The bending stress of the reel drum of the hoist can be reduc ed by the wood liner construction,and the working life will be raised.

• 介绍了提升机卷筒，采用木衬结构可降低筒壳的弯曲应力，对延长提升机的使用寿命，挖掘其潜力，具有技术经济意义。