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    • 14. 发明授权
    • Hoist control valve interlock system for trolley-assisted dump trucks
    • 起重机控制阀互锁系统用于小车辅助自卸车
    • US4508388A
    • 1985-04-02
    • US498287
    • 1983-05-26
    • Teruo Minami
    • Teruo Minami
    • B60L13/00B60P1/16E21F13/02
    • B60L11/123B60L11/126B60L11/18B60P1/16E21F13/025B60L2200/36B60L2220/44B60L2260/28Y02T10/6217Y02T10/646Y02T10/648Y02T10/7005Y02T10/7077
    • A hoist control valve interlock system for trolley-assisted dump trucks prevent a dump vessel from an unexpected upward movement caused by the operator's mismanipulation during running on an ascent course under the trolley mode condition. The interlock system has a pair of air cylinders for controlling a hoist control valve operatively connected to hoist cylinders for the dump vessel and directional control air valves for supplying and discharging compressed air from an air reservoir via a trolley mode interlock valve into and from the air cylinders by the operation of a hoist control lever. When the trolley mode interlock valve is shifted to its engine mode position to its trolley mode position, the hoist control valve is interlocked into its floating position by the action of one of the air cylinders where compressed air is supplied from the air reservoir via the trolley mode interlock valve and a shuttle valve irrespective of the air valves.
    • 用于手推车辅助自卸车的起重控制阀互锁系统防止倾倒式船只在由台车模式条件下上升过程中运行时由操作人员操作不当引起的意外向上运动。 互锁系统具有一对气缸,用于控制可操作地连接到用于倾卸式容器的提升缸的起重控制阀和用于通过手推车模式互锁阀从空气中向空气供应和排出压缩空气的方向控制空气阀 气缸通过操作起重机控制杆。 当手推车模式互锁阀转移到其发动机模式位置到其台车模式位置时,起重控制阀通过其中一个气缸的作用联动到其浮动位置,其中压缩空气通过手推车从储气罐供应 模式互锁阀和梭阀,不管空气阀。
    • 15. 发明授权
    • Vehicle speed control device for use in trolley-assisted dump trucks of
single phase alternating current system
    • 用于单相交流系统的小车辅助自卸车的车速控制装置
    • US4483148A
    • 1984-11-20
    • US498285
    • 1983-05-26
    • Teruo Minami
    • Teruo Minami
    • B61C7/02B60L9/02B60L11/02B60L11/18B60L13/00B60M3/04F01B21/04
    • B60L9/22B60L11/123F01B21/04B60L2200/36B60L2220/44B60L2260/28Y02T10/6217Y02T10/7077Y02T10/7258
    • A vehicle speed control device for use in a trolley-assisted dump truck of a single phase alternating current system can control the driving torque in proportion to the amount of depression of an accelerator pedal in the same manner as in the case of running under an engine mode condition even when running under a trolley mode condition utilizing a commercial power source. The device comprises in combination an accelerator valve for controlling compressed air from a reservoir in proportion to the amount of depression of an accelerator pedal, an engine throttle control unit controlled by the compressed air passed through the accelerator valve, an acceleration pattern generator actuated by the compressed air to convert the air pressure into a voltage, a mode converted for sending out a voltage pattern to a main drive circuit of the truck in response to a voltage signal from the acceleration pattern generator, and an engine control solenoid operated valve for selectively controlling supply of the compressed air to the engine throttle control unit and to the acceleration pattern generator.
    • 用于单相交流系统的小车辅助自卸车中的车速控制装置可以以与在发动机下方运行的情况相同的方式来控制与加速踏板的压下量成比例的驱动转矩 即使在使用商用电源的台车模式条件下运行时也是如此。 该装置组合有加速器阀,用于与加油踏板的压下量成比例地控制来自储油器的压缩空气,由通过加速阀的压缩空气控制的发动机节气门控制单元,由 压缩空气以将空气压力转换成电压,转换为响应于来自加速度模式发生器的电压信号而向卡车的主驱动电路发送电压模式的模式,以及用于选择性地控制的发动机控制电磁阀 向发动机节气门控制单元和加速度模式发生器供应压缩空气。