Brake for a rail vehicle

B - Operations – Transporting – 60 – T

Patent

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Details

B60T 11/04 (2006.01) B61H 13/02 (2006.01)

Patent

CA 2689530

Disclosed is a hand brake mechanism for a rail vehicle. The hand brake is operated by rotation of one of a pair of hand wheels (70,75). Rotation of the hand wheel causes rotation of a screw (62) within brake actuator (60), which in turn moves a nut (66) in a linear manner. Movement of the nut causes a pair of cables (40 and 50) to operate two wheel brake mechanisms (30), one on each wheel of an axle (20). Cable (50) is operated by pushing or pulling its inner part (54) whereas cable (40) is operated by pushing or pulling its outer sheath (42) while its inner part (44) is held at the actuator (60). This action causes a corresponding pushing or pulling at the cable's brake mechanism end.

L'invention concerne un mécanisme de frein à main pour véhicule ferroviaire. Le frein à main est actionné par la rotation d'un des deux volants existants (70, 75). La rotation du volant provoque la rotation d'une vis (62) à l'intérieur d'un actionneur de frein (60), qui à son tour déplace un écrou (66) d'une manière linéaire. Le mouvement de l'écrou amène une paire de câbles (40 et 50) à actionner deux mécanismes de frein de roue (30), un mécanisme étant respectivement situé sur chaque roue d'un essieu (20). Le câble (50) est actionné par poussée ou traction de sa partie interne (54) tandis que le câble (40) est actionné par poussée ou traction de sa gaine externe (42) alors que sa partie interne (44) est retenue au niveau de l'actionneur (60). Cette action provoque une poussée ou une traction correspondante au niveau de l'extrémité de mécanisme de frein du câble.

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