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Bearing testing machine based on three-direction vibration

A technology of bearing test and lateral vibration, which is applied in the direction of vibration test, mechanical component test, machine/structural component test, etc. It can solve the problem that the real vibration of the bearing cannot be simulated, and achieve the effect of accurate test results

Pending Publication Date: 2021-07-16
LUOYANG BEARING RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a bearing testing machine based on three-way vibration to solve the technical problem that the rolling bearing dynamic testing machine in the prior art cannot simulate the real vibration of the bearing

Method used

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  • Bearing testing machine based on three-direction vibration
  • Bearing testing machine based on three-direction vibration
  • Bearing testing machine based on three-direction vibration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Such as Figure 1 to Figure 6As shown, the bearing testing machine based on three-way vibration includes a cement box 11. A test bench is installed on the cement box 11. A test body is floatingly mounted above the test bench. The test body includes a main body base 18 and a main body cover plate 19. The main body base 18 It has a bearing supporting part for supporting the bearing fitted on the test shaft 37 .

[0048] In this embodiment, the test stand includes a base 23 and an adjustment stand 26 , and the adjustment stand 26 is slidably assembled on the base 23 along the axial direction of the test axis 37 . Specifically, such as Figure 3 to Figure 5 As shown, the upper side of the base 23 is provided with a T-shaped groove extending axially along the test axis 37, and the adjustment platform 26 is connected with bolts, and there are a plurality of bolts arranged at intervals along the axial direction of the test axis 37, and the bolt heads of each bolt All are in ...

Embodiment 2

[0065] The difference between this embodiment and Embodiment 1 is that in Embodiment 1, the damping element is a rubber block 24; in this embodiment, the damping element is a compression spring.

Embodiment 3

[0067] The difference between this embodiment and Embodiment 1 is that in Embodiment 1, a guide rod is provided between the test body and the test bench, and the rubber block 24 is set on the guide rod to ensure the stability of the rubber block. In this embodiment, a limit sleeve is fixed on the test bench, and the rubber block is placed in the limit sleeve to ensure the stability of the rubber block. The rubber block is higher than the limit sleeve to prevent the test body from compressing the rubber. When the block hits the limit sleeve, it will affect the test results.

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Abstract

The invention relates to a bearing testing machine based on three-direction vibration. The bearing testing machine based on three-direction vibration comprises a test bench; a test main body arranged above the test bench; a radial loading device used for applying a radial acting force to the test shaft; a driving device which is arranged on one side, in the axial direction of the test shaft, of the test main body and used for driving the test shaft to rotate; a transverse vibration device which is arranged on the other side, in the axial direction of the test shaft, of the test main body and used for providing transverse vibration; a vertical vibration device which is arranged on one side of the test main body in the vertical direction and is used for providing vertical vibration; a longitudinal vibration device which is arranged on one side of the test main body in the horizontal direction and is used for providing longitudinal vibration; and an air spring which is positioned between the test main body and the test bench so that the test main body is assembled above the test bench in a floating manner. The test main body is assembled above the test bench in a floating manner through an air spring so as to ensure that the test main body can vibrate in the transverse direction, the longitudinal direction and the vertical direction.

Description

technical field [0001] The invention relates to a bearing testing machine based on three-way vibration. Background technique [0002] Bearings are the key components of mechanical systems, and they need to pass the operation test to meet the national standard before they can be put into use. Through the bearing operation performance test, the bearing can be comprehensively and accurately tested, analyzed and studied, and a systematic and effective optimization design scheme can be proposed. [0003] The Chinese invention patent application with the application publication number CN112098091A discloses a rolling bearing dynamic testing machine based on active vibration, including a driving device, a test body, a radial loading device, an axial loading device, an axial vibration device, a radial vibration device and The base, the test body adopts a groove structure, and is positioned and installed on the V-shaped slide rail of the base; the driving device and the main shaft of...

Claims

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Application Information

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IPC IPC(8): G01M13/045G01M7/06G01M7/02
CPCG01M13/045G01M7/06G01M7/022G01M7/027
Inventor 申志新杨啸王健赵俊宏马德锋张海鹏刘佳高卫锋
Owner LUOYANG BEARING RES INST CO LTD
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