Folding seat for locomotive

The utility model discloses a folding seat for a locomotive, which comprises a seat I, a seat II, a seat III, a rear wall pedal frame and a pedal bracket, and the seat I, the seat II, the seat III, the rear wall pedal frame, the pedal bracket and the pedal plate are integrated into a whole, so that sitting and lying rest services can be effectively provided for an operator in a cab of the locomotive. A rear wall treading frame in the folding seat for the locomotive is used as a connecting mechanism of the locomotive and the seat. When the folding seat is used, the rear wall pedal frame is fixed on the wall of the locomotive through bolts, the first seat and the third seat are fixed on the rear wall pedal frame through the iron pins, all components of the folding seat for the locomotive areconnected through the hinges and the iron pins and can be conveniently rotated and folded, and the space utilization rate of a cab of the locomotive is increased while convenient service is providedfor operators of the cab.