Linear steering truck

B - Operations – Transporting – 61 – F

Patent

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Details

B61F 5/00 (2006.01)

Patent

CA 2524472

A linear steering truck apparatus (10) comprises a bolster member (20) having two ends. The bolster (20) is located along the transverse axis extending generally perpendicular to the longitudinal axis, and generally located between and parallel to the transversely extending axles (14,16). Side bearings 32,34 attach the linear steering truck (10) to the car body (12). A plurality of pedestals (26,27,28,29), each engages an axle bearing (30). The axle bearing (30) rotationally engages one end of a transversely extending axle (14,16). At least one pedestal (26-29) is movably attached to at least one other pedestal (26-29) situated in the same plane along the longitudinal axis. Steering component (90) is provided for performing car body steering, where the geometry of pivot points (63a,63b) from another axle to the bolster (20) forms a parallelogram. The pedestals (26-29) are pivotally connected so that a lateral force at one axle (14,16) is reacted by the other axle (14,16), wherein the car body (12) mass acts as a pendulum mass restoring force. The apparatus (10) is steered to the center of the track with either end of the truck leading after the trapezoid side yaws.

L'invention concerne en règle générale un bogie a essieux linéaire comprenant une traverse à deux extrémités, se trouvant le long de l'axe transversal d'extension généralement perpendiculaire, en règle générale entre les essieux transversaux et parallèle à eux, un système d'assemblage bogie-wagon, plusieurs socles, un socle fixé à un palier d'essieu, lui-même enclenché rotatif à une extrémité d'essieu transversal, et au moins un socle fixé mobile au moins à un autre socle dans le même plan que l'axe longitudinal, et un système de direction de wagon. La géométrie des points de pivot depuis un essieu vers la traverse et la géométrie des pooints de pivot depuis un autre essieu vers la traverse forme un parllélogramme, les socles étant relisé pivotants de sorte qu'une force latérale au niveau d'un essieu soit contrbalancée par l'autre essieu. Ainsi, la masse du wagon est une force de rétablissement de masse de pendule, et la conduite du dispositif s'effectue au centre de la voie, sachant que chaque extrémité du bogie s'aligne après les lacets trapézoïdaux.

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