Rail transfer wagon is an electric flatbed truck that can run on steel rails. It is powered by a battery-powered system that also increases speed and efficiency to some extent. In the market, it is called electric rail flat car, electric cart, electric cart. The structure of rail-type electric flatbeds such as flatbed trucks and electric vehicles is generally composed of electrical control systems, walking systems, power supply systems, drive systems, and racks. The advantage over other devices is that it can get rid of cable control, so it can be in corners, forks, driving, and the running distance is not limited. It can be operated remotely, which is convenient to use and suitable for use on relatively long tracks. In the transportation system.