F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
64/21
F16D 1/06 (2006.01) B21B 35/14 (2006.01) F16D 3/18 (2006.01)
Patent
CA 1068924
Abstract of the Disclosure The present invention relates to couplings and, more parti- cularly, to spindle couplings of the type used in connecting a powered prime mover to the rolls of a rolling mill or connecting the pinion stand to the rolls, as well as to like apparatus. The usual type of spindle coupling presently employed in rolling mill practice includes a coupling sleeve at each end of a spindle shaft. The coupling sleeve at one end connects drivingly to a prime mover or pinion stand and at the other end to the spade end of a roll in the rolling mill. When it is necessary to change a roll in a mill, the roll is withdrawn from the roll-end coupling sleeve and a new roll is inserted into the coupling sleeve. When the roll is withdrawn, the coupling sleeve, acting under the influence of gravity, tends to sag and thereby become misaligned axially with the spindle. The coupling sleeve is so misaligned that it is difficult to insert the roll spade end thereinto unless the coupling sleeve is raised by applying an external force to it, which is costly and time consuming. In the present invention, a roll-end spindle coupling comprises a thrust ring having a spherical surface that coats with a flex hub and is maintained in such coacting relation by an end ring secured to the roll-end coupling sleeve. In this way an aligning thrust force acts continually between the hub and a thrust ring, and axial movement of the roll relative to the spindle does not result in axial movement of the coupling sleeve. Also, no thrust is imposed on connected thrust bearings and no bearing failures can result from axial thrust forces.
265736
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