CN202651019U - Electric divide-shut brake device for circuit breaker - Google Patents

Electric divide-shut brake device for circuit breaker Download PDF

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Publication number
CN202651019U
CN202651019U CN 201220318066 CN201220318066U CN202651019U CN 202651019 U CN202651019 U CN 202651019U CN 201220318066 CN201220318066 CN 201220318066 CN 201220318066 U CN201220318066 U CN 201220318066U CN 202651019 U CN202651019 U CN 202651019U
Authority
CN
China
Prior art keywords
strutting piece
circuit breaker
rack
manual
fixed
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
CN 201220318066
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Chinese (zh)
Inventor
孙龙
刘超
胡浪涛
宋涛
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.)
Zhejiang Tengen Electric Co Ltd
Original Assignee
Zhejiang Tengen Electric 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 Zhejiang Tengen Electric Co Ltd filed Critical Zhejiang Tengen Electric Co Ltd
Priority to CN 201220318066 priority Critical patent/CN202651019U/en
Application granted granted Critical
Publication of CN202651019U publication Critical patent/CN202651019U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an electric divide-shut brake device for a circuit breaker. The device comprises a gear and rack drive mechanism, a guide rail type manual operation mechanism and a manual/automatic switching mechanism. The guide rail type manual operation mechanism comprises a support frame and a rack fixedly connected with the support frame, a square hole is arranged in the middle of the rack and is suitable for a handle of the circuit breaker to penetrate through so that linkage is realized, shaft pins are fixed into an upper fixing plate and a lower fixing plate and can function in positioning and guiding by matching with a racetrack-type groove of a sliding rack, a first support part and a second support part are symmetrically arranged on two sides of the upper surface of the support frame and used for fixing a manual operation handle, the first support part and/or the second support part comprises a main support body and an auxiliary support body slightly lower than the main support body, plugging holes matched with the main support body and the auxiliary support body are arranged at the bottom end of the manual operation handle, and the manual operation handle is plugged on the first support part and/or the second support part to realize fixing.

