CN201667582U - Motor-driven speed changing device - Google Patents

Motor-driven speed changing device Download PDF

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Publication number
CN201667582U
CN201667582U CN2010201147975U CN201020114797U CN201667582U CN 201667582 U CN201667582 U CN 201667582U CN 2010201147975 U CN2010201147975 U CN 2010201147975U CN 201020114797 U CN201020114797 U CN 201020114797U CN 201667582 U CN201667582 U CN 201667582U
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motor
wheel hub
gear
clutch
axis
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CN2010201147975U
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Chinese (zh)
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张宏艳
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张宏艳
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

Abstract

The utility model relates to a motor-driven speed changing device comprising a motor, a through shaft, a wheel hub casing and a planetary gear train, wherein the motor is integrally connected with a driving wheel; and the speed changing device adopts the reversing transmission characteristic of a planetary gear rack and a gear ring of the planetary gear train to be matched with a clutch, and transforms the transmission mode and the speed ratio of the planetary gear train when the motor is in counterclockwise or clockwise rotation, and simultaneously the wheel hub casing or a middle-mounted output shaft can keep the co-rotating output power so as to obtain low speed large-torque and high-speed high efficiency running, thereby realizing the speed changing and energy saving effect of the motor-driven speed changing device. The motor-driven speed changing device has the advantages of light weight, simple structure, automatic speed changing, energy saving and wide application range, and can be widely applied to the fields of power assistant vehicles, electric vehicles, hybrid electric automobiles, fuel vehicles, washing machines, power apparatuses, power machines and the like.

Description

Motor drive transmission
Technical field
The utility model relates to a kind of speed change gear, particularly relates to a kind of electric vehicle motor clockwise or when rotating counterclockwise, and its speed change gear drive hub shell or output shaft are realized the motor drive transmission that speed change is in the same way rotated.
Background technology
As everyone knows, a few days ago, the electric vehicle motor of Chu Shouing Moped Scooter motor or do not have mechanical speed change gear particularly consumes energy when startup, climbing or load-carrying on the market; Mechanical variable speed device is arranged, and it is a fixed speed ratio, can not give full play to motor performance again.
A kind of CD-ROM drive motor and automatic transimission are disclosed in the Chinese patent application prospectus 200820107607.X of my application.Action of centrifugal force when this speed change gear adopts revolution by centrifugal shaft shelves and the axial motion positions speed change of change-speed gearing, realizes the fluid drive speed changing function.Because its centrifugal shaft shelves and change-speed gearing need take certain axial space, the speed change gear volume is increased, installing to Moped Scooter makes troubles, and outward appearance is not good enough.
A kind of power output device of wheel hubs of electric vehicles is disclosed in Chinese patent application prospectus 200910305629.6.When having adopted the motor forward or reverse, this power take-off can realize same direction low speed or the output of power at a high speed respectively, and the forward or reverse of motor (electro-motor) is that the set point by the detected output gear velocity of rotation of the velocity transducer signal that is provided with is transferred to central controller and realizes, that is to say, velocity transducer is arranged near the interior output gear of wheel hub, certainly will make troubles to installation like this, will the life-span of velocity transducer be impacted if inject the long-time use of grease in this power take-off.And its motor (electro-motor) forward and backward control signal has only adopted a velocity transducer, and control signal is gathered single, and control device is dumb.And, adopt single directive wheel and travelling gear and have mono-directional overrun disengaging type gear (motorcycle industry common structure) transmission, be equivalent to the spur gear transmission, make each strength of gear big, easy to wear.In above-mentioned power output device of wheel hubs of electric vehicles, between wheel hub end housing and the casing and between each rotating shaft, bearing seal is not set, easily permeable, will have a strong impact on motor useful life.
Summary of the invention
Main purpose of the present utility model is to overcome above deficiency and big, the controlled fluid drive of a kind of moment of torsion, efficient height and energy-conservation motor drive transmission is provided.
