AXLE BOX HOUSING OF FREIGHT CAR BOGIE Russian patent published in 2025 - IPC B61F15/20 B61F5/26 

FIELD: railways.

SUBSTANCE: invention relates to railway freight car bogie axle box. Freight car bogie axle box housing represents a steel casting and has a stepped cylindrical hole in the centre to accommodate a bearing assembly of a wheel pair. Housing has bosses with support surfaces for installation of side frame, combined with each other by means of longitudinal stiffening ribs. Housing has thrust limiters of longitudinal and transverse movements of side frame axle box opening. Housing has lugs with threaded holes arranged on front end surface and intended for attachment of attachment and inspection covers. Each pair of longitudinal and transverse limiters has a common base in form of a platform moulded on the outer surface of the cylindrical wall of the axle box housing. Lower plane of limiters is located not lower than centre of mounting diameter for installation of bearing assembly of wheel pair. Limiters are arranged with height from 60 to 80 mm. Conjugation radius of the inner wall surface of the transverse limiter with the base is in range of 11 to 13 mm.

EFFECT: higher operational reliability.

5 cl, 7 dwg