The invention relates to the field of electric automobiles and aims at providing an electric automobile driving device. The electric automobile driving device comprises a motor and a gearbox, the gearbox is fixed to the motor, a first bearing and a rotor are arranged in the motor, one end of the rotor is installed on an inner ring of the first bearing, the other end of the rotor is provided with inner splines, a second bearing, a third bearing, a fourth bearing, an input shaft and an output shaft are arranged in the gearbox, and an outer ring of the second bearing and an outer ring of the third bearing are oppositely arranged on two opposite side faces of the gearbox. The electric automobile driving device has the advantages that after being subjected to speed change through the gearbox, the torque of the motor is transmitted to a rear axle of an electric automobile, speed change of the electric automobile is achieved through gear shifting of the gearbox, the motor is made to work in a high efficiency area all the time, motor driving efficiency is high, and energy consumption is low.
Electric automobile driving device
2016-02-03
Patent
Electronic Resource
English
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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