PROBLEM TO BE SOLVED: To provide a raising and conveying conveyor and a relay conveyor which surely push sweet potato vines to a finely cutting cutter.SOLUTION: The harvester includes right and left scrapers 10 ahead of a frame 2, right and left side cutters 5 behind the scrapers, a raking up apparatus 4 behind the side cutters 5, the raising and conveying conveyor 3 behind the raking up apparatus 4 and the relay conveyor 7 behind the raising and conveying conveyor 3 in which the raking up apparatus 4, the raising and conveying conveyor 3, wherein the relay conveyor 7 and the finely cutting cutter 8 are arranged in a straight line in the longitudinal direction, sweet potato vines are collected by the raking up apparatus 4, held by the tip of the raising and conveying conveyor 3, roots are cut off by a root cutting cutter 6, the sweet potato vines are raised by the raising and conveying conveyor 3 and the sweet potato vines released at the upper end of the raising and conveying conveyor 3 are received by the relay conveyor, pushed to the finely cutting cutter 8 and finely cut by the finely cutting cutter.COPYRIGHT: (C)2011,JPO&INPIT【課題】甘藷つるを細断カッターに確実に押し込める引き上げ搬送コンベア、中継コンベアを提供する。【解決手段】フレーム2の前方に左右のスクレーパー10があり、その後方に左右のサイドカッター5があり、当該サイドカッター5の後方に掻き上げ装置4があり、当該掻き上げ装置4の後方に引き上げ搬送コンベア3があり、さらに当該引き上げ搬送コンベア3の後方に中継コンベア7があり、上記掻き上げ装置4、引き上げ搬送コンベア3、上記中継コンベア7、細断カッター8が前後方向に一直線に配置されており、甘藷つるを掻き上げ装置4でかき集め、引き上げ搬送コンベア3の先端で掴み、根切りカッター6で根切りし、引き上げ搬送コンベア3で引き上げ、引き上げ搬送コンベア3の上端で解放された甘藷つるを上記中継コンベアで引き取って細断カッター8に押し込んで細断カッターに細断させる。【選択図】図1