Electric drive type tractor CVT power assembly of mechanical PTO structure

The utility model provides an electrically-driven tractor CVT (continuously variable transmission) power assembly with a mechanical PTO (power take-off) structure, which comprises an engine, a generator, a main drive motor, a transmission, a transfer case, a PTO transmission case, a first clutch, a second clutch, an energy storage unit, a charging interface and a discharging interface. The rear wheels are driven by a main driving motor and a transmission, full-time and time-sharing four-wheel drive, left and right differential and skid resistance can be achieved, a PTO transmission box is connected with an engine to provide power, an energy storage unit is arranged, external charging/discharging can be achieved, pure electric driving can be achieved, and the structure is compact. 本实用新型提供一种机械PTO结构的电驱式拖拉机CVT动力总成，包括：发动机、发电机、主驱电机、变速器、分动箱、PTO传动箱、第一离合器、第二离合器，储能单元、充电接口和放电接口，本实用新型采用飞轮集成式电机，前轮采用机械驱动，后轮采用主驱动电机+变速器驱动，可实现全时、分时四驱，左右差速，防滑，PTO传动箱由发动机连接提供动力，配备储能单元，可实现外接充/放电，可以实现纯电行驶，结构紧凑。