B - Operations – Transporting – 61 – K
Patent
B - Operations, Transporting
61
K
B61K 9/08 (2006.01) E01B 35/00 (2006.01) G01C 7/04 (2006.01)
Patent
CA 2640565
The twist of a railway track (36) can be measured with a vehicle which includes a frame (25). This frame (25) carries a roll sensor (40) to measure the rate of roll (w) about a longitudinal axis, and sensors (38) to monitor the variations in the relative tilt between the frame (25) and the rails (35). The signals from these sensors (38) and (40) enable the changes in cant (.DELTA.c) between one instant and the next to be determined, and so the twist of the track can be calculated by summing successive changes in cant. This method of determining twist can operate at substantially any vehicle speed, and gives consistent measurements in real-time.
Le flambage d'une voie ferrée (36) peut se mesurer au moyen d'un véhicule comprenant un châssis (25). Ce châssis (25) porte un capteur à galet (40) qui mesure le taux de roulement (w) sur un axe longitudinal et des capteurs (38) contrôlant les écarts d'inclinaison relative entre le châssis (25) et les rails (35). Les signaux émis par ces capteurs (38) et (40) permettent de mesurer les variations de dévers (.DELTA.c) entre un instant donné et l'instant suivant et donc de calculer le flambage par totalisation des changements de dévers successifs. Ce procédé de détermination du flambage convient peut s'utiliser à pratiquement n'importe quelle vitesse et fournit des relevés homogènes en temps réel.
Deltarail Group Limited
Gowling Lafleur Henderson Llp
LandOfFree
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