TELESCOPIC GRAIN-UNLOADING AUGER FOR COMBINE HARVESTER

摘要

PROBLEM TO BE SOLVED: To enable the smooth extension and contraction operation while reducing the weight of an extension and contraction driving mechanism and the clearance between transportation cylinders in a telescopic grain-unloading auger for a combine harvester, equipped with a freely extendable transportation screw installed in the inside over a base terminal-side transportation cylinder and a tip terminal-side transportation cylinder in a state to be operated so as to be extended or contracted according to the extending or contracting movement of the tip terminal-side transportation cylinder based on the base terminal-side cylinder, and the extension and contraction driving mechanism installed over the tip terminal-side transportation cylinder and the base terminal-side transportation cylinder.;SOLUTION: The extension and contraction driving mechanism 60 is constituted of a chain-supporting member 62 supported by the base terminal-side transportation cylinder 20, an endless turning chain 63 supported by the chain-supporting member 62, a linking body 64 for linking the tip terminal-side transportation cylinder 21 with a chain-constituting body 63a of the endless turning chain 63 so as to be freely integrally moved, and a motor 61 freely driving the endless turning chain 63 in the normal-rotation and reverse-rotation directions.;COPYRIGHT: (C)2010,JPO&INPIT