The utility model is that the technical scheme that its technical problem of solution is taked is: a kind of motor drive transmission, it comprises by motor 4, axis 1, the motor drive transmission that wheel hub shell 6 and planet circular system constitute, the coaxial motor rotor 5 that is equipped with on axis 1, driving wheel A 51 and speed change gear and respectively by bearings at axis 1, motor end cap 41 is fixed on the stator casing of motor 4 and is fixed on the axis 1 motionless by key pin 17 and jump ring by screw, wheel hub left end cap 61 is fixed on the wheel hub shell 6 by screw by bearings respectively with wheel hub right end cap 62, it is characterized in that: clutch A 12 and clutch B 10 are set respectively in speed change gear, clutch A 12 is provided with maintenance between follower support A 14 and wheel hub shell 6 inner chambers, clutch B 10 is provided with maintenance between gear ring B 11 and wheel hub shell 6 inner chambers or maintenance is set between follower support B8 and axis 1, described clutch A 12 is identical with clutch B 10 engagement in rotation directions, follower support A14 and driving wheel B 52 are integral, at least maintenance is provided with 1 follower A 16 and follower support A 14 and is rotated at axis 1 by bearings on follower support A 14, at least maintenance is provided with 1 follower B 9 and follower support B 8 is fixed on the axis 1 by key pin 7 on follower support B 8, gear ring A15 by dowel fixes on the shell of motor 4, between the excircle of motor 4 shells and wheel hub shell 6 inner chambers, seal 13 is set, motor rotor 5 is integral with driving wheel A 51 or split is integral rotation by screw, in wheel hub shell 6 inner chambers, circuit control device 3 is set and is fixed on the motor end cap 41, signal sensor 2 and its signal transducer 21 of control motor 4 rotation directions being set in the inside or the outside of wheel hub shell 6, and signal sensor 2 maintenances are on circuit control device 3 or motor end cap 41 or axis 1, signal transducer 21 by screw retained wheel hub left end cap 61 or the wheel hub shell 6 on, at wheel hub left end cap 61, between the centre bore of wheel hub right end cap 62 and the axis 1 seal is set respectively, at wheel hub left end cap 61, between wheel hub right end cap 62 and the wheel hub shell 6 seal is set respectively, pairing the wheel on hub shell 6 or the wheel hub right end cap 62 of speed change gear notes are set, jettison gear 19, draw in motor 4 and the centre bore of circuit pilot from axis 1 or the axis hole on the wheel hub left end cap 61, in pilot and its fairlead, seal is set.
The utility model can also adopt following technical measures:
Described speed change gear is planetary gear speed-changing, harmonic gear speed change or the cycloid gear speed change of 1-10 level; Described planet circular system both can adopt the mechanical wheel speed change, also can adopt the magnet pulley speed change.
Described speed change gear adopts 1 planet circular system at least, and have 1 follower A16 or follower B 9 in the planet circular system at least, its follower A 16 or follower B 9 can adopt trapezoidal gear drive simultaneously or adopt single gear simultaneously and trapezoidal gear drive when described planet circular system was the planetary gear transmission.
Its clutch A 12 was provided with maintenance between shaft joint 18 and wheel hub shell 6 inner chambers when described speed change gear adopted 1 planet circular system, and described shaft joint 18 is rotated on driving wheel A 51 and together by the jump ring maintenance.
Described clutch A 12 is provided with maintenance between follower support A 14 and wheel hub shell 6 inner chambers, can also be arranged between gear ring A 15 and wheel hub shell 6 inner chambers; Described clutch B 10 is provided with maintenance between gear ring B 11 and wheel hub shell 6 inner chambers or maintenance is set between follower support B 8 and axis 1, can also be arranged on the follower B 9; Described follower support A 14 is integral or split with driving wheel B 52, and clutch B 10 is arranged between driving wheel B 52 and the follower support A 14 or on the follower B 9.
Described clutch A 12 is Wedge-types with clutch B 10, can also use ratchet mechanism, Geneva mechanism to replace using, and described clutch A 12 can adopt same form or multi-form structure simultaneously with clutch B 10.
Described motor drive transmission be the wheel hub output type and can also be mid-axle output type, described motor drive transmission maintenance on axis 1, can also maintenance on two semiaxis and two semiaxis be connected with follower support B 8 with motor end cap 41 respectively; Its axis 1 can adopt hollow shaft and foot-operated axis 54 is set on axis 1 when described motor drive transmission was mid-output, between foot-operated axis 54 and output shaft 20 pedal clutch device 53 and seal was set.
Described motor 4 is electro-motor, fuel oil motor, air motor or hydraulic motor; Described motor 4 be 1. external-rotor-type be the inner chamber the inside that stator is enclosed within motor rotor, 2. the single rotor of disc type or birotor are an axial side or the centre that stator is installed in motor rotor, 3. inner-rotor-type to be that stator is enclosed within the motor rotor outside one kind of.
Described circuit control device 3 is arranged on the inside of wheel hub shell 6, and can also be arranged on the outside of wheel hub shell 6 or use separately, described signal sensor 2 and its signal transducer 21 are arranged on the inside of wheel hub shell 6 or the outside is integral or split and use separately, described signal sensor 2 and its signal transducer 21 are electromagnetic sensor, torque sensor or photoelectric sensor, can also adopt the signal of handle switch 22, centrifugal switch 23 or hand switch 24 to control motor 4 clockwise or rotate counterclockwise.
Described speed change gear and motor 4 coaxial or disalignments, described speed change gear can also be arranged in parallel with motor 4 and the output gear axle of motor rotor 5 is connected rotation with driving wheel A 51 by excessive wheel 55.
