WO2019037744A1 - Véhicule électrique et mécanisme d'entraînement de moyeu associé - Google Patents

Véhicule électrique et mécanisme d'entraînement de moyeu associé Download PDF

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Publication number
WO2019037744A1
WO2019037744A1 PCT/CN2018/101777 CN2018101777W WO2019037744A1 WO 2019037744 A1 WO2019037744 A1 WO 2019037744A1 CN 2018101777 W CN2018101777 W CN 2018101777W WO 2019037744 A1 WO2019037744 A1 WO 2019037744A1
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WO
WIPO (PCT)
Prior art keywords
wheel
hub
reducer
drive mechanism
motor
Prior art date
Application number
PCT/CN2018/101777
Other languages
English (en)
Chinese (zh)
Inventor
董伟超
马英
陈慧勇
张晓伟
左利锋
白学森
付昱
王慧忠
郑灏
Original Assignee
郑州宇通客车股份有限公司
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Application filed by 郑州宇通客车股份有限公司 filed Critical 郑州宇通客车股份有限公司
Publication of WO2019037744A1 publication Critical patent/WO2019037744A1/fr

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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
    • 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
    • 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
    • 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
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • 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
    • 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
    • B60K2007/0061—Disposition of motor in, or adjacent to, traction wheel the motor axle being parallel to the wheel axle

