Patent ID: 6419172
Filing Date: 2002-07-16
Classification: B02C

Abstract:
A mobile crusher including a feeder and a crusher member each set drivably on a mobile vehicle body, which feeds a material to be crushed, which is placed on said feeder from an outside, into an inside of said crusher member from an upper opening of said crusher member by drive of said feeder, crushes the same by drive of said crusher member, and discharges a crushed material from a lower opening of said crusher member to the outside, said mobile crusher further comprising:(a) target crushing amount setting means for setting a target crushing amount A2 per unit time of said crusher member; (b) actual crushing amount detecting means for detecting an actual crushing amount B per unit time of said crusher member; (c) means for detecting an amount of a material to be crushed, which detects an amount H of the material to be crushed inside said crusher member; and (d) control means for receiving a target crushing amount A2 from said target crushing amount setting means, an actual crushing amount B from said actual crushing amount detecting means, and the amount H from said means for detecting the amount of the material to be crushed, and controlling a driving speed V of said feeder changeably based on said reception amounts A2, B and H.