PROBLEM TO BE SOLVED: To provide a height adjustment structure of a working part in a harvester, stably adjusting the height of the working part while making the whole compact.SOLUTION: A height adjustment structure of a working part provided in a harvester includes: a support mechanism 80 for supporting the working part C to freely move in a vertical direction on a machine body and a cable body 92, one end part 92a of which is connected to a fixed part 5a of the machine body, the other end part 92b being connected to the working part C, wherein the structure includes: a guide body 93 abutting on an intermediate part of the cable body 92 along the cable body 92 and an actuator 91 for moving the guide body 93 in a direction opposite to the intermediate part of the cable body 92 in the state of abutting on the intermediate part of the cable body 92, and the guide body 93 is moved to change the drawing route of the cable body 92 by the actuator 91, thereby moving up and down the other end part 92b of the cable body 92.COPYRIGHT: (C)2013,JPO&INPIT【課題】全体をコンパクトにしつつ、作業部の高さを安定的に調節可能な収穫機の作業部の高さ調節構造を提供する。【解決手段】収穫機に備えられた作業部の高さ調節構造であって、作業部Cを機体に対して上下方向に移動自在に支持する支持機構80と、一端部92aが機体の固定部5aに接続され他端部92bが作業部Cに接続された索条体92とを備え、索条体92に沿って索条体92の中間部に当接する案内体93と、案内体93を索条体92の中間部に当接させた状態で索条体92の中間部に対向する方向に移動させるアクチュエータ91とを備え、アクチュエータ91により案内体93を移動させて索条体92の張り経路を変更させることで索条体92の他端部92bが上下動するよう構成してある。【選択図】図4
