Steering of mining machines

Details Steering of mining machines Steering of mining machines

1984-06-21

1987-02-17

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Automatic control; signaling or indicating

Of hard material disintegrating machine

299 42, E21C 2724, E21C 3508

Patent

active

046434828

ABSTRACT:
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 drum reach each desired reference location. The cutting horizon of each drum is sensed at each reference location and steering corrections applied if necessary.

REFERENCES:
patent: 4008921 (1977-02-01), Czauderna et al.
patent: 4155594 (1979-05-01), Hartley et al.

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