PROBLEM TO BE SOLVED: To provide a puddling machine whose performance to plow straw into cultivated soil existing on a field is improved and whose cost can be kept from increasing.SOLUTION: A puddling machine 1 includes: a first extension leveling plate left 26L vertically rotatably supported against the rear part of a shield cover left 25L covering the upper portion of a tilling rotor rotatably supported against an extension working body left 20L a second extension leveling plate left 27L rotatably supported against the rear end portion of the first extension leveling plate left 26L an extension auxiliary leveling plate 55 vertically rotatably provided at an outer end portion of the second extension leveling plate left 27L along the direction of machine body width and a turning device 40 disposed on the shield cover left 25L for turning the extension auxiliary leveling plate 55. A front leveling plate 60 that is free to rotate vertically about a front axle portion extended longitudinally is provided at the left corner of the shield cover left 25L. The front leveling plate 60 is turned in conjunction with the extension auxiliary leveling plate 55 by the turning device 40.COPYRIGHT: (C)2013,JPO&INPIT【課題】圃場に存在するわらの耕土内へのすき込み性能が向上し、またコストの増大が抑制可能な代掻き作業機を提供する。【解決手段】代掻き作業機1は、延長作業体左20Lに回転可能に支持された耕耘ロータの上部を覆うシールドカバー左25Lの後部に上下方向に回動自在に支持された第1延長整地板左26Lと、この後端部に回動可能に支持された第2延長整地板左27Lと、この機体幅方向の外側端部に上下方向に回動自在に設けられた延長補助整地板55と、シールドカバー左25L上に配設されて、延長補助整地板55を回動させる回動装置40とを備える。シールドカバー左25Lの左側隅部には前後方向に延設された前側軸部を中心として上下方向に回動自在な前側整地板60が設けられ、前側整地板60は、回動装置40によって延長補助整地板55と連動して回動する。【選択図】 図1
