卷筒：
Drum:
1、卷筒上的钢丝绳尾端的固定装置应有放松或自紧的性能。固定装在在设计时应考虑在计及安全圈的摩擦作用情况下，能承受2.5倍的钢丝绳额定拉力。钢丝绳与卷筒面之间的摩擦系数u=0.1.
1. The fixing device at the end of the steel wire rope on the drum shall be loose or self tightening. The fixed installation shall be designed to withstand 2.5 times of the rated tension of the wire rope, taking into account the friction effect of the safety ring. Friction coefficient between wire rope and drum surface u = 0.1
2、卷筒直径与钢丝绳直径d的比值h1应不小于表7-83的数值。
2. The ratio H1 of drum diameter and wire rope diameter D shall not be less than the value in table 7-83.
3、卷筒绳槽半径r的最小值（r=0.525d）应符合表7-84的规定。
3. The minimum value (r = 0.525d) of rope groove radius r of drum shall meet the requirements of table 7-84