SEALING DEVICE FOR WHEEL SET WITH THE POSSIBILITY OF CHANGING TRACK WIDTH AND WHEEL SET WITH THE POSSIBILITY OF CHANGING TRACK WIDTH Russian patent published in 2021 - IPC B61F15/26 B61F15/22 B61F7/00 B61F5/26 

FIELD: railway transport.

SUBSTANCE: inventions group relates to the field of railway transport, in particular to the sealing devices of the wheelset with the ability to change the track width, as well as to the wheelset with the ability to change the track width. The sealing device is located between the sliding mechanism of the wheelset and the rear cover of the axle box body. The sliding mechanism is made with the possibility of axial movement and rotation relative to the axle box body. The sealing device contains sliding and rotating seals. The sliding seal contains a sliding ring. The ring is put on outside the sliding mechanism and is hermetically connected to the rear axle box cover. A through axial groove is made on the inner wall of the ring. On the outer wall of the sliding mechanism, an axial protrusion is made, docked with the groove. The rotating seal contains a baffle seal. The bulkhead is attached to the rear axle box cover. The outer wall of the ring is provided with an annular groove. The lower end of the baffle extends into an annular groove.

EFFECT: seal is provided between the sliding mechanism and the axle box body.

10 cl, 4 dwg