Suspension device of train tail main engine and mounting structure of train tail main engine

The utility model provides a suspension device of a train tail main engine and a mounting structure of the train tail main engine, and relates to the technical field of train equipment. The suspension device comprises a base and a locking mechanism, a main engine installation side of the base is provided with a main engine installation portion used for installing a train tail main engine, a fixed hook is fixedly installed on the base, a movable hook is movably installed on the base, and the movable hook can move on the base in the direction away from or close to the fixed hook; the locking mechanism is used for limiting the movement of the movable hook; the fixed hook abuts against the hole edge of one side of the train tail car coupler hole, and the movable hook can rotate to abut against and be clamped to the hole edge of the other opposite side of the train tail car coupler hole. The suspension device of the train tail main engine is easy to mount and dismount, the movable hook can rotate to be clamped on