Advantage and the good effect that the utlity model has are: in light weight, simple in structure, fluid drive is energy-conservation, and applied range can be widely used in fields such as vehicle using motor, electric motor car, hybrid vehicle, fuel vehicle, washing machine, power utensil and dynamic power machine.
Description of drawings
Fig. 1 is the show in schematic partial sections of the utility model wheel hub export structure.
Fig. 2 is the another kind of form show in schematic partial sections of the utility model wheel hub export structure.
Fig. 3 is the show in schematic partial sections that the utility model adopts the bidirectional clutch structure.
Fig. 4 is the utility model circuit control structure theory diagram.
Fig. 5 is the show in schematic partial sections that the utility model adopts trapezoidal gear transmission structure.
Fig. 6 is that the utility model adopts trapezoidal gear-driven structure principle chart.
Fig. 7 is that the utility model adopts trapezoidal gear-driven structural principle end view.
Fig. 8 is the another kind of form principle figure that the utility model adopts trapezoidal gear transmission structure.
Fig. 9 is the another kind of form principle end view that the utility model adopts trapezoidal gear transmission structure.
Figure 10 is the show in schematic partial sections that the utility model adopts the semiaxis structure.
Figure 11 is the single gear transmission show in schematic partial sections of the utility model wheel hub export structure.
Figure 12 is the show in schematic partial sections of the mid-axle of the utility model export structure.
Figure 13 is the show in schematic partial sections of the foot-operated middle axle construction of the utility model mid-axle output band.
Figure 14 is the show in schematic partial sections of the utility model speed change gear and motor disalignment structure.
Figure 15 is the schematic block diagram of the utility model speed change gear and motor disalignment structure.
Among Fig. 1-Figure 15: 1. axis; 2. signal sensor; 3. circuit control device; 4. motor; 5. motor rotor; 6. wheel hub shell; 7. key pin; 8. follower support B; 9. follower B; 10. clutch B; 11. gear ring B; 12. clutch A; 13. seal; 14. follower support A; 15. gear ring A; 16. follower A; 17. key pin; 18. shaft joint; 19. notes, jettison gear; 20. output shaft; 21. signal transducer; 22. handle switch; 23. centrifugal switch; 24. hand switch; 25. key pin; 41. motor end cap; 51. driving wheel A; 52. driving wheel B; 53. pedal clutch device; 54. foot-operated axis; 55. excessively take turns; 61. wheel hub left end cap; 62. wheel hub right end cap.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows: see also Fig. 1 and Figure 15.
Embodiment 1: with the wheel hub of electric bicycle motor is that example is illustrated, and speed change gear adopts the two-stage planet speed change.
As shown in Figures 1 to 4: clutch A 12 is set respectively in speed change gear (all adopts Wedge-type or ratchet mechanism or Geneva mechanism with clutch B 10, also can adopt same form or multi-form structure simultaneously), clutch A 12 is provided with maintenance between follower support A 14 (planet carrier) and wheel hub shell 6 inner chambers, clutch B 10 is provided with maintenance between gear ring B 11 and wheel hub shell 6 inner chambers or maintenance is set between follower support B 8 (planet carrier) and the axis 1 or on the follower B 9 (planetary gear), described clutch A 12 is identical with clutch B 10 engagement in rotation directions, follower support A14 (planet carrier) is integral with driving wheel B 52 or is split type, and clutch B 10 is arranged between driving wheel B 52 and the follower support A 14 and is the one bidirectional clutch with clutch A 12, at least maintenance is provided with 1 follower A 16 (planetary gear) and follower support A 14 (planet carrier) and is rotated at axis 1 by bearings on follower support A 14 (planet carrier), at least maintenance is provided with 1 follower B 9 (planetary gear) and follower support B 8 (planet carrier) is fixed on the axis 1 by key pin 7 on follower support B 8 (planet carrier), gear ring A 15 by dowel fixes on the shell of motor 4, between the excircle of motor 4 shells and wheel hub shell 6 inner chambers, seal 13 is set, motor rotor 5 is integral with driving wheel A 51 or split is integral rotation by screw, in wheel hub shell 6 inner chambers, circuit control device 3 is set and is fixed on the motor end cap 41 (or motor stator support or axis 1), signal sensor 2 and its signal transducer 21 of control motor 4 rotation directions being set in the inside or the outside of wheel hub shell 6, and signal sensor 2 maintenances are on circuit control device 3 or motor end cap 41 or axis 1, signal transducer 21 by screw retained wheel hub left end cap 61 or the wheel hub shell 6 on, at wheel hub left end cap 61, between the centre bore of wheel hub right end cap 62 and the axis 1 seal is set respectively, at wheel hub left end cap 61, between wheel hub right end cap 62 and the wheel hub shell 6 seal is set respectively, pairing the wheel on hub shell 6 or the wheel hub right end cap 62 of speed change gear notes are set, jettison gear 19 (lubricating cup or screw, the hole), in motor 4 and the circuit pilot centre bore from the axis 1 or the axle on the wheel hub left end cap 61 (fixedly connected with axis 1 and wheel hub left end cap 61 by bearings on it, and be provided with the pilot fairlead) draw in the hole, in pilot and its fairlead, seal is set.
