Supporting structure of a ring gear supporting member in a...

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

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F16H 1/28 (2006.01) F16H 57/08 (2006.01)

Patent

CA 2143546

A planetary gear device P includes a planetary carrier 3 integrally provided with a shaft portion 3 1, a ring gear supporting member 7 having a ring gear 6 fixedly mounted on the outer periphery thereof, and an output member 10 spline-connected to the outer periphery of the shaft portion 3 1. The right side of the ring gear supporting member 7 is supported on the left side of the planetary carrier 3 through a first thrust bearing 13, and the left side of the ring gear supporting member 7 is supported on the right side of a washer 15 through a second thrust bearing 16 secured to the shaft portion 3 1 of the planetary carrier 3 by means of a circlip 14. With this arrangement, it is possible to subside vibrations transmitted from the ring gear supporting member 7 of the planetary gear device P to the output member 10, to improve the mounting property of the planetary gear device P and to facilitate the management of dimensions of parts.

Un dispositif d'engrenage planétaire P comprend un support planétaire 3 muni intégralement d'une partie d'arbre 3 1, un pignon de commande de la couronne de train planétaire 7 muni d'une couronne 6 fixée à l'extérieur du pignon et une pièce de sortie 10 jointe par une clavette à l'extérieur de la partie de l'arbre 3 1. Le côté droit du pignon de commande de la couronne est soutenu par le côté gauche du support planétaire 3 à travers le premier palier à butée 13, et le côté gauche du pignon de commande de la couronne 7 est soutenu par le côté droit d'une rondelle 15 d'un second palier à butée 16 attaché à une partie de l'arbre 3 1 du support planétaire 3 au moyen d'un circlip 14. Avec ce montage, il est possible d'atténuer les vibrations transmises par le pignon de commande de la couronne 7 du dispositif d'engrenage planétaire P à la pièce de sortie 10 pour améliorer les propriétés de montage du dispositif d'engrenage planétaire P et faciliter la gestion des dimensions des pièces.

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