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作業車両
专利权人:
井関農機株式会社
发明人:
川上 修平,福島 寿美,山口 信,奥村 仁
申请号:
JP2016037631
公开号:
JP6222254B2
申请日:
2016.02.29
申请国别(地区):
JP
年份:
2017
代理人:
摘要:
PROBLEM TO BE SOLVED: To provide a work vehicle which stops a planting part without impact or vibration exerted thereon, prevents a delay in a lifting/lowering timing of the seedling planting part, and prevents a travel vehicle body from starting traveling backward before a ground contact part separates from a farm field surface even when a backward travel operation is performed.SOLUTION: The work vehicle includes: a lifting/lowering link device arranged in a rear part of a travel vehicle body a lifting/lowering hydraulic cylinder 46 lifting/lowering the lifting/lowering device and a work device 4 on the lifting/lowering device. The work vehicle further includes: a solenoid valve 83 adjusting an oil feed amount to the lifting/lowering hydraulic cylinder 46 a lifting/lowering position detection member 92 detecting a lifting/lowering position of the lifting/lowering link and a control device 100 reducing a lifting speed of the work device 4 by reducing the oil feed amount to the lifting/lowering hydraulic cylinder 46 from the solenoid valve 83 when the lifting/lowering position detection member 92 detects the lifting/lowering link device lifted up to a predetermined position.SELECTED DRAWING: Figure 4
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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