Above-mentioned circuit control device 3 is arranged on the inside of wheel hub shell 6, heat abstractor is set on circuit control device 3 and motor 4 housings are combined closely, guarantee the heat radiation of control device, also circuit control device 3 can be arranged on the independent supporting use in outside of wheel hub shell 6, can reduce the volume of motor drive transmission like this, can obtain good heat radiation again and be convenient to safeguarding.
The inside and signal sensor 2 that above-mentioned signal sensor 2 and its signal transducer 21 are arranged on wheel hub shell 6 are fixed on circuit control device 3 or the motor end cap 41 (or motor stator support), signal transducer 21 by screw retained on wheel hub left end cap 61 or wheel hub shell 6 or motor rotor 5, also can be fixed on signal sensor 2 on the follower support B 8 (planet carrier), signal transducer 21 is fixed on wheel hub right end cap 62 or wheel hub shell 6 or the follower B 9 (planetary gear), can also be arranged on the outside of taking turns hub shell 6 to signal sensor 2 and its signal transducer 21, both signal sensor 2 be provided with separately be fixed on that signal transducers 21 on wheel hub left end cap 61 or the wheel hub shell 6 are used or signal transducer 21 be arranged on electric bicycle before, on hind axle or wheel or the foot-operated sprocket wheel, utilize electric bicycle before, the velocity of rotation signal of trailing wheel or foot-operated sprocket wheel through circuit control device 3 control motors 4 clockwise or rotate counterclockwise, can also adopt handle switch 22 signals, the frequency number of times that had both adopted handle switch 22 to go to dominant bit from zero-bit is realized speed changing function as motor 4 control signal set points clockwise or that rotate counterclockwise, and handle switch 22 is not when zero-bit (reaches maximum position) and rotates between dominant bit, and its circuit control device 3 remains reset condition work.For example, setting handle switch 22 goes to dominant bit from zero-bit and once returns and rotate handle switch 22 after zero-bit was paused 1 second and turn over zero-bit moment as motor 4 commutation memory control signals (also can according to actual needs and be convenient to design alternative commutation memory control signal); Can also adopt the control signal of centrifugal switch 23 or hand switch 24, when both centrifugal switch 23 reaches when setting torque signals action or the action of hand switch 24 manpowers and is switched on or switched off control signal is transferred to circuit control device 3 and controls motor 4 clockwise or rotate counterclockwise, and centrifugal switch 23 can be installed on the wheel hub on (the inside or outside) or the motor rotor 5, also can be installed on the front and rear wheel or foot-operated sprocket wheel of electric bicycle; Hand switch 24 can be installed on arbitrary position that manpower is convenient to operate.The above-mentioned signal sensor 2 and the effect of its signal transducer 21 are when the travel speed of electric bicycle reaches set point, its signal sensor 2 and its signal transducer 21 are transferred to the rotation direction that circuit control device 3 is controlled motor 4 to the control signal that collects, thereby realize the shifted function of speed change gear (epicyclic train), because clutch A12 is identical with the engagement in rotation direction of clutch B 10, wheel hub shell 6 is remained in the same way rotate.Its collection was speed, position signalling when above-mentioned signal sensor 2 and its signal transducer 21 adopted electromagnetic sensor or photoelectric sensor, and its collection is the composite signal of moment induction and speed when adopting torque sensor.
In above-mentioned motor drive transmission, described speed change gear is planetary gear speed-changing, harmonic gear speed change or the cycloid gear speed change of 1-10 level, promptly, when speed change gear adopted the transmission of 1-10 level, clutch A 12 and clutch B 10 can be arranged on wherein the arbitrary grade of drive and realize shifted function; Described planet circular system both can adopt the mechanical wheel speed change, also can adopt the magnet pulley speed change, and when adopting the magnet pulley speed change, its driving wheel, follower and gear ring all adopt magnetic material and take effective magnetic field shielding and the no frictional drive of active force realization.
In above-mentioned motor drive transmission, described motor 4 is electro-motor, fuel oil motor, air motor or hydraulic motor; Described motor 4 be 1. external-rotor-type be the inner chamber the inside that stator is enclosed within motor rotor, 2. the single rotor of disc type or birotor are an axial side or the centre that stator is installed in motor rotor, 3. inner-rotor-type to be that stator is enclosed within the motor rotor outside one kind of.Can select the motor form according to concrete operating position.
