Ad
related to: underground mining winders
Search results
Results from the WOW.Com Content Network
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 ...
A mining hoist (also known simply as a hoist or winder) [6] is used in underground mining to raise and lower conveyances within the mine shaft. It is similar to an elevator, used for raising humans, equipment, and assorted loads. Human, animal and water power were used to power the mine hoists documented in Agricola's De Re Metallica, published ...
In Yellowknife, Canada, the demolition of the Con Mine headframe has met significant public opposition. [5] The headframe was the tallest structure in the Northwest Territories [ 6 ] and is regarded by many in the town to be an important symbol of the region's mining heritage.
Winder or motor drive, a device for automatically (re-) winding film in a manual camera; Winder or hoist, used in underground mining; A device for transferring energy into a mechanical storage such as mainsprings
In traditional terminology a mine engineer was a senior person responsible for all boilers and machinery and for supervision of the enginewrights. [2] In Scotland the word "engineer" referred to a surveyor. Engineman. An engineman drove a haulage engine; a winding engineman or winder drove the winding engine. Eye or pit-eye
The most visible feature of a traditionally-built mine shaft is the headframe (or winding tower, poppet head or pit head) which stands above the shaft. Depending on the type of hoist (or winder) used, the top of the headframe will either house a hoist motor or a sheave wheel (with the hoist motor mounted on the ground). The headframe will also ...
Pages in category "Underground mining" The following 39 pages are in this category, out of 39 total. This list may not reflect recent changes. ...
There are two principal phases of underground mining: development mining and production mining. Development mining is composed of excavation almost entirely in (non-valuable) waste rock in order to gain access to the orebody. There are six steps in development mining: remove previously blasted material (muck out round), scaling (removing any unstable slabs of rock hanging from the roof and ...
Ad
related to: underground mining winders