| 摘要 |
A gyratory crusher comprises a crushing head (12) on which a first crushing shell (16) is mounted, and a frame on which a second crushing shell is mounted. The second crushing shell defines, together with the first crashing shell (16), a crushing gap. The gyratory crusher comprises a space (22) adapted to hold a liquid. The space (22)-is defined by a piston (2) and a cylinder (24), any one of said piston (2) and said cylinder (24) being formed at least partly of a substantially vertical shaft (2) around which the crushing head (12) is arranged. The space (22) is adapted to form, together with said liquid, a cushion (23), thereby enabling said cushion (23) to serve as a thrust bearing and transmit vertical forces from the crushing head (12) to the frame. |
