PACKING UNIT OF ROLL JOURNAL Russian patent published in 2005 - IPC

FIELD: packing unit of journal of roll in bearing assembly on lubricating pad for roll of rolling mill.

SUBSTANCE: roll has journal having intermediate cone portion ended by less diameter part. Journal is placed in case fastened relative to roll journal and mounted with possibility of rotation in sleeve. Packing of journal may be placed in cone portion of roll journal for rotating together with it in position embedded to sealing end plate secured to said pad. Packing unit includes elastic annular body having distributed in axial direction and extending outside along radius first and second flanges. Configuration and size values of said flanges provide sealing contact with sealing end plate. First and second distributed in axial direction ridges extend along radius inside from annular body in order to provide contact with cone portion of roll journal. Said ridges are leveled along radius and they are joined in radial direction with first and second flanges through three-dimensional intermediate parts of packing unit body.

EFFECT: prevention of oil leakage due to correct positioning of radial support for body of packing unit and due to joining of said support at lowered friction between case end and body of packing unit.

4 cl, 2 dwg