PROBLEM TO BE SOLVED: To provide a hydraulic cylinder connection structure of a combine harvester in which detaching work and connection work of the hydraulic cylinder are easily carried out without complicating a support structure.SOLUTION: The combine harvester includes: a hydraulic cylinder 3 whose both ends are pivotally connected respectively to a travelling body and a frame body 63 of a reaping unit a connection bracket 64 which is provided to the frame body 63 and to which a cylinder rod 3A of the hydraulic cylinder 3 is pivotally connected an engagement recess formed in the connection bracket 64 a connection member 67 which is supported by the cylinder rod 3A by being penetrated by it in a machine body lateral direction state, and supports the reaping unit by being engaged with the engagement recess and a connection section 68 which is integrally provided to the connection member 67, and connected and fixed to the connection bracket 64 in a state where the connection member 67 is engaged with the engagement recess.COPYRIGHT: (C)2014,JPO&INPIT【課題】支持構造を複雑にさせることなく、油圧シリンダの分離作業や接続作業を容易に行うことが可能となるコンバインにおける油圧シリンダ連結構造を提供する。【解決手段】走行機体と刈取部のフレーム体63とに両端部が枢支連結された油圧シリンダ3と、フレーム体63に設けられ、油圧シリンダ3のシリンダロッド3Aが枢支連結される連結用ブラケット64と、連結用ブラケット64に形成された係合凹部と、シリンダロッド3Aに機体横幅方向向きの状態で貫通支持されるとともに、係合凹部に係合して刈取部を支持する連結用部材67と、連結用部材67に一体的に設けられるとともに、連結用部材67が係合凹部に係合している状態で連結用ブラケット64に連結固定される連結部68とが備えられている。【選択図】図13
