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The Quincy Mine No. 2 Shaft Hoist House is an industrial building located north of Hancock, Michigan along US Highway 41 within the Quincy Mining Company Historic District. The Hoist House contains the largest steam hoisting engine in the world, [ 3 ] which sits on the largest reinforced concrete engine foundation ever poured. [ 3 ]
Quincy Mine Hoist House. When the mine ceased production in 1945, the Quincy Number 2 shaft was the world's longest mine shaft, at 9,260 feet (2.82 km or 1.75 miles) along the dip of the deposit on a 55 degree decline.
In 1917, Bruno Nordberg was contracted by Quincy Mining Company to design and build the world's largest steam hoist for their copper mine near Hancock, Michigan. The hoist is a cross compound steam hoist. It was installed in the Quincy Mine No. 2 Shaft Hoist House, began operations in November 1920, and ran until the mine closed in 1931.
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 ...
Shaft mining or shaft sinking is the action of excavating a mine shaft from the top down, where there is initially no access to the bottom. [1] Shallow shafts , typically sunk for civil engineering projects, differ greatly in execution method from deep shafts, typically sunk for mining projects.
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Before the current tram was added, tourists were transported to the adit entrance by van, an indirect and cumbersome method. The solution of a tram was suggested by the vice president of the Quincy Mine Hoist Association, James R. Vivian Sr. [3] The U.S. Economic Development Administration provided $420,000 in funds with a matching $200,000 raised by the Hoist Association.
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