Description

The electronic switching off/on device of circuit breaker
Technical field
The utility model relates to the low-voltage electrical apparatus application, is specifically related to the electronic breaking-closing operating device of a kind of circuit breaker.
Background technology
Multiple Aftercurrent protection circuit breaker breaking-closing operating device is disclosed in the prior art, comprising the dual-purpose switching off/on device of rack-and-pinion electric/manual is arranged, the chain type electric closing device is arranged, turbine and worm formula electric switch-on device (such as the slide block screw type), the electronic switching off/on device of eccentric wheel type, the electronic switching off/on device of crank-linkage type etc.In above-mentioned several electronic switching off/on devices, the transmission mechanism volume of chain type electric switching off/on device is large, and the stroke of transmission is not easy control and cost is high; The larger cost of volume that the electronic switching off/on device of turbine and worm formula is processed difficulty relatively and mechanism is also higher; The electronic switching off/on device of eccentric wheel type and the electronic switching off/on device of crank-linkage type are manually and automatically can not freely switch; Therefore all there is certain technological deficiency in the automatic/hand divide-shut brake that reaches Aftercurrent protection circuit breaker by said apparatus.And, in above-mentioned several electronic switching off/on devices, wherein be used for the operating means that electronic and manual divide-shut brake is changed each other, to adopt to handle eccentric wheel or cam mechanism, be subjected to displacement to finish by manual rotation eccentric wheel or cam mechanism, but this mechanism can't realize manually and separate the conversion that reaches each other automatically; Be pushbutton unit, be connected to by pressing button extruding that the motor with gear on the mobile edition is moved to finish the work.
A kind of gear-shift brake-opening/closing operation device for residual current circuit breaker is disclosed such as existing patent documentation CN 201332078Y, cover in residual current circuit breaker hanging fastening type electric transmission operating mechanism and rail mounted manual transmission operating mechanism are installed, lower end at the residual current circuit breaker capping is equipped with bottom plate, upper mounted plate, motor removing plate and the stopper slot of putting into gear, motor and gear, the lever of putting into gear, extension spring, lever dolly and pin, the handle of putting into gear, slip tooth plates etc. consist of engage a gear formula electric transmission operating mechanism, at handle place, the upper end of residual current circuit breaker capping and the handle connector is installed, handle pin, sliding panel and rail groove, manual breaking-closing operating handles etc. consist of the rail mounted manual-operating mechanism.The mode that technique scheme provides a kind of employing to put into gear is finished the operating means that electronic or manual divide-shut brake is changed each other, when the electronic divide-shut brake of needs, handles the handle of putting into gear, and makes the engagement of motor gear and slip tooth plate; When the manual divide-shut brake of needs, handle the engage a gear handle, motor gear is separated with the slip tooth plate, be according to action need can be electronic the manual device of breaking-closing operating again.But also there is following problem in this technical scheme:
In the technique scheme, a pin that can be used for pegging graft is arranged on the handle pin, handle has the spliced eye that cooperates with pin, therefore handle is plugged on the handle pin by spliced eye and is fixed, after the aforesaid operations device is transformed into manual operation, just need artificial driving handle to realize manual breaking-closing operating, owing to only have a pin that can be used for pegging graft on its handle pin, after long-term the use, the bottom that should firmly assemble middle pin of part when operation, therefore after long-time the use, handle pin may rupture under the effect of stress, makes whole product lose the ability of manual divide-shut brake.In addition, such scheme middle orbit pressing plate is shorter, the effect of the guiding of impact guiding, and track and sliding rack are sliding contact simultaneously, the frictional resistance during motion is large.
The utility model content
Technical problem to be solved in the utility model is in the electronic switching off/on device of circuit breaker of the prior art, adopts single pin to fix handle and causes using for a long time the fracture of back handle pin can not realize the technical problem of manual breaking-closing operating and then a kind of effective prolongation handle pin circuit-breaker switching on-off device in useful life is provided.
For solving the problems of the technologies described above, the utility model provides a kind of circuit breaker electronic switching off/on device, comprising: rack and pinion drive mechanism and guide tracked manual-operating mechanism and manual/auto switching mechanism;
