The invention discloses a
lotus root digging
machine with a self-cleaning structure. The
lotus root digging
machine comprises a horizontal base, wherein three independent and adjacent cavities are formed in the base, a support frame is arranged at the upper end surface of the base, a water suction pump and a
diesel engine are arranged on the support frame, the
diesel engine is used for driving the water suction pump to work, a water inlet and a water outlet of the water suction pump are respectively connected with a first pipeline and a second pipeline, one end of the first pipeline extends into a second cavity, an opening of the first pipeline is positioned just under the interior of the second cavity and is provided with a blade mounting seat, blades sleeve the blade mounting seat, a water tank is arranged at one end of the second cavity along the length direction, one end of the second pipeline is connected with the water tank, and spraying nozzles are uniformly arranged at the lower end of the water tank. The
lotus root digging
machine has the advantages that the structure is simple, and the convenience in use is realized; the mud, sand, water grasses and the like around a water suction
pipe can be timely cleaned in the working process of the
lotus root digging machine, the blockage problem of a filtering net is solved, the normal working of the water suction pump is guaranteed, the service life is prolonged, the cost is reduced, and the working efficiency of the
lotus root digging machine is improved.