Wide-temperature-range multi-model bearing loading test platform

Abstract

The invention relates to a wide-temperature-range multi-model bearing loading test platform which comprises a workbench, a bearing rotating device, a bearing inner ring fixing device, a bearing outer ring fixing device, a bearing system propelling device and a temperature adjusting device. The bearing propelling device and the bearing rotating device are fixed on the working table, the bearing propelling device is connected with the bearing inner ring fixing device through a hydraulic cylinder, and the bearing propelling device adopts a hydraulic cylinder axial propelling mode to realize axial movement and loading. Through the application of liquid nitrogen and the thermal resistance wire, the working condition of a wide temperature field is realized, simultaneous axial and radial loading is realized through the inner and outer ring fixing device, and the test of different types of bearings is realized by utilizing the telescopic structure of the disc piezoelectric ceramic.

Description

technical field [0001] The invention belongs to the field of bearing testing, and in particular relates to a loading testing platform for multi-model bearings in a wide temperature range. Background technique [0002] Bearings are the core components of many mechanical rotating equipment, involving aerospace, deep-sea ships, petrochemical and many other fields. The dynamic characteristics and life of bearings directly determine the working efficiency and machining accuracy of mechanical equipment. In order to further analyze the failure and mechanism of the bearing under different working conditions and improve the life of the bearing, the bearing test platform has been widely used. At present, the traditional bearing test platform is rarely able to meet the bearing loading test under extreme temperature. The ambient temperature can only be increased or decreased, and it is difficult to simulate the corrosion-resistant environment in a wide temperature range under extreme co...

AI Technical Summary

Problems solved by technology

At present, the traditional bearing test platform is rarely able to meet the bearing loading test under extreme temperature, the ambient temperature can only be increased or decreased, it is difficult to simulate the corrosion-resistant environment in a wide temperature range under extreme conditions

Most bearing test platforms can only meet the requirements of a single type of bearing. Even if a few can test multiple types of bearings, they basically rely on manual and complicated replacement of the shaft, which wastes a lot of manpower and material resources, and the straightness is difficult to guarantee.

At the same time, most testing machines can only load axially, and the operation is relatively difficult, which cannot meet the requirements of multi-model and multi-directional loading.

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