BUSHING AND LOCKING MECHANISM FOR VARIABLE TRACK WHEELS Russian patent published in 2022 - IPC B61F7/00 

FIELD: locking mechanisms.

SUBSTANCE: bushing comprises a bushing body (31) comprising a first bushing comprising a first end cap and a first cylinder, the first cylinder extending towards the axial side of the first end cap in the circumferential direction of the first end cap, with an axial through hole provided in the first end cap; a second sleeve inserted into the first sleeve, and the second sleeve includes a second end cap integrally connected to the first cylinder in the circumferential direction of the first cylinder, and the second cylinder extends in the direction of the same side as the first cylinder extending in the circumferential direction second end cap. The first end cover is securely fixed around the axle (5) of the wheel pair with variable gauge and is located inside the wheels (4) of the wheel pair with variable gauge. The inner hub of each wheel (4) is configured to pass into the first cylinder and be in free sliding connection with the first cylinder.

EFFECT: simplifying the design of the locking mechanism.

10 cl, 8 dwg