CN209856314U - Vehicle driving wheel, driving system using same and vehicle - Google Patents

Vehicle driving wheel, driving system using same and vehicle Download PDF

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Publication number
CN209856314U
CN209856314U CN201920070025.7U CN201920070025U CN209856314U CN 209856314 U CN209856314 U CN 209856314U CN 201920070025 U CN201920070025 U CN 201920070025U CN 209856314 U CN209856314 U CN 209856314U
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China
Prior art keywords
planetary gear
vehicle
gear
sun gear
primary
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CN201920070025.7U
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Inventor
王彪
程晓伟
王印束
陈慧勇
吴胜涛
王富生
刘东方
牛绍和
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Yutong Bus Co Ltd
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Zhengzhou Yutong Bus Co Ltd
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Abstract

The utility model provides a vehicle drive wheel and use actuating system and vehicle of this drive wheel, the vehicle includes frame and actuating system, actuating system includes the vehicle drive wheel and is used for driving vehicle drive wheel pivoted driving motor, the vehicle drive wheel includes vehicle wheel hub, be provided with reduction gears in the vehicle wheel hub, reduction gears includes planetary gear, planetary gear includes the sun gear of being connected with the driving motor transmission and sets up at the outside planet wheel of sun gear, planet carrier and ring gear, ring gear and wheel hub hole fixed connection rotate with direct drive vehicle wheel hub. The beneficial effects of the utility model reside in that: the speed reducing mechanism utilizes the special structure of the planetary gear train, can realize larger transmission ratio and output torque, and the planetary gear train is arranged in the wheel hub, fully utilizes the space in the wheel hub, saves the space outside the wheel hub, and solves the problem of insufficient installation space caused by overlarge structure due to the improvement of the transmission ratio and the output torque.

