Railway vehicle buffer capable of being rapidly replaced

The invention discloses a railway vehicle buffer capable of being rapidly replaced. The railway vehicle buffer comprises a buffer frame, a supporting rod, a buckle, a buffer plate and a buffer mechanism, wherein the supporting rod is installed at one end of the buffer frame, the supporting rod is fixedly connected with the buffer frame, the surface of the supporting rod is sleeved with a supporting sleeve, through holes are formed in the outer wall of the supporting sleeve at equal intervals, and the buffer plate is installed in the through holes; a hinge shaft is arranged in the through hole,the supporting rod is fixedly connected with a supporting sleeve through the hinge shaft, a buckle is installed on the outer wall of the hinge shaft, one end of the buckle is fixedly connected with the hinge shaft, a through hole is formed in the outer wall of the supporting sleeve, and the inner wall of the through hole is fixedly connected with the supporting sleeve; a supporting base is installed on the outer wall of