Cone crusher having positive head hold-down mechanism

Details Cone crusher having positive head hold-down mechanism Cone crusher having positive head hold-down mechanism

B - Operations, Transporting

02

C

B02C 2/04 (2006.01)

Patent

CA 2257360

A gyratory crusher having a positive head hold-down mechanism. The crusher includes a frame structure; a first mounting arrangement including a pair of taper bearings for rotatably mounting an eccentric member to the frame structure about a vertically oriented first axis; a second mounting arrangement including a spherical bearing for spiderlessly and rotatably mounting a main shaft to the eccentric member about a substantially vertically oriented second axis angularly offset from the first axis; a crusher head mounted on said main shaft; drive means including a bevel gear secured to the eccentric member and a drive pinion arrangement for rotating said eccentric member about the first axis; a hold-down mechanism fixedly mounted to the crusher head for preventing vertical displacement of the crusher head relative to the a plurality of hydrostatic bearings operably supporting the crusher head; and seal means for protecting moving components of the crusher.

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