Benthic shellfish harvesting device

The utility model provides a benthic shellfish harvesting device which comprises a traction unit, a digging unit and a harvesting unit, the traction unit is used for driving the digging unit to walk, the digging unit comprises a digging hook, shellfishes buried in soil are dug out through the digging hook, and the shellfishes dug out through the digging unit are collected through the harvesting unit; an early warning unit is arranged below the traction unit, the early warning unit is arranged at the front end of the advancing direction of the traction unit, and the shellfish is stimulated through the early warning unit, so that the shellfish is tightly closed before being harvested, and sand choking is prevented. The benthic shellfish harvesting device has the advantages that the excavating unit can be adjusted up and down through the adjusting device, it is guaranteed that the harvesting device adapts to different harvesting environments, and the utilization rate of the harvesting device is increased. 本实用新型提