Methanol electric container range-extended heavy truck tractor unit and driving assembly thereof

The embodiment of the invention discloses a methanol electric container range-extended heavy truck tractor unit which comprises a tractor unit body and a vehicle frame, wherein methanol electric piles, a charging controller, rechargeable batteries , a power supply controller, gearboxes and motors are arranged in the tractor unit body; the tractor unit body is provided with a BeiDou navigation system and a CO2 recovery device so as to achieve automatic positioning and zero emission of CO2; the vehicle frame is a power vehicle frame; the vehicle frame is provided with a collision and rear-end-collision avoidance system and a deceleration inertia recovery system so as to ensure the driving safety and improve the running distance of a vehicle; the tractor unit body comprises a chassis; the chassis and the vehicle frame are both made of aluminum alloy materials so as to further reduce the weight of a vehicle body and reduce the energy consumption of the heavy truck tractor unit during running; and the vehicle fram