CN106531572A - Permanent magnetic mechanism manual brake separating device and circuit breaker using same - Google Patents
Permanent magnetic mechanism manual brake separating device and circuit breaker using same Download PDFInfo
- Publication number
- CN106531572A CN106531572A CN201611028731.2A CN201611028731A CN106531572A CN 106531572 A CN106531572 A CN 106531572A CN 201611028731 A CN201611028731 A CN 201611028731A CN 106531572 A CN106531572 A CN 106531572A
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- CN
- China
- Prior art keywords
- rotating shaft
- permanent magnet
- magnet mechanism
- circuit breaker
- coupling shaft
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a permanent magnetic mechanism manual brake separating device and a circuit breaker using the device. The permanent magnetic mechanism manual brake separating device comprises a rotating shaft hinge articulated seat for an operation rotating shaft to be assembled in a rotating manner and a device seat, wherein the rotating shaft articulated seat is fixed on the device seat; and a mechanism case fixed structure for being fixedly connected with a mechanism case of a permanent magnetic mechanism is arranged on the device seat. The permanent magnetic mechanism manual brake separating device also comprises a coupling shaft arranged in the rotating manner, and the operation rotating shaft and the coupling shaft are connected through a transmission structure. Thus, an independent rotating shaft articulated seat mounting base is formed on the device seat, and the structural strength is guaranteed, so that the rotating shaft articulated seat is prevented from being displacement relatively; moreover, the operation rotating shaft of the structure can adopt shorter length, the structural strength of the rotating shaft articulated seat mounting base is guaranteed, and then the travel accuracy of a cam on the operation rotating shaft is guaranteed, clamping stagnation of the operation rotating shaft is avoided, or no reset of the operation rotating shaft after brake separating is avoided, the required external force for brake separating is little, and the reliability is high.
Description
Technical field
The present invention relates to Manual circuit breaker device for permanent magnet mechanism and the chopper using the device.
Background technology
The features such as permanent magnet mechanism is with its life-span length simple and reliable for structure obtains user's favor, and its control is completely by Electronic Control
Realize, in order to realize remaining to reliable separating brake, permanent magnetic motor in burst power-off, when controller abnormal spoilage in real world applications
It is requisite that the handss separating device of structure is mechanical-manual switching-off device, and its way of realization is also various.
Existing Manual circuit breaker device for permanent magnet mechanism such as Authorization Notice No. is disclosed for the Chinese patent of 103903920 B of CN
The manual switching-off device for permanent magnet mechanism, including fixed installation portion and operation control portion, wherein fixed installation portion is by permanent magnetism
The mechanism case of mechanism is formed, and is divided into the first fixed installation plate and the second fixed installation plate, and the first fixed installation plate is mechanism case side
Plate, the second fixed installation plate are mechanism case base plate, and permanent magnet mechanism is fixed on mechanism case side plate, while being provided with mechanism case side plate
First fixed block, i.e. the first mounting structure, mechanism case base plate are provided with the second fixed block, i.e. the second mounting structure, corresponding to grasp
The both ends for making rotating shaft are respectively hinged on the first fixed block and the second fixed block, and one end passes the second fixed block, is used for
Attended operation handle.In addition, operation rotating shaft is provided with caging bolt and reduction torsion spring, the fortune for pushing tow permanent magnet mechanism is additionally provided with
The groove or cam of dynamic main shaft, reduction torsion spring by caging bolt to operation rotating shaft force, mechanism case base plate be provided with for
The limited block that caging bolt block coordinates, groove or cam are used for realizing permanent magnet mechanism separating brake.
But, the manual switching-off device disclosed in above-mentioned patent, first and second fixed block form the rotating shaft of operation rotating shaft and are hinged
Seat, as first and second fixed block is separately fixed on mechanism case side plate and mechanism case base plate, and permanent magnet mechanism during manual brake separating
Motive spindle can be to operating rotating shaft to produce very big opposition so that operation rotating shaft is formed with the first fixed block as fulcrum
Lever construction, during this, the side plate of mechanism case is susceptible to relative deformation with base plate, so as to affect to operate rotating shaft overhead cam
Stroke accuracy, deform it is larger when, result even in operation rotating shaft clamping stagnation or separating brake after the completion of cannot reset, so as to serious shadow
The reliability of permanent magnet mechanism separating brake action is rung, and larger potential safety hazard is caused to equipment and personnel., mechanism case case low for grade
For the relatively thin chopper of wall, the problems referred to above are more projected.
