CN111439109A - Vehicle and driving system and vehicle driving wheel thereof - Google Patents
Vehicle and driving system and vehicle driving wheel thereof Download PDFInfo
- Publication number
- CN111439109A CN111439109A CN201910040216.3A CN201910040216A CN111439109A CN 111439109 A CN111439109 A CN 111439109A CN 201910040216 A CN201910040216 A CN 201910040216A CN 111439109 A CN111439109 A CN 111439109A
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- planetary gear
- wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
Abstract
The invention provides a vehicle, a driving system thereof and a vehicle driving wheel, wherein the vehicle comprises a frame and the driving system, the driving system comprises a vehicle driving wheel and a driving motor for driving the vehicle driving wheel to rotate, the vehicle driving wheel comprises a vehicle hub, an inner gear ring is integrally processed on the inner hole wall of the vehicle hub, a planet wheel, a planet carrier and a sun wheel which are matched with the inner gear ring are arranged in the inner hole of the vehicle hub, a connecting end which is in transmission connection with the driving motor is arranged on the sun wheel, and the inner gear ring, the planet wheel, the planet carrier and the sun wheel form a planetary gear train. The invention has the beneficial effects that: utilize planetary gear's structural advantage, realize great drive ratio and output torque to planetary gear sets up in wheel hub, make full use of the interior space of wheel hub, practiced thrift out the space outside the wheel hub, thereby solved because improve drive ratio and output torque and lead to the too big not enough problem of installation space that arouses of structure.
Description
Technical Field
The invention relates to a vehicle, a driving system thereof and a vehicle driving wheel.
Background
With the increasing shortage of global energy and the continuous deterioration of the environment, in order to save energy and reduce the exhaust emission of vehicles, many countries around the world are in vigorous research and development and popularization of electric vehicles at present, and the electric vehicles can save energy, reduce emission, improve the riding comfort of people and solve the problem of energy shortage.
The traditional passenger car adopting the fuel power mode adopts a central direct-drive mode, namely, the power of an engine is transmitted to an axle through a transmission and a transmission shaft and then transmitted to a tire through an axle speed reducer, a differential and a half shaft. For the traditional electric motor coach, the engine is only changed into the motor, and the transmission form of the power is not changed. In order to design a passenger car from the aspect of electromotion, the transmission form of the power needs to be optimized, and the problems are generally solved by two methods at present: the first is to adopt the wheel hub motor to drive, namely arrange the motor in the wheel directly, the advantage is that the space utilization is high, but the motor volume can't be large, waterproof, heat-dissipating have problems safely, the power of the wheel hub motor is difficult to support the load of the full member of passenger train at the same time; the second is that the motors are arranged at two ends of the bridge and fixed on the bridge, some of the motors are directly driven coaxially with the wheels, and some of the motors are indirectly driven through a speed reducer or a wheel-side speed reducer.
For example, the utility model discloses an electric automobile wheel reduction gear assembly structure that chinese utility model patent that grant bulletin number is CN207268289U, this assembly structure include the box, and input shaft, jackshaft and output shaft in the box distribute into the triangle-shaped structure, and the input shaft passes through the shaft coupling and establishes the wheel limit motor on electric automobile wheel next door and links to each other, and the output shaft passes through the external splines and links to each other with electric automobile wheel hub. When the electric automobile runs, the wheel-side motor operates to transmit the torque to the input shaft, the torque is transmitted to the output shaft after being decelerated through the whole torque from the input gear to the intermediate gear and then to the output gear, and finally the output shaft drives wheels of the electric automobile, so that the electric automobile runs. The existing three-shaft structure has the problems of large volume and mass and insufficient installation space if large speed ratio and large torque are realized.
Disclosure of Invention
The invention aims to provide a vehicle driving wheel, which aims to solve the problem of insufficient installation space caused by overlarge structure due to the improvement of transmission ratio and output torque in the prior art; it is also an object of the present invention to provide a drive system that is easy to arrange and install and a vehicle that is easy to manufacture and assemble.
In order to achieve the purpose, the driving wheel of the vehicle adopts the following technical scheme:
the vehicle driving wheel comprises a vehicle hub, an inner gear ring is integrally processed on the inner hole wall of the vehicle hub, a planet wheel, a planet carrier and a sun wheel which are matched with the inner gear ring are arranged in the inner hole of the vehicle hub, a connecting end used for being in transmission connection with a driving motor is arranged on the sun wheel, and the inner gear ring, the planet wheel, the planet carrier and the sun wheel form a planetary gear train.
