DEVICE TO CENTRE GRINDING DISK OF GRINDER Russian patent published in 2011 - IPC B02C7/14 

FIELD: process engineering.

SUBSTANCE: invention relates to centring device for lignocelluloses grinder. Proposed device may be accommodated in grinder shaft assembly bearing support. Shaft assembly comprises rotary grinding disk, rotary shaft whereto grinding disk is attached, and housing of bearings wherein said shaft runs. Besides, device comprises first wedge-like element that may slide along earth surface and second element arranged between first one and shaft assembly bearing housing. Bearing housing thrusts on second said element. Note here that said second element may slide in direction across that of first element. First element shifts in sliding direction to displace second element in its sliding direction. Adjusting device comprises drive element arranged on one side of support and control shaft running from drive element to first wedge-like element. Control shaft revolves about its lengthwise axis and is attached to first element to revolve therewith. Note also that first elements may displace while drive element makes control shaft revolving.

EFFECT: reliable centring.

11 cl, 7 dwg