Brief introduction of disc heavy harrow A disc heavy harrow is a tillage tool with a rake group composed of a plurality of concave discs fixed on a horizontal shaft as a working part. It has strong adaptability to heavy soil, wasteland, and weedy plots. It can also be used for stubble removal before plowing, harrowing after plowing, loosening the soil, etc. When the disc heavy harrow works, it can mix the surface fertilizers and pesticides with the surface soil. So as to achieve the effect of leveling and moisture preservation. The structure of the disc heavy harrow The disc harrow is generally composed of rake group, rake frame, deflection adjustment mechanism, and hooking device. Rake group The rake group is composed of rake blades, intermediate pipes, square shafts, bearings, and scrapers. Harrow blades are generally spherical discs. There are two types of discs, full blade, and notched blade. The former is simple to make and easy to grind. The latter has a strong ability to e...