Definitions

  • the invention relates to the field of wheel drive systems, and in particular to an electric vehicle and a wheel drive mechanism thereof.
  • wheel-side drive power system has no differential. Small size, light weight, high efficiency, high integration, good NVH performance, wheel-side drive power system is arranged at the wheel end, the whole vehicle can realize wide channel, full low floor, and has broad prospects in the bus BUS field.
  • the transmission electric vehicle adopts the motor, the main reducer is driven centrally, or adopts the motor, the reducer or the transmission, and the main reducer is driven centrally.
  • the main reducer has low working efficiency, large noise, large volume and heavy weight. Although the transmission bias bridge can realize low floor and wide passage, it still needs the main reducer to change the torque transmission direction.
  • the main reducer has low working efficiency, high noise and poor overall vehicle comfort.
  • the Chinese patent application with the publication number CN102555773A and the application publication date is 2012.07.11 discloses a rear axle of a low floor door type wheel motor for an electric vehicle, including a axle housing, a motor, a primary speed reducer and a secondary speed reducer.
  • the front end of the reducer is connected to the axle housing.
  • the motor stator is fixed in the front end of the first-stage reducer housing.
  • the rotor is connected to the output shaft of the motor shaft to drive the output shaft of the motor to rotate.
  • the output shaft of the motor is parallel to the axial direction of the hub.
  • the planetary gear is used, and the brake is arranged outside the casing of the primary reducer for braking the hub, and the motor, the primary reducer, the secondary reducer, the brake and the hub are symmetrically arranged on the left and right sides of the axle housing.
  • the electric vehicle wheel drive axle motor is integrated in the axle housing, and the power transmission direction is parallel to the axial direction of the hub.
  • the secondary speed reducer is used to drive the wheel, the main reducer is eliminated, the transmission efficiency is improved, and the vehicle comfort is improved.
  • the planetary reduction mechanism of the wheel is disposed on the outer side of the hub, and the planetary reduction mechanism and the motor are respectively disposed on both sides of the hub, resulting in the density of the entire system.
  • the sealing structure is complicated, and the two-stage reducer is difficult to share the problem of the lubricating oil system.
  • the object of the present invention is to provide a wheel drive mechanism to solve the complicated sealing structure caused by the planetary reduction mechanism of the current wheel drive mechanism and the motor disposed on both sides of the hub, and it is difficult for the two-stage reducer to share the lubricating oil system. problem. Further, it is an object of the present invention to provide an electric vehicle using the above-described wheel drive mechanism.
  • a first technical solution of the wheel drive mechanism of the present invention is that the wheel drive mechanism includes a motor and a bridge housing disposed on the inner side of the hub, and the motor is coupled with a wheel reducer, and includes a wheel edge
  • the reducer drives the connected half shaft, and the half shaft is connected with a planetary speed reduction mechanism for being disposed inside the hub, one end of the half shaft is a fixed end of the hub for fixed connection with the hub, and the other end is decelerated with the planetary system
  • the fixed end of the planetary system connected to the mechanism, the output shaft of the wheel reducer is connected with the planetary speed reduction mechanism, and the half shaft is driven and connected with the wheel speed reduction mechanism by a planetary speed reduction mechanism.
  • the second technical solution of the wheel drive mechanism of the present invention is: based on the first technical solution of the wheel drive mechanism of the present invention, the planetary reduction mechanism is in the axle housing, saves space, and drives on the wheel side.
  • the organization is compact.
  • a third technical solution of the wheel drive mechanism of the present invention is: based on the second technical solution of the wheel drive mechanism of the present invention, the wheel reducer includes a wheel reducer housing and is disposed at the wheel side to reduce the speed.
  • the reducer body in the housing is detachably and fixedly connected to the shaft tube in the hub, and the other end is detachably and fixedly connected with the wheel reducer housing to facilitate the replacement of the planetary reduction mechanism.
  • a fourth technical solution of the wheel drive mechanism of the present invention is: based on the third technical solution of the wheel drive mechanism of the present invention, the wheel reducer and the motor are separately arranged, and the motor housing is The wheel reducer housing can be detachably and fixedly connected to facilitate the replacement of the motor and the wheel reducer.
  • the fifth technical solution of the wheel drive mechanism of the present invention is that, according to any one of the first to fourth aspects of the wheel drive mechanism of the present invention, the wheel reducer is connected to the motor shaft.
  • the output shaft of the input shaft and the planetary speed reduction mechanism are both on the side of the wheel reducer facing the hub, which reduces the occupied space of the wheel drive mechanism and has a more flexible layout.
  • the sixth technical solution of the wheel drive mechanism of the present invention is: according to any one of the first to fourth aspects of the wheel drive mechanism of the present invention, the motor is disposed on the diameter of the axle housing To the side, increase the compactness of the system and increase the space in the car.
