CONICAL CRUSHER FRAME Russian patent published in 2016 - IPC B02C2/04 

FIELD: disintegrators and devices for crushing.

SUBSTANCE: conical crusher (10) includes frame (40) with upper (41) and lower (42) parts and grinding head (70) with possibility of rotation around substantially vertical shaft (60). Lower part of frame comprises hub (43) with seat (64) of drive ring. Hub comprises centrally located through hole (404) with central axis (80). Central axis extends through said hole (404) and hub. Hole is made with possibility of interaction with shaft. Shaft is arranged to rotate in said hole. Hub is connected by means of arms (44) to lower part of frame. Hub comprises waist part (402) with thickness in radial direction from central axis which is greater than width of seat of drive ring. Change in design of hub provides maintenance of increased crushing force and stresses.

EFFECT: invention enables to increase crushing force while maintaining external dimensions of crusher for assembly on foundation from corresponding old crusher during replacement.

10 cl, 10 dwg