Described guide tracked manual-operating mechanism comprises sliding rack and is fixed in bracing frame on the described sliding rack; The centre of support frame as described above and described sliding rack is provided with the through hole that the handle that is suitable for described circuit breaker passes;
At the upper surface of support frame as described above, be fixedly installed the first strutting piece and the second strutting piece, described the first strutting piece and the second strutting piece are symmetrical arranged about through hole;
One manual operating grip is fixedly installed on described the first strutting piece and described the second strutting piece;
Described the first strutting piece and/or described the second strutting piece comprise main supporter and a little less than the secondary supporter of described main supporter;
Described Manual operation handle bottom is provided with the inserting groove that cooperates with described main supporter and described secondary supporter, and described Manual operation handle is pegged graft and is fixed on described the first strutting piece and/or described the second strutting piece.
Described rack and pinion drive mechanism comprises:
Bottom plate is fixedly connected on the outer surface of described breaker upper cover, and a through hole is set on it, and a pivot pin is through described through hole;
Upper mounted plate is fixedly connected with described bottom plate by described pivot pin, and leaves the space that is suitable for placing directive wheel and described sliding rack between the described bottom plate,
The motor removing plate is flexibly connected by rotating shaft and fixed plate;
Motor is fixed on the described motor removing plate by fixture, and the motor shaft of described motor runs through on described motor removing plate and fixed plate and the described motor shaft and connects gear, the gap of described gear between fixed plate and bottom plate;
Article two, door type rack guide rail is fixed on the described bottom plate by the rack guide rail pin;
Described sliding rack is fixed on the described bottom plate by described door type rack guide rail, and described sliding rack has U-shaped shifting chute, and described directive wheel is pressed into described U-shaped shifting chute.
Described rack guide rail pin outer wall is arranged with axle sleeve, and described sliding rack rolls with described axle sleeve and contacts.
Described manual/auto switching mechanism is for pressing the knob conversion equipment, describedly is installed on the fixed plate by the knob conversion equipment.
The order of connection of described circuit breaker is: A phase, B phase, C phase, N phase, described motor are installed on the side near the N phase.
Technique scheme of the present utility model has following advantage:
(1) in the utility model, by arranging that the first strutting piece and/or the second strutting piece comprise main supporter and a little less than the secondary supporter of main supporter; The Manual operation handle bottom is provided with the inserting groove that cooperates with described main supporter and described secondary supporter, and Manual operation handle is plugged in to be realized on the first strutting piece and/or two strutting pieces fixing.Owing to be provided with main supporter and secondary supporter, so that when Manual operation handle is carried out the application of force, the suffered stress ratio of the first strutting piece and/or the second strutting piece is more even, and because main supporter and secondary supporter are shared this stress jointly, therefore main supporter and secondary supporter can not be subject to too large stress, can prolong the useful life of the first strutting piece and the second strutting piece; And even because one of them main supporter or secondary supporter go wrong, the supporter that also is left other still can play the effect of fixed manual operating grip, and Manual operation handle still can be worked, and can prolong its useful life equally.
(2) in the utility model, sliding rack has U-shaped shifting chute, and directive wheel is pressed in the U-shaped shifting chute, and directive wheel is fixed on the upper mounted plate by pivot pin, and directive wheel can adopt the mode of rolling to reduce friction in U-shaped shifting chute.
(3) in the utility model, the tooth bar pressure plate stud outer wall of tooth bar pressing plate is arranged with axle sleeve, and axle sleeve rolls with sliding rack and contacts, and adopts the mode of rolling to reduce friction.
(4) in the utility model, the mode of operation that employing is changed as the electric/manual divide-shut brake each other by the knob mode, cooperate the U-shaped shifting chute of tooth bar, directive wheel, the cooperations such as rack guide rail, rack guide rail pin, axle sleeve can guarantee reliably engagement of transmission mechanism and separate, thereby make steady under motoring condition, the reliably operation of mechanism, avoid because of vibrations the bad impact that tooth bar warpage etc. produce gear, tooth bar and motor.
(5) in the utility model, the order of connection of the circuit breaker of using is A phase, B phase, C phase, N phase, be the right-hand member that N is in product mutually, according to product structure feature and with the cooperating of other parts, rational deployment, on the right of motor and driving gear setting and motor drive mechanism.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model according to specific embodiment of the utility model also by reference to the accompanying drawings, wherein:
