Gyratory crusher bottom shell assembly and arm liners

摘要

A gyratory crusher bottom shell and bottom shell assembly in which protective liners are mounted over and about respective support arms (106) that extend radially between the bottom shell wall and a central hub (107). The support arms (106) comprise a seat or saddle region with at least a part of the liner positioned in contact with and supported by the seat to distribute the mass of the liner radially between the hub (107) and the shell wall and to reduce tension in the primary attachment bolts.