Hoist (mining)

A drum hoist (steel wire rope visible) and motor

In underground mining a hoist or winder[1] is used to raise and lower conveyances within the mine shaft. Modern hoists are normally powered using electric motors, historically with direct current drives utilizing Ward Leonard control machines and later solid-state converters (thyristors), however modern large hoists use alternating current drives that are variable frequency controlled.[1] There are three principal types of hoists used in mining applications:

  1. ^ a b De la Vergne, Jack (2003). Hard Rock Miner's Handbook. Tempe/North Bay: McIntosh Engineering. pp. 114–124. ISBN 0-9687006-1-6. Archived from the original on 2017-05-04. Retrieved 2008-10-29.