LDA驱动装置是为5吨电动单梁起重机配套的一种新型大车驱动装置，是LD1型的改进型。可配套电机有ZDYD21-4-0.8KW，ZDYD22-4-1.5KW锥形制动电机，或ZDRD100-4-1.5KW锥形转子绕线制动电机等配套使用。该装置具有结构简单，体积小，噪音低，外观大方，使用安全可靠，运行速度平稳，安装维修方便，起动转矩大，可频繁起动等优点。

   The LDA driving apparatus for 5 tons electric single girder crane supporting a newcart driving device, type LD1 is improved. Supporting the motor with ZDYD21-4-0.8KW, ZDYD22-4-1.5KW or ZDRD100-4-1.5KW tapered conical braking motor, rotor winding brake motor supporting the use of. The device has the advantages of simple structure, small volume, low noise, the appearance of generosity, the use of safe and reliable, smooth running speed, convenient installation and repair, large starting torque, can frequently start etc..

注：若行车地面操作，与实心转子制动（软起动）电机配套使用最佳。

可供选用驱动速度表

速度 20米/分 30米/分 45米/分 60米/分 75米/分 总速度比 58.95 39.42 26.51 19.44