Swing Control Device And Construction Machinery
    3.
    发明申请
    Swing Control Device And Construction Machinery 有权
    摆动控制装置和工程机械

    公开(公告)号:US20070277986A1

    公开(公告)日:2007-12-06

    申请号:US11791190

    申请日:2005-11-16

    IPC分类号: G06F19/00 E02F3/00

    摘要: In a swing control device installed in an electric rotary excavator (a construction machine), when a leading edge or a trailing edge of a lever signal is sharp due to a quick operation of a swing lever, a gradient as a rise time Ta1 or a fall time Tb1 is provided to the leading edge or the trailing edge of the torque output and the acceleration that are output based on the lever signal so as to somewhat ease the edge. With the arrangement, an impact in acceleration or deceleration of a rotary body can be suppressed. Specifically, a gradient in the acceleration operation is provided such that the rise time Ta1 becomes 0.15 seconds or more, while a gradient in the stop deceleration operation is provided such that the fall time Tb1 becomes 0.1 seconds or more.

    摘要翻译: 在安装在电动式挖掘机(施工机械)中的摆动控制装置中,由于摇杆的快速操作,当杠杆信号的前缘或后缘很尖锐时,作为上升时间Ta 1或 下降时间Tb 1被提供给扭矩输出的前缘或后缘以及基于杠杆信号输出的加速度,以便稍微缓和边缘。 通过该结构,能够抑制旋转体的加速或减速的冲击。 具体地,提供加速操作的梯度,使得上升时间Ta1变为0.15秒以上,同时提供停止减速操作中的梯度使得下降时间Tb 1变为0.1秒以上。

    Swing control device and construction machinery
    5.
    发明授权
    Swing control device and construction machinery 有权
    摆动控制装置和施工机械

    公开(公告)号:US08000862B2

    公开(公告)日:2011-08-16

    申请号:US11791190

    申请日:2005-11-16

    IPC分类号: H02P21/00

    摘要: In a swing control device installed in an electric rotary excavator (a construction machine), when a leading edge or a trailing edge of a lever signal is sharp due to a quick operation of a swing lever, a gradient as a rise time Ta1 or a fall time Tb1 is provided to the leading edge or the trailing edge of the torque output and the acceleration that are output based on the lever signal so as to somewhat ease the edge. With the arrangement, an impact in acceleration or deceleration of a rotary body can be suppressed. Specifically, a gradient in the acceleration operation is provided such that the rise time Ta1 becomes 0.15 seconds or more, while a gradient in the stop deceleration operation is provided such that the fall time Tb1 becomes 0.1 seconds or more.

    摘要翻译: 在安装在电动式挖掘机(施工机械)中的摆动控制装置中,当由于摆动杆的快速操作而使杠杆信号的前缘或后缘变得尖锐时,作为上升时间Ta1或 下降时间Tb1被提供给扭矩输出的前缘或后缘以及基于杠杆信号输出的加速度,以便稍微缓和边缘。 通过该结构,能够抑制旋转体的加速或减速的冲击。 具体而言,提供加速操作的梯度,使得上升时间Ta1变为0.15秒以上,同时提供停止减速操作的梯度使得下降时间Tb1变为0.1秒以上。

    CONSTRUCTION MACHINE AND METHOD OF CONTROLLING CONSTRUCTION MACHINE
    7.
    发明申请
    CONSTRUCTION MACHINE AND METHOD OF CONTROLLING CONSTRUCTION MACHINE 有权
    施工机械及其控制方法

    公开(公告)号:US20100031650A1

    公开(公告)日:2010-02-11

    申请号:US12450062

    申请日:2008-03-27

    IPC分类号: F16D31/02 B60W20/00

    摘要: The present invention provides a construction machine where overheating of mounted electric devices can be prevented properly with a simple structure and a method of controlling the construction machine. For this purpose, a pump target discharge flow rate of a hydraulic pump is calculated based on an operated amount of an operating unit, a temperature of an electric device mounted on the construction machine is detected, an engine minimum speed, which is a minimum possible speed of an engine in carrying out low-speed matching for matching output of the engine and pump absorbing horsepower of the hydraulic pump to each other in a low-speed region where speed of the engine is lower than set speed, is calculated by using the detected temperature of the electric device, and a maximum value out of a corresponding speed of the pump target discharge flow rate and the engine minimum speed is generated as a candidate for an engine target speed.