The beneficial effect of above-mentioned vehicle drive wheel's technical scheme lies in: the inner gear ring, the planet gear, the planet carrier and the sun gear which are processed on the inner hole wall of the vehicle hub form a planetary gear train, so that the structural advantages of the planetary gear train can be utilized, the larger transmission ratio and the larger output torque can be realized, the planetary gear train is arranged in the hub, the space in the hub is fully utilized, the space outside the hub is saved, and the problem that the installation space is insufficient due to the fact that the structure is too large because the transmission ratio and the output torque are improved is solved. And the inner gear ring is directly processed on the inner hole wall of the vehicle hub, the inner hole wall of the vehicle hub is fully utilized, the inner gear ring does not need to be additionally arranged and fixed, the manufacturing and the assembly are convenient, and the integral structure is more compact.
Furthermore, in order to obtain larger transmission ratio and output torque, the planetary gear train has at least two stages, the number of the inner gear rings corresponds to the stage number of the planetary gear train one by one, the sun gear of the primary planetary gear train in the planetary gear train is used for being in transmission connection with the driving motor, the planet carrier of the previous stage planetary gear train and the sun gear of the next stage planetary gear train are coaxially fixed, and the planet carrier of the final stage planetary gear train is used for being fixedly connected with the frame.
Furthermore, in order to optimize the layout of the planetary gear train, each stage of planetary gear train is conveniently arranged, the planetary gear train has two stages, the primary planetary gear train is located on the axial outer side of the secondary planetary gear train, the sun gear of the primary planetary gear train is a primary sun gear, the sun gear of the secondary planetary gear train is a secondary sun gear, and a through hole for allowing a power output shaft of the driving motor to pass through or allowing a transmission shaft between the driving motor and the primary sun gear to pass through is formed in the secondary sun gear.
In order to achieve the purpose, the driving system adopts the following technical scheme:
the driving system comprises a vehicle driving wheel and a driving motor used for driving the vehicle driving wheel to rotate, the vehicle driving wheel comprises a vehicle wheel hub, an inner gear ring is integrally processed on the inner hole wall of the vehicle wheel hub, a planetary gear, a planetary carrier and a sun gear which are matched with the inner gear ring are arranged in the inner hole of the vehicle wheel hub, a connecting end in transmission connection with the driving motor is arranged on the sun gear, and the inner gear ring, the planetary gear, the planetary carrier and the sun gear form a planetary gear train.
The technical scheme of the driving system has the beneficial effects that: the inner gear ring and the planet gear, the planet carrier and the sun gear which are processed on the inner hole wall of the vehicle hub form a planetary gear train, so that the structural advantage of the planetary gear train can be utilized, the larger transmission ratio and the larger output torque are realized, the planetary gear train is arranged in the hub, the space in the hub is fully utilized, the space outside the hub is saved, the problem that the installation space is not enough due to the fact that the structure is too large because the transmission ratio and the output torque are improved is solved, and the arrangement and the installation of a driving system are facilitated. And the inner gear ring is directly processed on the inner hole wall of the vehicle hub, the inner hole wall of the vehicle hub is fully utilized, the inner gear ring does not need to be additionally arranged and fixed, the manufacturing and the assembly are convenient, and the integral structure is more compact.
Furthermore, in order to obtain larger transmission ratio and output torque, the planetary gear train has at least two stages, the number of the inner gear rings corresponds to the stage number of the planetary gear train one by one, sun gears of primary planetary gear trains in the planetary gear train are in transmission connection with a driving motor, a planet carrier of a previous stage of planetary gear train and a sun gear of a next stage of planetary gear train are coaxially fixed, and a planet carrier of a final stage planetary gear train is used for being fixedly connected with a frame.
Furthermore, in order to optimize the layout of the planetary gear train, each stage of planetary gear train is conveniently arranged, the planetary gear train has two stages, the primary planetary gear train is located on the axial outer side of the secondary planetary gear train, the sun gear of the primary planetary gear train is a primary sun gear, the sun gear of the secondary planetary gear train is a secondary sun gear, and a through hole for allowing a power output shaft of the driving motor to pass through or allowing a transmission shaft between the driving motor and the primary sun gear to pass through is formed in the secondary sun gear.
