Use: this product is mainly used for the LDA the operation of the new type electric single-girder gantry drive, also applies to the operation of the similar hoisting machinery drive. It with 0.8 KW, 1.5 KW of conical rotor motor and toothed ring synthetic dynamic driving wheel running mechanism, it is the first level of gear can be replaced, so as to get a different drive, to meet the requirements of the different running speed. The product structure is compact, small size, light weight, convenient in maintenance.