Highwall mining system with driven conveyor units

Details Highwall mining system with driven conveyor units Highwall mining system with driven conveyor units

1994-07-11

1997-03-11

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

With material-handling means

105 3, 198303, 213 13, E21C 2900, B61G 510

Patent

active

056093977

ABSTRACT:
A highwall mining system for mining aggregate material from a seam includes both a mining device for cutting aggregate material from the seam and thereby forming a drive in the seam and a conveying device for conveying mined aggregate material from the drive. The conveying device is formed of a plurality of modular conveyor units having a mechanism for releasably coupling together the conveyor units. A driving device is used for driving the mining device and the conveyor device into the seam to form the drive. A controlling device is employed to control forward movement of the mining device and the conveying device so that the mining device and the conveying device can move together at a predetermined rate of advance into the seam without there being any uncontrolled forward movement of the mining device and/or the conveying device in response to the incline of the seam and/or during the addition of a new conveyor unit to the conveying device.

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patent: 3135502 (1964-06-01), Muehlman
patent: 3552580 (1971-01-01), Cope
patent: 3591017 (1971-07-01), Cope et al.
patent: 4014574 (1977-03-01), Todd
patent: 4953915 (1990-09-01), Jassar et al.
patent: 5232269 (1993-08-01), Addington et al.

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