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Machinery constructed to detect deterioration of lubricating oil, reducers for industrial robots, and industrial robots

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

Active Publication Date: 2017-03-15
NABLESCO CORP
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  • Summary
  • 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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  • Machinery constructed to detect deterioration of lubricating oil, reducers for industrial robots, and industrial robots
  • Machinery constructed to detect deterioration of lubricating oil, reducers for industrial robots, and industrial robots
  • Machinery constructed to detect deterioration of lubricating oil, reducers for industrial robots, and industrial robots

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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

The machine configured to detect deterioration of lubricant includes a cleaning member which is configured to clean a lubricant deterioration sensor. A machine body includes a sensor side portion at which the lubricant deterioration sensor is mounted and a cleaning member side portion which is movable with respect to the sensor side portion and at which the cleaning member is mounted. The lubricant deterioration sensor includes a light emitting element, a color light reception element, and a gap forming member having gap forming surfaces at which an oil gap configured to enter the lubricant therein is formed. The gap forming member transmits light emitted from the light emitting element. The oil gap is disposed on an optical path from the light emitting element to the color light reception element. The cleaning member is disposed at a position contacting with the gap forming surfaces when the sensor side portion and the cleaning member side portion move relatively.

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 Patents(China)
IPC IPC(8): G01N21/27
CPCG01N21/15G01N21/251G01N21/8507G01N21/94G01N33/2888G01N2021/152G01N2021/8521
Inventor 岛田英史中村江儿
Owner NABLESCO CORP
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