CN106641130A - Planetary two-gear driving device and two-gear driving method thereof - Google Patents

Planetary two-gear driving device and two-gear driving method thereof Download PDF

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Publication number
CN106641130A
CN106641130A CN201710088346.5A CN201710088346A CN106641130A CN 106641130 A CN106641130 A CN 106641130A CN 201710088346 A CN201710088346 A CN 201710088346A CN 106641130 A CN106641130 A CN 106641130A
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CN
China
Prior art keywords
gear
way clutch
planetary
planet carrier
output
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Granted
Application number
CN201710088346.5A
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Chinese (zh)
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CN106641130B (en
Inventor
郭克亚
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Guangdong Xinfang Technology Co ltd
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Individual
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/46—Gearings having only two central gears, connected by orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three engaging means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Retarders (AREA)

Abstract

The invention discloses a planetary two-gear driving device. The planetary two-gear driving device comprises a support, a motor, a planetary gear train, a first one-way clutch and a second one-way clutch; planetary gears are rotationally installed on a planet carrier, and an annular gear and a sun gear are meshed with the planetary gears respectively; the sun gear is fixedly connected with a rotor, the planet carrier is connected with the sun gear through the first one-way clutch, the annular gear is connected with the support through the second one-way clutch, the support is fixed, a stator is fixedly installed on the support, the sun gear serves as an input element, the annular gear serves as an output element, and the planet carrier serves as a control element; mechanical energy is generated through forward/backward rotation of the motor to do work, and therefore two-gear drive output is achieved. The planetary two-gear driving device is simple in structure and large in transmission ratio and improves loading capacity of vehicles, and the energy-saving effect is obvious. The planetary two-gear driving device can be used in the fields of electric bicycles, electric motors and electric scooters.

Description

A kind of planetary two grades of driving means and its two grades of driving methods
Technical field
The present invention relates to Planetary Gear Transmission and technical field of motors, and in particular to a kind of planetary two grades of driving means.
Background technology
It is well known that planet circular system is a kind of advanced gear drive, the ring gear, the sun in general planet circular system Three independent actuated elements of gear and planet carrier, respectively as by control element, input element and output element, its main spy Point is compact conformation, large carrying capacity, and transmission power and transmission range is big, running noises are little, efficiency high and the advantages of life-span length, It is widely used in all kinds of mechanical transmission fields.When but driving force will be realized being changed between different elements, it is necessary to multiple Realizing, its complicated controlling organization is only applied in the automatic transmission of fuel-engined vehicle for the combination of clutch and brake, And cannot apply in increasingly extensive electric vehicle.
In existing automatic gearbox, relatively common combined type planetary gears has Simpson and La Wei Nai Erhe (Ravigneax) formula planetary gears.Simpson planetary gears is mainly characterized by by two rows of planetary teeth Wheel mechanism shares sun gear and constitutes, and La Weinaierhe (Ravigneax) formula planetary gears is mainly characterized by by having Two sun gears, two rows of planetary gears share a gear ring and constitute.In order to meet vehicle traveling demand, it is necessary to will be from engine Driving force by the various combination of multiple clutches, brake and one-way clutch, constitute multi gear speed change gear.Due to the skill The driving force of art needs multiple clutches switchings, and its internal structure and control method are extremely complex, and volume and weight are larger etc., lead Its range of application is caused to be very restricted.
In the last few years, the pure electric vehicle of new forms of energy had been put into a large amount of manpower and financial resources inside and outside the sector, was developed more The product of superior performance, its transmission device is relatively simple compact.It is especially unidirectional in electric bicycle, battery-operated motor cycle etc. The electric vehicle field of driving, because the planetary gear mechanism that the technical field is adopted at present is relatively simple, its biography Dynamic less than scope, so higher to the performance requirement of motor, electric vehicle motor in starting must provide for foot Enough big driving forces, and vehicle motor when running at high speed must provide for sufficiently high rotating speed, cause motor big Most time works under more inefficient, and energy-saving effect is not good.
In sum, the best fit transmission between motor and epicyclic train how is realized, it is necessary to further exploitation A kind of performance is more superior, the less expensive transmission new technology of cost.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of planetary two grades of driving means, rotated forward using rotor and The alternating acting of reversion, then be automatically performed the switching of drive path in planet circular system to realize two by two one-way clutch Shelves output function.
The present invention for the technical scheme that adopted of solution above-mentioned technical problem for：
A kind of planetary two grades of driving means, including single including support, motor, planet circular system, the first one-way clutch and second To clutch, the motor includes rotor and stator, and the planet circular system includes ring gear, central gear, planet carrier and multiple Planetary gear.
Multiple planetary gears are evenly distributed and are rotatably arranged on the planet carrier around the axis of the planet carrier On, the ring gear, the central gear and the planet carrier are with same axis setting, the ring gear and the central gear Engage with the planetary gear respectively；
Any one element in two elements of the central gear and the ring gear is made as input element, another element For output element, the planet carrier is used as control element；The input element is an entirety or fixed company with the rotor Connect, by the between any two element in the input element, three elements of the output element and the control element One one-way clutch is engaged, and the control element is engaged by the second one-way clutch with the support, and the stator fixes peace Dress on the bracket, fixed by the support, and the rotor produces mechanical energy acting as former driving force；When the input unit When part is driven clockwise, in state is surmounted, the second one-way clutch is in the lock state simultaneously the first one-way clutch And prevent the control element rotationally clockwise, speed change between the output element counter clockwise direction and the input element Transmission；When the input element is counterclockwise driven, the second one-way clutch is in and surmounts state, the first one-way clutch Device is in the lock state, Synchronous Transmission between the output element counter clockwise direction and the input element.
Described planetary two grades of driving means, wherein the central gear as the input element and with described turn , an entirety or to be fixedly connected, any one element in two elements of the ring gear and the planet carrier is by for son One one-way clutch is engaged with the central gear, the planet carrier as control element and by the second one-way clutch with The direction that surmounts of the support engagement, the first one-way clutch and the second one-way clutch is arranged in the opposite direction, the support Fixed, the stator is fixedly mounted on the bracket, and the ring gear is used as the output element；When the input element When being driven clockwise, the first one-way clutch in surmounting state, the second one-way clutch be in the lock state and Prevent the control element rotationally clockwise, the output element counterclockwise slowly runs；When the input element When counterclockwise being driven, the second one-way clutch is in state is surmounted, and the first one-way clutch is in the lock state, described Input element, the control element and the output element counter clockwise direction synchronous axial system；To realize two grades of drivings.
Described planetary two grades of driving means, wherein the first one-way clutch and the second one-way clutch are respectively by actively The velocity variations or the conversion of direction of rotation of part and secondary part, the device with voluntarily clutch function；The active part Inner ring is set to, the secondary part is set to outer shroud；Or the active part is set to the outer shroud, the secondary part is set to institute State inner ring.
Described planetary two grades of driving means, wherein the rotor is arranged on the outside of the stator and by bearing Rotatable to install on the bracket, the inner ring of the first one-way clutch is fixedly connected with the rotor, the first one-way clutch The outer shroud of device is fixedly connected with the planet carrier, and the inner ring of the second one-way clutch is fixedly connected with the support, and second is unidirectional The outer shroud of clutch is fixedly connected with the planet carrier, and the first one-way clutch and the second one-way clutch surmount direction with phase Opposite direction is arranged.
