| 摘要 |
A harrow plate is provided to increase the attachment strength by forming the section of harrow blades to have the shape of waves and to increase the length of the parts where harrow blades are welded on a harrow blade connection rod. A harrow plate includes a central harrow plate and outer harrow plates. In the central harrow plate, plural harrow blades are fixed on a harrow blade connection rod(111). The outer harrow plates are installed on the left and right sides of the central harrow plate. In the outer harrow plate, plural harrow blades are fixed on the harrow blade connection rod. Parallel harrow blades(112) and central depressed harrow blades(113) are installed as the harrow blades of the central harrow plate. The parallel harrow blades are installed horizontally on the harrow blade connection rod. |
