High stress contact lubricant oil film frictional force simulation measurement device

Abstract

The invention relates to the high auxiliary point contact elastic flow frictional force measurement field and relates to a high stress contact lubricant oil film frictional force simulation measurement device. The high stress contact lubricant oil film frictional force simulation measurement device comprises a support platform, a round plate driving device, a steel ball fixing device, a sensor fixing and regulation device, a loading revolution device and a translation device; the round plate driving device is fixed on an upper surface of the support platform and is closed to a front rim; the contact between a roller and a bearing track is simulated through the contact between the steel ball and a plane round steel plate; the sensor fixing and regulation device is arranged on the left- right side of a transplantation platform and is close to the front side of the translation platform in order to measure the friction force between the steel ball and the round steel plate; a loading revolution device is fixed in the middle part of a back side of the translation platform; and a spring regulation nut in the loading revolution device is regulated to control the magnitude of force loaded by a loading plate. The high stress contact lubricant oil film frictional force simulation measurement device is simple in structure, ingenious in design, accurate in measurement, easy and convenient to operate, scientific in theory, flexible in usage, strong in practicability, good in an application environment and wide in a market prospect.

Description

Technical field: [0001] The invention belongs to the field of measurement of high secondary point contact elastohydrodynamic friction force, and relates to a friction measurement experimental simulation device, in particular to a simulation measurement device of high stress contact lubricating oil film friction force, which can measure ball bearings in different motion state conditions Under the friction force simulated measurement. Background technique: [0002] A large number of components in engineering are in high-pair contact, and depending on the operating conditions, their lubrication states are mostly under elastohydrodynamic lubrication, mixed lubrication and boundary lubrication. Exploring the lubrication mechanism under mixed lubrication and boundary conditions is the focus of research in the field of tribology , especially the improvement of the surface quality of the contact pair by processing technology and the use of new lubricating materials require a new und...

AI Technical Summary

Problems solved by technology

[0002] A large number of components in engineering are in high-pair contact, and depending on the operating conditions, their lubrication states are mostly under elastohydrodynamic lubrication, mixed lubrication and boundary lubrication. Exploring the lubrication mechanism under mixed lubrication and boundary conditions is the focus of research in the field of tribology , especially the improvement of the surface quality of the contact pair by processing technology and the use of new lubricating materials require a new understanding of the lubrication mechanism. The oil film friction measurement is mainly carried out by a gravity testing machine. In the prior art, the Chinese patent application number CN2736771Y discloses a comprehensive performance evaluation testing machine for lubricating oil, which includes a power unit, a friction pair, an oil holding device, and a loading device. , fixed shaft, the friction pair includes a rotor and a stator, the patent uses weights to load, and utilizes the principle of leverage to make the stator and the rotor at the friction point slide and rub, and record the final oil temperature change and the wear marks of the friction pair through the temperature control device test To evaluate the anti-wear performance of lubricating oil, the utility model is simple in design, easy to operate, and easy to carry. However, the patent still has the following defects. First, the accuracy of evaluating the anti-friction and anti-wear performance of lubricating oil through wear marks is not high , there is no accurate standard to judge the size of the wear scars, and the wear scars themselves are also irregular. Different people have different judgments on the wear scars, which will lead to personnel errors. Second, it needs to be replaced after each test. Repairing the friction pair increases human, material and financial resources. Third, the temperature is easily affected by the external environment, which makes the accuracy of the measurement results not high. Fourth, the utility model cannot obtain the test results in the first time and needs to be calculated.

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