Auger type mud flat shellfish harvesting device

The utility model relates to an auger type mud flat shellfish harvesting device which comprises a rack, a crawler walking system, a shellfish harvesting system and a power system, and the power system provides walking and harvesting power for the crawler walking system and the shellfish harvesting system. The shellfish harvesting system comprises a soil cutter, an auger harvesting mechanism, a conveying chain and a collecting basket; the auger harvesting mechanism comprises a shovel tip, a plurality of strip sieve grooves, a spiral blade, a rotating shaft, a chain wheel and a chain; the conveying chain is located below the rear portion of the auger harvesting mechanism and comprises two belt wheels and a bar screen type conveying belt, and after the shellfishes with silt separated for the first time fall on the conveying chain to be separated for the second time, the shellfishes fall into a collecting basket from the tail end of the conveying chain to be collected. The device is ingenious in design, convenien