With the functions of steady traveling, stepless speed regulation, the boiler transfer trolley is commonly applied to transfer steel ladle, aluminum ladle, lead ladle, steel slag etc. Generally the outer surface temperature of the ladle is 200-300 degree , due to the high temperature, the boiler transfer trolley should be designed with heat exposure proof device, especially to the battery, motor, reducer and electric appliance. It can avoid the cart from damaging and shortening using time. During the cart working, it must be steady travel, steady start and slowly stop. In order to avoid the cart broken during working, there equipped two sets driving system, if the main driving system is broken, the spare driving system can be start at the same time.
