation of energy process to adapt to accumulation of energy parts 3, reduce manual operation or mechanically operated strength control overflow.Torsion spring act as rocking arm 10 position in control chart 2, makes its maintenance level when gate-dividing state.
Described spliced eye 63 is arranged between described first deep-slotted chip breaker 61 and described second deep-slotted chip breaker 62; Specifically, described spliced eye 63 is greater than the radius of described operation board 5 to the distance in described rotating shaft 2 axle center, and one end that described torsion spring 9 is connected with cam 6 can bypass described operation board 5, compact conformation, rationally distributed.
Preferably, described cam 6 adopts symmetrical structure to design, namely described first deep-slotted chip breaker 61, described second deep-slotted chip breaker 62, described spliced eye 63 all adopt symmetrical mode to be arranged on described cam 6, the making process of described cam 6 and separating brake process can be made so all to have identical movement range, also the structure such as cam 6, accumulation of energy parts 3 further can be made simple, be easy to manufacture.
Described actuator 4 comprises transmission mechanism 41 and telescoping mechanism 42, described transmission mechanism 41 is connected with described swing arm 7, and transmission mechanism 41 drives telescoping mechanism 42 to do stretching motion, described telescoping mechanism 42 is arranged through described base 11, it can stretch out from base 11, and control corresponding switching device, and then complete the action of combined floodgate or separating brake by described telescoping mechanism 42.
Described transmission mechanism 41, comprises press rods 411 and connecting rod 412, and one end of described press rods 412 is hinged on bracing frame 40, and one end of the other end and connecting rod 412 is hinged, middle part and telescoping mechanism 42 hinged, the other end and the swing arm 7 of described connecting rod 412 are hinged.Support frame as described above 40 is arranged on the inside of housing 1, and the bottom of bracing frame carries out being connected and fixing with the bottom surface of base, power is provided support for described press rods 412 by bracing frame 40, by the middle part of press rods 412, applying pressure (during combined floodgate) or pulling force (during separating brake) are carried out to described telescoping mechanism 42, and then complete the action of combined floodgate or separating brake by described telescoping mechanism 42.
Described lock-bit part 8 is also provided with dropout extension spring 81, described dropout extension spring 81 applies the pulling force to swing arm 7 direction to described lock-bit part 8, after making described lock-bit part 8 be that button bit 71 is thrown off, still there is the pulling force to swing arm direction, namely ensure that described lock-bit part 8 has automatically reset function, in the process of closing a floodgate, when swing arm 7 turns to latched position, lock-bit part 8 automatically locks with the button bit 71 in swing arm 7 and is connected.
Described telescoping mechanism, comprise contained spring and external springs, external springs is socketed in the outside of contained spring, and contained spring is the excess of stroke spring with movable end of arc extinguishing chamber, the balancing spring of outside spring set by the self-closing power of balance arc control device self, makes arc control device normally be in separating brake and drives apart from position.
Technology contents of the present utility model and technical characteristic have disclosed as above; but those of ordinary skill in the art still may do all replacement and the modification that do not deviate from the utility model spirit based on teaching of the present utility model and announcement; therefore; the utility model protection range should be not limited to the content that embodiment discloses; and various do not deviate from replacement of the present utility model and modification should be comprised, and contained by the utility model claim.

Claims (10)

