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  2. Quincy Mine No. 2 Shaft Hoist House - Wikipedia

    en.wikipedia.org/wiki/Quincy_Mine_No._2_Shaft...

    The additional cost for installing the hoist was $34,000; [9] the total cost of the project, including building, engine, installation, and ancillary structures, was $370,000. [10] The hoist operated from 1920 until the mine closed in 1931, [2] a victim of falling copper prices. [11] The building and hoist were restored in 1968 and are open to ...

  3. 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 ...

  4. Engine crane - Wikipedia

    en.wikipedia.org/wiki/Engine_crane

    An engine crane (also referred as engine hoist [1]) is a common repair tool used in vehicle repair shops to remove or install gasoline or diesel engines in small and crowded vehicle engine compartments. It uses a heavy cantilevered support structure to hold the engine in mid-air so that the mechanic can carefully connect or disconnect fragile ...

  5. Hydraulic hooklift hoist - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_hooklift_hoist

    These can me mounted in a variety of locations throughout the hoist. When activated, a red warning light and/or alarm sounds in the cab. Below grade reach is the distance that the hook head travels below the lifting bar on the container. This distance varies between hoist systems, ranging from 1 to 24 in or 25 to 610 mm.

  6. Chesapeake 1000 - Wikipedia

    en.wikipedia.org/wiki/Chesapeake_1000

    20 ft 1 in (6.1 m) Chesapeake 1000 (formerly Sun 800 ) is a heavy lift sheerleg crane ship , owned by Donjon Marine Co., capable of lifting 1,000 short tons (890 long tons; 910 t). [ 1 ] [ 2 ] It is one of the largest boomable stiff-leg-derrick barges on the eastern seaboard of the United States.

  7. 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.

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