High-speed sealed bearing testing machine

Abstract

The invention discloses a high-speed sealed bearing testing machine which comprises a support, wherein a test bed is arranged on the support, a rotation driving piece and an axial loading device are arranged on the two sides of the test bed respectively, a radial loading device is further arranged on the test bed in a sliding mode, the test bed comprises a test seat, a mandrel, an axial ejector plate, a first end cover and a second end cover, the test seat is fixedly connected with the support, the first end cover and the second end cover are arranged at the two ends of the test seat respectively, the mandrel penetrates out of the first end cover and is connected with the rotation driving piece, a test station is formed on the mandrel, a bushing is arranged between the mandrel and the test seat and comprises a first end bushing, a second end bushing and a middle bushing, the axial ejector plate is arranged between the second end bushing and the second end cover, the axial loading device is arranged towards the axial ejector plate, a radial ejector rod is arranged at the position, which corresponds to the middle bushing, of the test seat, and a plurality of vibration measuring rods, temperature sensors and oil distribution pipes are arranged on the test seat at intervals. The detection efficiency is higher, and the operation condition of the high-speed bearing can be better simulated.

Description

technical field [0001] The invention relates to the technical field of bearing testing, in particular to a high-speed sealed bearing testing machine. Background technique [0002] At present, with the development of aviation, military industry, precision machine tools, new energy vehicles and other fields, the requirements for the speed of bearings are getting higher and higher. The high speed of rolling bearings has always been a hot and difficult point in the development of the bearing industry. The theoretical calculation of rolling bearings under high-speed operation is extremely complicated, and it is difficult to truly reflect the high-speed life of bearings, so it is often verified by experiments. However, the existing high-speed bearing testing machine cannot well apply axial and radial loads to the test bearing. At the same time, the lack of lubrication system of the test bearing cannot reflect the real situation well during the test, which affects the detection ef...

AI Technical Summary

Problems solved by technology

The theoretical calculation of rolling bearings under high-speed operation is extremely complicated, and it is difficult to truly reflect the high-speed life of bearings, so it is often verified by experiments

However, the existing high-speed bearing testing machine cannot well apply axial and radial loads to the test bearing. At the same time, the lack of lubrication system of the test bearing cannot reflect the real situation well during the test, which affects the detection efficiency and the bearing to be tested. The service life of the bearing cannot simulate the operating conditions of high-speed bearings well

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