The content of the invention
It is an object of the invention to provide a kind of Manual circuit breaker device for permanent magnet mechanism and the chopper using the device, to solve
The problem of manual switching-off device poor reliability of the prior art.
For achieving the above object, in the present invention, the technical scheme of Manual circuit breaker device for permanent magnet mechanism employing is：
Scheme 1：Manual circuit breaker device for permanent magnet mechanism, also includes device including the rotating shaft hinged seat for operation axis of rotation assembling
Seat, the rotating shaft hinged seat are fixed on erection seat, and erection seat is provided with what is be fixedly connected for the mechanism case with permanent magnet mechanism
Mechanism case fixed structure；The Manual circuit breaker device for permanent magnet mechanism also includes rotating the Coupling Shaft for arranging, operation rotating shaft and switching
Connected by drive mechanism between axle.
Scheme 2：Manual circuit breaker device for permanent magnet mechanism according to scheme 1, described device seat include body supports plate and
It is arranged on the bending gripper shoe on body supports edges of boards edge.
Scheme 3：Manual circuit breaker device for permanent magnet mechanism according to scheme 2, body supports plate are provided with fixed block, fixed
Block is located at the same side of body supports plate with bending gripper shoe, and fixed block and corresponding bending gripper shoe are provided with rotating shaft and are hinged
Hole, the rotating shaft hinged seat are made up of with the bending gripper shoe for being provided with rotating shaft hinge hole fixed block.
Scheme 4：Manual circuit breaker device for permanent magnet mechanism according to scheme 3, is provided with the bending gripper shoe of rotating shaft hinge hole
With for the outside wall surface with mechanism's chamber interior wall close fit of permanent magnet mechanism.
Scheme 5：Manual circuit breaker device for permanent magnet mechanism according to scheme 3, the body supports backboard is to the bending
The side of gripper shoe is provided with permanent magnet mechanism fixed structure.
Scheme 6：Manual circuit breaker device for permanent magnet mechanism according to any one of scheme 15, the Coupling Shaft and behaviour
It is coaxially disposed as rotating shaft, the drive mechanism is the elastic cylindrical pin being arranged between Coupling Shaft and operation rotating shaft.
Scheme 7：Manual circuit breaker device for permanent magnet mechanism according to scheme 6, the Manual circuit breaker device for permanent magnet mechanism is also
Including the Coupling Shaft installation set for being fixed on the mechanism case of permanent magnet mechanism, Coupling Shaft rolling assembling is in Coupling Shaft installation set
It is interior, torsion spring is arranged with outside Coupling Shaft installation set, two force sides of torsion spring are connected with elastic cylindrical pin and Coupling Shaft installation set respectively
Connect.
Scheme 8：Manual circuit breaker device for permanent magnet mechanism according to scheme 6, Coupling Shaft are arranged on door-plate, elastic cylinder
Pin is fixed in Coupling Shaft or operation rotating shaft, and another end face of Coupling Shaft and operation rotating shaft is provided with for elastic cylindrical pin edge
The axially embedded fluting of Coupling Shaft.
Scheme 9：Manual circuit breaker device for permanent magnet mechanism according to scheme 8, one end away from operation rotating shaft of Coupling Shaft
The door-plate of mechanism case is passed, door-plate is provided with the positive stop coordinated with operation handle block.
Chopper adopt technical scheme be：
Scheme 1：Chopper, including mechanism case, is provided with permanent magnet mechanism and Manual circuit breaker device for permanent magnet mechanism, permanent magnetic motor in mechanism case
Structure manual switching-off device includes the rotating shaft hinged seat for operation axis of rotation assembling, also including erection seat, the rotating shaft hinged seat
It is fixed on erection seat, erection seat is provided with the mechanism case fixed structure being fixedly connected for the mechanism case with permanent magnet mechanism；Institute
Stating Manual circuit breaker device for permanent magnet mechanism also includes rotating the Coupling Shaft for arranging, and passes through drive mechanism between operation rotating shaft and Coupling Shaft
Connection.
Scheme 2：Chopper according to scheme 1, described device seat include body supports plate and are arranged on body supports
The bending gripper shoe on edges of boards edge.