In order to achieve the purpose, the vehicle adopts the following technical scheme:
the vehicle comprises a frame and a driving system, wherein the driving system comprises a vehicle driving wheel and a driving motor used for driving the vehicle driving wheel to rotate, the vehicle driving wheel comprises a vehicle hub, an inner gear ring is integrally processed on the inner hole wall of the vehicle hub, a planet wheel, a planet carrier and a sun wheel matched with the inner gear ring are arranged in the inner hole of the vehicle hub, a connecting end in transmission connection with the driving motor is arranged on the sun wheel, and the inner gear ring, the planet wheel, the planet carrier and the sun wheel form a planetary gear train.
The beneficial effect of the technical scheme of the vehicle is that: the inner gear ring and the planet gear processed on the inner hole wall of the vehicle hub, the planet carrier and the sun gear form a planetary gear train, so that the structural advantage of the planetary gear train can be utilized, the larger transmission ratio and the output torque are realized, the planetary gear train is arranged in the hub, the space in the hub is fully utilized, the space outside the hub is saved, the problem that the installation space is not enough due to the fact that the structure is too large due to the fact that the transmission ratio and the output torque are improved is solved, the arrangement and the installation of a driving system are facilitated, and the manufacturing and the assembly of a vehicle are further facilitated. And the inner gear ring is directly processed on the inner hole wall of the vehicle hub, the inner hole wall of the vehicle hub is fully utilized, the inner gear ring does not need to be additionally arranged and fixed, the manufacturing and the assembly are convenient, and the integral structure is more compact.
Furthermore, in order to obtain larger transmission ratio and output torque, the planetary gear train has at least two stages, the number of the inner gear rings corresponds to the stage number of the planetary gear train one by one, sun gears of primary planetary gear trains in the planetary gear train are in transmission connection with a driving motor, planet carriers of previous stage planetary gear trains and sun gears of next stage planetary gear trains are coaxially fixed, and planet carriers of final stage planetary gear trains are fixedly connected with the frame.
Furthermore, in order to optimize the layout of the planetary gear train, each stage of planetary gear train is conveniently arranged, the planetary gear train has two stages, the primary planetary gear train is located on the axial outer side of the secondary planetary gear train, the sun gear of the primary planetary gear train is a primary sun gear, the sun gear of the secondary planetary gear train is a secondary sun gear, and a through hole for allowing a power output shaft of the driving motor to pass through or allowing a transmission shaft between the driving motor and the primary sun gear to pass through is formed in the secondary sun gear.
Furthermore, in order to conveniently and fixedly support the motor and the planetary gear train and ensure the supporting reliability, the vehicle further comprises a supporting arm fixedly connected with the frame, the driving motor is fixed on the inner side face of the supporting arm, and a planet carrier in the planetary gear train is fixed on the outer side face of the supporting arm.
Drawings
Fig. 1 is a partial structural schematic view of embodiment 1 of a vehicle in the invention;
fig. 2 is a partial structural schematic view of embodiment 2 of the vehicle in the invention.
In the figure: A. a primary planetary gear train; B. a secondary planetary gear train; 1. a tire; 2. a hub; 3. a primary annular gear; 4. a primary planet wheel; 5. a primary sun gear; 6. a primary planet carrier; 7. a secondary annular gear; 8. a secondary planet wheel; 9. a secondary sun gear; 10. a secondary planet carrier; 11. a drive shaft; 12. a drive motor; 13. a support arm; 14. a hub; 15. a primary annular gear; 16. a primary planet carrier; 17. a primary planet wheel; 18. a drive motor; 19. a primary sun gear; 20. a secondary planet carrier; 21. a secondary sun gear; 22. a secondary planet wheel; 23. and a secondary annular gear.
Detailed Description
A schematic view of a partial structure of embodiment 1 of a vehicle according to the present invention is shown in fig. 1, and includes a vehicle frame (not shown in the figure) and a driving system, the driving system includes a vehicle driving wheel and a driving motor 12 for driving the vehicle driving wheel to rotate, the vehicle driving wheel includes a wheel hub 2 and a tire 1 disposed outside the wheel hub 2, a speed reducing mechanism is disposed in the wheel hub 2, the speed reducing mechanism is a double planetary gear type speed reducing mechanism, that is, the speed reducing mechanism includes two planetary gear trains, that is, a primary planetary gear train (i.e., a primary planetary gear train a) and a secondary planetary gear train B, which are axially juxtaposed, the secondary planetary gear train B is axially inside the primary planetary gear train a, the driving motor 12 is axially inside the two planetary gear trains, an inner side of the "axially inside" in the present invention means that a, the direction away from the vehicle is of course the outer side.