Extremely shown in Figure 9 as Fig. 5: in above-mentioned motor drive transmission, described clutch A 12 is provided with maintenance between gear ring A 15 and wheel hub shell 6 inner chambers, described speed change gear adopts 1 planet circular system at least, and planet circular system has 1 follower A 16 or follower B 9 at least, and its follower A 16 or follower B 9 can adopt trapezoidal gear drive simultaneously or adopt single gear simultaneously and trapezoidal gear drive when described planet circular system was the planetary gear transmission.At this moment, follower B 9 adopts trapezoidal gear drive, its clutch B10 be arranged between the first order gear of trapezoidal gear and the second level gear and clutch B 10 identical with clutch A 12 engagement in rotation directions.When motor 4 commutations are rotated, make full use of the planetary carrier and the gear ring reverse drive characteristic of planet circular system, need not directive wheel and just can realize that the output of motor drive transmission keeps rotating in the same way.
As shown in figure 10: in above-mentioned motor drive transmission, described motor drive transmission maintenance is on axis 1, can also maintenance on two semiaxis and two semiaxis be connected with follower support B 8 with motor end cap 41 respectively, consistent with the above-mentioned effect of motor drive transmission maintenance on axis 1.
In above-mentioned motor drive transmission, between the excircle of motor 4 shells and wheel hub shell 6 inner chambers, seal 13 is set, taking turns between hub shell 6 and wheel hub left end cap 61, wheel hub right end cap 62 and the axis 1 and all be provided with seal in the pilot hole, make speed change gear and motor inner chamber and external isolation, prevent that lubricating oil (fat) and water etc. from sneaking into, increase the service life; And pairing wheel of speed change gear notes, jettison gear 19 (lubricating cup or screw, hole) are set on hub shell 6 or the wheel hub right end cap 62, its speed change gear can obtain good maintenance.
During use, gear ring A 15 and follower support B 8 (planet carrier) maintain static, and follower support A 14 (planet carrier) and gear ring B 11 rotate.When motor rotor 5 must electricly rotate by contrary clockwise direction drive driving wheel A 51 together, because it is motionless that gear ring A 15 is fixed on the shell of motor 4, follower A 16 (planetary gear) drives follower support A 14 (planet carrier) under the effect of driving wheel A 51 and driving wheel B 5 rotates counterclockwise, at this moment, clutch A 12 throws off, clutch B 10 engagement self-lockings, follower B 9 (planetary gear) drives gear ring B 11 driven wheel hub shells 6 and moves in the direction of the clock under the effect of driving wheel B 5, speed change gear is realized two-stage large torque low speed transmission (its gearratio and speed can freely be set according to actual conditions), starts at electric bicycle, climbing, power and energy saving when load-carrying or low cruise; When the travel speed of electric bicycle reaches set point, be installed on the motor end cap (or circuit control device 3) signal sensor 2 be installed in signal transducer 21 relative motions on the wheel hub left end cap 61 and detect and the corresponding position sensor signal of speed setting value (or moment, switching signal), and be transferred to circuit control device 3, circuit control device 3 action control motor rotors 5 drive driving wheel A 51 in the direction of the clock and rotate together, follower support A 14 (planet carrier) moves in the direction of the clock under the effect of follower A 16 (planetary gear), at this moment, clutch B 10 throws off, gear ring B 11 is separated with wheel hub shell 6, clutch A 12 engagement self-lockings, driven wheel hub shell 6 keeps clockwise direction to rotate under the effect of follower support A 14 (planet carriers), speed change gear switches to the single-stage high-speed transmission by the transmission of two-stage low speed, because clutch A 12 is identical with the engagement in rotation direction of clutch B 10, when motor drive transmission slides in outage, it is taken turns hub shell 6 and realizes the undamped rotation, thereby realizes the fluid drive electricity-saving function of motor drive transmission.
Its advantage is: in light weight, simple in structure, fluid drive is energy-conservation, and applied range can be widely used in fields such as vehicle using motor, electric motor car, hybrid vehicle, fuel vehicle, washing machine, power utensil and dynamic power machine.
Embodiment 2: with the wheel hub of electric bicycle motor is that example is illustrated, and speed change gear adopts the single-stage planetary gear graduation.
As shown in figure 11: motor drive transmission adopts wheel hub output, can also adopt mid-axle output form.Its clutch A 12 is provided with maintenance between shaft joint 18 and wheel hub shell 6 inner chambers when described speed change gear adopts 1 planet circular system, described shaft joint 18 is rotated on driving wheel A 51 and together by the jump ring maintenance, and shaft joint 18 can also adopt teeth groove or pin key to be connected maintenance with driving wheel A 51; If remove the sealed baffle (adopting other sealing means) between the motor 4 and speed change gear in the wheel hub, so, clutch A 12 can directly be provided with maintenance between the rotation axis and wheel hub shell 6 inner chambers of motor rotor 5, and one-level planetary system gear driven wheel hub shell 6 under the effect of clutch B 10 is realized slowly running; When the travel speed of electric bicycle reached set point, motor rotor 5 kept high speed rotating in the same way by clutch A 12 direct driven wheel hub shells 6, realized the fluid drive electricity-saving function of motor drive transmission.Its operation principle and using method and advantage are identical with embodiment 1.
