Lifting device for garbage can of motor sweeper

The utility model provides a motor sweeper garbage can lifting device which comprises two motor sweeper longitudinal beams which are arranged in parallel, two outer guide rails are vertically arranged on each motor sweeper longitudinal beam, inner guide rails are connected to the inner sides of the outer guide rails in a sliding mode, the top ends of the inner guide rails are connected with longitudinal plates, the bottom ends of the inner guide rails are fixedly connected with supporting plates, and oil cylinders are rotationally connected to the middles of the longitudinal plates. A fixing seat is arranged on the outer side of the top end of the outer guide rail, and the fixing seat is fixedly connected with the fan box. The garbage can is simple in structure, the garbage can can be directly replaced, the supporting plate is lifted through the oil cylinder to be in butt joint with the fan box, garbage collection is facilitated, after the garbage is fully collected, the supporting plate can be lowered throug