Scheme 3：Chopper according to scheme 2, body supports plate are provided with fixed block, fixed block and bending gripper shoe
Positioned at the same side of body supports plate, fixed block is provided with rotating shaft hinge hole with corresponding bending gripper shoe, and the rotating shaft is hinged
Seat is made up of with the bending gripper shoe for being provided with rotating shaft hinge hole fixed block.
Scheme 4：Chopper according to scheme 3, be provided with rotating shaft hinge hole bending gripper shoe have for and permanent magnetism
The outside wall surface of mechanism's chamber interior wall close fit of mechanism.
Scheme 5：Chopper according to scheme 3, the body supports backboard are set to the side of the bending gripper shoe
There is permanent magnet mechanism fixed structure.
Scheme 6：Chopper according to any one of scheme 15, the Coupling Shaft are coaxially set with operation rotating shaft
Put, the drive mechanism is the elastic cylindrical pin being arranged between Coupling Shaft and operation rotating shaft.
Scheme 7：Chopper according to scheme 6, the Manual circuit breaker device for permanent magnet mechanism are also included for being fixed to
Coupling Shaft installation set on the mechanism case of permanent magnet mechanism, Coupling Shaft rolling assembling in Coupling Shaft installation set, Coupling Shaft installation set
Outside is arranged with torsion spring, and two force sides of torsion spring are connected with elastic cylindrical pin and Coupling Shaft installation set respectively.
Scheme 8：Chopper according to scheme 6, Coupling Shaft are arranged on door-plate, and elastic cylindrical pin is fixed on Coupling Shaft
Or in operation rotating shaft, another end face of Coupling Shaft and operation rotating shaft is provided with axially embedded along Coupling Shaft for elastic cylindrical pin
Fluting.
Scheme 9：Chopper according to scheme 8, one end away from operation rotating shaft of Coupling Shaft pass the door of mechanism case
Plate, door-plate are provided with the positive stop coordinated with operation handle block.
Beneficial effect：The present invention adopts above-mentioned technical proposal, Manual circuit breaker device for permanent magnet mechanism also to include erection seat, rotating shaft
Hinged seat is fixed on erection seat, and erection seat is provided with the mechanism case fixed knot being fixedly connected for the mechanism case with permanent magnet mechanism
Structure；So, erection seat forms independent rotating shaft hinged seat installing matrix, is easy to ensure structural strength, prevents rotating shaft so as to play
There is the problem of relative displacement in hinged seat, in addition, the Manual circuit breaker device for permanent magnet mechanism also includes rotating the Coupling Shaft for arranging,
Connected by drive mechanism between operation rotating shaft and Coupling Shaft, by arranging Coupling Shaft, operation rotating shaft can adopt shorter length
Degree, the size of such rotating shaft hinged seat also can be less, is more beneficial for ensureing the structural strength of rotating shaft hinged seat installing matrix, enters
And ensure to operate the stroke accuracy of rotating shaft overhead cam, and cannot reset after the completion of avoiding operating rotating shaft clamping stagnation or separating brake, it is required
Separating brake external force is little, and reliability is high.
Further, described device seat includes body supports plate and is arranged on the bending gripper shoe on body supports edges of boards edge,
Easily manufactured, low cost, simple structure using this plate form.
Further, body supports plate is provided with fixed block, and fixed block is located at the same of body supports plate with bending gripper shoe
Side, fixed block and corresponding bending gripper shoe are provided with rotating shaft hinge hole, and the rotating shaft hinged seat is turned with being provided with by fixed block
The bending gripper shoe of axle hinge hole is constituted, and the setting of fixed block causes body supports plate can be same with what permanent magnet mechanism was fixed
When, shorten the spacing of two hinged supports of operation rotating shaft by the set location of fixed block, further improve structural strength.
Further, the bending gripper shoe of rotating shaft hinge hole is provided with fitting for the mechanism's chamber interior wall with permanent magnet mechanism
The outside wall surface of cooperation, can be collectively forming more stable supporting construction with mechanism's chamber interior wall, better ensure that structural stability.
Further, the body supports backboard is provided with permanent magnet mechanism fixed structure to the side of the bending gripper shoe,
Even if body supports plate deformation when using, permanent magnet mechanism is also not in very big relative displacement with rotating shaft hinged seat, so as to
Reliability is improved enough.
