FREIGHT CAR JOINT HINGE JOINT Russian patent published in 2022 - IPC B61G5/02 

FIELD: railway transport.

SUBSTANCE: invention relates to the field of railway transport, in particular to hinge joints for connecting freight cars. The joint contains connecting shanks and connecting ends. The ends are tied together with a finger. The lower end of the pin is installed in the hole in the support pad of the center plate. On the upper inner side of the support platform, a support socket with a spherical seating surface is made. The mating spherical surface of the supporting element of the connecting end of the driving part rests on the seating surface. The end is made in the form of a horizontal platform. The inner surface of the intermediate cup is made as part of a sphere concentric with the outer spherical surface of the intermediate cup. A pressure washer is installed on the inner surface of the cup. The washer is secured by locking elements at the upper end of the pin.

EFFECT: reduced internal contact mechanical stresses between the elements of the hinge joint.

4 cl, 2 dwg