The rail transfer cart is power by busbar(electric sliding line). It gets power from sliding during the cart running. The electric control system of the cart realize it start, stop, go forward and backward. Features of rail transfer cart: Simple structure, low cost; Has no strict on rail construction; Suitable to working area with short running distance; Suitable to working area with high using frequency; Has no limit on running distance; Can be applied in high-temperature environment; Box girder structure; Reasonable design, reliable operation. Can be add hydraulic lifting device; Can be add dumping device; High efficiency, low energy consumption, The whole rail transfer cart is packed by high quality plastic cloth