PROBLEM TO BE SOLVED: To provide a harvesting part drive structure of a combine capable of suppressing the vibration of a machine body during harvesting work as much as possible.SOLUTION: A harvesting part drive structure of a combine includes: a clipper-type harvester 21 located in the front of a harvesting part a lateral input shaft 53 located in the back of the harvesting part a rotation conversion mechanism 71 for converting the rotation power transmitted to the input shaft 53 from a power source into a reciprocatable rotation around a longitudinal axis a longitudinal relay transmission shaft 72 that extends forward from the rotation conversion mechanism 71 an interlocking operation member 73 for interlocking and connecting the relay transmission shaft 72 and the harvester 21 and a balance weight 82 disposed in the outer circumference of the relay transmission shaft 72.COPYRIGHT: (C)2014,JPO&INPIT【課題】刈取作業中における機体の振動を極力抑制することが可能となるコンバインの刈取部駆動構造を提供する。【解決手段】刈取部の前部に位置するバリカン型の刈取装置21と、刈取部の後部に位置する横向きの入力軸53と、動力源から入力軸53に伝達された回転動力を前後向き軸芯周りの往復回動に変換する回転変換機構71と、回転変換機構71から前方に向けて延びる前後向きの中継伝動軸72と、その中継伝動軸72と刈取装置21とを連動連結する連動操作部材73と、中継伝動軸72の外周部に設けられたバランスウエイト82とが備えられている。【選択図】図4