  • a seventh technical solution of the wheel drive mechanism of the present invention is that, in addition to the sixth technical solution of the wheel drive mechanism of the present invention, the motor is disposed on the front side or the rear side of the axle housing.
  • a first technical solution of the electric vehicle of the present invention is that the electric vehicle includes a vehicle body and a wheel drive mechanism disposed on the vehicle body, and the vehicle body includes a hub and a shaft tube that is worn in the hub, and the wheel side drive mechanism
  • the motor includes an axle housing disposed on the inner side of the hub, the motor is coupled to the wheel reducer, and further includes a half shaft that is drivingly coupled to the wheel reducer, the half shaft being coupled to a planetary gear reduction mechanism disposed inside the hub, One end of the half shaft is a fixed end of the hub fixedly connected to the hub, and the other end is a fixed end of the planetary system connected to the planetary reduction mechanism, the output shaft of the wheel reducer is connected with the planetary reduction mechanism, and the half shaft passes through the planetary system.
  • the speed reduction mechanism is connected to the wheel side speed reduction mechanism.
  • a second technical solution of the electric vehicle of the present invention is that, in addition to the first technical solution of the electric vehicle of the present invention, the planetary reduction mechanism is in the axle housing.
  • a third technical solution of the electric vehicle of the present invention is: based on the second technical solution of the electric vehicle of the present invention, the wheel reducer includes a wheel reducer housing and a housing disposed in the wheel reducer housing The reducer body has one end fixedly connected to the shaft tube in the hub and the other end fixedly connected to the housing of the wheel reducer.
  • a fourth technical solution of the electric vehicle of the present invention is: based on the third technical solution of the electric vehicle of the present invention, the wheel reducer and the motor are separately arranged, the motor housing and the wheel reducer The housing is detachably and fixedly connected.
  • the fifth technical solution of the electric vehicle of the present invention is: based on any one of the first to fourth aspects of the electric vehicle of the present invention, the input shaft connected to the motor shaft on the wheel reducer and The output shafts connected to the planetary reduction mechanism are all on the side of the wheel reducer facing the hub.
  • a sixth technical solution of the electric vehicle of the present invention is that, in addition to any one of the first to fourth aspects of the wheel drive mechanism of the present invention, the motor is disposed on a radial side of the axle housing Increase the compactness of the system and increase the space in the car.
  • a seventh technical solution of the electric vehicle according to the present invention is that, in addition to the sixth aspect of the wheel drive mechanism of the present invention, the motor is disposed on a front side or a rear side of the axle housing.
  • the beneficial effects of the present invention are that the planetary reduction mechanism of the wheel drive mechanism of the present invention is located inside the hub, compared with the current wheel drive mechanism in which the planetary reduction mechanism and the wheel reducer are respectively disposed on both sides of the hub.
  • the planetary speed reduction mechanism of the wheel drive mechanism of the invention is on the same side of the hub as the motor and the wheel reducer, and the structure is compact.
  • the planetary speed reduction mechanism and the wheel reducer can use the same lubricating oil system to solve the current wheel edge.
  • the planetary system speed reduction mechanism of the drive mechanism and the motor are disposed on both sides of the hub, and the sealing structure is complicated, and the two-stage reducer is difficult to share the lubricating oil system.
  • FIG. 1 is a schematic structural view of a wheel drive mechanism of a first embodiment of an electric vehicle according to the present invention
  • FIG. 2 is a schematic structural view of a wheel drive mechanism of a second embodiment of the electric vehicle according to the present invention.
  • FIG. 3 is a schematic structural view of a wheel drive mechanism of a third embodiment of the electric vehicle according to the present invention.
  • FIG. 4 is a schematic structural view of a wheel drive mechanism of a fourth embodiment of the electric vehicle of the present invention.
  • Fig. 5 is a view showing the configuration of a wheel drive mechanism of a fifth embodiment of the electric vehicle of the present invention.
  • the electric vehicle includes a vehicle body and a wheel drive mechanism disposed on the vehicle body.
  • the vehicle body includes a wheel including a tire 1, a rim 2, a hub 3, and the hub 3.
  • a rotary bearing 5 is disposed between the hub 3 and the shaft tube 4, and a brake 6 and a brake disc 7 are further disposed on the wheel.
  • the wheel drive mechanism includes a motor 8 and a bridge housing 9 disposed inside the hub 3.
  • the motor 8 is coupled to the wheel reducer 10.
  • the wheel reducer 10 employs a two-stage parallel shaft reducer.
  • a axle shaft 11 that is drivingly coupled to the wheel reducer 10 and a planetary gear reduction mechanism 12 coupled to the wheel reducer 10 are mounted in the axle housing 9, and the axle shaft 11 is transmitted through the planetary reduction mechanism 12 and the wheel reducer 10. connection.
  • the output shaft of the wheel reducer 10 is coupled to the planetary reduction mechanism 12.
  • the planetary reduction mechanism 12 includes a sun gear 121 and a planetary gear 122.
