PROBLEM TO BE SOLVED: To safely perform the attachment/detachment work of a working part.SOLUTION: In a working machine, a vertical link is arranged at a rear side of a traveling vehicle body (1) via a lift link device (3) so as to be liftable, a ground leveler (8) is supported to the vertical link via a vertical motion mechanism so as to be upwardly movable to an accommodation position, a working part (4) is attached via an attachment/detachment hitch which is attached to and detached from the vertical link, a stand for receiving the working part (4) which is removed from the traveling vehicle body (1), and the working machine working is set in a relational position in which the downwardly moved ground lever (8) located in a working position and the stand interfere with each other on the occasion that the working part (4) is attached to the vertical link while being supported by the stand.COPYRIGHT: (C)2015,JPO&INPIT【課題】 本発明の課題は、作業部の着脱作業を安全に行うことである。【解決手段】 走行車体(1)の後側に昇降リンク装置(3)を介して縦リンクを昇降可能に設け、縦リンクに上下動機構を介して整地装置(8)を収納位置へ上動可能に支持させ、縦リンクに着脱される着脱ヒッチを介して作業部(4)を装着し、走行車体(1)から取り外した作業部(4)を受けるスタンドを設け、スタンドが支持する状態で作業部(4)を縦リンクに装着しようとすると、下動した作業位置にある整地装置(8)とスタンドが干渉する関係位置に設定した作業機とする。【選択図】 図1