Described planetary two grades of driving means, wherein the central gear as the input element and with described turn Son is for an entirety or is fixedly connected, and the first one-way clutch is passed through between two elements of the ring gear and the planet carrier Engagement, the planet carrier is engaged as control element and by the second one-way clutch with the support, the first one-way clutch Device and the second one-way clutch surmount direction with equidirectional setting, and the ring gear is used as the output element.
Described planetary two grades of driving means, wherein the ring gear as the input element and with the rotor For an entirety or it is fixedly connected, any one element in two elements of the central gear and the planet carrier is by the One one-way clutch is engaged with the ring gear, and the planet carrier is as the control element and by the second one-way clutch Engage with the support, the direction that surmounts of the first one-way clutch and the second one-way clutch is arranged in the opposite direction, described Frame is fixed, and the stator is fixedly mounted on the bracket, and the central gear is used as the output element；When the input When element is driven clockwise, in state is surmounted, the second one-way clutch is in the lock state the first one-way clutch And prevent the control element rotationally clockwise, the output element counter clockwise direction high-speed rotation；When the input When element counterclockwise drives, in state is surmounted, the first one-way clutch is in the lock state the second one-way clutch, institute State input element, the control element and the output element counter clockwise direction synchronous axial system；To realize two grades of drivings.
Described planetary two grades of driving means, wherein the ring gear as the input element and with the rotor For an entirety or it is fixedly connected, the first one-way clutch is passed through between two elements of the central gear and the planet carrier Engagement, the planet carrier is engaged as control element and by the second one-way clutch with the support, the first one-way clutch Device and the second one-way clutch surmount direction with equidirectional setting, and the central gear is used as output element.
Described planetary two grades of driving means, wherein permanent magnet is set on the rotor in the motor, it is described fixed The armature winding is set on son, and the rotor produces mechanical energy acting.
Described planetary two grades of driving means, wherein the armature winding is set on the rotor in the motor, Permanent magnet is set on the stator, and the rotor produces mechanical energy acting.
Described planetary two grades of driving means, wherein the motor is set to driving wheel, the driving wheel is used as described defeated Enter element.Or the motor is set to drive shaft, the drive shaft is used as the input element.
Described planetary two grades of driving means, wherein the first one-way clutch is set to first clutch；Or first is single Unidirectional centrifugal clutch is set to clutch；Or second one-way clutch be set to second clutch；Or first it is unidirectional from Clutch is set to first clutch, and the second one-way clutch is set to second clutch.
Described planetary two grades of driving means, wherein first clutch is set to the first thorn wheel clutch.
Described planetary two grades of driving means, wherein second clutch is set to the second thorn wheel clutch.
Described planetary two grades of driving means, wherein also including in the planet circular system and the planetary gear quantity phase The second same planetary gear, the second planetary gear is an entirety with the planetary gear or is fixedly connected, the planet tooth Wheel and the second planetary gear are rotatably arranged on the planet carrier, two elements of the planetary gear and the second planetary gear In any one element engage with the ring gear wheel, another element is engaged with the central gear.
Described planetary two grades of driving means, axis average mark of the plurality of planetary gear around the planet carrier Cloth is simultaneously rotatably arranged on the planet carrier, with the second planetary gear of the planetary gear quantity identical also around the row The axis of carrier is evenly distributed and is rotatably arranged on the planet carrier, the ring gear and the second planetary gear respectively with The planetary gear engagement, the central gear is engaged with the second planetary gear；The central gear and the planet carrier two Any one element in element as the input element, another element as the output element, make by the ring gear For the control element；Or any one element in two elements of the ring gear and the planet carrier is used as the input , used as the output element, the central gear is used as the control element for element, another element.
Described planetary two grades of driving means, wherein the rotor is an entirety or fixation with the central gear Connection, any one element in two elements of the ring gear and the planet carrier by the first one-way clutch with it is described too Positive gear engagement, the ring gear is engaged as the control element and by the second one-way clutch with the support, the The direction that surmounts of one one-way clutch and the second one-way clutch is arranged in the opposite direction, and the support is fixed, the stator On the bracket, used as the input element, the planet carrier is used as the output element for the central gear for fixed installation； When the input element is driven clockwise, the first one-way clutch is in and surmounts state, at the second one-way clutch In lock-out state and prevent the control element rotationally clockwise, the output element counterclockwise slowly runs； When the input element is counterclockwise driven, the second one-way clutch is in and surmounts state, at the first one-way clutch In lock-out state, the input element, the control element and the output element counter clockwise direction synchronous axial system；To realize two Shelves drive.
Described planetary two grades of driving means, wherein also including secondary sun wheel, Duo Gesuo in the planet circular system State planetary gear to be evenly distributed around the axis of the planet carrier and be rotatably arranged on the planet carrier, with the planet tooth Wheel the second planetary gear of quantity identical is also evenly distributed and is rotatably arranged on the planet around the axis of the planet carrier On frame, secondary sun wheel is with the central gear with same axis setting, the ring gear, the central gear and the second row Star gear is engaged respectively with the planetary gear, and secondary sun wheel is engaged with the second planetary gear；The central gear and Any one element in two elements of central gear two is engaged by the first one-way clutch with the rotor, another element Engaged with the rotor by the second one-way clutch, the first one-way clutch and the second one-way clutch surmount direction with phase Opposite direction is arranged；Any one element in two elements of the ring gear and the planet carrier as the output element, separately One element is fixedly connected as the control element and with the support, and the rotor is used as the input element.
Described planetary two grades of driving means, wherein the ring gear is omitted, multiple planetary gears are around described The axis of planet carrier is evenly distributed and is rotatably arranged on the planet carrier, with the planetary gear quantity identical second Planetary gear is also evenly distributed around the axis of the planet carrier and is rotatably arranged on the planet carrier, secondary sun wheel Nibbled with the planetary gear respectively with same axis setting, the central gear and the second planetary gear with the central gear Close, secondary sun wheel is engaged with the second planetary gear；It is any in two elements of the central gear and secondary sun wheel , used as the input element, used as the output element, the planet carrier is used as the control unit for another element for one element Part；The rotor is an entirety with the input element or is fixedly connected, the input element, the output element and institute State and engaged by the first one-way clutch between any two element in three elements of control element, the control element passes through Second one-way clutch is engaged with the support, and the stator is fixedly mounted on the bracket.
Described planetary two grades of driving means, wherein the rotor is an entirety or fixation with the central gear Connection, any one element in two elements of the planet carrier and secondary sun wheel by the first one-way clutch with it is described Rotor is engaged, and the planet carrier is engaged as the control element and by the second one-way clutch with the support, described Support is fixed, and the stator is fixedly mounted on the bracket, and the central gear is used as the input element, second sun Gear is used as the output element.
Described planetary two grades of driving means, wherein the ring gear is omitted, the second planetary gear and the planet Gear is arranged with same axis and as an entirety or is fixedly connected, and the planetary gear and the second planetary gear can turn Dynamic the planet carrier is fixedly connected on the rotor on the planet carrier, the planetary gear and the sun Gear is engaged, and the second planetary gear is engaged with secondary sun wheel；The planet carrier is used as the input element, the second sun tooth Wheel and two elements of the central gear in any one element as the output element, another element as institute State control element；Any two element in the input element, three elements of the output element and the control element it Between by the first one-way clutch engage, the control element is engaged by the second one-way clutch with the support, described fixed Son fixed installation is on the bracket.
