SNOW ACCUMULATION PREVENTION DEVICE AND FLOW GUIDING FOR TROLLEY AND RAIL VEHICLE Russian patent published in 2022 - IPC B61F19/06 E01H8/04 

FIELD: railway transport.

SUBSTANCE: inventions group relates to the field of railway transport, in particular, to devices preventing the accumulation of snow and directing the flow of snow, as well as to rail vehicles, the bogies of which are equipped with such devices. The device contains a drive mechanism and three plates for directing the snow flow. The two sides of each plate are connected by retractable/retractable sections. A sealing plate is installed on top of the first and third plates. The plates enclose the sealing areas. The upper ends of the first and third plates can be rotated about the fixed points. The dots are located on the top sealing plate or on the vehicle body. The lower end of the first plate is rotatably connected to the second plate. The second and third plates are connected telescopically. The drive is able to drive the plates to open and close them. The plates are mounted on the vehicle body frame at the front and rear ends of each bogie symmetrically with respect to the bogie axis. When the devices located in front of the trolley are opened, the devices located at the back of the trolley are closed.

EFFECT: reliability of vehicle operation is increased.

10 cl, 7 dwg, 2 tbl