| 摘要 |
<p>The rock crusher comprises a base frame, a crusher head mounted on the base frame, a bowl on the frame associated with a head to form a crushing area, eccentric structure operable with the head to produce gyratory movement thereof upon rotation of the eccentric structure, support structure on the bowl supported on the base frame, the support means having vertically threaded connection with the bowl whereby upon rotation of the bowl it is raised or lowered, and bearing liners between the threads of the bowl and the support structure to reduce the unlocking force required to rotate the bowl. This permits ready adjustment, installation and removal of the bowl.</p> |
