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Gear transmission-based rolling bearing performance testing device capable of applying radial alternating load

A rolling bearing and alternating load technology, which is applied in the field of rolling bearing performance test equipment, can solve the problems of rolling bearing tests that cannot be carried by internal combustion engines, single loading characteristics, and incapable of variable load loading, etc., and achieve accurate and reliable test results

Inactive Publication Date: 2018-05-15
SHANGHAI JIAN QIAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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  • Gear transmission-based rolling bearing performance testing device capable of applying radial alternating load
  • Gear transmission-based rolling bearing performance testing device capable of applying radial alternating load

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Embodiment

[0032] like figure 1The shown rolling bearing performance test device is based on gear transmission and radial alternating load is applied. 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 includes a loadin...

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Abstract

The invention relates to a gear transmission-based rolling bearing performance testing device capable of applying a radial alternating load. The device comprises a worktable, a rotating shaft supporting mechanism, a rotating shaft, a drive motor and a radial alternating load loading unit, wherein the radial alternating load loading unit comprises a loading unit bracket, a clamping block assembly,and a pair of gear transmission radial loading mechanisms arranged on the loading unit bracket in a mutually perpendicular manner; and the gear transmission radial loading mechanisms comprise a firstrotating motor, a second rotating motor, a first gear transmission loading assembly and a second gear transmission loading assembly Compared with the prior art, the gear transmission-based rolling bearing performance testing device disclosed by the invention has the advantages that the radial alternating load can be loaded to a rolling bearing in the clamping block assembly by the first rotating motor and the second rotating motor in the two gear transmission radial loading mechanisms by virtue of the first gear transmission loading assembly and the second gear transmission loading assembly respectively, so that real working conditions of a dynamic load rolling bearing in an internal combustion engine are simulated, and accurate and reliable performance testing results of the rolling bearing are ensured.

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 gear 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 piston-cylinder liner, piston ring-cylinder liner, crankshaft-bearing and cam-tappet. Among them, the crankshaft-bearing includes main bearing and connecting rod bearing (due to the working load of this type of bearing The size and direction of the internal combustion engine change with time, so it is usually called a dynamic load bearing), which is one of ...

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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