A stationary motor-driven or hand-powered hoisting machine having a drum around which is wound a rope or chain attached to the load being lifted.
绞车，起货机一种装有卷筒的固定的电动机驱动或手动的吊升机械，卷筒周围缠绕着与提升的重物相连的绳索。
Abstract : the drilling wire rope of a rig ' s hoisting system suddenly brokeduring drilling process , cause serious damage of equipment.
文摘：钻机提升系统的钻井钢丝绳在油田钻井过程中突然断裂，造成设备顿钻事故。
The right method of application and maintenance of hoisting steel rope are introduced to supply a reference for mines extending the using limit of hoisting steel rope.
介绍了提升钢丝绳的防护措施，管理方法，为煤矿合理使用和延长钢丝绳使用寿命提供了重要的参考价值。
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