CN205159244U - Accessory drive - Google Patents
Accessory drive Download PDFInfo
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- CN205159244U CN205159244U CN201520902180.2U CN201520902180U CN205159244U CN 205159244 U CN205159244 U CN 205159244U CN 201520902180 U CN201520902180 U CN 201520902180U CN 205159244 U CN205159244 U CN 205159244U
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- dropout
- gear
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- meshed
- transmission mechanism
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Abstract
The utility model discloses an accessory drive, including casing, motor, skewed tooth wheelset, straight -tooth wheelset, drive mechanism, dropout driving piece, driving -disc and rotating member, the motor pass through the worm with the skewed tooth wheelset meshes the connection mutually, the skewed tooth wheelset with the straight -tooth wheelset meshes mutually, the straight -tooth wheelset with drive mechanism meshes mutually, be equipped with a plurality of fixed columns in the casing, drive mechanism drive and control the dropout driving piece, the one end of dropout driving piece is fixed on the fixed column, and the centre is rotatably fixed on the casing, the other end rotatory in -process can with drive mechanism contacts, the rotating member extends the arc shaped gear portion that is equipped with along horizontal direction, the rotating member with the driving -disc all has the shaft hole and has the same axle center all to be connected on the square shaft, the rotating member pass through arc shaped gear portion with drive mechanism meshes mutually. After being connected, this accessory drive can control the automatic trip separating brake of circuit breaker with the circuit breaker.
Description
Technical field
The utility model relates to electric switch technical field, particularly relates to a kind of accessory drive.
Background technology
Miniature circuit breaker; being called for short MCB, is most popular a kind of terminal protection electrical equipment during electric terminal power distribution equipment draws, for the protection such as short circuit, overload, overvoltage of single-phase, the three-phase of below 125A; comprise one pole 1P, two pole 2P, three pole 3P, four pole 4P etc. four kinds.Accessory drive and motor-operating mechanism a kind of annex that to be a kind of be for far distance automatic separating brake and combined floodgate circuit breaker, accessory drive is connected with circuit breaker, can realize remote electric separating brake and the combined floodgate of circuit breaker; Accessory drive has Motor Control drive unit and magnet control drive unit two kinds.Accessory drive is used in mold cased circuit breaker cage, and how reaching splitting or integrating by the position of the cam of Electronic control drive unit inside, circuit breaker, when operating with motor drive mechanism, can ensure that circuit breaker reliably closes; But for ensureing correct its structure of order of operation and controlling comparatively complicated, reliability is low, and cost is high.
A kind of motor-operating mechanism of circuit breaker is disclosed in Chinese patent literature CN203277259U, its technical scheme adopted is, the motor-operating mechanism of this kind of circuit breaker, comprise rolling disc, slide plate and a semi-circular teeth dish, described rolling disc side arranges one handle, the extended rotating shaft of described rolling disc opposite side, described rotating shaft is offered a holddown groove, described semicircle fluted disc to embed in holddown groove and is socketed on the same axis with rotation seat, described rolling disc is offered a breach, one end of described slide plate is provided with promotion button, a lock-receiving aperture offered by described promotion button, the other end of described slide plate is provided with snap fit, when slide plate moves backward, snap fit is buckled in the breach of rolling disc.But at the combined floodgate separating brake that the circuit breaker of this technical scheme can be manual or artificial, artificially closing a floodgate by force when can prevent fault from not removing or not pay dues after there is the tripping operation that catastrophe failure or arrearage cause cannot be ensured, thus safety cannot be guaranteed or prevent arrearage from sneaking current.
The another transmission mechanism disclosing a kind of electric operation mechanism for miniature breaker in Chinese patent literature CN102290298A, include housing, in housing, drive motors is installed, housing is provided with the handle that can rotate around fixed axis, handle, at its lower end is provided with gear and is positioned at housing, the output shaft of described drive motors is provided with and turns wall and driving gear supporting with it, driving gear and gears meshing, turn between wall and the corollary apparatus of driving gear and be provided with gap.This technical scheme also cannot ensure artificially closing a floodgate by force when can prevent fault from not removing or not pay dues after there is the tripping operation that catastrophe failure or arrearage cause, thus cannot guarantee safety or prevent arrearage from sneaking current.
