PROBLEM TO BE SOLVED: To provide a machine that can serve as both soil excavator and ridge former and that is configured to effectively use spaces on the other side of a machine frame, the machine including: a soil excavating mechanism having an excavating rotor provided on one side of the machine frame connected to a machine body, the mechanism enabling excavation of old ridge soil as a preliminary operation for ridge forming work and a ridge forming mechanism having a rotational ridge forming body for leveling upper and one side faces of the old ridge provided on the other side of the machine frame, the mechanism enabling an excavation operation and a ridge forming operation of old ridges, in which the machine can also perform a preliminary excavation for the ridge forming work, a land leveling work of the field, weeding work as well as the ridge forming work.SOLUTION: The present invention includes: a machine body 1 that can advance in a field M a machine frame 3 connected to the machine body 1 an excavating mechanism 4 provided on one side of the machine frame and having an excavating rotor 5 for excavating old ridge soil and a ridge forming mechanism 6 having a rotational ridge forming body 7 for leveling an upper face W1 and a one-side face W2 of an old ridge W provided on the other side of the machine frame.COPYRIGHT: (C)2015,JPO&INPIT【課題】走行機体に連結された機枠の一方側部に配備された土削機構の削土ロータにより旧畦土を削土することができ、整畦作業の予備作業としての旧畦の土削作業を行うことができ、かつ、上記機枠の他方側部に配備された旧畦の上面及び一方側面を整畦可能な回転整畦体をもつ整畦機構により旧畦の整畦作業を行うことができ、旧畦の土削作業及び旧畦の整畦作業を行うことができ、整畦作業の予備土削作業、圃場面の整地作業、除草作業、更には、整畦作業も行うことができ、土削機及び整畦機の兼用機とされ、機枠の他方側部の空間の有効利用を図ることができる。【解決手段】圃場Mを進行可能な走行機体1と、走行機体に連結された機枠3と、機枠の一方側部に配備され、旧畦土を削土可能な削土ロータ5をもつ土削機構4とからなり、機枠の他方側部に旧畦Wの上面W1及び一方側面W2を整畦可能な回転整畦体7をもつ整畦機構6を備えてなる。【選択図】図2
