Bogies for railed vehicles

Details Bogies for railed vehicles Bogies for railed vehicles

B - Operations, Transporting

61

F

B61F 5/38 (2006.01) B61D 13/00 (2006.01) B61F 3/16 (2006.01) B61F 5/08 (2006.01) B61F 5/52 (2006.01)

Patent

CA 2047161

A bogie for rail vehicles, particularly commuter or short- haul vehicles, has two wheel sets spaced apart in the direction of travel. One wheel set is mounted upon a wheel mounting frame which is coupled to a tranverse member of the bogie frame by way of an intermediate beam member. The latter is coupled to the transverse beam member by means of a resilient pivot which permits cardanic movement. The coupling between the wheel mounting frame and the intermediate member comprises two coupling mechanisms spaced apart one each side of the longitudinal axis of the bogie and with their major axes inclined at an angle of between 10 and 40 degrees relative to the longitudinal axis of the bogie. The arrangement is such that a lateral force applied to one wheel of the set by a curved rail will be translated into a rotational force to rotate the wheel mounting frame and therewith the wheel set, to negate the aforesaid lateral force. Such an arrangement reduces wheel flange wear and the risk of derailment.

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