| 摘要 |
Provided in the present invention are a railway locomotive, and a gearbox and axle-hung box coupling device thereof, wherein the coupling device comprises a gearbox and an axle-hung box; a rubber coupler is fixed to the gearbox; the rubber coupler comprises an outer body, a rubber pad and an inner shaft sleeve, wherein a central hole is provided on the outer body, the inner shaft sleeve penetrates through the central hole, and the rubber pad is arranged between the outer wall of the inner shaft sleeve and the inner wall of the central hole; a locating clamp is arranged between the axle-hung box and the rubber coupler, a locating hole and a locating edge are provided on the locating clamp, the locating hole is opposite to the shaft hole of the inner shaft sleeve, and the outer wall of the outer body of the rubber coupler is locked by the locating edge; a coupling bolt penetrates through a first bolt hole on the axle-hung box, the locating hole on the locating clamp and the shaft hole in the inner shaft sleeve of the rubber coupler in turn, so as to couple and fix the axle-hung box and the gearbox. The present invention prevents the gearbox from developing structural cracks which cause oil leakage. |
