HYDRO-PISTON DEVICE FOR PROVIDING FREE PASSAGE, SLOWING, STOPPING AND FIXING RAILWAY CARS ON STATION PARK TRACKS Russian patent published in 2023 - IPC B61K7/08 

FIELD: auxiliary railway equipment.

SUBSTANCE: invention relates to auxiliary railway equipment for automatic control of free passage, slowing down, stopping and fixing of cars of rolling stock installed in stationary parks, operating on unmanned technology. The hydraulic piston device includes two hydraulic cylinders installed on one side of the rail, with the possibility of interaction between the pistons of the hydraulic cylinders and the flanges of the wheel sets, and the piston cavities of the hydraulic cylinders are connected by a pipeline with two throttles placed on it, between which a three-position remote-controlled hydraulic distributor is installed, and the minimum distance is B_min between the first and second hydraulic cylinders is determined depending on the radius R of the wheel along its crest, the piston stroke t of the hydraulic cylinder and the gap C between the piston, which moves to the uppermost position in the hydraulic cylinder housing, and the contact point located on the surface of the circumference of the wheel flange, determined empirically .

EFFECT: simplification of the device for securing trains on the railway, which will increase the productivity of shunting operations, organize a remote control system and increase the safety of station work.

1 cl, 6 dwg