To provide a digging device for a subterranean crop having a conveyor portion for conveying harvested products such as garlic etc. excavated by an excavating blade while sieving off the soil, the harvested material is not biased in the storage container of the harvested material Provided is a dewatering device of a stored rhizome stem crop.An excavating blade unit for digging up a rhizome stem crop, a conveyor unit having a conveying body for shaking the soil while conveying the excavated underground stem crops diagonally upward and rearward at the rear of the excavating blade unit 2, a conveyor unit A digging device for underground stem crops having a reservoir portion 7 of underground stem crop digging downward of a terminal end portion of the part, a guide plate 8 for receiving the falling underground stem crops to change the falling direction is provided at the end portion of the conveyor portion , The guide plate 8 is a device for digging out the underground stem crops swinging back and forth in conjunction with the conveyor section drive unit 6 around the rotation shaft 80 in the left and right horizontal direction.(FIG.【課題】掘削刃によって掘り上げられたニンニク等の収穫物を、土を篩い落としながら搬送するコンベア部を有した地下茎作物の掘り取り装置において、収穫物の収納容器に収穫物が偏ることがなく収納される地下茎作物の堀り取り装置を提供する。【解決手段】地下茎作物を掘り上げる掘削刃部2と、掘削刃部2後方に位置して掘り上げた地下茎作物を斜め上後方に搬送しながら土を振るい落とす搬送体を有するコンベア部と、コンベア部終端部下方に掘り上げた地下茎作物の貯留部7を有した地下茎作物の掘り取り装置において、コンベア部終端部には、落下した地下茎作物を受けて落下方向を変更させる案内板8が設けられ、案内板8は、左右水平方向の回動軸80を中心にコンベア部駆動部6と連動して前後に揺動駆動される地下茎作物の掘り取り装置による。【選択図】 図4
