| 摘要 |
A gyratory crusher comprising a frame and a crushing head, which is arranged rotatably about a substantially vertical shaft, the frame comprising an upper frame portion, and a lower frame portion (42), which lower frame portion comprises a hub (43), which hub comprises a centralized arranged through hole (404) with a centre axis extending through said hole (404) and the hub, which hole is arranged to cooperate with the shaft being turnable arranged in said hole, which hub is connected by arms (44) to the lower frame portion (42) and comprises a drive ring pocket (64). The hub (43) further comprises a waist portion (402) with a thickness in a radial direction from the centre axis (80) being larger than the width of the drive ring pocket (64) of the hub. |
