The utility model provides a generator hoisting machine constructs, including internal frame, outer frame and hoist engine, the internal frame sets up in the carriage, and internal frame both sides plane symmetry is provided with the slide rail, and the internal frame bottom surface is provided with a pair of scalable pulley, outer frame facet and slide linkage, frame rest base face sets up on scalable pulley, be provided with the power device who is used for driving the hoist engine on the lateral surface of internal frame and the outer frame, the hoist engine sets up outside on the frame, be provided with on the hoist engine and be used for the wire rope that lifts by crane. The utility model discloses structural design is simple, and structural stability is good, uses power device to shift out or to impel the vehicle with the generator is very convenient, laborsaving, has reduced intensity of labour, has improved work efficiency, and the security is good.