Further, the Coupling Shaft is coaxially disposed with operation rotating shaft, and the drive mechanism is to be arranged on Coupling Shaft and behaviour
Make the elastic cylindrical pin between rotating shaft, elastic cylindrical pin can be risen and the dynamic loading in separating brake and reseting procedure is played buffering work
With, mitigating the impact to mechanism case, raising reliability increases the service life.
Further, the Manual circuit breaker device for permanent magnet mechanism is also included for being fixed on the mechanism case of permanent magnet mechanism
Coupling Shaft installation set, Coupling Shaft rolling assembling are arranged with torsion spring in Coupling Shaft installation set outside Coupling Shaft installation set, torsion spring
Two force sides are connected with elastic cylindrical pin and Coupling Shaft installation set respectively, and Coupling Shaft installation set is not only able to realize consolidating for Coupling Shaft
It is fixed, additionally it is possible to avoid torsion spring from directly covering and be set in Coupling Shaft and produce impact on the rotation motility of Coupling Shaft, it is ensured that handss point
It is smoothed out.
Description of the drawings
Fig. 1 is the structural representation of one embodiment of chopper in the present invention；
Fig. 2 is the side view at the cooperation of the motive spindle of Fig. 1 cams and permanent magnet mechanism；
Fig. 3 is the structural representation of Manual circuit breaker device for permanent magnet mechanism in Fig. 1.
In figure, each reference is corresponding entitled：10- mechanism cases, 11- tank walls, 12- door-plates, 13- positive stops, 14-
Bracing frame, 20- permanent magnet mechanisms, 21- guide posts, 22- lower yoke cover plates, 30- Manual circuit breaker device for permanent magnet mechanism, 31- erection seats,
311- body supports plates, 312- bending gripper shoes, 313- fixed blocks, 32- operation rotating shafts, 33- cams, 34- flutings, 35- switchings
Axle, 40- Coupling Shaft installation sets, 41- torsion springs, 42- operation handles, 421- limited blocks, 50- elastic cylindrical pins.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
In the present invention, one embodiment of chopper is as shown in Fig. 1 ~ Fig. 3, including the mechanism case 10 with door-plate 12, mechanism
Permanent magnet mechanism 20 and Manual circuit breaker device for permanent magnet mechanism 30 are provided with case 10.Permanent magnet mechanism 20 includes guide post 21, i.e. motion master
Axle.Manual circuit breaker device for permanent magnet mechanism 30 includes erection seat 31, operation rotating shaft 32, cam 33, Coupling Shaft 35, Coupling Shaft installation set
40th, torsion spring 41 and operation handle 42.
Wherein erection seat 31 includes body supports plate 311 and is arranged on the bending gripper shoe at 311 edge of body supports plate
312, to observe from angle shown in Fig. 1, the front side of body supports plate 311 and right edge are provided with bending gripper shoe 312, left side edge
It is not provided with bending gripper shoe 312, forms opening.Body supports plate 311 passes through bending gripper shoe 312 and the mechanism on front side and right side
The tank wall 11 or bracing frame 14 of case 10 is connected, and bending gripper shoe 312 defines mechanism case fixed structure simultaneously.Permanent magnet mechanism
20 lower yoke cover plate 22 is fixed on 311 top of body supports plate, and 311 bottom of body supports plate is provided with fixed block 313, fixed block
313 downsides for being respectively positioned on body supports plate 311 with bending gripper shoe 312.On fixed block 313 and corresponding bending gripper shoe 312
Rotating shaft hinge hole is provided with, rotating shaft hinged seat is made up of with the bending gripper shoe 312 for being provided with rotating shaft hinge hole fixed block 313.
The outer peripheral face of Coupling Shaft installation set 40 is provided with the shaft shoulder, is fixedly connected with the door-plate 12 of mechanism case 10 by the shaft shoulder,
The right-hand member of Coupling Shaft 35 also is provided with the shaft shoulder, coordinates with the right side block of Coupling Shaft installation set 40.Operation rotating shaft 32 is inserted in switching
In the slot arranged on the right side of axle 35, and it is connected with Coupling Shaft 35 by elastic cylindrical pin 50, forms drive mechanism.
Elastic cylindrical pin 50 is fixed in Coupling Shaft 35, operates the end face of rotating shaft 32 to be provided with for elastic cylindrical pin 50 along 35 axle of Coupling Shaft
To embedded fluting 34, fluting 34 is easy to the folding of door-plate 12 through the radial direction and notch for operating rotating shaft 32 towards Coupling Shaft 35.
