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    • 9. 发明授权
    • Driving system for an industrial truck
    • 一辆工业卡车的驾驶系统
    • US06413185B1
    • 2002-07-02
    • US09714631
    • 2000-11-16
    • Ralf BaginskiRainer Bruns
    • Ralf BaginskiRainer Bruns
    • F16H3702
    • B60K6/36B60K6/365B60K6/48B60K6/543B60K17/10B60L11/14B60L15/2045B60L2200/44B60L2270/145B60Y2200/15B66F9/07509B66F9/07572F16H61/66F16H2037/088Y02P90/60Y02T10/6221Y02T10/645Y02T10/646Y02T10/70Y02T10/7077Y02T10/72Y02T10/7283Y10S903/909Y10S903/91Y10S903/918
    • A driving system for an industrial truck having a driving device and at least one unit for working motions of the industrial truck, comprising: A combustion engine; an adjustable transmission coupled to the engine shaft; a gear assembly the first input shaft of which is directly coupled to the shaft of the combustion engine and the second input shaft of which is coupled to the driven shaft of the adjustable transmission; an electric motor the shaft of which is coupled to a third input shaft of the gear assembly; a change-over transmission between the driven shaft of the gear assembly (24) and the driving wheels of the industrial truck; a battery which is connected to the electric motor via an electronic power unit; a sensor system which measures at least the speeds of the combustion engine, the electric motor, and the output shafts of the change-over transmission and, if necessary, the charging state of the battery and generates appropriate output signals; a shaft coupled to the driving system for driving the unit for the working motions of the industrial truck; a governing device which controls the speed of the motors and the gear ratio of the adjustable transmission and actuates the rotary brake and shifts the change-over transmission according to the desired-value signals of the desired-value transmitters actuated by the driver of the industrial truck and on the basis of the output signals of the sensor system.
    • 一种用于具有驱动装置的工业车辆的驱动系统和用于工业车辆的工作运动的至少一个单元,包括:内燃机; 联接到发动机轴的可调变速器; 齿轮组件,其第一输入轴直接联接到内燃机的轴上,其第二输入轴联接到可调节变速器的从动轴; 电动机,其轴被联接到齿轮组件的第三输入轴; 齿轮组件(24)的从动轴与工业车辆的驱动轮之间的转换传动装置; 电池,其经由电子电源单元与电动机连接; 传感器系统,其至少测量转换传动装置的内燃机,电动机和输出轴的速度,以及如果需要,测量电池的充电状态并产生适当的输出信号; 联接到驱动系统的轴,用于驱动用于工业车辆的工作运动的单元; 控制装置,其控制电动机的速度和可调节传动装置的传动比,并且启动旋转制动器,并根据由工业驱动器驱动的期望值变送器的期望值信号移动转换传动装置 卡车,并根据传感器系统的输出信号。
    • 10. 发明授权
    • Hydraulic lift apparatus for a battery driven lift truck
    • 液压升降机用于电池驱动的起重车
    • US5649422A
    • 1997-07-22
    • US378793
    • 1995-01-26
    • Ralf BaginskiHans-Peter ClaussenHans-Joachim DossAndreas Klatt
    • Ralf BaginskiHans-Peter ClaussenHans-Joachim DossAndreas Klatt
    • B66F9/22B66F9/24F15B21/14F16D31/02
    • B66F9/24B60L1/003B60L1/20B60L11/1805B66F9/22F15B21/14B60L2200/42Y02T10/7005
    • A hydraulic lift apparatus for a battery driven lift truck includes a hydraulic lift cylinder. A hydraulic pump operates as a pump in a load raising mode, so as to feed pressure fluid to the lift cylinder. The hydraulic pump operates as a motor in a load lowering mode. The hydraulic pump is driven by the pressure fluid displaced by the lift cylinder. A direct current machine is coupled to the hydraulic pump, so as to operate as an electric motor in the load raising mode and to operate as a generator in the load lowering mode. A useful brake circuit is energized by the direct current machine in the load lowering mode. A valve assembly is disposed in the pressure fluid path between the lift cylinder and the hydraulic pump. Control apparatus are provided for controlling the valve assembly and including speed regulating apparatus for varying the speed of the direct current machine. At least one secondary hydraulic consumer is adapted to be connected to a hydraulic pressure source via an associated control valve. A lowering branch is provided between the valve assembly and a connection is provided between a check valve and the inlet of the hydraulic pump. The secondary hydraulic consumer receives fluid from the hydraulic pump via the valve assembly. There is provided an externally excited direct current machine having its speed controlled by the speed regulating apparatus in response to operation of the valve assembly.
    • 一种用于电池驱动的起重车的液压提升装置包括液压提升缸。 液压泵作为负载提升模式中的泵运行,以将压力流体供给到提升缸。 液压泵作为负载降低模式下的电动机工作。 液压泵由被提升缸移动的压力流体驱动。 直流电机耦合到液压泵,以便在负载提升模式下作为电动机工作,并且在负载降低模式下作为发电机工作。 在负载降低模式下,有用的制动电路由直流电机通电。 阀组件设置在提升缸和液压泵之间的压力流体路径中。 提供控制装置用于控制阀组件,并且包括用于改变直流电机速度的调速装置。 至少一个次级液压消耗器适于通过相关联的控制阀连接到液压源。 在阀组件之间设置有下降分支,并且在止回阀和液压泵的入口之间提供连接。 次级液压消耗器经由阀组件从液压泵接收流体。 提供了外部激励的直流电机,其响应于阀组件的操作而由速度调节装置控制其速度。