Longwall mining installation having stable-hole plough

Details Longwall mining installation having stable-hole plough Longwall mining installation having stable-hole plough

1979-11-13

1981-07-21

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

299 43, E21C 2734

Patent

active

042794455

ABSTRACT:
A longwall mineral mining installation has a longwall conveyor, a plough guide attached to the face-side of the conveyor, and a main plough movable to and fro along the guide. A respective stable-hole plough is movable to and fro along portions of the plough guide adjacent to each end of the conveyor. Each stable-hole plough is driven by means of a respective endless drive chain which passes round two end sprockets. One end sprocket of each stable-hole plough is positioned at the face-side of the conveyor part way therealong. The other end sprocket of each stable-hole plough is positioned at the adjacent end of the conveyor on the goaf-side thereof. Each drive chain passes round a direction-changing unit positioned at the adjacent end of the conveyor.

REFERENCES:
patent: 4154479 (1979-05-01), Braun et al.
patent: 4180291 (1979-12-01), Lobbe et al.

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