| 摘要 |
PROBLEM TO BE SOLVED: To provide a combine harvester the conveyance tube of which is prevented from being damaged.SOLUTION: A combine harvester 1 includes: a grain tank 7; a first conveyance tube 20 connected to the grain tank 7; a second conveyance tube 30 connected to the first conveyance tube 20, having an inside tube 32 and an outside tube 31 and flexibly extensible in an axial direction; a blower 60 conveying grains; an extensible driving device 40 making the second conveyance tube 30 extend/contract; a turning driving device 50 turning the first conveyance tube 20 with respect to a machine body; a control device 100 which controls the extensible driving device 40 to retreat the outside tube 31 to a retreat position with respect to the inside tube 32 and reduce the length of the second conveyance tube 30 and also controls the turning driving device 50 to turn the first conveyance tube 20 to a turning storage position on the machine body to make the first conveyance tube 20 and the second conveyance tube 30 in a stored state; a support member 33 disposed on the machine body and supporting the outside tube 31 from below in the stored state; and a reinforcing member 31A disposed at a position coming in contact with the support member 33 while stored around the outer periphery of the outside cylinder 31.SELECTED DRAWING: Figure 1 |