Therefore, be necessary to provide a kind of and cannot carry out by handle the accessory drive that closes a floodgate by the mutually assembled circuit breaker rapid-releasing that is connected of motor direct-drive and its.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of and cannot carry out by handle the accessory drive that closes a floodgate by the mutually assembled circuit breaker rapid-releasing that is connected of motor direct-drive and its.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is, this accessory drive comprises housing, motor, bevel gear set, straight-tooth wheels and transmission mechanism, and described motor to be meshed with described bevel gear set by worm screw and to be connected; Described bevel gear set is meshed with described straight-tooth wheels; Described straight-tooth wheels are meshed with described transmission mechanism; Some fixed legs are provided with in described housing; This accessory drive also comprises dropout actuator, driving-disc and revolving meber, described transmission mechanism drives and controls described dropout actuator, one end of described dropout actuator is fixed on fixed leg, centre is rotatably fixed on housing, and the other end can contact with described transmission mechanism in rotary course; Described revolving meber transversely direction extends and is provided with arc gear wheel portion, and described revolving meber all has axis hole with described driving-disc and has identical axle center and is all connected on square shaft, and described revolving meber is meshed with described transmission mechanism by arc gear wheel portion.
Adopt technique scheme, motor is rotated by worm drive bevel gear set, bevel gear set drives straight-tooth wheels to rotate, straight-tooth wheels drive transmission mechanism to rotate, transmission mechanism drives dropout actuator dynamic, the motion of dropout actuator coordinates to achieve with transmission mechanism and directly drives dropout actuator to move by motor, thus realization employing motor Direct driver circuit breaker rapid-releasing, namely namely power-off threads off; Simultaneously after dropout revolving meber moves to circuit breaker tripping position, then can remain on trip positions, thus make the snap close of circuit breaker be in released state always, cannot closing by hand, ensure artificially closing a floodgate by force when can prevent fault from not removing or not pay dues after there is the tripping operation that catastrophe failure or arrearage cause, thus guarantee safety or prevent arrearage from sneaking current.
Further improvement is, described transmission mechanism comprises travelling gear and the first gear, and described first gear is arranged with described travelling gear is concentric, and the central part on the surface that described first gear contacts with described travelling gear is provided with arc groove; Described travelling gear is provided with the first arc boss with the central part on the surface that described first gear contacts, described travelling gear and described first gear insert arc groove by the first arc boss and coordinate and install, and described first arc boss inserts between described arc groove and leaves gap; Described transmission mechanism is meshed with described revolving meber by described first gear; Described transmission mechanism is meshed by described travelling gear with described straight-tooth wheels.Inserted after arc groove coordinates installation by the first arc boss and leave gap, transmission mechanism can be limited and rotate in certain angle, thus change the on off state of the circuit breaker be connected with accessory drive; Arranging the first gear is to be meshed with straight-tooth wheels by transmission mechanism, can realize carrying out drive transmission device by straight-tooth wheels and rotate.
Further improvement is, described dropout actuator comprises dropout drive division, dropout connector and dropout pivoted lever, and described dropout connector has axle center and is socketed on the fixed leg of described housing; Described dropout connector transversely direction extension has connecting portion, and described dropout pivoted lever is connected with described dropout connector by connecting portion; Described dropout pivoted lever transversely direction extension has dropout drive division, and one end of described dropout drive division can contact with described transmission mechanism in rotary course; In the centre of described dropout pivoted lever and the below being positioned at described dropout drive division transversely cave inward and be provided with the first groove in direction, described travelling gear is embedded in described first groove.
Further improvement is, described travelling gear axially extends and has arc boss, and described travelling gear to be contacted with described dropout drive division by described arc boss thus drives and control described dropout actuator in rotary course.The position of dropout actuator can be limited by arc boss, thus realize snap close and remain on trip positions, make the snap close of circuit breaker be in released state always, cannot close a floodgate, ensure artificially closing a floodgate by force when can prevent fault from not removing or not pay dues after there is the tripping operation that catastrophe failure or arrearage cause further better, thus guarantee safety or prevent arrearage from sneaking current.
Further improvement is, described housing is provided with slide rail, and one end of described dropout pivoted lever is embedded in described slide rail, and described slide rail is for controlling the movement locus of described dropout pivoted lever.
Further improvement is, described housing comprises middle baffle plate, and described middle baffle plate is provided with some support columns, and described driving-disc is embedded in described middle baffle plate, and one end is fixed on described support column.Arranging like this can make the position of driving-disc remain unchanged, thus the direction of motion of restriction revolving meber.
Further improvement is, the extension vertically of described revolving meber is provided with projection, and described projection is 4 equally distributed fan-shaped boss, and described fan-shaped boss is meshed with described driving-disc.Arranging fan-shaped boss can make driving-disc coordinate better with revolving meber, is conducive to the direction of motion of driving-disc restriction revolving meber.
