Steering of mining machines

Details Steering of mining machines Steering of mining machines

E - Fixed Constructions

21

C

262/81

E21C 35/08 (2006.01) E21C 35/10 (2006.01) E21C 35/24 (2006.01)

Patent

CA 1220233

ABSTRACT OF THE DISCLOSURE "STEERING OF MINING MACHINES" A double-ended ranging drum shearer is steered along a longwall face by using a series of spaced reference locations A, B, C, D, E, F, G, H, I..... The machine position is sensed so as to identify when the leading and trailing drums reach each desired reference location. The cutting horizon of each drum is sensed at each reference location and steering corrections applied if necessary.

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