提升机是地下采矿作业的主要设备,不仅用来提升矿岩,也用来运送人员和材料;它是作业中枢,投资大,需要定期检测和维护。魁北克现有90多台提升机,包括滚筒式和摩擦式两种,其中50台正常作业,魁北克省在提升技术方面现状是:(1)各采矿公司需求大量技术支持;(2)专家大多集中在矿 Hoist is the main equipment underground mining operations, not only to upgrade the ore, but also used to transport personnel and materials; it is the center of operation, large investment, the need for regular testing and maintenance. Québec currently has more than 90 hoists, including drum and friction, of which 50 are in normal operation. The status quo in Québec for upgrading technology is: (1) a large amount of technical support is required from mining companies; (2) most of the experts are concentrated In the mine