Described planetary two grades of driving means, wherein the second planetary gear is set with the planetary gear with same axis Put and two elements are an entirety or are fixedly connected that the planetary gear and the second planetary gear are rotatably installed On the planet carrier, the planet carrier is fixedly connected on the rotor, and the planetary gear is engaged with the central gear, Second planetary gear is engaged with secondary sun wheel；Any one in two elements of the central gear and secondary sun wheel Element is engaged by the first one-way clutch with the rotor, and the central gear is as the control element and by second One-way clutch is engaged with the support, and the direction that surmounts of the first one-way clutch and the second one-way clutch sets in the opposite direction Put, the support is fixed, the stator is fixedly mounted on the bracket, the planet carrier as the input element, the Two central gears are used as the output element.
Described planetary two grades of driving means, wherein the ring gear is omitted, the planet carrier is used as the input Element, used as the output element, the central gear is used as the control element for secondary sun wheel；Second planetary gear with Any one element in two elements of the planetary gear be rotatably arranged on the planet carrier and two elements it Between engaged by the second one-way clutch, the planet carrier is fixedly connected on the rotor, the planetary gear with it is described too Positive gear engagement, the second planetary gear is engaged with secondary sun wheel；The input element, the output element and the control By the engagement of the first one-way clutch, the control element and the stator between any two element in three elements of element Fixed installation is on the bracket.
Described planetary two grades of driving means, wherein also include with it is unidirectional with the planetary gear quantity identical second Clutch, is connect between planetary gear and the second planetary gear described in each group by the second one-way clutch of respective amount Close.
Described planetary two grades of driving means, wherein also including brake, the brake includes driven end element, consolidates Fixed end element and at least one braking member, the control element is connect by the second one-way clutch with the driven end element Close, the fixed end element and the support are an entirety or are fixedly connected, the driven end element and the fixing end Element is engaged or separated by the way that the braking member is selectable.Or second one-way clutch be omitted, the system Described driven end element in dynamic device and the control element be an entirety or be fixedly connected, the fixed end element and institute Support is stated for an entirety or is fixedly connected, the driven end element and the fixed end element can by the braking member What is selected engaging or being separated.
Described planetary two grades of driving means, wherein the brake is set as drum brake, or the braking Device is set as cam type brake, or the brake is set as disk brake, or the brake is set as determining pincers Pan brake, or the brake is set as disk brake with floating ealiper, or the brake is set as electromagnetic brake.
Described planetary two grades of driving means, wherein also include draw-gear and at least one back-moving spring, it is described from Moved end element is set to driven end gear, and the fixed end element is set to fixing end support, and the braking member is set to brake bars, institute State and be provided with brake bars at least one brake tooth, the fixing end support is an entirety or fixed company with the support Connect, one end of the brake bars and the fixing end bracket, the other end and the draw-gear pivot joint, by the reset Spring promotes the brake bars to rotate on the fixing end support makes the brake tooth engage realization with the driven end gear Braking function, driving the brake bars to rotate backward on the fixing end support by the draw-gear makes the brake tooth Separation function is realized with the driven end gear.
Described planetary two grades of driving means, wherein the fixing end support is an entirety or solid with the support Fixed connection, the brake bars is slidably mounted on the fixing end support and with the draw-gear and is connected, by institute Stating back-moving spring and promoting the brake bars to slide on the fixing end support makes the brake tooth nibble with the driven end gear Braking function is realized in conjunction, drives brake bars reverse slide on the fixing end support to make by the draw-gear described Brake tooth realizes separation function with the driven end gear.
Described planetary two grades of driving means, wherein the brake bars can also be set to brake ring gear, the braking Ring gear can only being arranged in axial sliding on the fixing end support and filling with the traction according to the driven end gear Put and be connected, promoting the braking ring gear to slide on the fixing end support by the back-moving spring makes in the braking Gear ring is engaged with the driven end gear and realizes braking function, and the braking ring gear is driven described by the draw-gear Reverse slide makes the braking ring gear realize separation function with the driven end gear on fixing end support.
Described planetary two grades of driving means, wherein the brake bars can also be set to spragging gear, the driven end Gear is set to driven end ring gear, the spragging gear can only be arranged in axial sliding on the fixing end support and with The draw-gear is connected, and promoting the spragging gear to slide on the fixing end support by the back-moving spring makes institute State spragging gear and engage with the driven end ring gear and realize braking function, the spragging gear is driven by the draw-gear Reverse slide makes the spragging gear realize separation function with the driven end ring gear on the fixing end support.
Described planetary two grades of driving means, wherein the draw-gear includes the second motor, screw rod and nut, it is described Fixing end support is an entirety with the support or is fixedly connected that the brake bars is slidably mounted at the fixing end On frame, the nut and the brake bars are an entirety or are fixedly connected, the screw rod engage with the nut and with The output shaft of the second motor is an entirety or is fixedly connected that the housing of the second motor is fixedly mounted on the fixing end Frame, the back-moving spring is arranged between the brake bars and the fixing end support, by rotating and reverse for the second motor Brake bars slide anteroposterior on the fixing end support is driven, makes the brake tooth engage realization with the driven end gear Braking and separation function.
Described planetary two grades of driving means, wherein also including wheel rim, the wheel rim is arranged on the output element. Or the support is set to central fixed shaft, the wheel rim is arranged on the output element and is rotatably arranged on described On central fixed shaft.
Described planetary two grades of driving means, wherein the motor is omitted, only included support, planet circular system, One one-way clutch and the second one-way clutch, the planet circular system includes the input element, the control element and described Output element, the input element is driven by motive power, and the output element is connected with outer member, the input element, institute State and engaged by the first one-way clutch between any two element in three elements of control element and the output element, institute State control element to engage with the support by the second one-way clutch, the support is fixed.
The first two grades of driving method concrete steps of the planetary two grades of driving means of the present invention include：
（1）When the input element does work clockwise, the output element is rotated in a counterclockwise direction as first grade Position output；
（2）When the input element does work counterclockwise, it is second that the output element is also rotated in a counterclockwise direction Gear is exported.
（3）When the input element is without acting, the output element can only be rotated freely counterclockwise.
Second two grades of driving method concrete steps of the planetary two grades of driving means of the present invention include：
1）When the input element does work clockwise, the output element is rotated in a counterclockwise direction as the first gear Output；
（2）When the input element does work counterclockwise, it is second that the output element is also rotated in a counterclockwise direction Gear is exported.
（3）When the input element is without acting, the output element can clockwise with counter clockwise direction certainly By rotating.
The third two grades of driving method concrete steps of the planetary two grades of driving means of the present invention include：
（1）When the brake is in on-position, when the rotor does work clockwise, the output element is with the inverse time Pin direction is rotated as the output of the first gear, and when the rotor does work counterclockwise, the output element is also with counterclockwise just To rotating as the output of the second gear, the rotor without when doing work, the output element can only rotate freely counterclockwise.
（2）When the brake is in released state, the output element can be with clockwise and counterclockwise Freely rotate.
The 4th kind of two grades of driving method concrete steps of the planetary two grades of driving means of the present invention include：
（1）When the brake is in on-position, when the rotor does work clockwise, the output element is with the inverse time Pin direction is rotated as the output of the first gear, the rotor without when doing work, the output element can only freely turn counterclockwise It is dynamic.
（2）When the brake is in released state, when the rotor does work counterclockwise, the output element Also in a counterclockwise direction rotate for the second gear output, the rotor without do work when, the output element can be in a clockwise direction Freely rotate with counter clockwise direction.
