Movable device for openpit mining

Details Movable device for openpit mining Movable device for openpit mining

1987-06-01

1988-10-18

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Percussive-type cutter

299 94, E21C 320, E21C 2728

Patent

active

047782218

ABSTRACT:
A movable device (1) for openpit mining has a plurality of excavating hammers (11) on a cantilever boom (2) being swivellable in height direction. For facilitating the continuous excavating work and for providing an adaptability to the varying angles of inclination encountered in openpit mining, at least part (23) of the carrier (6) or the carrier (6) itself is shiftable in transverse relation to the longitudinal axis (7) of the cantilever arm (2), so that on downward swivelling movement of the cantilever arm (2) in direction of the arrow (17) the whole carrier (6) or at least part (23) thereof can be shifted in transverse relation to the longidudinal axis (7) of the cantilever arm by a hydraulic cylinder-piston-aggregate (8), thereby maintaining a predetermined angle of inclination or angle of repose.

REFERENCES:
patent: 1475311 (1923-11-01), Miller
patent: 1866753 (1932-07-01), Comoletti
patent: 3999805 (1976-12-01), Lockwood
patent: 4025116 (1977-05-01), Roepke et al.
patent: 4243107 (1981-01-01), Shook
patent: 4664449 (1987-05-01), Barnthaler et al.

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