| 摘要 |
<p>A vertical shaft impact crusher is provided comprising a housing, a rotor mounted within the housing for rotation about a vertical axis and having means for propelling incoming rock outwardly against a breaker ring to be crushed, wherein the crusher is capable of easy and fast conversion between autogenous and anvil impact crushing by virtue of two forms of replaceable breaker rings, one of which is adapted to hold a bed of rock for autogenous impact crushing and the other of which is adapted to hold a series of interchangeable anvils adapted for impacting an incoming flow of rocks. The breaker rings of the present crusher are further provided with lifting means and hoist for easy replacement.</p> |