Beneficial effects of the present invention：The present invention is done work by the alternating that a rotor is rotated and reverse, then by two Individual one-way clutch is automatically performed the switching of drive path in planet circular system, to realize the output of two different drive ratios, can be with The gearratio and transmission efficiency of transmission mechanism are effectively improved, without the need for any external impetus executive component two grades of drives can be just realized It is dynamic.Present configuration is compact, small volume, light weight, and the load capacity of vehicle can be significantly increased, and energy-saving effect substantially, improves electricity Operating efficiency of machine etc..The present invention can be used for electric bicycle, battery-operated motor cycle, Segway Human Transporter etc., can be also used for various The fields such as the driving of electric vehicle, rope climbing device and unidirectional mechanical transmission.
Description of the drawings
The present invention includes drawings described below：
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the structural representation of the embodiment of the present invention two；
Fig. 3 is the structural representation of the embodiment of the present invention three；
Fig. 4 is the structural representation of the embodiment of the present invention four；
Fig. 5 is the structural representation of the embodiment of the present invention five；
Fig. 6 is the structural representation of the embodiment of the present invention six；
Fig. 7 is the structural representation of the embodiment of the present invention seven；
Fig. 8 is the structural representation of the embodiment of the present invention eight；
Fig. 9 is the structural representation of the embodiment of the present invention nine；
Figure 10 is the structural representation of the embodiment of the present invention ten；
Figure 11 is the structural representation of the embodiment of the present invention 11；
Figure 12 is the structural representation of the embodiment of the present invention 12；
Figure 13 is the structural representation of the embodiment of the present invention 13；
Figure 14 is the structural representation of the embodiment of the present invention 14；
Figure 15 is the structural representation of the embodiment of the present invention 15；
Figure 16 is the structural representation of the embodiment of the present invention 15.
Specific embodiment
The present invention is described in further detail below according to drawings and Examples:
As shown in figure 1, the planetary two grades of driving means of the present invention, including support 1, motor 100, planet circular system 200, first are unidirectional The one-way clutch 9 of clutch 8 and second, motor 100 includes rotor 3 and stator 2, and planet circular system 200 includes the ring gear 6, sun Gear 4, planet carrier 7 and multiple planetary gears 5；
Multiple planetary gears 5 are evenly distributed around the axis of planet carrier 7 and rotatably install in planet carrier 7, ring gear 6, too Positive gear 4 and planet carrier 7 are engaged respectively with same axis setting, ring gear 6 and central gear 4 with planetary gear 5；
Central gear 4 is an entirety or to be fixedly connected as the input element and with rotor 3, ring gear 6 and planet Any one element in 7 two elements of frame is engaged by the first one-way clutch 8 with central gear 4, and planet carrier 7 is used as control Element and engaged with support 1 by the second one-way clutch 9, the first one-way clutch 8 and the second one-way clutch 9 surmount Direction is arranged in the opposite direction, and support 1 is fixed, and stator 2 is fixedly mounted on support 1, and rotor 3 produces mechanical energy acting, interior Gear ring 6 is used as the output element；When the input element is driven clockwise, the first one-way clutch 8 is in super More state, the second one-way clutch 9 is in the lock state the prevention control element rotationally clockwise, the output element Counterclockwise slowly run；When the input element is counterclockwise driven, the second one-way clutch 9 is in and surmounts shape State, the first one-way clutch 8 is in the lock state, and the input element, the control element and the output element are counterclockwise Direction synchronous axial system；To realize two grades of drivings.
In a particular embodiment of the present invention, rotor 3 is arranged on the outside of stator 2 and is rotatably installed by bearing On support 1, the inner ring of the first one-way clutch 8 is fixedly connected with rotor 3, outer shroud and the planet carrier 7 of the first one-way clutch 8 It is fixedly connected, the inner ring of the second one-way clutch 9 is fixedly connected with support 1, outer shroud and the planet carrier 7 of the second one-way clutch 9 It is fixedly connected, the direction that surmounts of the first one-way clutch 8 and the second one-way clutch 9 is arranged in the opposite direction.
In a particular embodiment of the present invention, the outer shroud that can select the first one-way clutch 8 is fixedly connected with rotor 3, The inner ring of the first one-way clutch 8 is fixedly connected with planet carrier 7.
In a particular embodiment of the present invention, it is also an option that the outer shroud of the second one-way clutch 9 fixes company with support 1 Connect, the inner ring of the second one-way clutch 9 is fixedly connected with planet carrier 7, the first one-way clutch 8 and the second one-way clutch 9 Surmount direction to arrange in the opposite direction.
In a particular embodiment of the present invention, permanent magnet is set on the rotor 3 in motor 100, on stator 2 arrange armature around Group, rotor 3 produces mechanical energy acting.
In a particular embodiment of the present invention, it is also an option that the inner ring of the first one-way clutch 8 fixes company with rotor 3 Connect, the outer shroud of the first one-way clutch 8 is fixedly connected with ring gear 6, the inner ring of the second one-way clutch 9 is fixed with support 1 and connected Connect, the outer shroud of the second one-way clutch 9 is fixedly connected with planet carrier 7, the first one-way clutch 8 and the second one-way clutch 9 Surmount direction to arrange in the opposite direction.
In a particular embodiment of the present invention, it is also an option that the outer shroud of the first one-way clutch 8 fixes company with rotor 3 Connect, the inner ring of the first one-way clutch 8 is fixedly connected with ring gear 6, the outer shroud of the second one-way clutch 9 is fixed with support 1 and connected Connect, the inner ring of the second one-way clutch 9 is fixedly connected with planet carrier 7, the first one-way clutch 8 and the second one-way clutch 9 Surmount direction to arrange in the opposite direction.
In a particular embodiment of the present invention, can select to arrange the armature winding on the rotor 3 in motor 100, it is fixed Permanent magnet is set on son 2, and rotor 3 produces mechanical energy acting.
In a particular embodiment of the present invention, ring gear 6 can be selected as the input element and with rotor 3 be one Individual entirety is fixedly connected, and any one element in 7 two elements of central gear 4 and planet carrier passes through the first one-way clutch Device 8 is engaged with ring gear 6, and planet carrier 7 is engaged as the control element and by the second one-way clutch 9 with support 1, the The direction that surmounts of one one-way clutch 8 and the second one-way clutch 9 is arranged in the opposite direction, and support 1 is fixed, and stator 2 is fixed On support 1, rotor 3 produces mechanical energy acting, and central gear 4 is used as the output element；When the input element quilt When driving clockwise, in state is surmounted, the second one-way clutch 9 is in the lock state prevention to the first one-way clutch 8 The control element is rotated clockwise, the output element counter clockwise direction high-speed rotation；When the input element counterclockwise side When driving, in state is surmounted, the first one-way clutch 8 is in the lock state the second one-way clutch 9, the input unit Part, the control element and the output element counter clockwise direction synchronous axial system；To realize two grades of drivings.
In a particular embodiment of the present invention, it is also an option that ring gear 6 is as the input element and with rotor 3 One entirety is fixedly connected, and is engaged by the first one-way clutch 8 between 7 two elements of central gear 4 and planet carrier, OK Carrier 7 is engaged as control element and by the second one-way clutch 9 with support 1, and the first one-way clutch 8 and second is unidirectional Clutch 9 surmount direction with equidirectional setting, central gear 4 is used as the output element.
