Unsprung third rail collector beam support for a swing arm...

B - Operations – Transporting – 61 – C

Patent

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Details

B61C 17/00 (2006.01) B60L 5/38 (2006.01) B60M 1/30 (2006.01) B61F 5/26 (2006.01)

Patent

CA 2360450

An electric railway truck (10) comprises an unsprung third rail collector beam (14) for a swing arm primary suspension. The collector beam (14) and attached current collector (12) are mounted to the truck frame (20) through the use of mounting adapters (22), links (30), and elastomeric bushings (28). Specifically, in the vicinity of the swing arm axle housings (18), the collector beam (14) is secured to the mounting adapters (22) which, in turn, are suspended below the respective axle housings (18) by the links (30) and accompanying elastomeric bushings (28). The torsional deflection of the elastomeric bushings (28) permit the links (30) to swing in the longitudinal direction, thereby accommodating the relatively larger angular and longitudinal axle housing motions created by a swing arm primary suspension.

Cette invention se rapporte à un bogie électrique (10) qui comprend une poutre de collecteur de troisième rail non suspendue (14) pour une suspension primaire à bras oscillant. La poutre de collecteur (14) et le collecteur de courant (12) associé à elle sont montés sur le châssis (20) du bogie, par l'intermédiaire d'adaptateurs de montage (22), de liens (30) et de bagues élastomères (28). Plus spécifiquement, la poutre de collecteur (14), à proximité des boîtes d'essieu (18) du bras oscillant, est fixée aux adaptateurs de montage (22) qui, à leur tour, sont suspendus sous les boîtes d'essieu correspondantes (18) par des liens (30) et des bagues élastomères associées (28). La déflexion par torsion des bagues élastomères (28) permet aux liens (30) d'osciller dans le sens longitudinal, autorisant ainsi des mouvements des boîtes d'essieu angulaires et longitudinaux relativement plus amples, créés par la suspension primaire à bras oscillant.

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