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Bearing static stiffness test device and test method thereof

A test device and static stiffness technology, applied in the direction of mechanical bearing testing, measuring devices, electromagnetic measuring devices, etc., can solve the problems of inability to obtain bearing stiffness characteristics, bearing stiffness test devices and test methods, etc., and achieve simple structure and simple method Lines and parameters are accurate and reliable

Pending Publication Date: 2021-02-09
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, according to the current reports, there is no bearing stiffness test device and test method for different angular positions of the rolling elements in the bearing, and the bearing stiffness characteristics at different angular positions of the rolling elements cannot be obtained. Therefore, it is necessary to design a reasonable bearing static Stiffness test device and test method, by determining the precise positioning of the rolling elements in the bearing, to obtain sufficiently accurate stiffness parameter data, to provide a basis for the use of rolling bearings

Method used

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  • Bearing static stiffness test device and test method thereof
  • Bearing static stiffness test device and test method thereof
  • Bearing static stiffness test device and test method thereof

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Embodiment Construction

[0056] The present invention will be further described below in conjunction with accompanying drawing.

[0057] figure 1 It is the overall schematic diagram of the bearing static stiffness test device in the embodiment of the present invention, figure 2 its section view. see figure 1 with figure 2 , In this embodiment, the bearing static stiffness test device includes a test box 1, a variable cage angle device 2, a spindle 3, a support system 4, a loading system 5, a lock nut 6, a bearing seat b8 and a sensor system 9. When the test box 1 is in use, the outer ring 72 of the tested bearing 7 is placed in the tested bearing seat 8, and the bearing gland 81 and the bearing seat 8 are fixedly connected by bolts, and the bearing gland 81 fixes the outer ring 72 of the tested bearing 7 , the inner ring 74 is set on the main shaft 3 and fixed axially by the shaft shoulder b32 and the lock nut 6; the lock nut 6 is screwed into the main shaft 3 to fix the inner ring 74 of the tes...

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Abstract

The invention belongs to the technical field of rolling bearing measurement, and relates to a bearing static stiffness test device and a test method thereof. The rolling bearing static stiffness testdevice provided by the invention is correct in principle, simple in structure and convenient to assemble and disassemble; the device can accurately load the rolling bearing in the radial direction andaccurately position the circumferential angle of the rolling body, the method for testing the static stiffness of the bearing is simple and easy to implement, and the measured static stiffness parameter of the rolling bearing is accurate and reliable.

Description

technical field [0001] The invention belongs to the technical field of rolling bearing measurement, and relates to a bearing static stiffness test device and a test method thereof. Background technique [0002] The static stiffness of rolling bearing refers to the ability of the bearing to resist deformation under static load. As the core component of force bearing and transmission, its stiffness characteristics will directly affect the dynamic characteristics and vibration characteristics of the rotor system. However, the different rotation positions of the rolling elements in the bearing will cause different numbers of loaded rollers in the load-bearing area, resulting in different bearing stiffness. In order to effectively determine the bearing stiffness at different angular positions of the rolling elements, it is necessary to develop Bearing stiffness testing machine. [0003] So far, although experts at home and abroad have proposed some experimental equipment for th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/04G01B7/16G01L5/00
CPCG01M13/04G01B7/16G01L5/0009
Inventor 翟敬宇黄飞王美令韩清凯郝海
Owner DALIAN UNIV OF TECH
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