In a particular embodiment of the present invention, motor 100 can be selected to be set to driving wheel, the driving wheel is used as described defeated Enter element；Or motor 100 is set to drive shaft, the drive shaft is used as the input element.
In a particular embodiment of the present invention, the first one-way clutch 8 can be selected to be set to first clutch；Or first One-way clutch 8 is set to unidirectional centrifugal clutch；Or second one-way clutch 9 be set to second clutch；Or first is single First clutch is set to clutch 8, the second one-way clutch 9 is set to second clutch.
In a particular embodiment of the present invention, it is also an option that first clutch is set to the first thorn wheel clutch.
In a particular embodiment of the present invention, it is also an option that second clutch is set to the second thorn wheel clutch.
In a particular embodiment of the present invention, rotor 3 can be selected to engage with ring gear 6 by the first one-way clutch 8, The inner ring of the first one-way clutch 8 is fixedly connected with rotor 3, and the outer shroud of the first one-way clutch 8 is fixedly connected with ring gear 6.
In a particular embodiment of the present invention, it is also an option that central gear 4 as the input element and with rotor 3 For an entirety or it is fixedly connected, is engaged by the first one-way clutch 8 between 7 two elements of ring gear 6 and planet carrier, OK Carrier 7 is engaged as control element and by the second one-way clutch 9 with support 1, and the first one-way clutch 8 and second is unidirectional Clutch 9 surmount direction with equidirectional setting, ring gear 6 is used as the output element.
In a particular embodiment of the present invention, rotor 3 can be selected to be arranged on the inner side of stator 2 and can turn by bearing It is dynamic on support 1.
In a particular embodiment of the present invention, its two grades of driving method concrete steps realized includes：
（1）When the rotor 3 of motor 100 does work clockwise, the output element is rotated in a counterclockwise direction as first Gear is exported；
（2）When the rotor 3 of motor 100 does work counterclockwise, the output element is also rotated in a counterclockwise direction as the Two gears are exported.
（3）When the rotor 3 of motor 100 is without acting, the output element can only be rotated freely counterclockwise.
As shown in Fig. 2 the motor 100 in the present invention is omitted, support 1, planet circular system 200, first have been only included unidirectional The one-way clutch 9 of clutch 8 and second, planet circular system 200 includes the input element, the control element and output unit Part, the input element is driven by motive power, and the output element is connected with outer member, the input element, the control Engaged by the first one-way clutch 8 between any two element in three elements of element and the output element, the control Element processed is engaged by the second one-way clutch 9 with support 1, and support 1 is fixed.
In a particular embodiment of the present invention, any one element conduct in 6 two elements of central gear 4 and ring gear , used as the output element, planet carrier 7 is used as the control element, central gear 4 and row for the input element, another element Engaged by the first one-way clutch 8 between 7 two elements of carrier, it is single by second between 1 two elements of planet carrier 7 and support Engage to clutch 9, the first one-way clutch 8 and the second one-way clutch 9 surmount direction with equidirectional setting.
In a particular embodiment of the present invention, planet carrier 7 can be selected as the control element, central gear 4, internal tooth Engaged by the first one-way clutch 8 between two elements in circle 6 and 7 three elements of planet carrier,
As shown in figure 3, the planet circular system 200 in the present invention also includes and the second planetary gear of quantity identical 10 of planetary gear 5, Second planetary gear 10 is an entirety with planetary gear 5 or is fixedly connected that the planetary gear 10 of planetary gear 5 and second can turn Any one element and ring gear in dynamic installation planet carrier 7, in planetary gear 5 and second planetary gear, 10 two elements The engagement of wheel 6, another element are engaged with central gear 4.
As shown in figure 4, the multiple planetary gears 5 in the present invention are evenly distributed around the axis of planet carrier 7 and rotatably pacify It is mounted on planet carrier 7, is evenly distributed simultaneously with axis of 5 the second planetary gear of quantity identical of planetary gear 10 also around planet carrier 7 Rotatable to install in planet carrier 7, the planetary gear 10 of ring gear 6 and second is engaged respectively with planetary gear 5, central gear 4 Engage with the second planetary gear 10；Rotor 3 and central gear 4 be an entirety or be fixedly connected, ring gear 6 and planet carrier 7 Any one element in two elements is engaged by the first one-way clutch 8 with central gear 4, and ring gear 6 is used as the control Element processed and engaged with support 1 by the second one-way clutch 9, the first one-way clutch 8 and the second one-way clutch 9 it is super More direction is arranged in the opposite direction, and support 1 is fixed, and stator 2 is fixedly mounted on support 1, and central gear 4 is used as the input Element, planet carrier 7 is used as the output element；When the input element is driven clockwise, the first one-way clutch 8 In state is surmounted, the second one-way clutch 9 is in the lock state the prevention control element and rotates clockwise, the output unit Part counterclockwise slowly runs；When the input element is counterclockwise driven, the second one-way clutch 9 is in and surmounts State, the first one-way clutch 8 is in the lock state, the input element, the control element and the output element inverse time Pin direction synchronous axial system；To realize two grades of drivings.
As shown in figure 5, the planet circular system 200 in the present invention also includes secondary sun wheel 11, multiple planetary gears 5 detour The axis of carrier 7 is evenly distributed and rotatably installs in planet carrier 7, with quantity identical the second planet tooth of planetary gear 5 Wheel 10 is also evenly distributed around the axis of planet carrier 7 and rotatably installs in planet carrier 7, secondary sun wheel 11 and sun tooth Wheel 4 is engaged respectively with same axis setting, ring gear 6, the planetary gear 10 of central gear 4 and second with planetary gear 5, and second too Positive gear 11 is engaged with the second planetary gear 10；Any one unit in 11 two elements of central gear 4 and secondary sun wheel Part is engaged by the first one-way clutch 8 with rotor 3, another element is engaged by the second one-way clutch 9 with rotor 3, the The direction that surmounts of one one-way clutch 8 and the second one-way clutch 9 is arranged in the opposite direction；7 two units of ring gear 6 and planet carrier Any one element in part used as the output element, as the control element and with support 1 fix by another element Connection, rotor 3 is used as the input element.
As shown in fig. 6, the present invention can select ring gear 6 to be omitted, multiple planetary gears 5 are put down around the axis of planet carrier 7 It is distributed and rotatably installs in planet carrier 7, with the second planetary gear of quantity identical 10 of planetary gear 5 also around planet carrier 7 axis is evenly distributed and rotatably installs in planet carrier 7, and secondary sun wheel 11 is with central gear 5 with same axis Arrange, the planetary gear 10 of central gear 4 and second is engaged respectively with planetary gear 5, the planet tooth of secondary sun wheel 11 and second Wheel 10 is engaged；Rotor 3 is an entirety with central gear 4 or is fixedly connected, 11 two units of planet carrier 7 and secondary sun wheel Any one element in part is engaged by the first one-way clutch 8 with rotor 3, planet carrier 7 as the control element and Engaged with support 1 by the second one-way clutch 9, support 1 is fixed, stator 2 is fixedly mounted on support 1, central gear 4 is made For the input element, secondary sun wheel 11 is used as the output element.
