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Machine configured to detect degradation of lubricating oil, speed reducer for industrial robot, and industrial robot

A technology of lubricating oil and reducer, applied in the mechanical field of lubricating oil deterioration sensor, can solve problems such as poor immediacy, and achieve the effect of suppressing the decline of performance and improving the cleaning effect of dirt

Active Publication Date: 2014-10-01
NABLESCO CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there is a problem of poor immediacy

Method used

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  • Machine configured to detect degradation of lubricating oil, speed reducer for industrial robot, and industrial robot
  • Machine configured to detect degradation of lubricating oil, speed reducer for industrial robot, and industrial robot
  • Machine configured to detect degradation of lubricating oil, speed reducer for industrial robot, and industrial robot

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Embodiment Construction

[0078] The inventors of the present application have developed a lubricating oil deterioration sensor capable of instantly determining the type and amount of contaminants in lubricating oil of a machine. This lubricating oil deterioration sensor (hereinafter referred to as "new sensor") is a lubricating oil deterioration sensor that is installed in a machine and detects deterioration of lubricating oil of the machine. The sensor includes a light emitting element that emits light, a colored light receiving element that detects the color of received light, and a gap forming member that forms an oil gap that is a gap into which lubricating oil enters. The gap forming member transmits light emitted from the light emitting element, and the gap for oil is arranged on a light path from the light emitting element to the colored light receiving element.

[0079] However, the inventors of the present application have found that when a new sensor is continuously installed in a machine an...

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Abstract

A machine configured to detect the degradation of lubricating oil is provided with a cleaning member configured to clean a lubricating oil degradation sensor. A machine body is provided with a sensor-side part in which the lubricating oil degradation sensor is installed, and a cleaning member-side part which is movable with respect to the sensor-side part and in which the cleaning member is installed. The lubricating oil degradation sensor is provided with a light-emitting element, a color light-receiving element, and a gap forming member having gap forming surfaces between which an oil gap configured such that the lubricating oil enters therethrough is formed. The gap forming member transmits light emitted by the light-emitting element. The oil gap is disposed in a light path from the light-emitting element to the color light-receiving element. The cleaning member is disposed at a position that is in contact with the gap forming surfaces when the sensor-side part and the cleaning member-side part move relative to each other.

Description

technical field [0001] The present invention relates to a machine provided with a lubricating oil deterioration sensor for detecting lubricating oil deterioration. Background technique [0002] Conventionally, as a lubricating oil deterioration sensor for detecting deterioration of lubricating oil of a machine, an oil deterioration degree sensor is known. In this sensor, an oil entry gap through which lubricating oil enters is formed on an optical path from an infrared LED (Light Emitting Diode) to a photodiode. Next, the light absorption amount absorbed by the lubricating oil in the oil entry gap portion with respect to the light emitted from the infrared LED is measured from the light reception amount of the photodiode to determine the degree of deterioration of the lubricating oil in relation to the thus measured light absorption amount (For example, see Patent Document 1 and Patent Document 2). [0003] However, the oil deterioration degree sensors described in Patent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/27
CPCG01N33/2888G01N2021/8521G01N21/15G01N21/251G01N21/94G01N2021/152G01N21/8507
Inventor 岛田英史中村江儿
Owner NABLESCO CORP
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