1) consists of frame, high box arrangement, the whole structure is reasonable, good rigidity. 2) using the spiral tool library configuration, performance reliability and stability. 3) working part take the form IT-machete, cutting effect. 4) using adjustable panels, smooth surface after tillage, cover tightly. 5) the series and East wind turbine is reasonable. 6) removable bezel for easy disposal of debris and mud. 7) split spindle, reliable performance, easy to repair.