Mobile mining machine and method

Details Mobile mining machine and method Mobile mining machine and method

E - Fixed Constructions

21

C

262/78

E21C 27/24 (2006.01) E21D 9/10 (2006.01) E21D 9/12 (2006.01)

Patent

CA 1218388

ABSTRACT A first mobile mining machine (10) for cutting mining tunnels in hard rock, which includes a horizontally swinging wheel-like cutterhead assembly (12) mounted on a crawler and base frame assembly (14). The cutterhead assembly (12) consists of a transverse horizontal axis wheel-like drum (16) on which are multiple peripherally mounted rolling cutter units (18). A second mobile mining machine (500) for cutting mining tunnels in hard rock, which includes a horizontally swinging and vertically ranging wheel-like cutterhead assembly (502) mounted on a crawler and base frame assembly (504). The cutterhead assembly (502) consists of a transverse horizontal axis wheel-like drum (506) on which are multiple peripherally mounted rolling cutter units (508). A method of cutting mining tunnels in hard rock which includes the steps of providing a wheel-like cutterhead assembly (12) for cutting the hard rock, rotating the cutterhead assembly (12) about its horizontal axis (AR), plunging the rotating cutterhead (12) forward into the hard rock, sweeping the rotating cutterhead assembly (12) sideward in a first horizontal direction through the hard rock, plunging the rotating cutterhead (12) forward into the hard rock, then sweeping the rotating cutterhead (12) sideward in the other horizontal direction, and then repeating the last four steps.

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