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Oil film thickness measuring device

A measuring device and technology of oil film thickness, applied in the field of lubricating oil, can solve the problems of limited steady-state research, prone to errors, and the simulation conclusion is not completely convincing, and achieves the effect of facilitating the analysis of test results

Inactive Publication Date: 2013-08-07
DALIAN MARITIME UNIVERSITY
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Problems solved by technology

[0002] The measurement of lubricating oil film thickness is of great significance to the study of lubrication state. There are many methods for film thickness measurement, among which optical interferometry is recognized as one of the more accurate methods, but the current research scope is still limited to steady-state research. The research on the lubrication characteristics of the steady-state load mainly adopts the method of numerical simulation. The disadvantage of this method is that it can only be based on theoretical formulas, and there is no actual lubrication experiment for verification. The simulation conclusion is not completely convincing, and errors are prone to occur.

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Embodiment 1

[0033] figure 1 It shows a front view of an oil film thickness measuring device (not including the unsteady load part), which is divided into upper and lower parts, the upper part is the load loading mechanism, and the lower part is the load measuring mechanism. This embodiment selects the eccentric wheel 15 as the loading wheel.

[0034] The left and right ends below the frame I of the load loading mechanism are fixed on the horizontal linear guide rail 6, and the horizontal linear guide rail 6 is fixed on the frame II of the load measuring mechanism. In this way, the position of the load loading mechanism is adjusted by sliding the slider of the horizontal linear guide rail 6, thereby changing the contact radius between the steel ball 11 and the glass disc 5.

[0035] The loading handle 1 is fixedly connected to the back cover 14 of the frame 1 by threads, and is fixed on the frame 1 top, and the lower end of the loading handle 1 is connected with the leaf spring module 2, ...

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Abstract

The invention relates to oil film thickness measuring device and method, in particular to oil film thickness measuring device and method under the conditions of steady and unsteady states and belongs to the technical field of lubricating oil. The oil film thickness measuring device comprises a load loading mechanism, a rotary power mechanism and a load measuring mechanism. The load loading mechanism comprises a motor and an eccentric wheel arranged on the motor, a loading plate is arranged below the eccentric wheel, one end of the loading plate is fixed on a lower leaf spring of the load loading mechanism, and the other end of the loading plate is a free end. The oil film thickness measuring device can measure the thickness of lubricating oil film under the conditions of steady and unsteady states and is applicable to the field of scientific research on lubricating theory and technology.

Description

technical field [0001] The invention relates to a device and method for measuring oil film thickness, in particular to a device and method for measuring oil film thickness under steady state and unsteady state conditions, and belongs to the technical field of lubricating oil. Background technique [0002] The measurement of lubricating oil film thickness is of great significance to the study of lubrication state. There are many methods for film thickness measurement, among which optical interferometry is recognized as one of the more accurate methods, but the current research scope is still limited to steady-state research. The research on the lubrication characteristics of the steady-state load mainly adopts the method of numerical simulation. The disadvantage of this method is that it can only be based on theoretical formulas, and there is no actual lubrication experiment for verification. The simulation conclusion is not completely convincing, and errors are prone to occur...

Claims

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Application Information

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IPC IPC(8): G01B11/06
Inventor 严志军于涛徐久军刘德良朱新河程东
Owner DALIAN MARITIME UNIVERSITY
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