The invention relates to a dual-motor transmission structure, which comprises a first motor M1, a second motor M2, a power coupling transmission unit, a walking driving force transmission unit and a walking driving force output shaft S-out, and is characterized in that the power coupling transmission unit is in transmission connection between an output shaft of the first motor M1 and an output shaft of the second motor M2; a walking driving force output end is arranged on the walking driving force output shaft S-out; the driving system controls power output in a coupling mode through the main control system and is used for driving a walking system in the electric engineering vehicle, the needed vehicle state is achieved, the flexible characteristic of double-motor control is utilized, gearbox gear shifting is omitted, the working condition requirement for high-speed transition of the engineering vehicle is met, the economical efficiency and reliability of the whole vehicle are improved, and the driving system is simple in structure control and low in cost, power interruption is avoided; the whole vehicle is more compact in arrangement, space is saved, the motor often works in a high-efficiency interval, the overload working condition is few, and the service life of the motor is prolonged.
本发明涉及一种双电机传动结构,包括第一电机M1、第二电机M2、动力耦合传递单元、行走驱动力传递单元及行走驱动力输出轴S‑out,所述动力耦合传递单元传动连接在所述第一电机M1的输出轴与所述第二电机M2的输出轴之间,所述行走驱动力输出轴S‑out上配置有行走驱动力输出端;驱动系统通过主控制系统耦合控制动力输出,用于驱动电动工程车辆中的行走系统,实现所需车辆状态,利用双电机控制的灵活特性,省略变速箱换挡,满足工程车辆高速转场的工况要求,提高整车的经济性和可靠性,且结构控制简单、成本低,不会出现动力中断;整车布置更加紧凑,节省空间,电机经常处于高效区间工作,过载工况少,提高电机的使用寿命。
Dual-motor transmission structure, driving system and electric engineering vehicle
双电机传动结构、驱动系统及电动工程车辆
2021-09-21
Patent
Electronic Resource
Chinese
Single-motor driving transmission structure and engineering vehicle
European Patent Office | 2021
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