HIGH-SPEED TRAIN AXLE BOX UNIT Russian patent published in 1999 - IPC

FIELD: railway transport. SUBSTANCE: axle box unit has housing with side bosses for fixing on car bogie and is provided with labyrinth part and stiffening ribs. Labyrinth ring is installed on axle. front and rear antifriction bearings are secured by end face plate on axle neck by means of fasteners and fastening cover. Axle box unit has inspection cover. Housing, in its upper ceiling part, has bosses with through holes in which S-shaped tubes are rigidly secured flush with inner seating surface for bearings. Tubes are arranged at angle to outer generating surface of housing. EFFECT: increased service life of axle box unit of high-speed train. 3 dwg