Patent ID: 9103209
Filing Date: 2015-08-11
Classification: E21C

Abstract:
1. A mining shearer system for removing material along a mineable distance relative to a mining environment, the system comprising: a rail assembly to support movement of a shearer carriage thereon, the shearer carriage having at least one rotatably driven cutter, said at least one cutter being positionable relative to the shearer carriage; a haulage motor in drivable engagement with the shearer carriage, the haulage motor being structured and arranged to move the shearer carriage along the rail assembly; an actuator supported by the shearer carriage, the actuator being structured and arranged to change a cutting height of the at least one cutter; a controller configured to control a velocity of the shearer carriage based on a translation speed of the cutter, a maximum speed of the shearer carriage, and a current and a desired height of the cutter.