A brake actuator for railway vehicles, comprising:- a main body (22) having a braking chamber (32),- a service braking piston (28) movable with respect to the main body (22) along a longitudinal axis (A),- a pair of levers (14) articulated to the main body (22) and bearing respective brake pads (18),- a transmission mechanism (46) including an auxiliary body (48), a pair of thrust elements (52) articulated to said levers (14), a pair of carriages (50) movable with respect to the auxiliary body (48) along a transverse direction (B) perpendicular to said longitudinal axis (A), and a pair of slack adjusters (74) each of which is disposed between a respective carriage (50) and a respective thrust element (52), wherein the transmission mechanism (46) comprises a floating member (56), which is free to pivot with respect to the service braking piston (28) about an axis (D) perpendicular to said longitudinal axis (A) and to said transverse axis (B), wherein the floating member (56) carries a first and a second pair of thrust bearings (58) which cooperate with cam surfaces (72) of said carriages (50).
A COMPACT BRAKE ACTUATOR FOR RAILWAY VEHICLES
KOMPAKTER BREMSAKTUATOR FÜR SCHIENENFAHRZEUGE
ACTIONNEUR DE FREIN COMPACT POUR VÉHICULES FERROVIAIRES
2020-07-29
Patent
Electronic Resource
English