  • the output shaft of the planetary reduction mechanism 12 is fixedly coupled to the planetary gear 122, and the planetary fixed end of the half shaft 11 is fixed to the output shaft of the planetary reduction mechanism 12.
  • the output shaft of the wheel reducer 10 is fixedly coupled to the input shaft of the planetary reduction mechanism 12, and the input shaft of the planetary reduction mechanism is fixedly coupled to the sun gear 121.
  • the wheel reducer 10 includes a wheel reducer housing and a deceleration body disposed in the wheel reducer.
  • the motor 8 includes a motor housing and a movement disposed in the motor housing.
  • the motor housing and the wheel reducer housing are detachably fixed. Connections make it easy to replace the motor and wheel reducer as needed.
  • the motor 8 is disposed on the front side of the axle housing 9.
  • the planetary system speed reduction mechanism 12 is fixed in the axle housing 9. One end of the axle housing 9 is fixed to the shaft tube 4, and the other end is detachably fixed to the wheel side reducer housing, so that the axle housing 9 can be disassembled and assembled, and the planetary system can be realized as needed. Replacement of the speed reduction mechanism 12 model.
  • the output shaft of the planetary reduction mechanism 12 extends to one end of the axle housing 9 that is fixed to the shaft tube 4.
  • the wheel reducer 10, the motor 8 and the axle housing 9 in the embodiment are detachably connected, so that the wheel drive mechanism can be modularized, and the planetary system in the wheel reducer 10, the motor 8, and the axle housing 9
  • the output torque can be changed by changing the ratio of the wheel speed reducer 10 speed ratio or the planetary system speed reduction mechanism 12 according to the design and use requirements of the vehicle, and it is easy to realize a large speed ratio high torque transmission.
  • the planetary reduction mechanism 12 in this embodiment is disposed in the axle housing 9, and the planetary reduction mechanism 12 is disposed adjacent to the wheel reducer 10, so that the structure of the wheel drive mechanism of the present invention is more compact and easy to seal.
  • the side reducer 10, the motor 8, and the planetary reduction mechanism 12 can use the same set of lubricating oil systems, simplifying the arrangement of the lubricating oil system.
  • the input shaft of the wheel reducer 10 is fixedly coupled to the motor shaft, and the output shaft of the wheel reducer 10 is fixedly coupled to the input shaft of the planetary reduction mechanism 12, wherein the input shaft and output of the wheel reducer 10 are input.
  • the shafts are each on the side of the wheel reducer 10 facing the hub 3.
  • the wheel reducer 10 and the motor 8 and the axle housing 9 are arranged in a "pin" shape, and the structure is compact.
  • the motor 8 is arranged on the inner side of the hub 3, and the angle can be randomly arranged with the installation angle of the wheel reducer 10, and the overall arrangement of the system is flexible. change.
  • the position of the motor 8 reducer is flexible, which is conducive to the overall vehicle layout.
  • the wheel side drive mechanism of the electric vehicle of the invention has no differential, small volume, light weight, high efficiency, high integration and good NVH performance.
  • the electric vehicle in this embodiment is an independent suspension electric drive bridge, wherein the axle housing corresponds to the bridge tube of the independent suspension electric drive bridge.
  • the electric vehicle may also employ a rigid electric drive bridge, in which case the axle housing corresponds to the support arm of the rigid electric drive bridge.
  • the electric vehicle in the present embodiment is different from the above-described specific embodiment 1 only in that, as shown in FIG. 2, the motor 8 is disposed on the rear side of the axle housing 9 in this embodiment.
  • the electric vehicle in the present embodiment is different from the above-described second embodiment only in that, as shown in FIG. 3, in the present embodiment, the planetary reduction mechanism 12 is disposed close to the hub 3.
  • the electric vehicle in the present embodiment is different from the above-described embodiment 2 only in that, as shown in FIG. 4, in the present embodiment, the planetary system speed reduction mechanism 12 includes a sun gear 4121.
  • the planetary gear 4122 and the ring gear, the output shaft of the planetary reduction mechanism 12 is fixedly coupled to the ring gear, and the planetary fixed end of the half shaft 11 is fixedly coupled to the output shaft of the planetary reduction mechanism 12.
  • the electric vehicle in the present embodiment is different from the above-described specific embodiment 4 only in that, as shown in FIG. 5, the motor 8 is disposed on the front side of the axle housing 9 in this embodiment.
  • the structure of the wheel drive mechanism in this embodiment is the same as that of the wheel drive mechanism described in any one of the embodiments of the electric vehicle. ,No longer.
  • the wheel reducer may be a single-stage parallel shaft speed reduction mechanism or the like; the planetary system speed reduction mechanism and the wheel reducer may be connected by a transmission shaft, and the planetary system
  • the speed reduction mechanism may be provided with a planetary reduction mechanism housing, one end of the axle housing is detachably and fixedly connected with the planetary reduction mechanism housing, and the planetary reduction mechanism housing and the wheel reducer housing are detachably and fixedly connected; the motor and the wheel side
  • the reducer can be integrated; the motor and the wheel reducer can be arranged along the axial direction of the hub; the motor can be arranged on the radial side of the axle housing, and the motor can be placed under the axle housing, or obliquely downward, obliquely upward, as needed Wait for any position.

