PROBLEM TO BE SOLVED: To provide a reaping pre-processing device preventing a rotation blade arranged in a lower part of a conveyance device from plunging into a field.SOLUTION: A reaping pre-processing device of a general-purpose combine includes: a rotation blade 21 of a reaping device 20 arranged in a front part of a support frame 12B of a left conveyance device 15 a drive part 23 driving the rotation blade 21 arranged in an intermediate part of the support frame 12B of the left conveyance device 15 in a front/rear direction a support shaft 65 extending in a right/left direction in a portion between the rotation blade 21 and drive part 23 in the support frame 12B in the front/rear direction. A front part of a grounding part 71 measuring a height of the left conveyance device 15 from the ground is supported by the support shaft 65.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2018,JPO&INPIT【課題】搬送装置の下部に設けられた回転刃の圃場への突っ込みを防止した刈取前処理装置を提供する。【解決手段】左側搬送装置(15)の支持フレーム(12B)の前部に刈刃装置(20)の回転刃(21)を設け、左側搬送装置(15)の支持フレーム(12B)の前後方向での中間部に回転刃(21)を駆動する駆動部(23)を設け、支持フレーム(12B)における回転刃(21)と駆動部(23)の前後方向での間の部位に左右方向に延在する支軸(65)を設け、支軸(65)に左側搬送装置(15)の対地高さを測定する接地体(71)の前部を支持した。【選択図】図3
