Support for a carriage body on a chassis

B - Operations – Transporting – 61 – F

Patent

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Details

B61F 5/14 (2006.01) B61F 5/02 (2006.01)

Patent

CA 2218252

The invention is based on a support for a carriage body (11) on a chassis, especially a chassis (10) of a rail vehicle, with a rocker post (12) fitted between the chassis (10) and the carriage body (11) which is supported via a lower link on the chassis (10) and on which the carriage body (11) is supported via an upper link in the form of a curved contact joint. To reduce wear on the upper link, the rocker post (12) comprises a first support component (13) and a second support component (14) arranged between the first component (13) and the carriage body (11). In addition, a bearing surface of the carriage body (11) lies on a first bearing surface (27) of the second support component (14) and a second bearing surface (28) of the second support component (14) lies on a bearing surface (32) of the first component (13). At least one of the two contacting bearing surfaces (27, 30, 28, 32) is cylindrical and the support between a pair of bearing surfaces is linear. Finally, the generatrices of the at least one cylindrical bearing surface (32) between the first (13) and second (14) support components run secured against rotation perpendicularly to the generatrices of the at least one cylindrical bearing surface (27) between the second support component (14) and the carriage body (11).

L'invention se rapporte à un appui sur châssis pour caisse de wagon (11), et plus particulièrement sur le bogie (10) d'un véhicule ferroviaire, avec support oscillant (12) entre le châssis (10) et la caisse de wagon (11). Ce support oscillant prend appui sur le châssis (10) au moyen d'une articulation inférieure, la caisse de wagon (11) prend appui sur ce support au moyen d'une articulation supérieure sous forme d'articulation de contact à surface courbe. Pour réduire l'usure de l'articulation supérieure, le support oscillant (12) comprend un premier élément d'appui (13) et un second élément d'appui (14) monté entre le premier élément d'appui (13) et la caisse de wagon (11). En outre, une surface portante (30) de la caisse de wagon (11) repose sur une première surface portante (27) du deuxième élément d'appui (14), et une deuxième surface portante du second élément d'appui (14) repose sur une surface portante (32) du premier élément d'appui (13). L'une au moins des deux surfaces portantes (27, 30, 28, 32) en contact est de forme cylindrique, et la face de contact entre une paire de surfaces portantes est de forme linéaire. Enfin, les génératrices d'au moins une surface portante cylindrique (32) entre le premier élément d'appui (13) et le second (14) sont définies de manière à éviter toute rotation et sont perpendiculaires aux génératrices d'au moins une surface portante cylindrique (27) située entre le second élément d'appui (14) et la caisse de wagon (11).

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