Embodiment 3: with the mid-motor of electric bicycle is that example is illustrated, and speed change gear adopts the two-stage planet speed change.
As shown in figure 12: described motor drive transmission is mid-axle output type, its motor 4 direct retentions are on wheel hub shell 6 inner chambers, the wheel hub shell maintains static for 6 this moments, wheel hub left end cap 61 is connected by key pin 25 maintenances with an end of axis 1, output shaft 20 outputting powers by gear ring B 11, gear ring B 11 is integral with output shaft 20 or split is fixed into one by screw or key pin, and wheel hub right end cap 62 by bearings on the output shaft 20 of gear ring B 11, the output shaft 20 of gear ring B 11 on the axis concentric with it 1, is provided with seal by bearings between axis 1 and output shaft 20.Its operation principle and using method and advantage are identical with embodiment 1.
In addition, as shown in figure 13: motor drive transmission adopts mid-axle output, and the foot-operated axis 54 of manpower is set on motor drive transmission, its motor 4 direct retentions are on wheel hub shell 6 inner chambers, the wheel hub shell maintains static for 6 this moments, wheel hub left end cap 61 is connected by key pin 25 maintenances with an end of axis 1, wheel hub right end cap 62 by bearings on the output shaft 20 of gear ring B 11, axis 1 adopts hollow shaft at this moment, foot-operated axis 54 is set in its axle center and under bearings, can freely rotates clockwise or counterclockwise, and can fix foot-operated crank and pedal (not shown) at the two ends of foot-operated axis 54, on output shaft 20, be provided with and drive the fluted disc (not shown), between foot-operated axis 54 and output shaft 20, pedal clutch device 53 and seal are set, between foot-operated axis 54 and wheel hub left end cap 61, seal is set, when rotating, effectively separates with foot-operated axis 54 motor drive transmission by pedal clutch device 53, when motor drive transmission stops operating when riding by manpower is foot-operated, foot-operated axis 54 drives output shaft 20 by pedal clutch device 53 and fluted disc rotates, and the electric bicycle manpower is foot-operated to advance; Can also the torque sensor (not shown) be set driving on the fluted disc, its manpower is foot-operated can be adopted the position signalling sensing device 2 that is arranged in the motor drive transmission to offer circuit control device 3 with the differentiation of motor drive signal to cooperate CD-ROM drive motor 4 rotations with torque sensor; If motor drive transmission is installed in the axis five-way place of electric bicycle, can also adopt this moment the frame five-through pipe to replace taking turns hub shell 6 the wherein use of packing into such as motor 2 and speed change gear, can reduce cost and obtain good heat radiation like this.
In the present embodiment, motor drive transmission adopts mid-axle output, speed change gear is connected outputting power by shaft joint with output shaft 20, its shaft joint and output shaft 20 can make integral type and use, and, motor drive transmission can also link together or be integral common driving load and use with other drive system, thereby reaches the energy-conservation purpose of fluid drive.The operation principle of its motor drive transmission and using method and advantage are identical with embodiment 1.
Embodiment 4: be that example is illustrated with the motor's for washing machine, speed change gear adopts the two-stage planet speed change.
As Figure 14, shown in Figure 15: described speed change gear and motor 4 disalignments and be arranged in parallel, the output gear axle of motor rotor 5 is connected rotation with driving wheel A 51 by excessive wheel 55.When the washing machine washing clothes, make motor drive transmission select the running of low-speed big energy saver mode by manual or program setting, when needs centrifuge dripping clothing, make motor rotor 5 backwards rotation by manual or program setting equally, the driving gearchange runs up, thereby realizes motor drive transmission variable speed energy conservation function.In the present embodiment, motor drive transmission both can adopt mid-axle output, also can adopt wheel hub output, when adopting mid-export structure, speed change gear is connected outputting power by shaft joint with output shaft 20, and its shaft joint and output shaft 20 can make integral type and use; And the output gear axle of motor rotor 5 can use belt pulley or sprocket wheel with corresponding driving wheel A 51, and this moment, excessively wheel 55 can replace using with belt or chain.Its operation principle and using method and advantage are identical with embodiment 1.
The utility model is not limited to above-mentioned embodiment; so long as speed change gear adopts planetary carrier and the gear ring reverse drive characteristic and the clutch engagement of planet circular system; the kind of drive and speed ratio at motor conversion planet circular system counterclockwise or when clockwise rotating; simultaneous wheels hub shell or mid-output shaft can keep rotating in the same way outputting power; and can also cooperate the common load that drives with other drive system; to obtain the motor drive transmission of low-speed big and high-speed and high-efficiency running, all be considered as belonging to protection range of the present utility model.In a word, protection range of the present utility model should comprise those conspicuous to those skilled in the art conversion or substitute and change shape.