Description

Vehicle driving wheel, driving system using same and vehicle
Technical Field
The utility model relates to a vehicle drive wheel and use actuating system and vehicle of this drive 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.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vehicle driving wheel 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 a further 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 above object, the utility model provides a vehicle driving wheel adopts following technical scheme:
the vehicle driving wheel comprises a vehicle hub, wherein a speed reducing mechanism is arranged in the vehicle hub, the speed reducing mechanism comprises a planetary gear train, the planetary gear train comprises a sun gear, a planet carrier and an inner gear ring, the sun gear is used for being in transmission connection with a driving motor, the planet carrier is matched with the sun gear, and the inner gear ring is fixedly connected with an inner hole of the hub to directly drive the vehicle hub to rotate.
The beneficial effect of above-mentioned vehicle drive wheel's technical scheme lies in: the speed reducing mechanism utilizes the special structure of the planetary gear train, can realize larger transmission ratio and output torque, and the planetary gear train is arranged in the hub, fully utilizes the space in the hub, saves the space outside the hub, and solves the problem of insufficient installation space caused by overlarge structure due to the improvement of the transmission ratio and the output torque.
Furthermore, in order to obtain larger transmission ratio and output torque, the planetary gear train has at least two stages, the inner gear rings of all stages of planetary gear trains are fixedly connected with the inner hole of the wheel hub, the sun gear of the primary planetary gear train is used for being in transmission connection with the driving motor, the planet carrier of the last stage of planetary gear train and the sun gear of the next stage of planetary gear train are coaxially fixed, and the planet carrier of the last stage of 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 above object, the driving system of the present invention adopts the following technical solutions:
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, a speed reducing mechanism is arranged in the vehicle hub, the speed reducing mechanism comprises a planetary gear train, the planetary gear train comprises a sun gear in transmission connection with the driving motor, a planetary gear, a planetary carrier and an inner gear ring, the planetary gear, the planetary carrier and the inner gear ring are matched with the sun gear, and the inner gear ring and an inner hole of the hub are fixedly connected so as to directly drive the.
The technical scheme of the driving system has the beneficial effects that: the reduction gears utilize the special structure of the planetary gear train, can realize larger transmission ratio and output torque, and the planetary gear train is arranged in the wheel hub, so that the space in the wheel hub is fully utilized, the space outside the wheel hub is saved, the problem of insufficient installation space caused by overlarge structure due to the fact that the transmission ratio and the output torque are improved is solved, and the arrangement and installation of the driving system are facilitated.
Furthermore, in order to obtain higher transmission ratio and output torque, the planetary gear train has at least two stages, the inner gear rings of all stages of planetary gear trains are fixedly connected with the inner hole of the wheel hub, the sun gear of the primary planetary gear train is in transmission connection with the driving motor, the planet carrier of the previous stage of planetary gear train and the sun gear of the next stage of planetary gear train are coaxially fixed, and the planet carrier of the final stage of 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 above object, the utility model discloses well vehicle adopts 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, a speed reducing mechanism is arranged in the vehicle hub and comprises a planetary gear train, the planetary gear train comprises a sun gear in transmission connection with the driving motor, a planetary gear, a planetary carrier and an inner gear ring, the planetary gear, the planetary carrier and the inner gear ring are matched with the sun gear, and the inner gear ring and an inner hole of the hub are fixedly connected so as.
The beneficial effect of the technical scheme of the vehicle is that: the speed reducing mechanism utilizes the special structure of the planetary gear train, can realize larger transmission ratio and output torque, and the planetary gear train is arranged in the wheel hub, fully utilizes the space in the wheel hub, saves the space outside the wheel hub, solves the problem of insufficient installation space caused by overlarge structure due to the improvement of the transmission ratio and the output torque, facilitates the arrangement and installation of a driving system, and further facilitates the manufacture and assembly of a vehicle.
Furthermore, in order to obtain larger transmission ratio and output torque, the planetary gear train has at least two stages, the inner gear rings of all stages of planetary gear trains are fixedly connected with the inner hole of the wheel hub, the sun gear of the primary planetary gear train is in transmission connection with the driving motor, the planet carrier of the previous stage of planetary gear train and the sun gear of the next stage of planetary gear train are coaxially fixed, and the planet carrier of the final stage of planetary gear train is 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 schematic partial structure diagram of a vehicle according to an embodiment 1 of the present invention;
fig. 2 is a schematic partial structure diagram of embodiment 2 of the vehicle according to the present 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
The schematic view of the partial structure of embodiment 1 of the vehicle in the present invention is shown in fig. 1, and includes a 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 stages of 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 disposed side by side in the axial direction, the secondary planetary gear train B is disposed axially inward of the primary planetary gear train a, the driving motor 12 is disposed axially inward of the two stages of planetary gear trains, the inner side in the "axially inward" of the present invention, 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 planetary gear train A is characterized in that a primary planetary gear 4, a primary planet carrier 6 and a primary annular gear 3 are arranged in a matched manner with the primary sun gear 5, wherein the primary annular gear 3 is fixed on an inner ring of the hub 2, when the primary sun gear 5 rotates, the primary planetary gear 4 rotates along with the primary planetary gear, and the primary planetary gear 4 rotates and revolves simultaneously, so that the primary planet carrier 6 rotates, meanwhile, as the 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 planetary gear 4, the primary planet carrier 6 and the primary annular gear 3 all rotate, and none of the parts are braking elements, so that the primary planetary gear train A is equivalent to a neutral gear mechanism without power output according to the working principle of a 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 fixed on the inner ring of the hub 2 and is used for driving the hub 2 to rotate, so the primary inner gear ring 3 and the secondary inner gear ring 7 are both provided with a connecting structure in rotation-stopping connection with the inner ring of the hub 2, the connecting structure can be the outer peripheral surface of the gear ring in interference fit with the inner ring of the hub 2 on the gear ring or a key groove arranged on the outer peripheral surface of the gear ring, the gear ring is in rotation-stopping connection with the hub 2 through a key, and then the gear.
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 first-stage inner gear ring 3 and the second-stage inner gear ring 7 are both 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 schematic partial structure diagram of embodiment 2 of the medium vehicle of 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, 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, a secondary ring gear 23, the primary ring gear 15 and the secondary ring gear 23 are also fixed on the inner ring 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 at the inner axial side of 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 present 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.
The embodiment of the driving system of the present invention is shown in fig. 1 or fig. 2, and the driving system is the same as the driving system described in the above vehicle embodiment, and is not described herein again.
The embodiment of the vehicle driving wheel of the present invention is shown in fig. 1 or fig. 2, and the vehicle driving wheel is the same as the vehicle driving wheel described in the above vehicle embodiment, and is not described herein again.

