A distributed double-motor electric drive axle is connected with a left driving wheel and a right driving wheel through a left output half shaft and a right output half shaft respectively, and comprises an integrated axle housing, a left output half shaft and a right output half shaft, the speed reducer is installed in the integrated axle housing, one end of the left output half shaft and one end of the right output half shaft are connected with an output shaft of the speed reducer respectively, and the other end of the left output half shaft and the other end of the right output half shaft are connected with the left driving wheel and the right driving wheel respectively; the asynchronous motor is mounted on the integrated axle housing, and a motor shaft of the asynchronous motor is connected with the speed reducer through a first transmission mechanism; the permanent magnet synchronous motor is mounted on the integrated axle housing, and a motor shaft of the permanent magnet synchronous motor is connected with the speed reducer through a second transmission mechanism; wherein the asynchronous motor and the permanent magnet synchronous motor are symmetrically distributed relative to the speed reducer, and motor shafts of the asynchronous motor and the permanent magnet synchronous motor are parallel to the left output half shaft and the right output half shaft. The device is simple in structure, convenient to install and maintain and high in economical efficiency of the whole vehicle.
一种分布式双电机电驱桥,分别通过左、右输出半轴与左、右驱动轮连接,所述分布式双电机电驱桥包括:一体式桥壳;减速器,安装在所述一体式桥壳内,所述左、右输出半轴的一端分别与所述减速器的输出轴连接,所述左、右输出半轴的另一端分别与所述左、右驱动轮连接;异步电机,安装在所述一体式桥壳上,所述异步电机的电机轴通过第一传动机构与所述减速器连接;以及永磁同步电机,安装在所述一体式桥壳上,所述永磁同步电机的电机轴通过第二传动机构与所述减速器连接;其中,该异步电机与永磁同步电机相对于所述减速器对称分布,且异步电机与永磁同步电机的电机轴与左、右输出半轴平行设置。本发明结构简单,安装和维护方便,整车经济性高。
Distributed double-motor electric drive axle
一种分布式双电机电驱桥
2023-11-21
Patent
Electronic Resource
Chinese
Integrated double-motor distributed drive electric drive axle
European Patent Office | 2020
|