Formula of going forward one by one excavating tool

The utility model provides a formula of going forward one by one excavating tool, includes multiunit linkage pneumatic cylinder and multiunit cutter, multiunit cutting line perpendicular in the groundof cutter outermost side, the medial surface is cambered surface, multiunit mutual butt when the medial surface of cutter slides to the lower extreme, every group the cutter comprises the multi -discspiller, the multiunit the linkage pneumatic cylinder is connected can dismantle the connection respectively in the multi -disc the upper end of spiller, the utility model discloses a cutter transverse extending scope is little, and required working space is little, and suitable forest zone, gardens operation are applicable to the transplanting of the nursery flowers and trees of high density planting, mutual butt can come out the complete excavation of plant such as trees when the medial surface of multiunit cutter slided to the lower extreme, had guaranteed the integrality of plant root soil ball, had improved the q