Locking device for use with shafts or tubes

Details Locking device for use with shafts or tubes Locking device for use with shafts or tubes

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 1/08 (2006.01) F16C 35/06 (2006.01) F16C 35/063 (2006.01) F16C 35/067 (2006.01)

Patent

CA 2244068

A locking device for clamping onto a shaft (10) is composed of a collar (19) and a ring (3, 17) fitted onto the shaft (10). The collar (19) has an end wall (25) and an axial region (18) extending over an outer inclined contact surface (20) of the ring (13, 17). The ring (13, 17) and the collar end wall (25) have inner surfaces (9, 22) confronting the outer surface of the shaft (10) which are separated by sliding radial surfaces (50) of the collar (19) and the ring (13, 17). Screw threaded elements (21) set in threaded bores (6) in the axial region (18) of the collar (19) can be tightened against the outer surface (20) of the ring (13, 17) to cause contact zones (24, 26) of the inner surfaces (9, 22) to exert clamping force on the shaft (10) at diametrically opposed positions. The screw-threaded elements (21) and the bores (6) adopt non-radial dispositions relative to the axis of rotation (P).

Un dispositif destiné à être serré sur un arbre (10) est composé d'un collier (19) et d'un anneau (13, 17) ajusté sur l'arbre (10). Le collier (19) possède une paroi d'extrémité (25) et une région axiale (18) s'étendant au-dessus d'une surface de contact extérieure inclinée (20) de l'anneau (13, 17). L'anneau (13, 17) et la paroi d'extrémité du collier (25) possèdent des surfaces intérieures (9, 22), faisant face à la surface extérieure de l'arbre (10), qui sont séparées par des surfaces radiales coulissantes (50) du collier (19) et des anneaux (13, 17). Des éléments filetés (21) en place dans des trous filetés (6) dans la région axiale (18) du collier (19) peuvent être serrés contre la surface extérieure (20) de l'anneau (13, 17), ce qui amène les zones de contact (24, 26) des surfaces intérieures (9, 22) à exercer une force de serrage sur l'arbre (10) à des emplacements diamétralement opposés. Les éléments filetés (21) et les trous (6) adoptent des dispositions non radiales par rapport à l'axe de rotation (P).

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