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    • 1. 发明授权
    • Drive controlling mechanism
    • 驱动控制机构
    • US4201279A
    • 1980-05-06
    • US903043
    • 1978-05-05
    • Kiyozumi Fukui
    • Kiyozumi Fukui
    • B60T1/06B60T13/22B62D55/125B62D55/13B60T17/04B60R3/02F01B13/06
    • B62D55/125B60T1/062B60T13/22B62D55/13Y10T477/897
    • A drive controlling mechanism comprises an operative block assembly securely connected with a motor housing accommodating therein a hydraulic motor and rotatably receiving a rotary shaft of the hydraulic motor; a parking brake arrangement connected with the operative block assembly to brake and release a rotary shaft; a control valve arrangement provided to control of the hydraulic motor and actuation of the parking brake arrangement; a pair of inlet-outlet passages connecting the actuation ports of the hydraulic motor and the control valve arrangement; a control conduit arrangement having a shuttle valve permitting fluid under pressure to be introduced into the parking brake arrangement from the control valve arrangement and to be discharged from the parking brake arrangement; and a drain passage arrangement for discharging fluid under pressure from the parking brake arrangement through the shuttle valve to a drain chamber defined between the motor housing and the hydraulic motor.
    • 驱动控制机构包括与容纳液压马达并可旋转地接收液压马达的旋转轴的马达壳体牢固连接的操作块组件; 与所述操作块组件连接以制动和释放旋转轴的驻车制动装置; 控制阀装置,用于控制液压马达和驻车制动装置的致动; 一对连接液压马达的致动端口和控制阀装置的入口 - 出口通道; 控制管道装置,具有允许压力下的流体从所述控制阀装置引入所述驻车制动装置并从所述驻车制动装置排出的梭阀; 以及排水通道装置,用于将来自驻车制动装置的压力下的流体通过梭阀排出到限定在马达壳体和液压马达之间的排水室。
    • 5. 发明申请
    • Device and Method for Controlling Engine and Hydraulic Pump of Working Vehicle
    • 工作车辆发动机和液压泵控制装置及方法
    • US20090111655A1
    • 2009-04-30
    • US12083483
    • 2006-09-20
    • Yasushi Hatanaka
    • Yasushi Hatanaka
    • B60K31/00
    • E02F9/2235B60T17/02B60W10/06B60W10/30B60W30/1888E02F9/2246E02F9/226E02F9/2296F02D29/04Y10T477/817Y10T477/87Y10T477/897
    • An engine of a working vehicle in which an adverse effect of oil temperature rise is avoided, by decreasing a load applied to an accelerator when the working vehicle moves while lifting a boom and approaches a place where the load in a bucket is to be dumped during dump approach and, reducing heat generated through operation of a brake, and deterioration in work efficiency of the working vehicle is avoided by preventing the lifting speed of a boom from decreasing. A hydraulic pump controller and a method for controlling the hydraulic pump are also provided. On conditions that a throttle amount sensor detects that an operation amount of an accelerator pedal is a prescribed threshold value (operation amount 70%) or higher, a brake pressure sensor detects that a brake unit is actuated (brake on), and a vehicle speed sensor detects that a body speed is a prescribed threshold value or higher, a transmission controller outputs a throttle correction order to decrease a target engine speed to a governor through an engine controller, and outputs to a pump control valve through a work equipment controller an order to change a swash plate angle at the time of lifting the boom to cover a decrease amount of a discharge flow rate of a hydraulic pump by the throttle correction order to maintain the discharge flow rate from the hydraulic pump.
    • 通过减少作业车辆在抬升起重臂时移动并接近要在其中倾倒的铲斗的载荷的位置时,减小施加在加速器上的负荷的作业车辆的发动机, 通过防止起重臂的提升速度降低,避免了通过操作制动器产生的热量以及作业车辆的工作效率的劣化。 还提供了液压泵控制器和用于控制液压泵的方法。 在节气门量传感器检测到加速器踏板的操作量为规定的阈值(操作量为70%)以上的条件下,制动压力传感器检测到制动单元被致动(制动器接通),车速 传感器检测到车身速度是规定的阈值以上,变速器控制器通过发动机控制器输出节气门校正顺序以将目标发动机转速降低到调速器,并通过作业设备控制器向泵控制阀输出顺序 以在升降吊杆时改变斜盘角度,以通过节气门校正顺序来覆盖液压泵的排出流量的减少量,以保持来自液压泵的排出流量。