Abstract

L'invention concerne un véhicule électrique et un mécanisme d'entraînement de moyeu associé. Le mécanisme d'entraînement de moyeu comprend un moteur électrique (8) et un carter d'essieu (9), le moteur électrique (8) étant raccordé à un engrenage de réduction de moyeu (10). Le mécanisme d'entraînement de moyeu comprend en outre un demi-arbre (11) raccordé par entraînement à l'engrenage de réduction de moyeu (10), le demi-arbre (11) étant raccordé à un mécanisme de réduction de vitesse de train planétaire (12) agencé sur un côté interne d'un moyeu de roue (3) ; une extrémité du demi-arbre (11) est une extrémité de fixation de moyeu de roue configurée pour être fixement raccordée au moyeu de roue (3), et l'autre extrémité de ce dernier est une extrémité de fixation de train planétaire raccordée au mécanisme de réduction de vitesse de train planétaire (12) ; un arbre de sortie de l'engrenage de réduction de moyeu (10) est raccordé au mécanisme de réduction de vitesse de train planétaire (12) ; et le demi-arbre (11) est raccordé par entraînement à un mécanisme de réduction de moyeu au moyen du mécanisme de réduction de vitesse de train planétaire (12). Le mécanisme de réduction de vitesse de train planétaire, le moteur électrique et l'engrenage de réduction de moyeu sont situés sur le même côté du moyeu de roue, produisant une structure compacte, et le mécanisme de réduction de vitesse de train planétaire et l'engrenage de réduction de moyeu peuvent utiliser un seul et même système d'huile de lubrification.
PCT/CN2018/101777 2017-08-23 2018-08-22 Véhicule électrique et mécanisme d'entraînement de moyeu associé WO2019037744A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710731918.7 2017-08-23
CN201710731918.7A CN109421512A (zh) 2017-08-23 2017-08-23 电动车辆及其轮边驱动机构

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN111376708A (zh) * 2020-03-30 2020-07-07 中国第一汽车股份有限公司 一种轮毂电机及电动汽车

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CN109910605A (zh) * 2019-03-27 2019-06-21 苏州汇川联合动力系统有限公司 动力装置及电动汽车
CN111114304B (zh) * 2020-01-20 2021-01-08 郑州宇通重工有限公司 车辆、轮边动力系统及轮边减速器

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CN203186075U (zh) * 2012-12-26 2013-09-11 北京智行鸿远汽车技术有限公司 一种电动汽车用轮边电机驱动桥
CN103448537A (zh) * 2013-08-15 2013-12-18 安徽工程大学 一种电机驱动的轮边减速系统
JP5601260B2 (ja) * 2011-03-28 2014-10-08 アイシン・エィ・ダブリュ株式会社 インホイールモータ駆動装置
CN104191956A (zh) * 2014-07-23 2014-12-10 郑州宇通客车股份有限公司 一种纯电动汽车轮边驱动系统
CN106438862A (zh) * 2016-10-14 2017-02-22 重庆大学 电动轮轮边减速装置
CN207466352U (zh) * 2017-08-23 2018-06-08 郑州宇通客车股份有限公司 一种电动车辆及其轮边驱动机构

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JP5601260B2 (ja) * 2011-03-28 2014-10-08 アイシン・エィ・ダブリュ株式会社 インホイールモータ駆動装置
CN102555773A (zh) * 2012-01-18 2012-07-11 武汉新能车桥技术发展有限公司 电动客车用低地板门式轮边电机后桥
CN203186075U (zh) * 2012-12-26 2013-09-11 北京智行鸿远汽车技术有限公司 一种电动汽车用轮边电机驱动桥
CN103448537A (zh) * 2013-08-15 2013-12-18 安徽工程大学 一种电机驱动的轮边减速系统
CN104191956A (zh) * 2014-07-23 2014-12-10 郑州宇通客车股份有限公司 一种纯电动汽车轮边驱动系统
CN106438862A (zh) * 2016-10-14 2017-02-22 重庆大学 电动轮轮边减速装置
CN207466352U (zh) * 2017-08-23 2018-06-08 郑州宇通客车股份有限公司 一种电动车辆及其轮边驱动机构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111376708A (zh) * 2020-03-30 2020-07-07 中国第一汽车股份有限公司 一种轮毂电机及电动汽车

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