As preferred version of the present utility model, the central angle of described arc groove is greater than 180 degree and is less than 360 degree; The central angle of described first arc boss is greater than 20 degree and is less than 120 degree.Such angle is provided with and is beneficial to the plug-in type leaving gap between arc groove and the first arc boss and installs.
As preferred version of the present utility model, described arc boss is circular arc, and the central angle of described arc boss is greater than 20 degree, and is less than 120 degree; Described arc gear wheel portion central angle is greater than 20 degree, and is less than 120 degree.Such angle arranges and travelling gear and dropout actuator can be made to realize coordinating better; Make the first gear and revolving meber realize coordinating better and to engage each other and brought into motion simultaneously.
Further improvement is, described bevel gear set comprises helical gear and lower helical gear, and described straight-tooth wheels comprise spur gear and lower spur gear, and described upper helical gear and described worm screw are meshed, and described lower helical gear is meshed with described lower spur gear; Described upper spur gear is meshed with described travelling gear.Such setting, can ensure engaging each other and brought into motion of bevel gear set and straight-tooth wheels better.
Compared with prior art, the beneficial effects of the utility model are: this accessory drive can control the automatic dropout separating brake of circuit breaker after being connected with circuit breaker is assembled; Achieve and directly drive the motion of dropout actuator by motor, thus realize adopting motor Direct driver circuit breaker rapid-releasing, namely namely power-off threads off; After dropout revolving meber moves to circuit breaker tripping position simultaneously, then can remain on trip positions, thus make the snap close of circuit breaker be in released state always, cannot closing by hand, ensure artificially closing a floodgate by force when can prevent fault from not removing or not pay dues after there is the tripping operation that catastrophe failure or arrearage cause, thus guarantee safety or prevent arrearage from sneaking current.
Accompanying drawing explanation
Further describe below in conjunction with accompanying drawing and execution mode of the present utility model:
Fig. 1 is that accessory drive removes the upper part of housing and the structural representation of middle baffle plate;
Fig. 2 is the structural representation leaving middle baffle plate in Fig. 1;
Fig. 3 is the structural representation of the dropout actuator of accessory drive;
Fig. 4 is the structural representation of the transmission mechanism of accessory drive;
Fig. 5 is the structural representation of travelling gear in the transmission mechanism of accessory drive;
Fig. 6 is the structural representation of the first gear in the transmission mechanism of accessory drive;
Fig. 7 is the structural representation of accessory drive revolving meber;
Wherein: 1-dropout actuator; 101-dropout drive division; 102-dropout connector; 103-dropout pivoted lever; 104-first groove; 2-driving-disc; 3-housing; 301-slide rail; 302-middle baffle plate; 4-motor; 401-worm screw; 5-bevel gear set; 6-straight-tooth wheels; 7-transmission mechanism; 701-travelling gear; 7011-first arc boss; 702-first gear; 7021-arc groove; 703-arc boss; 8-revolving meber; 801-arc gear wheel portion; The fan-shaped boss of 802-.
Embodiment
As shown in Fig. 1 ~ 7, this accessory drive comprises housing 3, motor 4, bevel gear set 5, straight-tooth wheels 6 and transmission mechanism 7, and motor 4 to be meshed with bevel gear set 5 by worm screw 401 and to be connected; Bevel gear set 5 is meshed with straight-tooth wheels 6; Straight-tooth wheels 6 are meshed with transmission mechanism 7; Some fixed legs are provided with in housing 3; This accessory drive also comprises dropout actuator 1, driving-disc 2 and revolving meber 8, transmission mechanism 7 drives and controls dropout actuator 1, one end of dropout actuator 1 is fixed on fixed leg, and centre is rotatably fixed on housing 3, and the other end can contact with transmission mechanism 7 in rotary course; Revolving meber 8 transversely direction extends and is provided with arc gear wheel portion 801, and revolving meber 8 all has axis hole with driving-disc 2 and has identical axle center and is all connected on square shaft, and revolving meber 8 is meshed with transmission mechanism 7 by arc gear wheel portion 801; Transmission mechanism 7 comprises travelling gear 701 and the first gear 702, first gear 702 is arranged with travelling gear 701 is concentric, and the central part on the surface that the first gear 702 contacts with travelling gear 701 is provided with arc groove 7021; The central angle of arc groove 7021 is greater than 180 degree and is less than 360 degree; The central angle that the central part on the surface that travelling gear 701 contacts with the first gear is provided with the first arc boss 7011, first arc boss 7011 is greater than 20 degree and