HINGE JOINT FOR FREIGHT CARS (OPTIONS) Russian patent published in 2022 - IPC B61G5/02 

FIELD: railway transport.

SUBSTANCE: inventions group relates to the field of railway transport, in particular, to variants of hinge joints for connecting freight cars. The knot contains a center pin and a leash part, pivotally connected by a central pin. The end of the pyatnikovy part is made by the upper shelf and the lower support platform. The lower outer side of the platform is made in the form of a center plate, an annular seat is mounted on the inner side. The spherical working part of the seat interacts with the mating spherical surface of the support ring. The connecting end of the driving part rests on the ring. A central pin is placed in the mounting hole of the driving part. The lower end of the pin is installed in the hole of the lower support platform, the upper end is in the hole of the upper shelf and fixed with a pin. A rotary sleeve with a spherical outer surface is mounted on the middle part of the pin. The surface is concentric to the spherical surfaces of the seat and support ring. The bushing can be mounted on the intermediate bushing using a stop collar. The intermediate sleeve is installed and oriented with the help of basing elements in the mounting hole of the connecting end of the driving part. Side walls and landing recesses can be cast between the lower support platform and the upper shelf, in which the support ends of the central pin locking holder are placed.

EFFECT: angle of mutual movement of the center and leash parts increases.

8 cl, 7 dwg