The primary planetary gear train a includes a primary sun gear (i.e., a primary sun gear 5) in transmission connection with a power output shaft of the driving motor 12, a transmission shaft 11 is connected between the primary sun gear 5 and the power output shaft of the driving motor 12 in this embodiment, and the driving motor 12 drives the primary sun gear 5 to rotate through the transmission shaft 11. The primary planet gear 4, the primary planet carrier 6 and the primary inner gear ring 3 are matched with the primary sun gear 5, wherein the primary inner gear ring 3 is directly and integrally processed on the inner hole wall of the hub 2. When the primary sun gear 5 rotates, the primary planet gear 4 rotates along with the primary sun gear 5, and the primary planet gear 4 rotates and revolves simultaneously, so the primary planet carrier 6 rotates, meanwhile, as the wheel hub 2 rotates when the vehicle runs, namely, the primary annular gear 3 rotates, for the primary planetary gear train a, the primary sun gear 5, the primary planet gear 4, the primary planet carrier 6 and the primary annular gear 3 rotate, and none of the components is a braking element, so the primary planetary gear train a is equivalent to a neutral gear mechanism without power output according to the working principle knowledge of the planetary gear mechanism.
The second-stage planetary gear train B comprises a second-stage sun gear 9 in transmission connection with the first-stage planet carrier 6, and a transmission shaft 11 passes through the second-stage sun gear 9 and then is connected with the first-stage sun gear 5, so that a through hole for the transmission shaft 11 to pass through is formed in the second-stage sun gear 9, namely, the transmission shaft 11 and the second-stage sun gear 9 are in relative rotation.
The secondary planet gear 8, the secondary planet carrier 10 and the secondary inner gear ring 7 are arranged in a matched manner with the secondary sun gear 9, wherein the secondary inner gear ring 7 is also directly and integrally processed on the inner hole wall of the hub 2, and the primary inner gear ring 3 and the secondary inner gear ring 7 are both directly and integrally processed on the inner hole wall of the hub 2, so that the inner hole wall of the hub 2 is fully utilized, the additional arrangement and fixation of the inner gear rings are not needed, the manufacturing and the assembly are convenient, and the integral structure is more compact.
The support arm 13 is fixedly connected to a frame of the vehicle, the support arm 13 is located on the inner side of the secondary planetary gear train B in the axial direction, and the secondary planet carrier 10 is fixed on the outer side face of the support arm 13, so that the secondary planet carrier 10 is fixed and does not rotate, for the secondary planetary gear train B, the secondary planet carrier 10 is a braking element, according to the working principle of a planetary gear mechanism, when the secondary sun gear 9 rotates along with the primary planet carrier 6, the secondary sun gear 9 is a power input element, the secondary planet gear 8 only performs autorotation, at this time, the secondary inner gear ring 7 is a power output element, and the secondary inner gear ring 7 drives the hub. Because the two-stage planetary gear train is arranged in the hub 2, the space in the hub 2 is fully utilized, the space outside the hub 2 is saved, and the two-stage planetary gear train can output larger transmission ratio and output torque, so that the problem of insufficient installation space caused by overlarge structure due to the fact that the transmission ratio and the output torque are improved in the prior art is solved, the arrangement and installation of a driving system are facilitated, and the manufacturing and assembly of a vehicle are further facilitated.
For the convenience of connection, a planet carrier connecting structure fixedly connected with the secondary planet carrier 10 is arranged on the axial outer side surface of the supporting arm 13, specifically, the planet carrier connecting structure is a fixing hole for a bolt to pass through, of course, the supporting arm 13 and the secondary planet carrier 10 can also be welded and fixed, and at this time, the planet carrier connecting structure is a welding plane arranged on the supporting arm 13. Be provided with the fixed motor connection structure who links to each other with driving motor 12 on the axial medial surface of support arm 13, it is specific, this motor connection structure is the fixed orifices that supplies the bolt to pass, of course also can be welded fastening between support arm 13 and driving motor 12, and motor connection structure is the welding plane of setting on support arm 13 this moment. Like this, second grade planet carrier 10 is connected to the axial lateral surface of support arm 13, and driving motor 12 is connected to the axial medial surface, and the structure is very compact, has made things convenient for second grade planet carrier 10 and driving motor 12's installation fixed to reduction gears and driving motor 12 are located the both sides of support arm 13, avoid all fixing the not high problem of support reliability that leads to when supporting arm 13 one side.
