The invention discloses a dual-motor two-gear transmission for an electric vehicle, comprising: a gear ratio driving assembly comprising a first driving motor, a transition shaft and an intermediate shaft, the first driving motor is connected with the transition shaft, the transition shaft is provided with a low-speed driving gear and a first high-speed driving gear, and the first high-speed driving gear is connected with the intermediate shaft; the intermediate shaft is provided with a low-speed driven gear and a first high-speed driven gear, the low-speed driven gear and the first high-speed driven gear are idle gears, and the transition shaft is further provided with a clutch; the constant-speed-ratio driving assembly comprises a second driving motor, the second driving motor is connected with a second high-speed driving gear, the intermediate shaft is provided with a second high-speed driven gear, and the second high-speed driven gear is fixedly connected with the intermediate shaft; according to the double-motor transmission, the high rotating speed of the motor is not adopted, the double motors are adopted, and the transmission is arranged, so that sufficient performance is ensured when the transmission is changed from a low speed to a high speed, and the high rotating speed of the motor can be avoided at the high speed.
本发明公开了一种电动汽车用双电机两档变速器,包括:变速比驱动组件:其包括第一驱动电机、过渡轴和中间轴,所述第一驱动电机连接过渡轴,过渡轴上设置有低速主动齿轮和第一高速主动齿轮,所述中间轴上设置有低速被动齿轮和第一高速被动齿轮,所述低速被动齿轮和第一高速被动齿轮为空套齿轮,过渡轴上还设置有离合器;定速比驱动组件:其包括第二驱动电机,第二驱动电机连接有第二高速主动齿轮,所述中间轴上设置有第二高速被动齿轮,第二高速被动齿轮与中间轴固定连接;所述的中间轴上还设置有输出齿轮,本发明不采用电机的高转速化,而是采用双电机,并配备变速器,使变速器从低速变更为高速时确保充足的性能,并且在高速时能避免电机高转速。
Dual-motor two-gear transmission for electric automobile
电动汽车用双电机两档变速器
2022-09-09
Patent
Electronic Resource
Chinese
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