1. spring operation means, comprise housing, accumulation of energy parts, actuator, rotating shaft and be arranged on operation board in rotating shaft, cam, swing arm, it is characterized in that, described operation board is fixedly connected with rotating shaft, described cam and swing arm is rotating is arranged in rotating shaft, and cam is connected with accumulation of energy parts, makes cam in the process of rotating to the accumulation of energy of accumulation of energy parts, and by accumulation of energy parts, cam is released energy after forwarding critical localisation to, driving cam deflects; Cam is provided with two deep-slotted chip breakers arranged around rotating shaft, be respectively the first deep-slotted chip breaker and the second deep-slotted chip breaker, the first finger on operation board is arranged in the first deep-slotted chip breaker on cam, and the second finger in described swing arm is arranged in the second deep-slotted chip breaker on cam, and swing arm is connected with actuator.
2. spring operation means as claimed in claim 1, is characterized in that,
Described accumulation of energy parts comprise slide opening axle, power assistant spring and spring guide, one end and the cam of described spring guide are hinged, sliding eye on the other end and slide opening axle is slidably connected, described power assistant spring is socketed on spring guide, can relatively stretch by slide opening axle in the process that spring guide is deflected under the drive of cam, and in the process first to power assistant spring accumulation of energy, when spring guide deflects past the line between rotating shaft and slide opening axle, power assistant spring starts to release energy.
3. spring operation means as claimed in claim 1, is characterized in that,
Described actuator, comprises transmission mechanism and telescoping mechanism, and described transmission mechanism is connected with described swing arm, and transmission mechanism drives telescoping mechanism to do stretching motion.
4. spring operation means as claimed in claim 1, is characterized in that,
Described transmission mechanism, comprises press rods and connecting rod, and one end of described press rods is hinged on bracing frame, and one end of the other end and connecting rod is hinged, middle part and telescoping mechanism hinged, the other end and the swing arm of described connecting rod are hinged.
5. spring operation means as claimed in claim 1, is characterized in that,
Also comprise lock-bit part, described lock-bit part one end and bracing frame hinged, the other end is connected in swing arm, and swing arm is provided with the button bit locked with lock-bit part.
6. spring operation means as claimed in claim 5, is characterized in that,
Described button bit is greater than the minimum diameter of described cam to the distance of rotating shaft core, is less than the maximum gauge of described cam, and described lock-bit part can be thrown off by cam in the process of rotating from the button bit of swing arm.
7. spring operation means as claimed in claim 6, is characterized in that,
Described lock-bit part is also provided with dropout extension spring, and described dropout extension spring applies the pulling force to swing arm direction to described lock-bit part.
8. spring operation means as claimed in claim 1, is characterized in that,
Described rotating shaft is also socketed with torsion spring, and one end of described torsion spring is fixedly connected with described rotating shaft, and the other end is fixedly connected with described cam.
9. spring operation means as claimed in claim 8, is characterized in that,
Described spliced eye is provided with multiple, is fan-shaped distribution around described rotating shaft.
10. the spring operation means as described in as arbitrary in claim 1 to 9, is characterized in that,
Described housing comprises base and top cover, and base and top cover dock and seal with sealing ring;
Described rotating shaft is arranged on base, and described slide opening axle is arranged in top cover.
CN201520737526.8U 2015-09-22 2015-09-22 Spring operation means Expired - Fee Related CN204946744U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520737526.8U CN204946744U (en) 2015-09-22 2015-09-22 Spring operation means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520737526.8U CN204946744U (en) 2015-09-22 2015-09-22 Spring operation means

Publications (1)

Publication Number Publication Date
CN204946744U true CN204946744U (en) 2016-01-06

Family

ID=55014146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520737526.8U Expired - Fee Related CN204946744U (en) 2015-09-22 2015-09-22 Spring operation means

Country Status (1)

Country Link
CN (1) CN204946744U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110022743A (en) * 2016-11-30 2019-07-16 东芝生活电器株式会社 Electric dust cleaner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110022743A (en) * 2016-11-30 2019-07-16 东芝生活电器株式会社 Electric dust cleaner

Similar Documents

Publication Publication Date Title
CN106328405B (en) Mechanical interlocking mechanism independent of main structure and dual-power supply device
CN204946744U (en) Spring operation means
US20170229271A1 (en) Circuit breaker with quick response and separation and quick response and separation method for circuit breaker
CN101436471A (en) Device for controlling electrical switchgear and electrical switchgear including same
EP2963665B1 (en) Switching device and linkage mechanism thereof
CN202008931U (en) Operation mechanism for SF6 (sulfur fluoride) load switch cabinet
CN203312207U (en) Electronic spring operation mechanism
WO2018076455A1 (en) Servo-drive isolation circuit breaker
CN203574274U (en) High voltage switch cabinet and valve mechanism thereof
CN207233652U (en) Vacuum circuit breaker force-reducing device
CN103337385B (en) Electric spring operation machine
CN203013554U (en) Divide-shut brake device and automatic change-over switching device
CN201985017U (en) Spring operation circuit breaker with functions of isolation and ground connection
CN110518484A (en) A kind of operating clutch device of power distribution cabinet combined switch
CN108376627B (en) Three-phase transmission mechanism and circuit breaker using same
CN203931860U (en) A kind of Shou Cao mechanism for circuit breaker
CN207765366U (en) A kind of mechanical locking structure and mechanical interlocking device of breaker
CN201345304Y (en) Rapid operation spring mechanism
CN203813300U (en) Switch cabinet valve device
CN202939878U (en) Circuit switching device of 10kV distribution network demonstration system
CN207651371U (en) A kind of non-contact switch startup connector
CN208352154U (en) A kind of PC grades of double power supply automatic transfer switch
CN209785779U (en) auxiliary switch transmission device for small-stroke quick circuit breaker
CN106783424B (en) A kind of remote control of circuit breaker
CN103515158B (en) 10kv high-voltage elastic switch

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160106

Termination date: 20190922

CF01 Termination of patent right due to non-payment of annual fee