The working principle of the driving system is as follows: when the vehicle runs, a power output shaft of a driving motor 12 drives a primary sun gear 5 to rotate through a transmission shaft 11, a primary planet gear 4 rotates along with the primary planet gear 4, and the primary planet gear 4 rotates in an autorotation and revolution mode simultaneously, so that a primary planet carrier 6 rotates, a primary inner gear ring 3 also rotates due to the rotation of a hub 2, no braking element is arranged in a primary planet gear train A, the primary planet carrier A is a neutral gear mechanism without power output and has the function of bearing a primary speed reduction function, and the secondary sun gear 9 is driven to rotate through the rotation of the primary planet carrier 6, so that a secondary planet gear 8 and a secondary inner gear ring 7 are driven to rotate, and finally the hub. In fact, the hub 2, the primary inner gear ring 3, the primary planet gear 4, the primary planet carrier 6, the secondary sun gear 9, the secondary planet gear 8 and the secondary inner gear ring 7 form a closed loop, the secondary inner gear ring 7 enables the rotating speed output by the hub 2 to be fed back to the primary inner gear ring 3, and then the rotating speed is fed back to the secondary planetary gear train B through the primary planet gear 4 and the primary planet carrier 6, so that a dynamic self-adjusting process is realized.
Fig. 2 shows a partial schematic structural diagram of an embodiment 2 of the vehicle according to the present invention, the primary planetary gear train in this embodiment also includes a primary sun gear 19, a primary planet gear 17, a primary planet carrier 16, and a primary ring gear 15, the secondary planetary gear train also includes a secondary sun gear 21, a secondary planet gear 22, a secondary planet carrier 20, and a secondary ring gear 23, the primary ring gear 15 and the secondary ring gear 23 are also directly and integrally formed on the inner hole wall of the hub 14, the primary planet carrier 16 and the secondary sun gear 21 are also linked, the secondary planet carrier 20 is also fixed, the primary sun gear 19 and the power output shaft of the driving motor 18 are also in transmission connection, which is different from embodiment 1 in that the primary planetary gear train is located axially inside the secondary planetary gear train, that is, the primary planetary gear train is located between the secondary planetary gear train and the driving motor 18, the power output shaft of the drive motor 18 is directly in transmission connection with the primary sun gear 19, and since the secondary planet carrier 20 is located axially outside the hub 14, it is necessary to fix the secondary planet carrier 20 to the frame over a relatively large distance, or to other stationary parts of the frame.
In other embodiments of the vehicle of the invention: the secondary planet carrier and the driving motor can also be directly fixed on the frame; the planetary gear train can also have three stages, or can also be provided with four stages or five stages according to the width of the wheel; the planetary gear system can also have only one stage, and the planet carrier of the stage is used as a braking element.
An embodiment of the drive system of the present invention is shown in fig. 1 or fig. 2, and the drive system is the same as the drive system described in the above vehicle embodiment, and is not described again here.
An embodiment of the vehicle drive wheel of the present invention is shown in fig. 1 or fig. 2, and the vehicle drive wheel is the same as the vehicle drive wheel described in the above-described embodiment of the vehicle, and will not be described again.
Claims (10)
1. A vehicle drive wheel comprising a vehicle hub, characterized in that: an inner gear ring is integrally processed on the inner hole wall of the vehicle hub, a planet wheel, a planet carrier and a sun wheel which are matched with the inner gear ring are arranged in the inner hole of the vehicle hub, a connecting end used for being in transmission connection with a driving motor is arranged on the sun wheel, and the inner gear ring, the planet wheel, the planet carrier and the sun wheel form a planetary gear train.
2. The vehicle drive wheel according to claim 1, characterized in that: the planetary gear train has at least two stages, the number of the inner gear rings corresponds to the stage number of the planetary gear train one by one, a sun gear of a primary planetary gear train in the planetary gear train is used for being in transmission connection with a driving motor, a planet carrier of a previous stage planetary gear train and a sun gear of a next stage planetary gear train are coaxially fixed, and a planet carrier of a last stage planetary gear train is used for being fixedly connected with a frame.
