| 摘要 |
<p>A crushing structure of a crusher, comprising laterally expanding pieces (8, 8) for crushing, a wedge (6) held between the laterally expanding pieces and expanding the laterally expanding pieces, and a hydraulic cylinder (3) moving the wedge forward and backward, wherein a sector connection part (11) is formed at the base end part of the wedge, spearhead-like tip press-opening parts (14, 14) having a tip end formed in spearhead shape are formed at the tip part thereof, spearhead-like intermediate press-opening parts (13, 13) formed in spearhead shape are formed on the upstream side of the tip press-opening parts, both side faces of the connection part, tip press-opening part, and intermediate press-opening part are formed in tapered surfaces with the same angle, and a tapered surface of the same shape as the tapered surface of the wedge is formed on the inner surfaces of the laterally opening pieces, whereby a large crushing force can be provided by transmitting the expanding force of the wedge to the entire laterally expanding pieces.</p> |
