Hoist (mining) - Wikipedia
In underground mining a hoist or winder 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 (), however modern large hoists use alternating current drives that are variable frequency controlled.
Shaft mining - Wikipedia
Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom.. Shallow shafts, typically sunk for civil engineering projects differ greatly in execution method from deep shafts, typically sunk for mining projects.When the top of the excavation is the ground surface, it is referred to as a shaft; when the top ...
Mine hoist systems - Underground mining …
Shaft mining: latest trends in hoist safety, performance and energy efficiency. ABB creates safer ups and downs for miners. Hoist services. Engineering & consulting. Advanced digital services . Upgrades. Maintenance. Repairs. Spares and consumables. Mine design project services . Planning and engineering mine projects with integrated solutions from mine to port and from plant to enterprise ...
ABB in Mining
Shaft mining: Latest trends in hoist safety, energy efficiency and performance. Article and video. Digitalization of short interval control and production scheduling in mining . Sustainable Intelligent Mining. Pilot project to improve coordination between tactical and operational plans in mining . Article and video. Mine ventilation: how to improve safety and half energy costs. Article and ...
coal mining | Definition, History, Types, & Facts | …
07.07.2020 · Coal mining, extraction of coal deposits from the surface of Earth from underground. Coal has been used since the Bronze Age, 3,000 to 4,000 years ago, and was the basic energy source that fueled the Industrial Revolution of the 18th and 19th centuries.
Glossary of Mining Terms - Coal Education
The main break occurs over the seam at an angle from the vertical equal to half the dip. ... Headframe - The structure surmounting the shaft which supports the hoist rope pulley, and often the hoist itself. Heading - A vein above a drift. An interior level or airway driven in a mine. In longwall workings, a narrow passage driven upward from a gangway in starting a working in order to give a ...
Glossary of Mining Terms - Mineral
The main break occurs over the seam at an angle from the vertical equal to half the dip. ... Headframe — The structure surmounting the shaft which supports the hoist rope pulley, and often the hoist itself. Heading — A vein above a drift. An interior level or airway driven in a mine. In longwall workings, a narrow passage driven upward from a gangway in starting a working in order to give ...
Home | Quincy Mine
The #2 Shaft-Rockhouse will be lit on Wednesday, August 26th and also Thursday, August 27th, in honor of the Anniversary of the 19th Amendment by the Keweenaw National Historical Park, and Isle Royale National Park. Read more about #2 SHAFT ROCKHOUSE DEDICATION; What is your tie to the Quincy Mine? The ties are all placed in the tramroad with care, in hopes that many visitors will soon be ...
End Trucks & Bridge Drives | R&M Hoist
End trucks carry the hoist and crane up and down the crane runway. R&M end trucks and bridge drives are available in a variety of top and underrunning configurations that are custom-designed to fit your cranes application. RTN & RSN Top Running End Trucks. Mates with GES Bridge Drives; Heavy-duty tube or box construction; Double flanged wheels; Rotating axle drive wheel; Standard wheels are ...
Montana DEQ > Land > abandonedmines > …
The Josephine Gold Mining Company incorporated in 1932. In 1935 the Josephine was reported to be in development with five men employed in a 200 foot incline shaft with 1,000 feet of drifts and crosscuts. The underground was supported by an air hoist, pumping plant, compressor, machine shop, boarding house and bunk house. From 1937 to 1939 the ...
Montana DEQ > Land > abandonedmines > …
The main shaft was equipped with a 54-inch diameter single drum electric hoist which was powered by a 52-horsepower induction motor. An Ingersoll Rand Imperial XCB compressor, driven by a 52-horsepower induction motor, provided 813 cubic feet of air per minute to the mine workings. All the drills used in the mine were powered by the compressor. The West Lone Pine began shipping ore in 1933 …
Styldrift | Royal Bafokeng Platinum
The shaft system is linked to the up-dip and down-dip on-reef roadway clusters on both the reef horizon and the footwall level. Ore handling is effected through a network of onreef conveyors and footwall dip conveyors. Two 22-tonne rock skips will be used to hoist the ore to the surface via the Main shaft.
Michigan-Iron-Mines - Mining Artifacts
This Shaft designated as the "C" Shaft, was located between the older two shafts and was marked by a 174 foot tall structure. The Sweden designed head frame contained three of Americas first Koepe hoist systems. The system worked on a counterweight system, which each skip or cage was balanced with a counter weight, and the hoist cables passed over shive wheels rather than on and off a large ...
Condra | Condra Cranes & HoistsCranes and Hoists
Condra is organised around four main divisions: Design, Manufacture, Service and Sales. Cranes are designed and manufactured up to an including heavy duty Class 4, and to the standards of ISO, GOST and other internationally recognised quality control bodies. Stringently applied standards of manufacture ensure that we deliver cranes and hoists without equal in terms of quality, price and ...
Durham Mining Museum - Mining Occupations
See also Modern Mining Occupations — a list of Occupations and stone ... flats, or stations, whence they are taken by horses or machinery along the main or rolley-ways to the shaft. Before the application of tramways underground, coals used to be conveyed underground on sledges, and afterwards on barrows, whence the name. Bottomer : 1894: Person employed to attend to bottom of shaft Brakemen ...
Company A-Z - Mining Technology | Mining …
A. A J Charnaud & Co., Protective Clothing for Hazardous Materials AAMCOR LLC, Mining Drills and Drill Equipment Abacus Engineering Solutions, Lifting and Winching Equipment for the Mining Industry ABB, Power Distribution, Drives, Process Control and Optimization ABB AB, Mine Hoist Systems ABEM Instrument, Geophysical Solutions for Cost-Effective Mineral Prospecting
Home | Radicon Drive Systems - An elecon group …
Welcome to Radicon Drive Systems, Inc. Radicon is one of the world’s leading manufacturers of gearing and drive technology. With over 60 years of experience, Radicon is a market leader in the design and manufacture of geared motors, industrial reducers, screw jacks, and couplings.
1 Bonnie Clair Road, Goldfield, NV 89013
Power House with main generator. Gold mine tunnel with small secure storage / work area and rail-car access. The Land and Mining Claims: The Hard Luck Castle is built on 40 acres of patented private land. situated 9 miles off Hwy. 267 in Esmeralda County, NV. 187 …
Jaure
MT Couplings. The Jaure<sup>®</sup> MT coupling is a steel double-joint coupling. Main function is to transmit torque and at the same time accommodate the misalignment between two shafts through sliding of the mating gears.
End of Empire mine, ‘end of the life’ - Detroit News
08.05.2016 · Defunct mining towers cast a shadow over Ishpeming’s 6,400 residents. The Cliffs Shaft Mine, now a Michigan State Historic Site, was once one of …