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Headframes

A headframe(also known as a gallows frame, winding tower, hoist frame, pit frame, shafthead frame, or headgear) is the structural frame above an underground mine shaft. Modern headframes are built out of steel, concrete or a combination of both. Timber headframes are no longer used in industrialized countries, but are still used in developing nations. Traditionally steel headframes are used when a drum hoist is employed, and concrete headframes are built for friction hoists, however a steel headframe can be used with a friction hoist for shafts with a smaller capacity and depth.

From Wikipedia, the free encyclopedia (version june 7, 2012).

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Document created the 31/01/2014, last modified the 13/04/2020
Source of the printed document:https://www.gaudry.be/en/photos/263560120036071781264112.html

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