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    • 3. 发明专利
    • Speed reducer failure state notification device, mechanical system having speed reducer failure state notification function and speed reducer failure state notification program
    • 减速器故障状态通知装置,具有减速器故障状态通知功能和减速器故障状态通知程序的机械系统
    • JP2013195206A
    • 2013-09-30
    • JP2012062058
    • 2012-03-19
    • Nabtesco Corpナブテスコ株式会社
    • NAKAMURA KOJISHIMADA HIDEFUMI
    • G01N21/27
    • F16H57/0405F16H2057/018G01N21/25G01N33/2888G01N2021/8514
    • PROBLEM TO BE SOLVED: To provide a speed reducer failure state notification device capable of accurately notifying the failure state of a speed reducer even in different use conditions.SOLUTION: A speed reducer failure state notification device for notifying the failure state of a speed reducer of an industrial robot includes a speed reducer and a lubricant deterioration sensor having a clearance forming member with an oil clearance for the lubricant of the speed reducer to enter, the oil clearance being arranged on an optical path from a white LED to an RGB sensor. A threshold is set (S226) in response to the inputted temperature (S222) of the lubricant. When the color difference ΔE (S227) between the color detected by the RGB sensor and black color reaches the threshold (Yes in S228 and No in S229, or Yes in S228 and Yes in S229), the failure state of the speed reducer corresponding to the threshold is notified (S230 and S231).
    • 要解决的问题:提供即使在不同的使用条件下能够精确地通知减速器的故障状态的减速器故障状态通知装置。解决方案:一种用于通知减速器的故障状态的减速器故障状态通知装置 工业机器人包括减速器和润滑剂劣化传感器,其具有间隙形成部件,该间隙形成部件具有用于减速器的润滑剂进入的间隙,油间隙布置在从白色LED到RGB传感器的光路上。 响应于润滑剂的输入温度(S222)设定阈值(S226)。 当由RGB传感器检测到的颜色和黑色之间的色差Dgr E(S227)达到阈值时(S228中为是,S229中为否,S228为是,S229为是),减速器的故障状态 通知对应于阈值(S230和S231)。
    • 9. 发明专利
    • Rolling mechanism drive unit, image formation unit, rolling mechanism control program, rolling mechanism drive system, and image formation system
    • 滚动机构驱动单元,图像形成单元,滚动机构控制程序,滚动机构驱动系统和图像形成系统
    • JP2012185471A
    • 2012-09-27
    • JP2011204825
    • 2011-09-20
    • Ricoh Co Ltd株式会社リコー
    • ASANO YOSHIHIROKOIKE TAKANAO
    • G03G15/00F16H13/02G03G21/00
    • G03G15/757F16D2500/10487F16D2500/30406F16D2500/5108F16H57/01F16H2057/018F16H2059/465G03G21/1647G03G2221/1639G03G2221/1642
    • PROBLEM TO BE SOLVED: To provide a rolling mechanism drive unit, an image formation unit, a rolling mechanism control program, and a rolling mechanism drive system capable of determining one of a power transmission mechanism and a rolling mechanism in which an abnormality has occurred.SOLUTION: A rolling mechanism drive unit includes: a power transmission mechanism to output input torque via a viscous fluid; a detection part to detect the rotation amount of an input shaft of the power transmission mechanism; a detection part to detect the rotation amount of an output shaft of the power transmission mechanism; an input torque detection part to detect the input torque from the power transmission mechanism; a slip amount calculation part to calculate the slip amount of the output shaft of the power transmission mechanism relative to the input shaft on the basis of the difference between the rotation amounts of the input shaft and the output shaft; a first abnormality determination part to compare the input torque detected by the input torque detection part with a standard torque and determine the presence or absence of an abnormality in a rolling mechanism connected at an output side of the power transmission mechanism; and a second abnormality determination part to compare the slip amount calculated by the slip amount calculation part with a standard slip amount and determine the presence or absence of an abnormality in the power transmission mechanism.
    • 要解决的问题:提供一种能够确定动力传递机构和滚动机构之一的滚动机构驱动单元,图像形成单元,滚动机构控制程序和滚动机构驱动系统,其中异常 已经发生了。 解决方案:滚动机构驱动单元包括:通过粘性流体输出输入扭矩的动力传递机构; 检测动力传递机构的输入轴的旋转量的检测部; 检测动力传递机构的输出轴的旋转量的检测部; 输入转矩检测部,其检测来自所述动力传递机构的输入转矩; 滑移量计算部,其基于输入轴和输出轴的旋转量之差来计算动力传递机构的输出轴相对于输入轴的滑移量; 第一异常判定部,将由输入转矩检测部检测出的输入转矩与标准转矩进行比较,判断在动力传递机构的输出侧连接的滚动机构是否存在异常; 以及第二异常确定部分,用于将由滑移量计算部分计算的滑移量与标准滑移量进行比较,并确定动力传递机构中是否存在异常。 版权所有(C)2012,JPO&INPIT