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    • 8. 发明专利
    • Suspension structure for working vehicle
    • 工作车辆悬架结构
    • JP2009196591A
    • 2009-09-03
    • JP2008042995
    • 2008-02-25
    • Kubota Corp株式会社クボタ
    • MATSUZAKI MITSUHIROHAYASHI ATSUSHIYAZAKI TOSHIMITSUIWAMI KENICHI
    • B60G17/015B60G17/016B60G17/018F16F15/027
    • B60G17/056B60G11/26B60G2202/154B60G2400/51
    • PROBLEM TO BE SOLVED: To provide a configuration so that a damping ratio of a suspension mechanism can be maintained within an appropriate range regardless of a change in a load with respect to a vehicle body, and to secure favorable ride comfort and stable traveling performance.
      SOLUTION: The hydraulic suspension mechanism 50 is constituted by connecting accumulators 21, 23 to hydraulic cylinders 19 suspending wheels 2 to a vehicle body frame 1. A flow control valve 51 for controlling a flow rate of a working fluid flowing over the hydraulic cylinder 19 and the accumulator 21 is interposed between the hydraulic cylinder 19 and the accumulator 21. The suspension mechanism is provided with a pressure sensor 56 for detecting the internal pressure M of the suspension mechanism 50 and a control means 57 for controlling the operation of the flow control valve 51 based on a detection value of the pressure sensor 56.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种结构,使得悬挂机构的阻尼比可以保持在适当的范围内,而不管相对于车身的负载变化如何,并且确保有利的乘坐舒适性和稳定性 旅行表现。 解决方案:液压悬挂机构50通过将蓄能器21,23连接到液压缸19的悬架轮2构成到车体框架1上。流量控制阀51用于控制流过液压的工作流体的流量 气缸19和蓄压器21插入在液压缸19和蓄能器21之间。悬架机构设置有用于检测悬架机构50的内压M的压力传感器56和用于控制悬架机构50的操作的控制装置57 流量控制阀51基于压力传感器56的检测值。版权所有(C)2009,JPO&INPIT