Device capable of replacing garbage can at original machine position

The utility model discloses a device capable of replacing a dustbin at an original machine position in the field of living equipment, which comprises a bottom plate, a main rotating shaft is fixedly connected to the center of the upper end face of the bottom plate, a main gear is sleeved on the outer circumferential surface of the main rotating shaft, the outer end of the main gear is meshed with a first gear, and the lower end face of the first gear is coaxially connected with a first rotating shaft. The upper end face of the main gear is sleeved with an upper connecting plate, the main rotating shaft penetrates through the upper connecting plate, a vertical rod is fixedly connected to the upper end face of the main rotating shaft, a sliding groove is formed in the vertical rod, a sliding block is slidably connected into the sliding groove, a threaded groove is formed in the upper end face of the sliding block, and a lead screw is rotatably connected into the threaded groove. By arranging the main gear, the