As shown in fig. 7, the present invention is also an option that ring gear 6 is omitted, the second planetary gear 10 is with planetary gear 5 with phase It is coaxially set and for an entirety or is fixedly connected, the rotatable installation of 5 and second planetary gear of planetary gear 10 is expert at In carrier 7, planet carrier 7 is fixedly connected on rotor 3, and planetary gear 5 is engaged with central gear 4, the second planetary gear 10 and Two central gears 11 are engaged；Any one element in 11 two elements of central gear 4 and secondary sun wheel is single by first Engage with rotor 3 to clutch 8, central gear 4 is as the control element and by the second one-way clutch 9 and support 1 The direction that surmounts of engagement, the first one-way clutch 8 and the second one-way clutch 9 is arranged in the opposite direction, and support 1 is fixed, fixed Son 2 is fixedly mounted on support 1, and, used as the input element, secondary sun wheel 11 is used as the output element for planet carrier 7.
As shown in figure 8, planet carrier of the present invention 7 is used as the input element, secondary sun wheel 11 is used as the output unit Part, central gear 4 is used as the control element；Any one unit in second planetary gear 10 and 5 two elements of planetary gear Part is rotatably installed in planet carrier 7 and engaged by the second one-way clutch 9 between two elements, and planet carrier 7 is fixed It is connected on rotor 3, planetary gear 5 is engaged with central gear 4, the second planetary gear 10 is engaged with secondary sun wheel 11；Institute State and engaged by the first one-way clutch between input element and the output element, the control element and stator 2 fix peace It is mounted on support 1, support 1 is fixed, rotor 3 produces mechanical energy acting as former driving force.
In a particular embodiment of the present invention, also include and the second one-way clutch of quantity identical 9 of planetary gear 5, often Engaged by the second one-way clutch 9 of respective amount between one group of planetary gear 5 and the second planetary gear 10.
As shown in figure 9, present invention additionally comprises brake 300, brake 300 include driven end element, fixed end element and At least one braking member（Not shown in figure）, the control element is by the second one-way clutch 9 and the driven end element Engagement, the fixed end element and support 1 are for an entirety or are fixedly connected, the driven end element and the fixed end member Part is engaged or separated by the way that the braking member is selectable.
In a particular embodiment of the present invention, planet carrier 7 is used as the control element, the inner ring of the second one-way clutch 9 It is fixedly connected with the control element, the outer shroud of the second one-way clutch 9 is an entirety or solid with the driven end element Fixed connection（Not shown in figure）.
In a particular embodiment of the present invention, the outer shroud of the second one-way clutch 9 can be selected solid with the control element Fixed connection, the inner ring of the second one-way clutch 9 is an entirety with the driven end element or is fixedly connected.
In a particular embodiment of the present invention, brake 300 can be selected to be set as drum brake, or brake 300 are set as cam type brake, or brake 300 is set as disk brake, or brake 300 is set as determining pincers disk Brake, or brake 300 is set as disk brake with floating ealiper, or brake 300 is set as electromagnetic brake.
In a particular embodiment of the present invention, its two grades of driving method concrete steps realized includes：
（1）When brake 300 is in on-position, when the rotor 3 of motor 100 does work clockwise, the output element Rotate in a counterclockwise direction and exported for the first gear, when the rotor 3 of motor 100 does work counterclockwise, the output element Also rotate in a counterclockwise direction as the output of the second gear, the rotor 3 of motor 100 without when doing work, the output element can only be to inverse Clockwise is freely rotated.
（2）When brake 300 is in released state, the output element can be with clockwise and counterclockwise certainly By rotating.
As shown in Figure 10, the second one-way clutch 9 in the present invention is omitted, the described driven end member in brake 300 Part is an entirety with the control element or is fixedly connected that the fixed end element is an entirety or solid with support 1 Fixed connection, the driven end element and the fixed end element are engaged or separated by the way that the braking member is selectable （Not shown in figure）.
In a particular embodiment of the present invention, its two grades of driving method concrete steps realized includes：
（1）When brake 300 is in on-position, when the rotor 3 of motor 100 does work clockwise, the output element Rotate in a counterclockwise direction as the output of the first gear, the rotor 3 of motor 100 without when doing work, the output element can only be to the inverse time Pin direction freely rotates.
（2）When brake 300 is in released state, when the rotor 3 of motor 100 does work counterclockwise, described defeated Go out element also to rotate in a counterclockwise direction as the output of the second gear, the rotor 3 of motor 100 without when doing work, the output element can Freely rotate with counter clockwise direction in a clockwise direction.
Shown in Figure 11, the brake 300 in the present invention includes that driven end element 12, fixed end element 13 and at least one are made Dynamic element 14, is provided with least one brake tooth 14a on braking member 14, driven end element 12 is set to driven end teeth parts 12, braking member 14 is articulated in fixed end element 13, when axis of the braking member 14 around articulated section is rotated to a direction Brake tooth 14a is engaged with driven end teeth parts 12, and driven end teeth parts 12 are braked；When braking member 14 is around articulated section Axis to brake tooth 14a during another direction rotation is separated with driven end teeth parts 12, and driven end teeth parts 12 are in certainly By state.
In a particular embodiment of the present invention, brake tooth 14a, brake tooth 14b and brake tooth are provided with braking member 14 14c, brake tooth 14a, brake tooth 14b and brake tooth 14c when axis of the braking member 14 around articulated section is rotated to a direction Engage with driven end teeth parts 12 respectively, driven end teeth parts 12 are braked；When braking member 14 is around the axis of articulated section Brake tooth 14a, brake tooth 14b and brake tooth 14c are separated with driven end teeth parts 12 when rotating to another direction, driven End teeth parts 12 are in free state.
As shown in figure 12, the back-moving spring 15 of draw-gear 400 and at least one, driven end element 12 are also included in the present invention Driven end gear 12 is set to, fixed end element 13 is set to fixing end support 13, and braking member 14 is set to brake bars 14, brake bars 14 On be provided with brake tooth 14a, brake tooth 14b and brake tooth 14c；Fixing end support 13 is an entirety or fixation with support 1 Connection（Not shown in figure）, brake bars 14 is slidably mounted on fixing end support 13 and is connected with draw-gear 400, Promoting brake bars 14 to slide on fixing end support 13 by back-moving spring 15 makes brake tooth 14a, brake tooth 14b and brake tooth 14c is engaged with driven end gear 12 and is realized braking function, by the drive brake bars 14 of draw-gear 400 on fixing end support 13 Reverse slide makes brake tooth 14a, brake tooth 14b and brake tooth 14c and driven end gear 12 realize separation function.
In a particular embodiment of the present invention, brake bars 14 can only comply with the normal direction of moved end gear 12 and be slidably mounted on fixation On the support 13 of end.
In a particular embodiment of the present invention, brake bars 14 can be selected to be set to brake ring gear, the braking ring gear Being arranged in axial sliding on fixing end support 13 and with draw-gear 400 for moved end gear 12 can only be comply with to be connected, led to Crossing back-moving spring 15 and promoting the braking ring gear to slide on fixing end support 13 makes described to brake ring gear and driven end tooth Braking function is realized in the engagement of wheel 12, drives the braking ring gear reversely to slide on fixing end support 13 by draw-gear 400 It is dynamic to make the braking ring gear realize separation function with driven end gear 12.
In a particular embodiment of the present invention, brake bars 14 can be selected to be set to spragging gear, driven end gear 12 are set to driven end ring gear, the spragging gear can only be arranged in axial sliding on fixing end support 13 and with traction Device 400 is connected, and promoting the spragging gear to slide on fixing end support 13 by back-moving spring 17 makes the brake tooth Wheel is engaged with the driven end ring gear realizes braking function, and the spragging gear is driven in fixing end by draw-gear 400 Reverse slide makes the spragging gear realize separation function with the driven end ring gear on support 13.
