IMPROVEMENTS IN AND RELATING TO GYRATORY CRUSHER WEAR LINERS

摘要

The gyratory crusher includes a bowl which defines a chamber for receiving frangible or friable material to be crushed and a discharge opening at its base for discharge of crushed material. A crushing head is mounted in the bowl and a drive assembly is operable for driving the crushing head for imparting gyratory motion to the head about a gyratory axis inclined with respect to and intersecting said central axis. Frangible or friable material received into the chamber is subjected to crushing between the bowl and the head by the gyratory motion. The bowl includes a first assembly, having an outer peripheral member which is a structural part of the crusher and an inner peripheral member which is co-axially mounted within the outer member and defines a bowl liner. The head includes a second assembly, having an outer peripheral member which defines a head liner, and an inner peripheral member which is a structural part of the crusher and on which the head liner is co-axially mounted. In at least one of the first assembly and the second assembly, the respective members are configured such that they are able to be moved into or out of co-axial relationship by relative axial movement therebetween, with the at least one assembly including means for releaseably retaining its members in assembly.