B - Operations – Transporting – 61 – K
Patent
B - Operations, Transporting
61
K
B61K 9/12 (2006.01) G01B 5/02 (2006.01) G01B 5/20 (2006.01) G01B 5/207 (2006.01) G01M 17/10 (2006.01)
Patent
CA 2379576
During use, a wheel of a railway vehicle may become out of round, which will be detrimental to both the vehicle suspension and the railway track. The shape of such a wheel may be monitored to detect any such out of roundness, while the wheel is rolling, by measuring how far the flange of the wheel projects below the upper surface of the rail. This may be achieved by mounting a rigid bar (24) alongside the rail (10), the bar (24) being supported resiliently so as to be depressed by a flange of a wheel (40), and by measuring the vertical displacement of the bar. The bar (24) may be supported by a plurality of flat leaf springs (26), which are inclined to the horizontal at for example 30~. This ensures that the bar (24) remains substantially parallel to the top surface of the rail (10) when depressed by the flange of a wheel (40).
A la longue, une roue de véhicule ferroviaire peut présenter un faux-rond, ce qui est préjudiciable à la suspension du véhicule et aux rails. On peut contrôler la forme de la roue et déceler cet état de faux-rond en cours de roulement, par une mesure de la distance de projection du boudin de roue au-dessous de la surface supérieure du rail. A cet effet, une barre rigide (24) est montée le long du rail (10), cette barre (24) étant soutenue de manière souple afin de subir une dépression sous l'action du boudin de la roue (40), et on mesure le déplacement vertical de la barre (24), laquelle peut être soutenue par une pluralité de ressorts à lames multiples (26), inclinés par exemple de 30· par rapport à l'horizontale. Ainsi, la barre (24) reste sensiblement parallèle à la surface supérieure du rail (10) lorsqu'elle subit la dépression susmentionnée sous l'action du boudin de la roue (40).
Kay Christopher James
Rasaiah Winston Gehan
Villanueva-Leal Alberto
Aea Technology Plc
Gowling Lafleur Henderson Llp
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