Be arranged with torsion spring 41 outside Coupling Shaft installation set 40, two force sides of torsion spring 41 respectively with elastic cylindrical pin 50 and turn
Spindle installation set 40 connects.Coupling Shaft 35 is connected with operation handle 42 away from one end of operation rotating shaft 32, solid in operation handle 42
Determine limited location block 421, tank wall 11 is provided with the positive stop 13 coordinated with 421 block of limited block in operation handle 42.Certainly,
In other embodiments, limited block 421 can also be not provided with operation handle 42, make positive stop 13 directly with operation handle 42
Main body block coordinate.
In original state, the limited block 421 in operation handle 42 is blocked by the block on door-plate 12, and now torsion spring 41 has been
Jing has part pre compressed magnitude.The process of manual brake separating：Counterclockwise turning operation handle 42, operation handle 42 drive 35 turns of Coupling Shaft
Dynamic, while elastic cylindrical pin 50 drives operation rotating shaft 32 to rotate, during cam 33 is rotated, cam 33 is applied to guide post 21
Power more than permanent magnet mechanism 20 static retention forces when, guide post 21 drives dynamic unshakable in one's determination motion, completes separating brake.Meanwhile, in operation
In the rotation process of handle 42, torsion spring 41 carries out energy storage by elastic cylindrical pin 50, when separating brake is completed, release handle, and torsion spring 41
Energy discharges, and handle drives operation rotating shaft 32 to reset, until 421 limited block 13 of limited block is blocked.
In the above-described embodiments, erection seat 31 is tabular bending structure, in other embodiments of the invention, erection seat 31
Other forms, such as tower structure can also be replaced with.In addition, in above-described embodiment, Coupling Shaft 35 is fixed on door-plate 12,
Cooperation between operation rotating shaft 32 and Coupling Shaft 35 by elastic cylindrical pin 50 with fluting 34 is realized being connected, compact conformation,
It is easy to assembling to safeguard, in other embodiments, operates the drive mechanism between rotating shaft 32 and Coupling Shaft 35 replace with which
His form, such as by shaft coupling connection, bonded etc..Furthermore, in above-described embodiment, erection seat 31 is by bending gripper shoe
312 are fixedly connected with mechanism case 10, and in other embodiments, erection seat 31 can also be welded and fixed on mechanism case 10, or
Bearing is set on 10 diapire of mechanism case, erection seat 31 is fixed on bearing by bolt or screw.
Claims (10)
1. Manual circuit breaker device for permanent magnet mechanism, operates the rotating shaft hinged seat of axis of rotation assembling including confession, it is characterised in that：Also wrap
Erection seat is included, the rotating shaft hinged seat is fixed on erection seat, erection seat is provided with to be fixed for the mechanism case with permanent magnet mechanism
The mechanism case fixed structure of connection；The Manual circuit breaker device for permanent magnet mechanism also includes rotating the Coupling Shaft for arranging, and operates rotating shaft
It is connected by drive mechanism between Coupling Shaft.
2. Manual circuit breaker device for permanent magnet mechanism according to claim 1, it is characterised in that：Described device seat includes main body
Fagging and the bending gripper shoe for being arranged on body supports edges of boards edge.
3. Manual circuit breaker device for permanent magnet mechanism according to claim 2, it is characterised in that：Body supports plate is provided with fixation
Block, fixed block are located at the same side of body supports plate with bending gripper shoe, and fixed block and corresponding bending gripper shoe are provided with and turn
Axle hinge hole, the rotating shaft hinged seat are made up of with the bending gripper shoe for being provided with rotating shaft hinge hole fixed block.
4. Manual circuit breaker device for permanent magnet mechanism according to claim 3, it is characterised in that：It is provided with the bending of rotating shaft hinge hole
Gripper shoe is with for the outside wall surface with mechanism's chamber interior wall close fit of permanent magnet mechanism.
5. Manual circuit breaker device for permanent magnet mechanism according to claim 3, it is characterised in that：The body supports backboard is to institute
The side for stating bending gripper shoe is provided with permanent magnet mechanism fixed structure.
