Electrical cable reel is a kind of lifting.

电缆卷筒是起重电气的一种。

Cable reel set up institutions that can be reversed to avoid the broken spring roll reversal.

电缆卷筒设置了可逆转机构，避免卷筒逆转而折断弹簧。

This paper describes a device of cable reel which is driven by computer controlled frequency-changing motor whose velocity can be regulated.

介绍了一种以微机控制变频调速电机驱动电缆卷筒的装置。

LD wheel, wheel group, drum group, hook group, pulleys, couplings, wire rope, cable pulley, motor, brake, reducer, cable reel, overload limiter, standard parts.

LD车轮，车轮组，卷筒组，吊钩组，滑轮组，联轴器，钢丝绳，电缆滑车，运行电机，制动器，减速机，电缆卷筒，超载限制器，标准件。

Reasons for crane cable reel rebuilding are given with the new design, calculation of reel transmitting and the strength of output. The result of rebuilding is got.

电缆卷筒的改造原因，新卷筒的设计，卷筒传动及输出轴强度的计算，改造后的效果评价。