| 摘要 |
PROBLEM TO BE SOLVED: To provide a combine harvester for carrying out an interlocking control of vehicle speed for interlocking a vehicle speed with the drive speed of a reaping part, which excellently maintains a reaping operation efficiency in a field approach without making an operator operation complicated. SOLUTION: The combine harvester is equipped with a transmission 46 for the speed change of power to a reaping part 4 for performing a reaping operation of grain culms, a vehicle speed detection means for detecting a vehicle speed, a control part 58 for performing an interlocking control of vehicle speed for interlocking a vehicle speed detected by the vehicle speed detection means with a drive speed of the reaping part 4 and a change operation tool 62. The control part 58 carries out change of the interlocking control of vehicle speed and a raking control for driving the reaping part 4 at a constant speed regardless of a vehicle speed on the basis of the operation of the change operation tool 62 and changes a raking speed being the drive speed of the reaping part 4 in raking control on the basis of prescribed conditions. Further, the combine harvester is equipped with a forward tilting detection means 61 for detecting a forward tilting posture of vehicle body. When a forward tilting posture of vehicle body is detected through the forward tilting detection means 61 in a raking control, the control part 58 judges that the combine harvester is in a reaping operation in approach of the vehicle body to a field and automatically reduces the raking speed. COPYRIGHT: (C)2011,JPO&INPIT
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