Retaining arrangement for a bearing, in particular for a...

F - Mech Eng,Light,Heat,Weapons – 16 – C

Patent

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F16C 35/063 (2006.01) F01D 25/16 (2006.01)

Patent

CA 2310110

The invention concerns an arrangement for retaining a stub shaft (113) bearing (14) comprising a stop (117), a nut (121) and a braking part (124) preventing the nut (121) from rotating involuntarily. When the shaft (33) located in the cavity (12) is dismantled by being pulled towards the right, the braking part (124) can be reached, (124), removed, then the screw (121) loosened and be removed in turn: the stub shaft (113) is released and can be detached without having to dismount another stub shaft (34) located opposite the stub shaft (113) and the retaining arrangement. The stub shaft (113) can belong to a high pressure compressor of an aircraft engine gas turbine.

L'agencement de retenue d'un palier (14) de bout d'arbre (113) comprend une butée (117), un écrou (121) et une pièce de freinage (124) interdisant les rotations involontaires de l'écrou (121). Quand l'arbre (33) occupant la cavité (12) est démonté en le tirant vers la droite, on peut accéder à la pièce de freinage (124), la retirer, puis dévisser l'écrou (121) et le retirer à son tour. le bout d'arbre (113) est dégagé et peut être démônfé sans qu'il soit nécessaire de démonter encore un bout d'arbre (34) situé en face du bout d'arbre (113) et de l'agencement de retenue. Le bout d'arbre (113) peut appartenir à un compresseur à haute pression de turbomachine de moteur d'avion.

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