Claims (10)

1. motor drive transmission, it comprises by motor (4), axis (1), the motor drive transmission that wheel hub shell (6) and planet circular system constitute, go up the coaxial motor rotor (5) that is equipped with at axis (1), driving wheel A (51) and speed change gear and respectively by bearings on axis (1), motor end cap (41) is fixed on the stator casing of motor (4) and is fixed on axis (1) by key pin (17) and jump ring by screw goes up motionless, wheel hub left end cap (61) is fixed on the wheel hub shell (6) by screw by bearings respectively with wheel hub right end cap (62), it is characterized in that: clutch A (12) and clutch B (10) are set respectively in speed change gear, clutch A (12) is provided with maintenance between follower support A (14) and wheel hub shell (6) inner chamber, clutch B (10) is provided with maintenance between gear ring B (11) and wheel hub shell (6) inner chamber or maintenance is set between follower support B (8) and axis (1), described clutch A (12) is identical with clutch B (10) engagement in rotation direction, follower support A (14) and driving wheel B (52) are integral, at least maintenance is provided with 1 follower A (16) and follower support A (14) is rotated at axis (1) by bearings on follower support A (14), on the follower support B (8) at least maintenance 1 follower B (9) is set and follower support B (8) is fixed on the axis (1) by key pin (7), gear ring A (15) by dowel fixes on the shell of motor (4), between the excircle of motor (4) shell and wheel hub shell (6) inner chamber, seal (13) is set, motor rotor (5) is integral with driving wheel A (51) or split is integral rotation by screw, in wheel hub shell (6) inner chamber, circuit control device (3) is set and is fixed on the motor end cap (41), the signal sensor (2) and its signal transducer (21) that control motor (4) rotation direction are set in the inside or the outside of wheel hub shell (6), and signal sensor (2) maintenance is on circuit control device (3) or motor end cap (41) or axis (1), signal transducer (21) by screw retained on wheel hub left end cap (61) or wheel hub shell (6), in wheel hub left end cap (61), between the centre bore of wheel hub right end cap (62) and the axis (1) seal is set respectively, in wheel hub left end cap (61), between wheel hub right end cap (62) and the wheel hub shell (6) seal is set respectively, pairing the wheel on hub shell (6) or the wheel hub right end cap (62) of speed change gear notes are set, jettison gear (19), draw in motor (4) and the circuit pilot centre bore from axis (1) or the axis hole on the wheel hub left end cap (61), in pilot and its fairlead, seal is set.
2. motor drive transmission according to claim 1 is characterized in that: described speed change gear is planetary gear speed-changing, harmonic gear speed change or the cycloid gear speed change of 1-10 level; Described planet circular system both can adopt the mechanical wheel speed change, also can adopt the magnet pulley speed change.
3. motor drive transmission according to claim 1 and 2, it is characterized in that: described speed change gear adopts 1 planet circular system at least, and have 1 follower A (16) or follower B (9) in the planet circular system at least, its follower A (16) or follower B (9) can adopt trapezoidal gear drive simultaneously or adopt single gear simultaneously and trapezoidal gear drive when described planet circular system was the planetary gear transmission.
4. according to claim 1 or 2 or 3 described motor drive transmissions, it is characterized in that: its clutch A (12) was provided with maintenance between shaft joint (18) and wheel hub shell (6) inner chamber when described speed change gear adopted 1 planet circular system, and described shaft joint (18) is gone up and together rotated at driving wheel A (51) by the jump ring maintenance.
5. motor drive transmission according to claim 1, it is characterized in that: described clutch A (12) is provided with maintenance between follower support A (14) and wheel hub shell (6) inner chamber, can also be arranged between gear ring A (15) and wheel hub shell (6) inner chamber; Described clutch B (10) is provided with maintenance between gear ring B (11) and wheel hub shell (6) inner chamber or maintenance is set between follower support B (8) and axis (1), can also be arranged on the follower B (9); Described follower support A (14) and driving wheel B (52) are integral or split, and clutch B (10) is arranged between driving wheel B (52) and the follower support A (14) or on the follower B (9).
6. motor drive transmission according to claim 1 or 5, it is characterized in that: described clutch A (12) and clutch B (10) are Wedge-types, can also use ratchet mechanism, Geneva mechanism to replace using, described clutch A (12) and clutch B (10) can adopt same form or multi-form structure simultaneously.
