... ) Convenient adjustment 2) Easy to operation 3) Very competitive price LD model single beam bridge crane is improved and designed on ... the basis of LD model. It is characterized by more reasonable structure and higher ... , 18, 24, 3012,18,24,30Travelling speed (m/min)20(30)20(30)MotorTaper Squirrel-cage typeTaper Squirrel-cage typeWork dutyA3Power supply380V ...