Device for harvesting sweet potatoes

The invention relates to the field of sweet potato production, in particular to a sweet potato harvesting device. The sweet potato harvesting device provided by the invention can continuously remove root hairs on the surfaces of sweet potatoes, can convey the sweet potatoes after digging, and is convenient to collect the sweet potatoes. A sweet potato harvesting device comprises a main supporting frame, a connector, a soil shoveling device, a motor and the like. A connector is fixedly connected to the upper portion of the main supporting frame, a soil shoveling device is fixedly connected to the lower portion in the main supporting frame, and a motor is fixedly connected to the upper side face of the main supporting frame. A U-shaped rod drives a lower pressing plate to move downwards, the lower pressing plate makes contact with sweet potatoes among a plurality of scrapers, the lower pressing plate pushes the sweet potatoes to move downwards, the sweet potatoes can extrude a plurality of contact wheels and th