Rolling bearing performance test device based on belt drive with radial alternating load

A technology for rolling bearings and alternating loads, which is applied in the field of rolling bearing performance test devices, and can solve the problems of single loading characteristics, inability to carry internal combustion engine-loaded rolling bearing tests, and inability to load variable loads, etc.

Inactive Publication Date: 2018-06-22
SHANGHAI JIAN QIAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the traditional rolling bearing test device has a single loading characteristic and cannot be loaded with variable loads. In real internal combustion engines, dynamically loaded

Method used

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  • Rolling bearing performance test device based on belt drive with radial alternating load
  • Rolling bearing performance test device based on belt drive with radial alternating load

Examples

Experimental program
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Embodiment

[0033] Such as figure 1 The rolling bearing performance test device based on the radial alternating load applied by the belt drive shown in the figure, the rolling bearing 12 includes a bearing inner ring, a bearing outer ring sleeved outside the bearing inner ring, and a retaining ring arranged between the bearing outer ring and the bearing inner ring. frame and a plurality of rolling elements evenly arranged on the cage along the circumference of the inner ring of the bearing. The device includes a worktable 15, a rotating shaft supporting mechanism arranged on the working table 15, and a rotating shaft that runs through the rotating shaft supporting mechanism in the horizontal direction. 10. The drive motor 2 arranged on the workbench 15 and connected to one end of the rotating shaft 10 and the radial alternating load loading unit 7 arranged on the workbench 15 and adapted to the rotating shaft 10, such as figure 2 As shown, the radial alternating load loading unit 7 inclu...

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Abstract

The invention relates to a rolling bearing performance test device based on belt drive with radial alternating load, comprising a workbench, a rotary shaft support mechanism, a rotary shaft, a drivingmotor and a radial alternating load application unit; the radial alternating load application unit comprises a loading unit support, a clamp block component and a pair of synchronous belt radial loading mechanisms mutually perpendicularly arranged on the loading unit support; each synchronous belt radial loading mechanism comprises a first rotary motor, a second rotary motor, a first synchronousbelt component, a first spring loading component, a second synchronous belt component and a second spring loading component. Compared with the prior art, the rolling bearing performance test device based on belt drive with radial alternating load has the advantages that the first rotary motor and the second rotary motor can apply radial alternating load to a rolling bearing in the clamp block component respectively through the first spring loading component and the second spring loading component so as to simulate true working conditions of a dynamic load rolling bearing in an internal combustion engine, and it is ensured that rolling bearing performance test results are accurate and reliable.

Description

technical field [0001] The invention belongs to the technical field of internal combustion engines, and relates to a rolling bearing performance test device for applying radial alternating loads based on belt transmission. Background technique [0002] As power equipment, internal combustion engines have been widely used in many industries such as automobiles, ships, aircraft, tanks, railway locomotives, agricultural machinery, construction machinery, generator sets, etc., and occupy a very important position in the national economy. The internal combustion engine includes several pairs of important friction pairs such as the conveyor belt fixed block-cylinder liner, the conveyor belt fixed block ring-cylinder liner, the crankshaft-bearing and the cam-lift rod, among which the crankshaft-bearing includes the main bearing and the connecting rod bearing (due to the The magnitude and direction of the working load of the type bearing change with time, so it is usually called a d...

Claims

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Application Information

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IPC IPC(8): G01M13/04
CPCG01M13/04
Inventor 张迪刘立华陈志澜
Owner SHANGHAI JIAN QIAO UNIV
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