The invention discloses an electric automobile drive axle for realizing torque distribution control and a control method thereof. The electric automobile drive axle comprises a main speed reducer arranged at the output end of a transmission shaft, a differential mechanism arranged at the output end of the main speed reducer, half shafts connected with wheels, and torque controllers arranged on theouter side of the differential mechanism; the torque controllers comprise the left torque controller and the right torque controller, the half shafts comprise the left half shaft and the right half shaft, and the wheels comprise the left wheel and the right wheel; the left torque controller and the right torque controller are arranged on the two sides of the differential mechanism correspondingly; the left torque controller is connected with the left wheel through the left half shaft; and the right torque controller is connected with the right wheel through the right half shaft. According tothe electric automobile drive axle for realizing torque distribution control and the control method thereof, the two torque controllers are additionally arranged on the drive axle, and a differentialcase is correspondingly changed so that the driving torque of the left half axle and the right half axle can be quantitatively distributed, the effects of differential speed and differential torque are achieved, the handing stability of an automobile during steering as well as the trafficability and safety of the automobile on a poor road surface are improved, and wide application prospects are achieved.
本发明公开了一种实现扭矩分配控制的电动汽车驱动桥及其控制方法,包括设置在传动轴输出端的主减速器、设置在主减速器输出端的差速器、与车轮连接的半轴,设置在差速器外侧的力矩控制器,力矩控制器包括左力矩控制器和右力矩控制器,半轴包括左半轴和右半轴,车轮包括左车轮和右车轮,左力矩控制器和右力矩控制器分别设置在差速器的两侧,左力矩控制器通过左半轴连接左车轮,右力矩控制器通过右半轴连接右车轮。本发明在驱动桥上增加两个力矩控制器,对差速器壳进行相应改动,使左右半轴的驱动力矩可以实现定量分配,实现“既差速又差扭”的效果,提高汽车转向时的操纵稳定性,以及汽车在较差路面和的通过性和安全性,有广泛的应用前景。
Electric automobile drive axle for realizing torque distribution control and control method thereof
一种实现扭矩分配控制的电动汽车驱动桥及其控制方法
2020-12-08
Patent
Electronic Resource
Chinese