Claims (10)

1. A vehicle drive wheel comprising a vehicle hub, characterized in that: a speed reducing mechanism is arranged in the vehicle hub and comprises a planetary gear train, the planetary gear train comprises a sun gear, a planetary carrier and an inner gear ring, the sun gear is in transmission connection with a driving motor, the planetary gear, the planetary carrier and the inner gear ring are matched with the sun gear, and the inner gear ring is fixedly connected with an inner hole of the hub to directly drive the vehicle hub to rotate.
2. The vehicle drive wheel according to claim 1, characterized in that: the planetary gear train has at least two stages, and the ring gear of each stage of planetary gear train all is connected with wheel hub hole fixed connection, and wherein the sun gear of elementary planetary gear train is used for being connected with driving motor transmission, and the planet carrier of last stage planetary gear train and the sun gear of next stage planetary gear train coaxial fixed, and the planet carrier of last stage planetary gear train is used for being connected with frame fixed connection.
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: a speed reducing mechanism is arranged in the vehicle hub and comprises a planetary gear train, the planetary gear train comprises a sun gear in transmission connection with a driving motor, a planetary gear, a planetary carrier and an inner gear ring, the planetary gear, the planetary carrier and the inner gear ring are matched with the sun gear, and the inner gear ring is fixedly connected with an inner hole of the hub to directly drive the vehicle hub to rotate.
5. The drive system of claim 4, wherein: the planetary gear train has at least two stages, and the ring gear of each stage of planetary gear train all is connected with wheel hub hole fixed connection, and wherein the sun gear of elementary planetary gear train is connected with driving motor transmission, and the planet carrier of last stage planetary gear train and the sun gear of next stage planetary gear train are coaxial fixed, and the planet carrier of last stage planetary gear train is used for and frame fixed connection.
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: a speed reducing mechanism is arranged in the vehicle hub and comprises a planetary gear train, the planetary gear train comprises a sun gear in transmission connection with a driving motor, a planetary gear, a planetary carrier and an inner gear ring, the planetary gear, the planetary carrier and the inner gear ring are matched with the sun gear, and the inner gear ring is fixedly connected with an inner hole of the hub to directly drive the vehicle hub to rotate.
8. The vehicle according to claim 7, characterized in that: the planetary gear train has at least two stages, the inner gear rings of all stages of planetary gear trains are fixedly connected with the inner hole of the wheel hub, the sun gear of the primary planetary gear train is 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 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 of claim 7 ~ 9, further comprising a support arm fixedly connected to the frame, the drive motor being fixed to an inner side of the support arm, and a planet carrier of the planetary gear train being fixed to an outer side of the support arm.
CN201920070025.7U 2019-01-16 2019-01-16 Vehicle driving wheel, driving system using same and vehicle Active CN209856314U (en)

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Application Number Priority Date Filing Date Title
CN201920070025.7U CN209856314U (en) 2019-01-16 2019-01-16 Vehicle driving wheel, driving system using same and vehicle

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Application Number Priority Date Filing Date Title
CN201920070025.7U CN209856314U (en) 2019-01-16 2019-01-16 Vehicle driving wheel, driving system using same and vehicle

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111442068A (en) * 2019-01-16 2020-07-24 郑州宇通客车股份有限公司 Vehicle driving wheel, driving system using same and vehicle
CN111559240A (en) * 2020-06-08 2020-08-21 浙江大学昆山创新中心 AGV dolly is with electronic integrative wheel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111442068A (en) * 2019-01-16 2020-07-24 郑州宇通客车股份有限公司 Vehicle driving wheel, driving system using same and vehicle
CN111559240A (en) * 2020-06-08 2020-08-21 浙江大学昆山创新中心 AGV dolly is with electronic integrative wheel

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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province

Patentee after: Yutong Bus Co.,Ltd.

Address before: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province

Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd.

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