PROBLEM TO BE SOLVED: To provide a crop harvester which surely loosens soil around the crop to be harvested and cuts roots thereof, prevents the crop from being mis-picked, and easily performs adjustment work such as root cutting of the harvested crop.SOLUTION: The crop harvester includes: a lifting device 63 provided on a front part of a machine frame 1 for lifting up foliage portions of the crop a picking and conveying device 20 for picking up the crop from soil by clipping the foliage portions lifted by the lifting device 63 a soil loosening part 29 for loosening the soil surrounding the crop to be picked by the picking and conveying device 20 and for cutting roots of the crop a rotary arm 102 rotatably provided in a front-rear direction to which the soil loosening part 29 is provided a rotary portion 100 provided on the rotary arm 102 a swinging case 107 provided on the rotary arm 102 and a swinging portion 101 provided on the swinging case 107 for swinging the rotary arm 102 in the front-rear direction, in which the soil loosening part 29 rotates and swings in the front-rear direction by operating the rotary portion 100 and the swinging portion 101.COPYRIGHT: (C)2014,JPO&INPIT【課題】収穫する作物の周囲の土の解しと根切りを確実に行い、作物を引き抜き損なうことを防止すると共に、収穫した作物の根切り等の調製作業が容易に行える農作物収穫機を提供する。【解決手段】機体フレーム1の前側に作物の茎葉部を引き起こす引起し装置63を設け、引起し装置63が引き起こした茎葉部を挟持して圃場から作物を引き抜く引抜搬送装置20を設け、引抜搬送装置20が引き抜く作物の周囲の土を解すと共に作物の根部を切断する土解し部材29を設け、土解し部材29を設ける回動アーム102を前後方向に回動自在に設け、回動アーム102に回動部材100を設け、回動アーム102に揺動ケース107を設け、揺動ケース107に回動アーム102を前後方向に揺動させる揺動部材101を設け、回動部材100と揺動部材101を動かすと、土解し部材29が前後方向に回動しつつ揺動する構成とする。【選択図】図2
