Contaminated soil cleaning and digging device

The utility model provides a contaminated soil cleaning and excavating device which comprises a hydraulic pile driver, a steel sleeve set and a rotary drilling rig, and the hydraulic pile driver and the rotary drilling rig are arranged on one side of the steel sleeve set. The hydraulic pile driver adopts the prior art. The steel sleeve group comprises a plurality of steel sleeves which are connected with one another and are arranged in the contaminated soil in a matrix form; the steel sleeve comprises a polygonal outer shell and a circular inner barrel, and the polygonal outer shell is fixedly arranged on the outer side of the circular inner barrel. According to the polluted soil clearing and digging device, polluted soil can be cleared and dug to the outer ring, implementation can be carried out in a small range, the construction time is greatly shortened, and construction is facilitated. 实用新型提供了污染土壤清挖装置，包括液压打桩机、钢套筒组、旋挖钻机，所述液压打桩机、旋挖钻机设置在钢套筒组的一侧；液压打桩机采用现有技术。所述钢套筒组包括彼此相连的称矩阵型排列在污染土壤的多个钢套筒；所述钢套筒包括多边形外壳、圆形内筒，多边形