As shown in figure 13, draw-gear 400 of the invention includes the second motor 18, screw rod 16 and nut 17, fixing end Support 13 is an entirety with support 1 or is fixedly connected（Not shown in figure）, brake bars 14 is slidably mounted at fixing end On frame 13, nut 17 is an entirety with brake bars 14 or is fixedly connected that screw rod 16 is engaged and electric with second with nut 17 The output shaft of machine 18 is an entirety or is fixedly connected that the housing of the second motor 18 is fixedly mounted on fixing end support 13, Back-moving spring 15 is arranged between brake bars 14 and fixing end support 13, and by the second motor 18 driving braking is rotated and reverse The slide anteroposterior on fixing end support 13 of bolt 14, nibbles brake tooth 14a, brake tooth 14b and brake tooth 14c and driven end gear 12 Close and realize braking and separation function.
In a particular embodiment of the present invention, brake bars 14 can only comply with the normal direction of moved end gear 12 and be slidably mounted on fixation On the support 13 of end.
In a particular embodiment of the present invention, back-moving spring 15 can be selected to be omitted.
As shown in figure 14, present invention additionally comprises wheel rim 19, wheel rim 19 is arranged on the output element.Or support 1 sets For central fixed shaft 1, wheel rim 19 is arranged on the output element and is rotatably arranged on central fixed shaft 1.
In a particular embodiment of the present invention, multiple planetary gears 5 are evenly distributed and rotatable around the axis of planet carrier 7 Install in planet carrier 7, ring gear 6, central gear 4 and planet carrier 7 are with 4 points of same axis setting, ring gear 6 and central gear Do not engage with planetary gear 5；Central gear 4 is an entirety or to be fixedly connected as the input element and with rotor 3, Used as the control element, the inner ring of the first one-way clutch 8 is fixedly connected planet carrier 7 with central gear 4, the first one-way clutch The outer shroud of device 8 is fixedly connected with planet carrier 7, the outer shroud of the second one-way clutch 9 is fixedly connected with planet carrier 7, second it is unidirectional from The interior ring support 1 of clutch 9 is fixedly connected, and support 1 is fixed, and stator 2 is fixedly mounted on support 1, and ring gear 6 is used as described defeated Go out element, wheel rim 19 is arranged on ring gear 6；Motor 100, planet circular system 200 and wheel rim 19 are axially arranged successively, and rotor 3 passes through Bearing is rotatably arranged on support 1, and the two ends of wheel rim 19 are rotatably arranged on support 1 and rotor 3 by bearing respectively On.
In a particular embodiment of the present invention, the first one-way clutch 8 is set to the unidirectional centrifugal clutch, its realization Two grades of driving method concrete steps include：
（1）When the rotor 3 of motor 100 does work clockwise, the output element is rotated in a counterclockwise direction as first Gear is exported；
（2）When the rotor 3 of motor 100 does work counterclockwise, the output element is also rotated in a counterclockwise direction as the Two gears are exported.
（3）When the rotor 3 of motor 100 is without acting, the output element can clockwise and counterclockwise Freely rotate.
As shown in figure 15, the first end cap 20, the second end cap 22 and middle coupling element 21, first end are also included in the present invention Lid 20, stator 2, rotor 3, the first one-way clutch 8, central gear 4, planet carrier 7, the second one-way clutch 9 and the second end cap 22 are arranged with same axis and are sequentially sleeved on support 1, and the first end cap 20 and the second end cap 22 can be turned respectively by bearing It is dynamic on support 1, stator 2 is fixedly mounted on support 1, and rotor 3 is arranged on the stator 2 and rotatable by bearing On support 1, the inner ring of the first one-way clutch 8 is fixedly connected with rotor 3, the outer shroud of the first one-way clutch 8 with Planet carrier 7 is fixedly connected, and rotor 3 is an entirety with central gear 4 or is fixedly connected that planet carrier 7 is rotatable by bearing On support 1, the outer shroud of the second one-way clutch 9 is fixedly connected with planet carrier 7, the inner ring of the second one-way clutch 9 It is fixedly connected with support 1, ring gear 6 is as the output element and is fixedly mounted on middle coupling element 21, wheel rim 19 With middle coupling element 21 is for an entirety or is fixedly connected, the first end cap 20, the second end cap 22 and middle coupling element 21 It is fixedly connected sequentially and motor 100 and planet circular system 200 is arranged in the inner space of its composition.
As shown in figure 16, stator 2 is set on rotor 3 in the present invention, and rotor 3 is rotatably arranged on support by bearing On 1, stator 2 is fixedly mounted on support 1, and planet circular system 200 is arranged in the inner space of the composition of rotor 3.
Those skilled in the art can have various deformation scheme to realize the present invention without departing from the essence and spirit of the present invention, Preferably feasible embodiment of the invention is the foregoing is only, not thereby limits to the interest field of the present invention, it is all with this The equivalent structure change that description of the invention and accompanying drawing content are made, is both contained within the interest field of the present invention.

Claims (10)

1. a kind of planetary two grades of driving means, it is characterised in that：Including support, motor, planet circular system, the first one-way clutch With the second one-way clutch, the motor includes rotor and stator, and the planet circular system includes ring gear, central gear, planet Frame and multiple planetary gears；Multiple planetary gears are evenly distributed and are rotatably arranged on institute around the axis of the planet carrier State on planet carrier, the ring gear, the central gear and the planet carrier are with same axis setting, the ring gear and described Central gear is engaged respectively with the planetary gear；Any one unit in two elements of the central gear and the ring gear , as input element, another element as output element, the planet carrier is used as control element for part；The input element and institute Rotor is stated for an entirety or is fixedly connected, the input element, three elements of the output element and the control element In any two element between engaged by the first one-way clutch, the control element is by the second one-way clutch and institute Support engagement is stated, the stator is fixedly mounted on the bracket, and the support is fixed, and the rotor is produced as former driving force Raw mechanical energy acting；When the input element is driven clockwise, the first one-way clutch is in and surmounts state, and second One-way clutch is in the lock state and prevents the control element rotationally clockwise, and the output element is square counterclockwise To gear between the input element；When the input element is counterclockwise driven, the second one-way clutch In state is surmounted, the first one-way clutch is in the lock state, and the output element is counterclockwise and the input element Between Synchronous Transmission.
2. planetary two grades of driving means according to claim 1, it is characterised in that：Also include in the planet circular system with The second planetary gear of the planetary gear quantity identical, the second planetary gear is an entirety or solid with the planetary gear Fixed connection, the planetary gear and the second planetary gear are rotatably arranged on the planet carrier, the planetary gear and the Any one element in two elements of planetary gear two is engaged with the ring gear wheel, another element and the central gear Engagement；Or multiple planetary gears are evenly distributed and are rotatably arranged on the planet carrier around the axis of the planet carrier On, also it is evenly distributed around the axis of the planet carrier with the second planetary gear of the planetary gear quantity identical and rotatable On the planet carrier, the ring gear and the second planetary gear are engaged respectively with the planetary gear, the sun tooth Wheel is engaged with the second planetary gear；Any one element in two elements of the central gear and the planet carrier is used as described , used as the output element, the ring gear is used as the control element for input element, another element；Or the ring gear With any one element in two elements of the planet carrier as the input element, another element as the output unit Part, the central gear is used as the control element.
