High/low-temperature controllable multi-specification rolling bearing test bench

A bearing test and rolling bearing technology, applied in mechanical bearing testing and other directions, can solve the problems of poor versatility and high research and development costs, and achieve the effects of high fixing efficiency, increasing test range and improving test efficiency.

Inactive Publication Date: 2015-12-09
CHONGQING UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the purpose of the present invention is to provide a high and low temperature controllable multi-specifica

Method used

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  • High/low-temperature controllable multi-specification rolling bearing test bench
  • High/low-temperature controllable multi-specification rolling bearing test bench
  • High/low-temperature controllable multi-specification rolling bearing test bench

Examples

Experimental program
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no. 1 example

[0037] Such as Figure 1-5 Shown is the first embodiment of the present invention. The high-low temperature controllable multi-specification rolling bearing test bench of this embodiment is a high-temperature friction test for angular contact ball bearings, including a base 13 and a drive motor 1 arranged on the base 13, a bearing Test device, heating and cooling device and detection device, the bearing test device includes a bearing test box for fixing the test bearing to carry out the bearing test, the left bearing test box 5 and the right bearing test box 6 included in the bearing test box, in the left Between the bearing test box 5 and the right bearing test box 6, there is a test spindle 12 for testing the test bearings in the box. One end of the test spindle 12 extends out of the left bearing test box 5 and is fixed with the motor spindle, and the other end extends The right bearing test box 6 is fixed with an axial loading device, and the axial loading device includes a...

no. 2 example

[0048] Figure 6 It is a schematic structural diagram of the left bearing test box of the second embodiment of the present invention. The difference from the first embodiment is that the diameter adjustment ring of the inner ring of the bearing and the diameter adjustment ring of the outer ring of the bearing in this embodiment are provided with a diameter adjustment mechanism. The diameter adjustment mechanism on the diameter adjustment ring of the inner ring of the bearing includes at least three expansion blocks one 56 and the traction cylinder one 58 for expanding and pulling the expansion block one 56, and the diameter adjustment mechanism on the diameter adjustment ring of the bearing outer ring includes at least three Three expansion blocks 2 57 and the traction cylinder 2 59 for expansion and traction of the expansion block 2 57, in order to facilitate fixing, a traction cylinder fixing hole can be processed on the test spindle to fix the diameter adjustment ring of the...

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Abstract

The invention discloses a high/low-temperature controllable multi-specification rolling bearing test bench, and belongs to the technical field of bearing test benches. The high/low-temperature controllable multi-specification rolling bearing test bench comprises a base, and a driving motor, a bearing test device, a heating and cooling device, and a detection device which are arranged on the base. The bearing test device comprises a bearing test box used to fix a test bearing and test the bearing. The bearing test box includes a left bearing test box and a right bearing test box, and a test spindle is arranged between the left bearing test box and the right bearing test box in a penetrating mode. One end of the test spindle extends out of the left bearing test box and is fixed to a motor spindle, and the other end of the test spindle extends out of the right bearing test box and is fixed to an axial loading device. A radial loading device is arranged on the test spindle. The commonality of the test bench is improved greatly. Experimental study on different bearings, different loads and different targets can be competed with one set of equipment. Great engineering reference value is provided for optimized design, dynamic characteristic analysis, failure mechanism research and reliability analysis of rolling bearings.

Description

technical field [0001] The invention belongs to the technical field of bearing test benches, and in particular relates to a test bench with controllable high and low temperature and capable of testing multi-standard rolling bearings. Background technique [0002] As an important power transmission component, rolling bearings are widely used in fields such as construction machinery, rail transit, aerospace and new energy. Under different temperature conditions, the physical properties of rolling bearings will change significantly, which will affect their normal applications. Taking angular contact ball bearings, cylindrical roller bearings and inter-axle bearings for the main shaft of aero-engines as examples, they are often used in harsh environments such as high temperature Under the condition of working, there will inevitably be friction or collision between the rolling elements, the cage and the raceways of the inner and outer rings, resulting in thermal deformation of th...

Claims

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Application Information

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IPC IPC(8): G01M13/04
Inventor 孟凡明何荇兮刘悦程志涛
Owner CHONGQING UNIV
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