PROBLEM TO BE SOLVED: To connect an intermediate transmission shaft with an input part of an input case to be carried out smoothly and the connected state to be kept accurately, when turning and moving a grain-collecting tank from a maintenance position to a grain-collecting position, in a structure for driving a grain-collecting part in a combine harvester, constituted so that motive power is transmitted to the front-end part of a bottom screw possessed by the grain-collecting tank.SOLUTION: The structure for driving the grain-collecting part in the combine harvester is constituted, such that a horizontal input shaft 54, connected to the front end part of the bottom screw 10 to be interlocked is installed so as to face to the inside of the machine body, and the input shaft 54 and an intermediate transmission shaft 71, connected to the engine 4 to be interlocked are arranged concentrically so as to face to each other. A clutch 73 in a meshing type, detachable to the facing position from the rotary shaft center direction is installed, and a clutch member 74, capable of being displaced in the retreating direction with respect to a spring-urging force, and an engaging member 75 detachable to an engaging recessed part 76, formed at the terminal part of the clutch member 74 are also installed in the clutch 73. The engaging position in the engaging recessed part 76 is formed into a shape which penetrates in the direction of being rotated and driven, and then expands inwardly.COPYRIGHT: (C)2009,JPO&INPIT【課題】 エンジン動力を穀粒回収タンクに備えた底スクリューの前端部に伝達するよう構成したコンバインの穀粒回収部駆動構造において、穀粒回収タンクをメンテナンス位置から穀粒回収位置まで旋回移動する際に、中間伝動軸と入力ケースの入力部との接続を円滑に行うことができ、この接続状態を確実に維持することができるようにする。【解決手段】 底スクリュー10の前端部に連動連結された横向きの入力軸54を機体内向きに装備し、入力軸54とエンジン4に連動連結された中間伝動軸71とを同心状に対向配置し、その対向部位に回転軸心方向から係脱可能な噛み合い式のクラッチ73を備え、クラッチ73に、バネ付勢力に抗して後退変位可能なクラッチ部材74と、このクラッチ部材74の端部に形成された係合凹部76に係脱される係合部材75とを備え、係合凹部76における係合箇所を回転駆動方向に入り込んだ奥拡がり形状に形成してある。【選択図】 図13
