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2. Hoist (mining) - Wikipedia

   en.wikipedia.org/wiki/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 (), although modern large hoists use alternating current drives that ...

3. Winch - Wikipedia

   en.wikipedia.org/wiki/Winch

   An air winch, sometimes known as an air hoist or air tugger, is an air-powered version of a winch. It is commonly used for the lifting and the suspension of materials. In the oil and gas, construction , and maritime industries, air winches are frequently preferred to electric, diesel, and hydraulic winches because of their durability ...

4. Hoist (device) - Wikipedia

   en.wikipedia.org/wiki/Hoist_(device)

   Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.

5. Fly system - Wikipedia

   en.wikipedia.org/wiki/Fly_system

   Hoists of various types are used in manual automated rigging systems. The terms hoist and winch are often used interchangeably in theatre jargon. Hoists are generally assumed to be motorized unless "manual" is used as a descriptor. Manual hoist. Manual hoists, or hand winches, are typically composed of a drum, gear box, and crank (operating ...

6. Derrick - Wikipedia

   en.wikipedia.org/wiki/Derrick

   In this way the boom moves at the same speed as the winch veers the topping end of the halyard and hauls the lowering end of the halyard, and vice versa. The slewing ends are also wound on to another half-barrel. There is a third winch to hoist to cargo on the yoke. Runners decrease swing and rotation of the cargo.

7. Shaft sinking - Wikipedia

   en.wikipedia.org/wiki/Shaft_sinking

   The Galloway is moved in the shaft by means of winches, which move slowly and are rated for significant loads, while the sinking buckets (or kibbles) are moved in the shaft by the sinking hoist, which moves quickly and is rated for less load than the winches. To protect the hoist(s) and winches and the sensitive electronics which are used to ...