Ploughing impeller and ploughing machine

The invention discloses a plowing impeller and a plowing machine, and relates to the technical field of plowing equipment. The multiple arc-shaped impeller blades are arranged on the outer side face of the impeller body in a circumferential array mode, each arc-shaped impeller blade comprises a first connecting plate and a second connecting plate, one end of each first connecting plate is fixed to the impeller body, one end of each second connecting plate is hinged to the other end of the corresponding first connecting plate, and each second connecting plate can turn over towards the inner side face of the corresponding arc-shaped impeller blade. A plurality of piercing ends are arranged at the other end of the second connecting plate; the wear-resistant part is attached to the outer side face of the arc-shaped impeller blade, one end of the wear-resistant part is detachably connected with the first connecting plate, and the other end of the wear-resistant part is detachably connected with the second connecti