    摘要翻译: 本发明提供一种施工机械,其结构简单,控制施工机械的方法可以正确地防止安装的电气装置的过热。 为此,基于操作单元的操作量来计算液压泵的泵目标排出流量,检测安装在施工机械上的电气装置的温度,最小可能的发动机最小速度 在发动机的速度低于设定速度的低速区域中,对发动机的输出进行低速匹配以及液压泵吸收马力的泵的速度进行低速匹配,通过使用 产生电气装置的检测温度,并且产生除了目标排放流量和发动机最小速度的相应速度的最大值作为发动机目标速度的候选。

    Control Apparatus for Work Machine
    8.
    发明申请
    Control Apparatus for Work Machine 有权
    作业机控制装置

    公开(公告)号:US20090301075A1

    公开(公告)日:2009-12-10

    申请号:US12084326

    申请日:2006-10-26

    IPC分类号: F15B11/16 F15B21/14

    摘要: A speed of a hydraulic actuator is matched with that of an electric actuator when the hydraulic actuator and the electric actuator are concurrently actuated. When determination units (71, 72) determine that a boom hydraulic cylinder (31) and a rotation generator motor (11) are concurrently actuated based on a controlled variable of a boom control lever (41) and a controlled variable of a rotation control lever (42), a torque of the rotation generator motor (11) is restricted based on a pump discharge pressure (Pp). Therefore, for example, a torque limit command is generated and output such that a torque limit value (TL2) of the rotation generator motor (11) is decreased with a decrease in discharge pressure (Pp) of a hydraulic pump (3).

    摘要翻译: 当液压致动器和电致动器同时致动时,液压致动器的速度与电致动器的速度相匹配。 当确定单元(71,72)基于臂臂控制杆(41)的受控变量和旋转控制杆(41)的受控变量确定动臂液压缸(31)和旋转发电机电动机(11)同时致动时, (42)中,基于泵排出压力(Pp)来限制旋转发生电动机(11)的转矩。 因此,例如,产生并输出转矩限制指令,使得旋转发电电动机(11)的转矩极限值(TL2)随着液压泵(3)的排出压力(Pp)的降低而减小。

    Engine control apparatus
    9.
    发明授权
    Engine control apparatus 有权
    发动机控制装置

    公开(公告)号:US08695566B2

    公开(公告)日:2014-04-15

    申请号:US12733749

    申请日:2008-09-11

    摘要: An engine control apparatus includes a hydraulic pump driven by an engine, a hydraulic actuator to which pressure oil discharged form the hydraulic pump is supplied, an operation lever configured to operate the hydraulic actuators, a detection means detecting operation amounts of operation lever means, an target flow rate calculation unit (50) calculating an target flow rate of the hydraulic pump based on the operation amount of the operation lever, a first target speed calculation unit (61) calculating a first target speed of the engine according to the target flow rate, a pump output limit value calculation unit (500) limiting the maximum target speed of the engine in an relief operation according to a load pressure of the hydraulic pump, a fourth engine target speed calculation unit (63).

    摘要翻译: 一种发动机控制装置,包括由发动机驱动的液压泵,供应由液压泵排出的压力油的液压致动器,构造成操作液压致动器的操作杆,检测操作杆装置的操作量的检测装置, 目标流量计算单元(50),基于操作杆的操作量来计算液压泵的目标流量;第一目标速度计算单元(61),根据目标流量计算发动机的第一目标速度 ,第四发动机目标速度计算部(63),其根据所述液压泵的负载压力限制所述发动机的最大目标转速。

    Work machine
    10.
    发明授权
    Work machine 有权
    工作机

    公开(公告)号:US08607558B2

    公开(公告)日:2013-12-17

    申请号:US12450473

    申请日:2008-03-28

    IPC分类号: E02F9/20

    摘要: A work machine includes: hydraulic actuators 21, 22, 23, 31, and 32; a capacitor 61 for storing electric power when a generator motor 44 operates as a generator and for supplying electric power when the generator motor 44 operates as a motor; and a swing electric motor 10, the hydraulic actuators 21, 22, 23, 31, and 32 and the swing electric motor 10 are operated by operation of operating levers 50, 70. The work machine includes an idling stop control unit 110 for stopping the idling of an engine 40 and retains the swing electric motor 10 in an operation prohibited state at least on the condition that stored voltage of the capacitor 61 is predetermined voltage or higher when the neutral states of the operating levers 50, 70 continue for a predetermined stop time during operation of the engine 40.

    摘要翻译: 工作机器包括:液压致动器21,22,23,31和32; 用于当发电机电动机44作为发电机工作时用于存储电力并且当发电机电动机44作为电动机操作时供电的电容器61; 和摆动电动机10,液压致动器21,22,23,31,32以及摆动电动机10通过操作杆50,70的操作而动作。作业机具备怠速停止控制部110, 发动机40的空转并且当操作杆50,70的中性状态持续预定的停止时,至少在电容器61的存储电压为预定电压或更高的条件下将摆动电动机10保持在操作禁止状态 发动机40运转时的时间。