7. motor drive transmission according to claim 1, it is characterized in that: described motor drive transmission be the wheel hub output type and can also be mid-axle output type, described motor drive transmission maintenance on axis (1), can also maintenance on two semiaxis and two semiaxis be connected with follower support B (8) with motor end cap (41) respectively; Its axis (1) can adopt hollow shaft and foot-operated axis (54) is set on axis (1) when described motor drive transmission was mid-output, between foot-operated axis (54) and output shaft (20) pedal clutch device (53) and seal was set.
8. motor drive transmission according to claim 1 is characterized in that: described motor (4) is electro-motor, fuel oil motor, air motor or hydraulic motor; Described motor (4) be 1. external-rotor-type be the inner chamber the inside that stator is enclosed within motor rotor, 2. the single rotor of disc type or birotor are an axial side or the centre that stator is installed in motor rotor, 3. inner-rotor-type to be that stator is enclosed within motor rotor outside one kind of.
9. motor drive transmission according to claim 1, it is characterized in that: described circuit control device (3) is arranged on the inside of wheel hub shell (6), and can also be arranged on the outside of wheel hub shell (6) or use separately, described signal sensor (2) and its signal transducer (21) are arranged on the inside of wheel hub shell (6) or the outside is integral or split and use separately, described signal sensor (2) and its signal transducer (21) are electromagnetic sensors, torque sensor or photoelectric sensor can also adopt handle switch (22), the signal of centrifugal switch (23) or hand switch (24) is controlled motor (4) clockwise or rotate counterclockwise.
10. according to claim 1 or 7 described motor drive transmissions, it is characterized in that: described speed change gear and the coaxial or disalignment of motor (4), described speed change gear can also be arranged in parallel with motor (4) and the output gear axle of motor rotor (5) is connected rotation with driving wheel A (51) by excessive wheel (55).
CN2010201147975U 2010-01-21 2010-01-21 Motor-driven speed changing device Expired - Fee Related CN201667582U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101786424A (en) * 2010-01-21 2010-07-28 张宏艳 Motor drive transmission
CN102332778A (en) * 2011-08-21 2012-01-25 张晓舜 Through-shaft outer-rotor built-in motor
CN103253123A (en) * 2012-02-20 2013-08-21 宁波能威电机科技有限公司 Oil-immersed high-speed motor for electric vehicle
CN103499446A (en) * 2013-08-27 2014-01-08 广州飞机维修工程有限公司 Reliability analogue simulation test system of VBV fuel oil driving motor of civil aircraft at ultra-low rotating speed
CN103895797A (en) * 2014-04-04 2014-07-02 太仓市悦博电动科技有限公司 Auxiliary-power-bicycle speed change control device with rotating inner hub and control method
CN107559456A (en) * 2017-08-11 2018-01-09 武汉科技大学 Reaction type numeral reversal valve is driven in a kind of
CN108336852A (en) * 2018-02-08 2018-07-27 深圳市奈士迪技术研发有限公司 A kind of motor with automatic oiling and corrosion proof function for new-energy automobile
TWI711780B (en) * 2020-01-03 2020-12-01 中國大陸商珠海市鈞興機電有限公司 Harmonic drive system for pedal electric cycle

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101786424A (en) * 2010-01-21 2010-07-28 张宏艳 Motor drive transmission
CN102332778A (en) * 2011-08-21 2012-01-25 张晓舜 Through-shaft outer-rotor built-in motor
CN103253123A (en) * 2012-02-20 2013-08-21 宁波能威电机科技有限公司 Oil-immersed high-speed motor for electric vehicle
CN103253123B (en) * 2012-02-20 2016-03-09 宁波能威电机科技有限公司 A kind of electric vehicle oil immersed type high-speed electric expreess locomotive
CN103499446A (en) * 2013-08-27 2014-01-08 广州飞机维修工程有限公司 Reliability analogue simulation test system of VBV fuel oil driving motor of civil aircraft at ultra-low rotating speed
CN103499446B (en) * 2013-08-27 2015-11-25 广州飞机维修工程有限公司 Reliability analogue simulation test system under the ultralow rotating speed of a kind of civil aircraft VBV fuel oil CD-ROM drive motor
CN103895797A (en) * 2014-04-04 2014-07-02 太仓市悦博电动科技有限公司 Auxiliary-power-bicycle speed change control device with rotating inner hub and control method
CN103895797B (en) * 2014-04-04 2016-04-27 太仓市悦博电动科技有限公司 Interior flower-drum is revolving motive-force-assisted bicycle speed-change control device and control method
CN107559456A (en) * 2017-08-11 2018-01-09 武汉科技大学 Reaction type numeral reversal valve is driven in a kind of
CN108336852A (en) * 2018-02-08 2018-07-27 深圳市奈士迪技术研发有限公司 A kind of motor with automatic oiling and corrosion proof function for new-energy automobile
TWI711780B (en) * 2020-01-03 2020-12-01 中國大陸商珠海市鈞興機電有限公司 Harmonic drive system for pedal electric cycle

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