is less than 120 degree; Travelling gear 701 and the first gear 702 insert arc groove 7021 by the first arc boss 7011 and coordinate and install, and the first arc boss 7011 inserts between arc groove 7021 and leaves gap; Transmission mechanism 701 is meshed with revolving meber 8 by the first gear 702; After coordinating installation, leave gap, transmission mechanism 7 can be limited and rotate in certain angle, thus change the on off state of the circuit breaker be connected with accessory drive; Transmission mechanism 701 is meshed by travelling gear 701 with straight-tooth wheels 6; Dropout actuator 1 comprises dropout drive division 101, dropout connector 102 and dropout pivoted lever 103, and dropout connector 102 has axle center and is socketed on the fixed leg of housing 1; Dropout connector 102 transversely direction extension has connecting portion, and dropout pivoted lever 103 is connected with dropout connector 102 by connecting portion; Dropout pivoted lever 103 transversely direction extension has dropout drive division 101, and one end of dropout drive division 101 can contact with transmission mechanism 7 in rotary course; In the centre of dropout pivoted lever 103 and the below being positioned at dropout drive division 101 transversely cave inward and be provided with the first groove 104 in direction, travelling gear 701 is embedded in the first groove 104; Travelling gear 701 extends vertically and has arc boss 703, and travelling gear 701 to be contacted with dropout drive division 101 by arc boss 703 thus drives and control dropout actuator 1 in rotary course; Housing 3 is provided with slide rail 301, and one end of dropout pivoted lever 103 is embedded in slide rail 301, and slide rail 301 is for controlling the movement locus of dropout pivoted lever 103; Housing 3 comprises middle baffle plate 302, and middle baffle plate 302 is provided with some support columns, and driving-disc 2 is embedded in middle baffle plate 302, and one end is fixing on the support columns; The extension vertically of revolving meber 8 is provided with projection, and projection is 4 equally distributed fan-shaped boss 802, and fan-shaped boss 802 is meshed with driving-disc 2; The axle sleeve of revolving meber 8 is provided with the second groove; Arc boss 703 is in circular arc, and the central angle of arc boss 703 is greater than 20 degree, and is less than 120 degree; Arc gear wheel portion 801 central angle is greater than 20 degree, and is less than 120 degree; Bevel gear set 5 comprises helical gear and lower helical gear, and straight-tooth wheels 6 comprise spur gear and lower spur gear, and upper helical gear and worm screw 401 are meshed, and lower helical gear is meshed with lower spur gear; Upper spur gear is meshed with travelling gear 701.
The course of work: when wanting electric switch-on circuit breaker, motor 4 drives bevel gear set 5, straight-tooth wheels 6 and travelling gear 701 to rotate, travelling gear 701 drives revolving meber 8 to be rotated counterclockwise around axle as driving link, gap is left because the first arc boss 7011 inserts between arc groove 7021, can the first gear 702 be driven to rotate in certain angle by travelling gear 701, thus revolving meber 8 can be made to rotate to an angle; Make revolving meber 8 that the bat-handle switch of coupled circuit breaker is rotated counterclockwise around axle and make breaker closing.
When wanting electronic separating brake circuit breaker, motor 4 drives bevel gear set 5, straight-tooth wheels 6 rotate, band nutating gear 701 turns clockwise, travelling gear 701 controls dropout actuator 1 by arc boss 701, dropout pivoted lever 103 is moved in slide rail 301, leave gap because the first arc boss 7011 inserts between arc groove 7021 simultaneously, can the first gear 702 be driven to rotate in certain angle by travelling gear 701, thus revolving meber 8 can be made to rotate to an angle; Thus realize separating brake and namely thread off.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. an accessory drive, comprises housing, motor, bevel gear set, straight-tooth wheels and transmission mechanism, and described motor to be meshed with described bevel gear set by worm screw and to be connected; Described bevel gear set is meshed with described straight-tooth wheels; Described straight-tooth wheels are meshed with described transmission mechanism; Some fixed legs are provided with in described housing; It is characterized in that, also comprise dropout actuator, driving-disc and revolving meber, described transmission mechanism drives and controls described dropout actuator, one end of described dropout actuator is fixed on fixed leg, centre is rotatably fixed on housing, and the other end can contact with described transmission mechanism in rotary course; Described revolving meber transversely direction extends and is provided with arc gear wheel portion, and described revolving meber all has axis hole with described driving-disc and has identical axle center and is all connected on square shaft, and described revolving meber is meshed with described transmission mechanism by arc gear wheel portion.
