METHOD OF CRUSHING CONCRETE BLOCK AND CONCRETE BLOCK CRUSHER

摘要

PROBLEM TO BE SOLVED: To effectively crush a large sized concrete block to a size capable of being nibbled by a small-sized nibbler. ;SOLUTION: In this crusher, height of a load receiver board 1 is adjusted by a hydraulic lift jack and concrete blocks B conveyed by a transfer means T such as damp track or the like are directly drawn or pushed near by a hydraulic slide jack 2 so as to be loaded. One of hydraulic crusher jacks 3 having claws provided on tip ends formed in a plurality of steps in a vertical direction above the load receiver board 1 is operated and the concrete blocks are crushed repeatedly and sequentially from a top side and from an end side so that the concrete blocks are crushed.;COPYRIGHT: (C)1999,JPO