10 ton material handling transfer trolley, AC power will be converted into AC 36v two-phase and connected to two rails respectively, then 10 tons transfer car will be AC 36v on the rail into the bottom of the electrical box accurate transfer car. Then convert AC 36v to DC 36v, and then control DC motor through DC control system, so that 10 tons transfer car accurately start, stop, forward and backward, speed regulation, etc.