【摘要】 现有矿井提升设备已不适应更深矿层的开采，本文展示了无绳提升设备的构想并讨论了一些方案。更多还原

【Abstract】 Existing mine hoists are not suited to the mining for more deep seams. In the paper the tentative ideas of non-rope hoists are showed and some plans about the non-rope hoists are discussed.更多还原