Rolling bearing lubricating oil flow and temperature characteristic test device and test method

Abstract

The invention belongs to the technical field of bearing tests, and particularly relates to a rolling bearing lubricating oil flow and temperature characteristic test device and test method. The rolling bearing lubricating oil flow and temperature characteristic test device comprises a driving system, a box body, an observation system and a test bed base, and the driving system, the box body and the observation system are all installed on the test bed base through bolts; the driving system is connected with the box body through a coupler and arranged on the left side of the box body, the box body is provided with a tested bearing, and the observation system is arranged on the right side of the box body. According to the invention, the high-speed camera and the thermal imager are comprehensively adopted, a glass end cover structure with one transparent side is matched, and a method of tracing factors in the lubricating oil is combined, so that the flow characteristic test of the lubricating oil in a bearing cavity can be intuitively realized. The thermal imager is adopted to obtain the lubricating oil distribution temperature characteristics, and the correlation between the lubricating oil flow characteristics and the temperature is researched in cooperation with flow characteristic observation.

Description

technical field [0001] The invention belongs to the technical field of bearing testing, and in particular relates to a test device and a test method for the flow and temperature characteristics of rolling bearing lubricating oil, which is a test device for testing the flow and temperature characteristics of rolling bearing lubricating oil. Background technique [0002] Rolling bearings are key components of rotating machinery, and lubrication forms an oil film on the contact surfaces of bearing components, reducing friction and heat generation, so lubrication is very important for rolling bearings. Lubrication can be divided into oil lubrication and grease lubrication. Oil lubrication is a kind of lubrication method commonly used in rolling bearings. The flow characteristics of lubricating oil directly affect the performance of the bearing, especially the temperature characteristics. Therefore, the flow characteristics of rolling bearing lubricating oil and its relationship w...

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Problems solved by technology

[0003] At present, there are some bearing testing machines for bearing lubricating oil, but they all test the performance of the lubricating oil, and cannot observe the flow state and temperature characteristics of the lubricating oil in the bearing. For example, the patent: rolling bearing lubrication condition experimental simulation device and measurement method ( CN102353334A), is to mainly measure and analyze the state of bearing movement, and does not pay attention to the flow characteristics and temperature characteristics of lubricating oil; patent: rolling bearing lubrication simulation experiment device (CN202189050U), although it can simulate the on-site working conditions of heavy-duty rolling bearings, and place it at the same time Multiple sets of experimental bearings, only study and monitor the influence of various lubricating oils and greases on bearing performance, and cannot observe the flow characteristics of lubricating oil; patent: Rolling bearing lubricating oil film thickness testing device and its testing method (CN103615994A), using ultrasonic film thickness measurement The technology obtains the real-time film thickness value of the measuring point of the contact part of the rolling bearing under the action of the slip factor, which is to measure the oil film formed by the lubricating oil, and does not pay attention to the flow characteristics and temperature characteristics of the lubricating oil itself; patent: a bearing visualization test device and method (CN110307979A), the device can visually observe the whole process and monitor the bearing operation and lubrication status under different working conditions in real time by setting a fully transparent outer end cover and inner oil seal, but a reasonable observation system and test method are not provided. Unable to effectively analyze lubrication flow and temperature characteristics

To sum up, the existing bearing testing machine lacks the test of the flow characteristics and temperature characteristics of bearing lubricating oil, and the test method is blank. Therefore, it is necessary to study a test device for testing the flow and temperature characteristics of rolling bearing lubricating oil, and propose a test method to provide support for the optimal design of lubricating oil and bearing structure

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