The disc plow includes a left arm housing, a left support arm, a gearbox, a transmission gear, a meshing sleeve, a control rod, a sprocket box, a disc shaft, and a disc plate. The control rod is installed on the gearbox and connected to the meshing sleeve. It also includes a left box body, a driving shaft, a right box body, a driven shaft, a driving bevel gear, and a passive bevel gear. The transmission gear is mounted on the driving shaft, the meshing sleeve is mounted on the driving shaft, the driving bevel gear is fixed at the output end of the driving shaft, and meshes with the passive bevel gear. The passive bevel gear is fixed at the input end of the driven shaft, and the sprocket box is equipped with a driving sprocket and a driven sprocket. The driving and driven sprockets are both double sprockets, and the driving sprocket and driven sprocket are connected through a double chain. The output end of the driven shaft is fixedly connected, and the driven sprocket is fixedly connected to the disc shaft.
