PROBLEM TO BE SOLVED: To provide a connection position adjustment mechanism and agricultural work machine in which the position in an unfolded state is hard to be misaligned.SOLUTION: A connection position adjustment mechanism has: a first member having a first locking member； a second member connected to the first member in a rotatable manner； an abutment member provided at the second member, capable of sliding to the second member, and coming in abutment with the first locking member in a state where the second member is unfolded； a position adjustment member for adjusting the position of the abutment member in the sliding direction of the abutment member； and a fixing member being a member different from the position adjustment member, and fixing the position of the abutment member at a place different from the place where the position adjustment member adjusts the position of the abutment member.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2020,JPO&INPIT【課題】展開状態における位置がずれにくい連結位置調整機構及び農作業機を提供すること。【解決手段】連結位置調整機構は、第１係止部材を有する第１部材と、前記第１部材に対して回動可能に接続された第２部材と、前記第２部材に設けられ、前記第２部材に対してスライド移動可能であり、前記第２部材が展開された状態において前記第１係止部材に当接する当接部材と、前記当接部材のスライド移動方向における前記当接部材の位置を調整する位置調整部材と、前記位置調整部材とは異なる部材であって、前記位置調整部材が前記当接部材の位置を調整する箇所とは異なる箇所で前記当接部材の位置を固定する固定部材と、を有する。【選択図】図３
