Gyratory crusher spider arm shields

摘要

A gyratory crusher comprising a spider supported at a top shell (101), the spider having a pair of spider arms (110) protected by respective arm shields (120). The shields (120) are conveniently mounted and dismounted at the respective arms (110) via a locking flange (210) and notch (202) and lug arrangement (203) to avoid attachment by welding or attachment bolts.