PROBLEM TO BE SOLVED: To stabilize a posture of a conveyance cylinder during discharge work of grains, and reduce spilling of grains caused by deviation of discharge positions so as to reduce loss of grains.SOLUTION: A combine harvester is provided with a threshing device (18) at one of left/right sides of a machine frame (3) including a travelling device (20), a grain storage device (1) including a conveyance cylinder (6) for discharging the grains at the other side of the left/right sides of the machine frame (3), and a reaping device (21) at a front side of the machine frame (3). The combine harvester is further provided with a holding device (70A) for supporting a base of the conveyance cylinder (6) so as to be rotationally turned to an outer lateral side of the machine body around its axial center in a front/rear direction, and supporting a rotational position of the conveyance cylinder (6) by connecting, with a rope-like connecting member (73), between the conveyance cylinder (6) and a fixing part provided to the machine frame (3) side and an energizing device (80) for energizing the conveyance cylinder (6) in a lifting/turning side.COPYRIGHT: (C)2015,JPO&INPIT【課題】穀粒排出作業中における搬送筒の姿勢を安定させ、排出位置のずれによる穀粒のこぼれを少なくし、穀粒の損失を低減する。【解決手段】走行装置(20)を備えた機体フレーム(3)の左右一側の部位に脱穀装置(18)を設け、機体フレーム(3)の左右他側の部位には穀粒排出用の搬送筒(6)を備えた穀粒貯留装置(1)を設け、機体フレーム(3)の前側に刈取装置(21)を設けたコンバインにおいて、搬送筒(6)の基部を前後方向の軸心回りに機体外側方へ回動自在に支持し、搬送筒(6)と機体フレーム(3)側に備えた固定部の間を鎖などの索状の連結部材(73)で連結することによって搬送筒(6)の回動位置を保持する保持装置(70A)を設ける。また、搬送筒(6)を上昇回動側に付勢する付勢装置(80)を設ける。【選択図】 図8
