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Testing machine for oil seal abrasion resistance

A testing machine, wear resistance technology, applied in the direction of testing wear resistance, etc., can solve the problems of shortened oil seal life, increased wear of oil seal lip, long test cycle, etc.

Inactive Publication Date: 2013-01-16
YANTAI RUNFUXIANG OIL SEAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Reciprocating oil seals, such as automobile shock absorber oil seals, will bear increased pressure during use, making the contact between the oil seal and the test shaft very close, resulting in very little lubricating oil film formed between the lip of the oil seal and the test shaft. Dry friction occurs between the lip of the oil seal and the test shaft, resulting in increased wear of the lip of the oil seal and shortening the life of the oil seal. Therefore, the lip of the oil seal needs to have better wear resistance
[0003] For the wear resistance of oil seals, especially in the dry friction state, there are few evaluation methods at present. Usually, the method for evaluating the wear resistance of oil seals is the durability test method. The experimental equipment used in the durability test generally consumes a lot of energy. The cycle is long, and the data during the experiment, such as temperature, is not convenient to collect, or the friction temperature data of the oil seal part cannot be directly collected

Method used

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  • Testing machine for oil seal abrasion resistance
  • Testing machine for oil seal abrasion resistance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1, a kind of oil seal abrasion resistance testing machine, with reference to figure 1 , the upper part of the frame 9 is provided with an oil seal positioning device 5 for fixing the oil seal to be tested, the test shaft 4 passes through the oil seal positioning device 5 and is set on the upper part of the frame 9, and the upper end of the test shaft 4 is provided with a connection temperature recorder 8 The temperature sensor 7, the lower end of the test shaft 4 is connected to the crank slider reciprocating unit 3, the driving motor 2 is connected to the crank slider reciprocating unit 3, the driving motor 2 drives the crank slider reciprocating unit 3, and the test shaft 4 reciprocates up and down, The frequency converter 1 is connected to control the rotating speed of the driving motor 2, which constitutes a structure of the present invention.

Embodiment 2

[0014] Embodiment 2, a kind of oil seal abrasion resistance testing machine, with reference to figure 2 , on the basis of Embodiment 1, the oil seal positioning device 5 is that the oil seal lower positioning seat 52 is installed on the base 51, the oil seal upper positioning plate 53 is connected with the base 51 through bolts and the oil seal lower positioning seat 52 is fixed, so The crank slider reciprocating unit 3 is installed on the runner 31 on the output shaft of the drive motor 2 and is eccentrically connected with a connecting rod 32. The upper end shaft of the connecting rod 32 is connected to the lower part of the piston 33, and the upper shaft of the piston 33 is connected to the test shaft 4. 33 is installed in the cylinder body 34, is provided with the oil tank 6 that fills lubricating oil at the bottom of frame 9, and the running wheel 31 in the slider crank reciprocating unit 3 and the bottom of connecting rod 32 are soaked in lubricating oil, other and Exam...

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Abstract

The invention discloses a testing machine for oil seal abrasion resistance, which comprises a variable-frequency governor, a driving motor and a frame; an oil seal positioning device is disposed at the upper part of the frame and used for fixing the oil seal to be tested; a test shaft passes through the oil seal positioning device and is sleeved at the upper part of the frame; a temperature sensor connected with a temperature recorder is disposed at the upper end of the test shaft; a crank block reciprocating motion unit is connected with the lower end of the test shaft; the driving motor is connected with the crank block reciprocating motion unit; the driving motor drives the crank block reciprocating motion unit and the test shaft to perform up-and-down reciprocating motion; the invention has the characteristics of less energy consumption, short test period, convenient and accurate data acquisition, and effective evaluation of oil seal abrasion resistance.

Description

technical field [0001] The invention belongs to the technical field of oil seal detection equipment, and in particular relates to a test and detection device for wear resistance of a reciprocating oil seal. Background technique [0002] Reciprocating oil seals, such as automobile shock absorber oil seals, will bear increased pressure during use, making the contact between the oil seal and the test shaft very close, resulting in very little lubricating oil film formed between the lip of the oil seal and the test shaft. Dry friction occurs between the lip of the oil seal and the test shaft, resulting in increased wear of the lip of the oil seal and shortening the life of the oil seal. Therefore, the lip of the oil seal needs to have better wear resistance. [0003] For the wear resistance of oil seals, especially in the dry friction state, there are few evaluation methods at present. Usually, the method for evaluating the wear resistance of oil seals is the durability test met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56
Inventor 杜杰毕付伦杜胜东
Owner YANTAI RUNFUXIANG OIL SEAL