The stereogram of the electronic switching off/on device of circuit breaker that Fig. 1 provides for the utility model;
The structural representation of the strutting piece with main supporter and secondary supporter that Fig. 2 provides for the utility model;
The schematic diagram that the Manual operation handle that Fig. 3 provides for the utility model is connected with strutting piece;
Fig. 4 reaches the schematic diagram that cooperates with directive wheel for the sliding rack that the utility model provides with the gear match;
The vertical view of the electronic switching off/on device of circuit breaker that Fig. 5 provides for the utility model;
The front view of the electronic switching off/on device of circuit breaker that Fig. 6 provides for the utility model;
Wherein, Reference numeral is: 1-bottom plate, 2-motor, 3-upper mounted plate, 4-motor removing plate, 5-sliding rack, 6-rack guide rail, 7-rack guide rail pin, 8-the first strutting piece, 9-bracing frame, 10-the second bracing frame, 11-rotating shaft, the 12-spring, the 13-spring catch, 14-presses knob assembly, the 15-handle, 16-gear, 17-Manual operation handle, 101-master's supporter, the secondary supporter of 102-, 160-directive wheel.
Embodiment
The below provides specific embodiment of the utility model, and as shown in Figure 1, present embodiment provides a kind of circuit breaker electronic switching off/on device, comprising: rack and pinion drive mechanism and guide tracked manual-operating mechanism and manual/auto switching mechanism; Wherein, described guide tracked manual-operating mechanism comprises sliding rack 5 and is fixed in bracing frame 9 on the described sliding rack 5; The centre of support frame as described above 9 and described sliding rack 5 is provided with the through hole that the handle 15 that is suitable for described circuit breaker passes; At the upper surface of support frame as described above 9, be fixedly installed the first strutting piece 8 and the second strutting piece 10, described the first strutting piece 8 and the second strutting piece 10 are symmetrical arranged about through hole; One manual operating grip 17 is fixedly installed on described the first strutting piece 8 and described the second strutting piece 10; As shown in Figure 2, described the first strutting piece 8 and/or described the second strutting piece 10 comprise main supporter 101 and a little less than the secondary supporter 102 of described main supporter; Described Manual operation handle 17 bottoms are provided with the inserting groove that cooperates with described main supporter 101 and described secondary supporter 102, described Manual operation handle 17 is pegged graft to be fixed in and is realized on described the first strutting piece 8 and/or described the second strutting piece 10 fixing, as can be seen from Figure 3 the grafting of described Manual operation handle and described the first strutting piece 8 and described the second strutting piece 10 relation.
Can find out that from Fig. 1 and Fig. 5 described rack and pinion drive mechanism comprises: bottom plate 1, be fixedly connected on described breaker upper cover outer surface, a through hole is set on it, a pivot pin is through described through hole; Upper mounted plate 3 is fixedly connected with described bottom plate 1 by described pivot pin, and leaves the space that is suitable for placing directive wheel 160 and described sliding rack 5 between the described bottom plate 1, and motor removing plate 4 is flexibly connected by rotating shaft 11 and fixed plate 3; Motor 2, be fixed on the described motor removing plate 4 by fixture, the motor shaft of described motor 2 runs through and connects gear 16, the gap of described gear 16 between fixed plate 3 and bottom plate 1 on described motor removing plate 4 and fixed plate 3 and the described motor shaft; Article two, door type rack guide rail 6, are fixed on the described bottom plate 1 by rack guide rail pin 7; As shown in Figure 4, described sliding rack 5 is fixed on the described bottom plate 1 by described door type rack guide rail 6, and described sliding rack 5 has U-shaped shifting chute, and described directive wheel 160 is pressed into described U-shaped shifting chute.Described rack guide rail pin outer wall is arranged with axle sleeve, and described sliding rack 5 rolls with described axle sleeve and contacts.
In conjunction with Fig. 1 and Fig. 3, described manual/auto switching mechanism is adopted and is pressed knob conversion equipment 14, describedly be installed on the fixed plate 3 by knob conversion equipment 14, one spring 12 is fixed on the described bottom plate 1 by spring catch 13, and the other end of described spring 12 is connected by knob assembly 14 with described.
In the present embodiment, the connection jaws of described circuit breaker sequentially is: A phase, B phase, C phase, N phase, described motor 2 is arranged at a side of N phase.Those skilled in the art so arrange motor as can be known, and motor can be arranged on the right side of handle, so that space layout is more reasonable.
Obviously, above-described embodiment only is for example clearly is described, and is not the restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And the apparent variation of being extended out thus or change still are among the protection range of the utility model creation.

