Patent ID: 7303159

Claim:
A crushing control apparatus for a shearing crusher for shearing and crushing objects with cutters mounted on a plurality of rotatable rotary shafts, comprising: mode selecting means for selecting one of a plurality of modes that correspond respectively to kinds of said objects to be crushed; memory means for storing a control condition of said rotary shafts for each of said plurality of modes; control means for reading out the control condition corresponding to the selected mode from said memory means, and for setting a rotation speed of said plurality of rotary shafts in accordance with the read out control condition; and a direction control valve for switching between a normal rotation direction and a reverse rotation direction of said hydraulic motor, wherein said kinds objects to be crushed comprise at least one of straw matting, a tire, and a pallet, wherein said control means controls a hydraulic motor for driving said rotary shafts, and wherein said control means controls a position of said direction control valve and a holding time in the position.