3. The vehicle drive wheel according to claim 2, characterized in that: the planetary gear system has two stages, the primary planetary gear system is located at the axial outside of the secondary planetary gear system, the sun gear of the primary planetary gear system is the primary sun gear, the sun gear of the secondary planetary gear system is the secondary sun gear, and the secondary sun gear is provided with a through hole for the power output shaft of the driving motor to pass through or for the transmission shaft between the driving motor and the primary sun gear to pass through.
4. A drive system comprising a vehicle drive wheel and a drive motor for driving rotation of the vehicle drive wheel, the vehicle drive wheel including a vehicle hub, characterized by: an inner gear ring is integrally processed on the inner hole wall of the vehicle hub, a planet wheel, a planet carrier and a sun wheel which are matched with the inner gear ring are arranged in the inner hole of the vehicle hub, a connecting end which is in transmission connection with a driving motor is arranged on the sun wheel, and the inner gear ring, the planet wheel, the planet carrier and the sun wheel form a planetary gear train.
5. The drive system of claim 4, wherein: the planetary gear train has at least two stages, the number of the inner gear rings corresponds to the stage number of the planetary gear train one by one, a sun gear of a primary planetary gear train in the planetary gear train is in transmission connection with a driving motor, a planet carrier of a previous stage planetary gear train and a sun gear of a next stage planetary gear train are coaxially fixed, and a planet carrier of a last stage planetary gear train is used for being fixedly connected with a frame.
6. The drive system of claim 5, wherein: the planetary gear system has two stages, the primary planetary gear system is located at the axial outside of the secondary planetary gear system, the sun gear of the primary planetary gear system is the primary sun gear, the sun gear of the secondary planetary gear system is the secondary sun gear, and the secondary sun gear is provided with a through hole for the power output shaft of the driving motor to pass through or for the transmission shaft between the driving motor and the primary sun gear to pass through.
7. A vehicle, includes frame and actuating system, and actuating system includes vehicle drive wheel and is used for driving the rotatory driving motor of vehicle drive wheel, and the vehicle drive wheel includes vehicle wheel hub, its characterized in that: an inner gear ring is integrally processed on the inner hole wall of the vehicle hub, a planet wheel, a planet carrier and a sun wheel which are matched with the inner gear ring are arranged in the inner hole of the vehicle hub, a connecting end which is in transmission connection with a driving motor is arranged on the sun wheel, and the inner gear ring, the planet wheel, the planet carrier and the sun wheel form a planetary gear train.
8. The vehicle according to claim 7, characterized in that: the planetary gear train has at least two stages, the number of the inner gear rings corresponds to the stage number of the planetary gear train one by one, a sun gear of a primary planetary gear train in the planetary gear train is in transmission connection with a driving motor, a planet carrier of a previous stage planetary gear train and a sun gear of a next stage planetary gear train are coaxially fixed, and a planet carrier of a last stage planetary gear train is fixedly connected with the frame.
9. The vehicle according to claim 8, characterized in that: the planetary gear system has two stages, the primary planetary gear system is located at the axial outside of the secondary planetary gear system, the sun gear of the primary planetary gear system is the primary sun gear, the sun gear of the secondary planetary gear system is the secondary sun gear, and the secondary sun gear is provided with a through hole for the power output shaft of the driving motor to pass through or for the transmission shaft between the driving motor and the primary sun gear to pass through.