Claims (5)

1. the electronic switching off/on device of circuit breaker comprises: rack and pinion drive mechanism and guide tracked manual-operating mechanism and manual/auto switching mechanism;
Described guide tracked manual-operating mechanism comprises sliding rack (5) and is fixed in bracing frame (9) on the described sliding rack (5); The centre of support frame as described above (9) and described sliding rack (5) is provided with the through hole that the handle that is suitable for described circuit breaker passes;
Upper surface in support frame as described above (9) is fixedly installed the first strutting piece (8) and the second strutting piece (10), and described the first strutting piece (8) and the second strutting piece (10) are symmetrical arranged about through hole;
One manual operating grip (17) is fixedly installed on described the first strutting piece (8) and described the second strutting piece (10);
It is characterized in that:
Described the first strutting piece (8) and/or described the second strutting piece (10) comprise main supporter (101) and a little less than the secondary supporter (102) of described main supporter;
Described Manual operation handle (17) bottom is provided with the inserting groove that cooperates with described main supporter (101) and described secondary supporter (102), and described Manual operation handle (17) is pegged graft and is fixed on described the first strutting piece (8) and/or described the second strutting piece (10).
2. the electronic switching off/on device of circuit breaker according to claim 1 is characterized in that:
Described rack and pinion drive mechanism comprises:
Bottom plate (1) is fixedly connected on the outer surface of described breaker upper cover, and a through hole is set on it, and a pivot pin is through described through hole;
Upper mounted plate (3) is fixedly connected with described bottom plate (1) by described pivot pin, and leaves the space that is suitable for placing directive wheel (160) and described sliding rack (5) between the described bottom plate (1),
Motor removing plate (4) is flexibly connected by rotating shaft (11) and fixed plate (3);
Motor (2), be fixed on the described motor removing plate (4) by fixture, the motor shaft of described motor (2) runs through on described motor removing plate (4) and fixed plate (3) and the described motor shaft and connects gear (16), and described gear (16) is positioned at the gap between fixed plate (3) and the bottom plate (1);
Article two, door type rack guide rail (6) is fixed on the described bottom plate (1) by rack guide rail pin (7);
Described sliding rack (5) is fixed on the described bottom plate (1) by described door type rack guide rail (6), and described sliding rack (5) has U-shaped shifting chute, and described directive wheel (160) is pressed into described U-shaped shifting chute.
3. the electronic switching off/on device of circuit breaker according to claim 2 is characterized in that:
Described rack guide rail pin outer wall is arranged with axle sleeve, and described sliding rack (5) rolls with described axle sleeve and contacts.
4. the electronic switching off/on device of arbitrary described circuit breaker according to claim 1-3 is characterized in that:
Described manual/auto switching mechanism is for pressing knob conversion equipment (14), describedly is installed on the fixed plate (3) by knob conversion equipment (14).
5. the electronic switching off/on device of circuit breaker according to claim 4 is characterized in that:
The order of connection of described circuit breaker is: A phase, B phase, C phase, N phase, described motor (2) are installed on the side near the N phase.
CN 201220318066 2012-07-03 2012-07-03 Electric divide-shut brake device for circuit breaker Expired - Fee Related CN202651019U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220318066 CN202651019U (en) 2012-07-03 2012-07-03 Electric divide-shut brake device for circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220318066 CN202651019U (en) 2012-07-03 2012-07-03 Electric divide-shut brake device for circuit breaker

Publications (1)

Publication Number Publication Date
CN202651019U true CN202651019U (en) 2013-01-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220318066 Expired - Fee Related CN202651019U (en) 2012-07-03 2012-07-03 Electric divide-shut brake device for circuit breaker

Country Status (1)

Country Link
CN (1) CN202651019U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110083054A (en) * 2019-05-22 2019-08-02 江西中汽瑞华新能源科技有限公司 Emergency flight control system
CN112053917A (en) * 2020-10-14 2020-12-08 国网湖南省电力有限公司 Thing allies oneself with surplus current operated circuit breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110083054A (en) * 2019-05-22 2019-08-02 江西中汽瑞华新能源科技有限公司 Emergency flight control system
CN112053917A (en) * 2020-10-14 2020-12-08 国网湖南省电力有限公司 Thing allies oneself with surplus current operated circuit breaker

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

Granted publication date: 20130102

Termination date: 20180703

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