6. the Manual circuit breaker device for permanent magnet mechanism according to any one of claim 15, it is characterised in that：Described turn
Spindle is coaxially disposed with operation rotating shaft, and the drive mechanism is the elastic cylindrical pin being arranged between Coupling Shaft and operation rotating shaft.
7. Manual circuit breaker device for permanent magnet mechanism according to claim 6, it is characterised in that：The permanent magnet mechanism manual brake separating
Device also includes the Coupling Shaft installation set for being fixed on the mechanism case of permanent magnet mechanism, and Coupling Shaft rolling assembling is pacified in Coupling Shaft
In encapsulation, torsion spring outside Coupling Shaft installation set, is arranged with, two force sides of torsion spring are installed with elastic cylindrical pin and Coupling Shaft respectively
Set connection.
8. Manual circuit breaker device for permanent magnet mechanism according to claim 6, it is characterised in that：Coupling Shaft is arranged on door-plate,
Elastic cylindrical pin is fixed in Coupling Shaft or operation rotating shaft, and another end face of Coupling Shaft and operation rotating shaft is provided with for elasticity
Straight pin is along the axially embedded fluting of Coupling Shaft.
9. Manual circuit breaker device for permanent magnet mechanism according to claim 8, it is characterised in that：Coupling Shaft away from operation rotating shaft
One end pass the door-plate of mechanism case, door-plate is provided with the positive stop coordinated with operation handle block.
10. chopper, including mechanism case, is provided with permanent magnet mechanism and Manual circuit breaker device for permanent magnet mechanism in mechanism case, and its feature exists
In：Permanent magnet mechanism manual brake separating dress of the Manual circuit breaker device for permanent magnet mechanism described in any one in claim 19
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611028731.2A CN106531572B (en) | 2016-11-22 | 2016-11-22 | Manual circuit breaker device for permanent magnet mechanism and the breaker for using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611028731.2A CN106531572B (en) | 2016-11-22 | 2016-11-22 | Manual circuit breaker device for permanent magnet mechanism and the breaker for using the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106531572A true CN106531572A (en) | 2017-03-22 |
| CN106531572B CN106531572B (en) | 2019-04-05 |
Family
ID=58351783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611028731.2A Active CN106531572B (en) | 2016-11-22 | 2016-11-22 | Manual circuit breaker device for permanent magnet mechanism and the breaker for using the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106531572B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3530414A (en) * | 1969-02-26 | 1970-09-22 | Westinghouse Electric Corp | Circuit breaker with improved trip means |
| CN201207340Y (en) * | 2008-04-23 | 2009-03-11 | 中国电力科学研究院 | Manual circuit breaker device for permanent magnet mechanism |
| CN203536276U (en) * | 2013-10-21 | 2014-04-09 | 苏州科陆东自电气有限公司 | Hand-operated switch-on device |
| CN103903920A (en) * | 2014-04-08 | 2014-07-02 | 北京双杰电气股份有限公司 | Hand-operated opening device used for permanent magnetic mechanism |
| CN204516700U (en) * | 2015-03-19 | 2015-07-29 | 河南华盛隆源电气有限公司 | A kind of Manual circuit breaker device for permanent magnet mechanism |
| CN205564627U (en) * | 2016-04-28 | 2016-09-07 | 成都民达电力设备有限公司 | Permanent magnetism operating device's manual minute brake gear |
-
2016
- 2016-11-22 CN CN201611028731.2A patent/CN106531572B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3530414A (en) * | 1969-02-26 | 1970-09-22 | Westinghouse Electric Corp | Circuit breaker with improved trip means |
| CN201207340Y (en) * | 2008-04-23 | 2009-03-11 | 中国电力科学研究院 | Manual circuit breaker device for permanent magnet mechanism |
| CN203536276U (en) * | 2013-10-21 | 2014-04-09 | 苏州科陆东自电气有限公司 | Hand-operated switch-on device |
| CN103903920A (en) * | 2014-04-08 | 2014-07-02 | 北京双杰电气股份有限公司 | Hand-operated opening device used for permanent magnetic mechanism |
| CN204516700U (en) * | 2015-03-19 | 2015-07-29 | 河南华盛隆源电气有限公司 | A kind of Manual circuit breaker device for permanent magnet mechanism |
| CN205564627U (en) * | 2016-04-28 | 2016-09-07 | 成都民达电力设备有限公司 | Permanent magnetism operating device's manual minute brake gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106531572B (en) | 2019-04-05 |
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