10. The vehicle according to any one of claims 7 to 9, characterized in that: the vehicle also comprises a supporting arm fixedly connected with the frame, the driving motor is fixed on the inner side surface of the supporting arm, and a planet carrier in the planetary gear train is fixed on the outer side surface of the supporting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040216.3A CN111439109A (en) | 2019-01-16 | 2019-01-16 | Vehicle and driving system and vehicle driving wheel thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040216.3A CN111439109A (en) | 2019-01-16 | 2019-01-16 | Vehicle and driving system and vehicle driving wheel thereof |
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| CN111439109A true CN111439109A (en) | 2020-07-24 |
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| CN201910040216.3A Pending CN111439109A (en) | 2019-01-16 | 2019-01-16 | Vehicle and driving system and vehicle driving wheel thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889386A (en) * | 2022-05-11 | 2022-08-12 | 东风德纳车桥有限公司 | Height-adjustable independent suspension and chassis system |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10014131A1 (en) * | 2000-03-22 | 2001-09-27 | Zahnradfabrik Friedrichshafen | Drive for vehicle wheel e.g. low-platform busses etc. has drive motor to drive reduction gear pinion, meshing with ring gear for max. distance between motor and wheel axle |
| CN201494301U (en) * | 2009-08-14 | 2010-06-02 | 台州市黄岩华阳机电科技有限公司 | Hub power take-off device of electric vehicle |
| US20120161497A1 (en) * | 2011-12-30 | 2012-06-28 | Jing He | Wheel hub flywheel-motor kinetic hybrid system and method |
| CN203186074U (en) * | 2012-12-26 | 2013-09-11 | 北京智行鸿远汽车技术有限公司 | Wheel motor drive axle for electric vehicle |
| CN203186075U (en) * | 2012-12-26 | 2013-09-11 | 北京智行鸿远汽车技术有限公司 | Wheel motor drive axle for electric vehicle |
| KR20130133462A (en) * | 2012-05-29 | 2013-12-09 | 인하대학교 산학협력단 | In-wheel motor by using planetary gear |
| CN203739622U (en) * | 2014-03-13 | 2014-07-30 | 成都孔辉汽车科技有限公司 | One-way planetary reduction wheel hub motor driving device for battery electric vehicle |
| CN104827896A (en) * | 2014-02-12 | 2015-08-12 | F·波尔希名誉工学博士公司 | Electric portal axle for electrically driving a motor vehicle |
| CN106864251A (en) * | 2017-02-14 | 2017-06-20 | 北京理工大学 | Wheel motor drive device |
| CN107128162A (en) * | 2017-06-28 | 2017-09-05 | 吉林大学 | A kind of heavy-duty vehicle Electric Motor Wheel assembly apparatus and automobile |
| CN108638838A (en) * | 2018-05-10 | 2018-10-12 | 北京长城华冠汽车科技股份有限公司 | Electric drive hub system and vehicle with the electric drive hub system |
| CN109109650A (en) * | 2018-09-28 | 2019-01-01 | 武汉轻工大学 | The wheel rim drive device and automobile of anti-muddy water |
-
2019
- 2019-01-16 CN CN201910040216.3A patent/CN111439109A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10014131A1 (en) * | 2000-03-22 | 2001-09-27 | Zahnradfabrik Friedrichshafen | Drive for vehicle wheel e.g. low-platform busses etc. has drive motor to drive reduction gear pinion, meshing with ring gear for max. distance between motor and wheel axle |
| CN201494301U (en) * | 2009-08-14 | 2010-06-02 | 台州市黄岩华阳机电科技有限公司 | Hub power take-off device of electric vehicle |
| US20120161497A1 (en) * | 2011-12-30 | 2012-06-28 | Jing He | Wheel hub flywheel-motor kinetic hybrid system and method |
| KR20130133462A (en) * | 2012-05-29 | 2013-12-09 | 인하대학교 산학협력단 | In-wheel motor by using planetary gear |
| CN203186074U (en) * | 2012-12-26 | 2013-09-11 | 北京智行鸿远汽车技术有限公司 | Wheel motor drive axle for electric vehicle |
| CN203186075U (en) * | 2012-12-26 | 2013-09-11 | 北京智行鸿远汽车技术有限公司 | Wheel motor drive axle for electric vehicle |
| CN104827896A (en) * | 2014-02-12 | 2015-08-12 | F·波尔希名誉工学博士公司 | Electric portal axle for electrically driving a motor vehicle |
| CN203739622U (en) * | 2014-03-13 | 2014-07-30 | 成都孔辉汽车科技有限公司 | One-way planetary reduction wheel hub motor driving device for battery electric vehicle |
| CN106864251A (en) * | 2017-02-14 | 2017-06-20 | 北京理工大学 | Wheel motor drive device |
| CN107128162A (en) * | 2017-06-28 | 2017-09-05 | 吉林大学 | A kind of heavy-duty vehicle Electric Motor Wheel assembly apparatus and automobile |
| CN108638838A (en) * | 2018-05-10 | 2018-10-12 | 北京长城华冠汽车科技股份有限公司 | Electric drive hub system and vehicle with the electric drive hub system |
| CN109109650A (en) * | 2018-09-28 | 2019-01-01 | 武汉轻工大学 | The wheel rim drive device and automobile of anti-muddy water |
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