Bearing device for the rotor of a rotating machine

H - Electricity – 02 – K

Patent

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Details

H02K 7/08 (2006.01) F03B 11/06 (2006.01) F16C 35/00 (2006.01) F16C 35/02 (2006.01) H02K 5/16 (2006.01)

Patent

CA 2436577

A bearing arrangement for the rotor of a rotating machine, in particular of a hydrogenerator rotating about a vertical axis, comprises a combined axial and radial bearing which is accommodated in a bearing body, on which supporting arms are arranged for absorbing axial forces. The supporting arms are supported with the free ends on a load-bearing base. Tangentially oriented connecting elements are additionally provided between the bearing body and a foundation, enclosing the rotor, for absorbing radial forces and for centering the bearing, which connecting elements are fastened at a first end to the foundation and are fastened at a second end to articulation points arranged directly on the bearing body. This results in a material-saving construction, optimization of the individual bearing functions, and improved adjustability.

L'invention concerne un dispositif palier pour le rotor d'une machine tournante, en particulier d'un générateur hydraulique (20) tournant autour d'un axe vertical. Ce dispositif comprend un palier axial et radial combiné (23), logé dans un corps (24) de palier, sur lequel des bras support (27) sont agencés pour la réception de forces axiales. Ces bras support (27) s'appuient avec leurs extrémités libres sur une base stable. Des éléments de liaison (29) supplémentaires orientés de manière tangentielle sont agencés entre le corps (24) de palier et un bâti (21) entourant le rotor pour la réception de forces radiales et le centrage du palier. Ces éléments sont fixés au niveau d'une première extrémité sur le bâti (21) et au niveau d'une seconde extrémité sur des points d'articulation (31) agencés directement sur le corps (24) de palier. La présente invention permet d'obtenir une construction économe en matériau, une optimisation de chaque fonction de palier ainsi qu'un capacité d'ajustement améliorée.

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