2. accessory drive according to claim 1, it is characterized in that, described transmission mechanism comprises travelling gear and the first gear, and described first gear is arranged with described travelling gear is concentric, and the central part on the surface that described first gear contacts with described travelling gear is provided with arc groove; Described travelling gear is provided with the first arc boss with the central part on the surface that described first gear contacts, described travelling gear and described first gear insert arc groove by the first arc boss and coordinate and install, and described first arc boss inserts between described arc groove and leaves gap; Described transmission mechanism is meshed with described revolving meber by described first gear; Described transmission mechanism is meshed by described travelling gear with described straight-tooth wheels.
3. accessory drive according to claim 2, is characterized in that, described dropout actuator comprises dropout drive division, dropout connector and dropout pivoted lever, and described dropout connector has axle center and is socketed on the fixed leg of described housing; Described dropout connector transversely direction extension has connecting portion, and described dropout pivoted lever is connected with described dropout connector by connecting portion; Described dropout pivoted lever transversely direction extension has dropout drive division, and one end of described dropout drive division can contact with described transmission mechanism in rotary course; In the centre of described dropout pivoted lever and the below being positioned at described dropout drive division transversely cave inward and be provided with the first groove in direction, described travelling gear is embedded in described first groove.
4. accessory drive according to claim 3, it is characterized in that, described travelling gear axially extends and has arc boss, and described travelling gear to be contacted with described dropout drive division by described arc boss thus drives and control described dropout actuator in rotary course.
5. accessory drive according to claim 3, is characterized in that, described housing is provided with slide rail, and one end of described dropout pivoted lever is embedded in described slide rail, and described slide rail is for controlling the movement locus of described dropout pivoted lever.
6. accessory drive according to claim 1, is characterized in that, described housing comprises middle baffle plate, and described middle baffle plate is provided with some support columns, and described driving-disc is embedded in described middle baffle plate, and one end is fixed on described support column.
7. accessory drive according to claim 6, is characterized in that, the extension vertically of described revolving meber is provided with projection, and described projection is 4 equally distributed fan-shaped boss, and described fan-shaped boss is meshed with described driving-disc.
8. accessory drive according to claim 3, is characterized in that, the central angle of described arc groove is greater than 180 degree and is less than 360 degree; The central angle of described first arc boss is greater than 20 degree and is less than 120 degree.
9. accessory drive according to claim 4, is characterized in that, described arc boss is circular arc, and the central angle of described arc boss is greater than 20 degree, and is less than 120 degree; Described arc gear wheel portion central angle is greater than 20 degree, and is less than 120 degree.
10. accessory drive according to claim 9, it is characterized in that, described bevel gear set comprises helical gear and lower helical gear, and described straight-tooth wheels comprise spur gear and lower spur gear, described upper helical gear and described worm screw are meshed, and described lower helical gear is meshed with described lower spur gear; Described upper spur gear is meshed with described travelling gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520902180.2U CN205159244U (en) | 2015-11-13 | 2015-11-13 | Accessory drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520902180.2U CN205159244U (en) | 2015-11-13 | 2015-11-13 | Accessory drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205159244U true CN205159244U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520902180.2U Active CN205159244U (en) | 2015-11-13 | 2015-11-13 | Accessory drive |
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| Country | Link |
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| CN (1) | CN205159244U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304421A (en) * | 2015-11-13 | 2016-02-03 | 苏州未来电器股份有限公司 | Control driving device |
| CN105845522A (en) * | 2016-05-19 | 2016-08-10 | 浙江德菱科技股份有限公司 | Electric operating mechanism for circuit breaker |
| CN107039214A (en) * | 2017-04-14 | 2017-08-11 | 上海麦豆电气有限公司 | Automatic fault detection and the reclosing shown with liquid crystal display after a kind of tripping operation |
-
2015
- 2015-11-13 CN CN201520902180.2U patent/CN205159244U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304421A (en) * | 2015-11-13 | 2016-02-03 | 苏州未来电器股份有限公司 | Control driving device |
| CN105304421B (en) * | 2015-11-13 | 2017-09-19 | 苏州未来电器股份有限公司 | Control drive device |
| CN105845522A (en) * | 2016-05-19 | 2016-08-10 | 浙江德菱科技股份有限公司 | Electric operating mechanism for circuit breaker |
| CN107039214A (en) * | 2017-04-14 | 2017-08-11 | 上海麦豆电气有限公司 | Automatic fault detection and the reclosing shown with liquid crystal display after a kind of tripping operation |
| CN107039214B (en) * | 2017-04-14 | 2020-08-28 | 上海麦豆电气有限公司 | Reclosing switch capable of automatically detecting fault after tripping and provided with liquid crystal display screen for displaying |
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