3. planetary two grades of driving means according to claim 2, it is characterised in that：Also include the in the planet circular system Two central gears, multiple planetary gears are evenly distributed and are rotatably arranged on the planet around the axis of the planet carrier On frame, also it is evenly distributed around the axis of the planet carrier with the second planetary gear of the planetary gear quantity identical and rotatable On the planet carrier, secondary sun wheel and the central gear are the ring gear, described with same axis setting Central gear and the second planetary gear are engaged respectively with the planetary gear, and secondary sun wheel is engaged with the second planetary gear； Any one element in two elements of the central gear and secondary sun wheel passes through the first one-way clutch with described turn Son engagement, another element are engaged by the second one-way clutch with the rotor, the first one-way clutch and second unidirectionally from The direction that surmounts of clutch is arranged in the opposite direction；Any one element in two elements of the ring gear and the planet carrier is made For the output element, another element is fixedly connected as the control element and with the support, the rotor conduct The input element.
4. planetary two grades of driving means according to claim 3, it is characterised in that：The ring gear is omitted, multiple The planetary gear is evenly distributed around the axis of the planet carrier and is rotatably arranged on the planet carrier, with the planet The second planetary gear of gear quantity identical is also evenly distributed and is rotatably arranged on the row around the axis of the planet carrier In carrier, secondary sun wheel is with the central gear with same axis setting, the central gear and the second planetary gear point Do not engage with the planetary gear, secondary sun wheel is engaged with the second planetary gear；The central gear and the second sun tooth , used as the input element, another element is used as the output element, the row for any one element in two elements of wheel Carrier is used as the control element；The rotor is an entirety with the input element or is fixedly connected that the input is first Connect by the first one-way clutch between any two element in part, three elements of the output element and the control element Close, the control element is engaged by the second one-way clutch with the support, the stator is fixedly mounted on the bracket；
Or the ring gear is omitted, the second planetary gear is arranged and as one with the planetary gear with same axis Entirety is fixedly connected, and the planetary gear and the second planetary gear are rotatably arranged on the planet carrier, the row Carrier is an entirety with the rotor or is fixedly connected that the planetary gear is engaged with the central gear, the second planet Gear is engaged with secondary sun wheel；The planet carrier is used as the input element, secondary sun wheel and the central gear Any one element in two elements is as the output element, another element as the control element；The input Pass through the first one-way clutch between any two element in element, three elements of the output element and the control element Engagement, the control element is engaged by the second one-way clutch with the support, and the stator is fixedly mounted on the support On；
Or the ring gear is omitted, used as the input element, secondary sun wheel is used as the output for the planet carrier Element, the central gear is used as the control element；It is any in two elements of second planetary gear and the planetary gear One element is rotatably arranged on the planet carrier and between two elements of the second planetary gear and the planetary gear Engaged by the second one-way clutch, the planet carrier is fixedly connected on the rotor, the planetary gear and the sun Gear is engaged, and the second planetary gear is engaged with secondary sun wheel；The input element, the output element and control unit Engaged by the first one-way clutch between any two element in three elements of part, the control element and the stator are solid Dingan County fills on the bracket.
5. planetary two grades of driving means according to claim 1 or 2 or 3 or 4, it is characterised in that：Also include braking Device, the brake includes driven end element, fixed end element and at least one braking member, and the control element passes through second One-way clutch is engaged with the driven end element, and the fixed end element is an entirety or fixed company with the support Connect, the driven end element and the fixed end element are engaged or separated by the way that the braking member is selectable；
Or second one-way clutch be omitted, the described driven end element in the brake and the control element are one Entirety is fixedly connected, and the fixed end element is an entirety with the support or is fixedly connected, the driven end member Part and the fixed end element are engaged or separated by the way that the braking member is selectable.
6. planetary two grades of driving means according to claim 5, it is characterised in that：Also include draw-gear and at least Individual back-moving spring, the driven end element is set to driven end gear, and the fixed end element is set to fixing end support, the braking Element is set to brake bars, and at least one brake tooth is provided with the brake bars；The fixing end support is one with the support Individual entirety is fixedly connected, brake bars activity be arranged on the fixing end support and with the draw-gear pivot Connect, promote brake bars activity on the fixing end support to make the brake tooth driven with described by the back-moving spring Braking function is realized in the engagement of end tooth wheel, drives the brake bars reversely to move on the fixing end support by the draw-gear It is dynamic to make the brake tooth realize separation function with the driven end gear.
7. planetary two grades of driving means according to claim 1 or 2 or 3 or 4 or 6, it is characterised in that：First is single First clutch is set to clutch；Or first one-way clutch be set to unidirectional centrifugal clutch；Or second it is unidirectional from Clutch is set to second clutch；Or first one-way clutch be set to first clutch, the second one-way clutch be set to second from Clutch.
8. planetary two grades of driving means according to claim 1 or 2 or 3 or 4 or 6, it is characterised in that：The electricity Machine is omitted, and has only included support, planet circular system, the first one-way clutch and the second one-way clutch, the planet circular system bag The input element, the control element and the output element are included, the input element is driven by motive power, the output unit Part is connected with outer member, any two in the input element, three elements of the control element and the output element Engaged by the first one-way clutch between element, the control element is engaged by the second one-way clutch with the support, The support is fixed.
9. planetary two grades of driving means according to claim 1 or 2 or 3 or 4 or 6, it is characterised in that：Also include Wheel rim, the wheel rim is arranged on the output element；Or the support is set to central fixed shaft, the wheel rim is arranged on institute State on output element and be rotatably arranged on the central fixed shaft.
10. two grades of driving methods of planetary two grades of driving means according to claim 1, it is characterised in that include as Lower step：
（1）When the motor does work clockwise, the output element rotate in a counterclockwise direction for the first gear it is defeated Go out,
（2）When the motor does work counterclockwise, it is the second gear that the output element is also rotated in a counterclockwise direction Output,
（3）When the motor is without acting, the output element can only be rotated freely counterclockwise；
Or second two grades of driving method concrete steps of the planetary two grades of driving means of the present invention include：
（1）When the motor does work clockwise, the output element rotate in a counterclockwise direction for the first gear it is defeated Go out,
（2）When the motor does work counterclockwise, it is the second gear that the output element is also rotated in a counterclockwise direction Output,
（3）When the motor is without acting, the output element can be rotated freely clockwise with counter clockwise direction；
Or the third two grades of driving method concrete steps of the planetary two grades of driving means of the present invention include：
（1）When the brake is in on-position, when the motor does work clockwise, the output element is with the inverse time Pin direction is rotated as the output of the first gear, and when the motor does work counterclockwise, the output element is also with counterclockwise just To rotate for the second gear output, the motor without do work when, the output element can only freely rotate counterclockwise,
（2）When the brake is in released state, the output element can be with clockwise and counterclockwise freedom Rotate；
Or the 4th kind of two grades of driving method concrete steps of the planetary two grades of driving means of the present invention include：
（1）When the brake is in on-position, when the motor does work clockwise, the output element is with the inverse time Pin direction is rotated as the output of the first gear, the motor without when doing work, the output element can only freely turn counterclockwise It is dynamic,
（2）When the brake be in released state when, when the motor does work counterclockwise, the output element also with Rotate in an anti-clockwise direction be the second gear output, the motor without acting when, the output element can in a clockwise direction with it is inverse Clockwise is freely rotated.
CN201710088346.5A 2017-02-19 2017-02-19 Planetary two-gear driving device and two-gear driving method thereof Active CN106641130B (en)

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