Electro-mechanical integrated weeding machine with adjustable weeding height

The invention discloses an electro-mechanical integrated weeding machine with an adjustable weeding height. The electro-mechanical integrated weeding machine with the adjustable weeding height comprises two main shell, a fan shell and a handle, wherein the bottom of the handle is fixedly connected with tops of the two main shells separately; the bottoms of the main shells are movably connected with wheels; a sliding groove is formed in the left side of each main shell; the positions, which correspond to the two sliding grooves, of two sides of the fan shell are fixedly connected with sliding blocks separately; and each sliding block is slidably connected to the inside of the corresponding sliding groove. By cooperation of the sliding grooves, the sliding blocks, a spring, a limiting groove, a threaded rod, a rolling ball, a first permanent magnet, a second permanent magnet and a fixing block, the height of a weeding blade is adjusted by adjustment of the fan shell, the height of the weeding machine is preset