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Reciprocating type mechanical friction interface in-situ information acquisition device

A technology of mechanical friction and obtaining devices, which is applied in the direction of adopting mechanical devices, measuring devices, adopting optical devices, etc., can solve the problems of influence and inconsistent linear speed, etc., and achieve the effect of high precision and stable speed

Pending Publication Date: 2020-01-24
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most of the existing friction testing instruments are carried out on the rotating friction plate, which will cause the linear velocity of friction at different positions of the sample to be inconsistent, and the speed has a great influence on the wear condition.
And the current friction and wear measuring instruments cannot realize real-time information collection and analysis

Method used

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  • Reciprocating type mechanical friction interface in-situ information acquisition device
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  • Reciprocating type mechanical friction interface in-situ information acquisition device

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Embodiment Construction

[0027] The present invention is described below in conjunction with accompanying drawing.

[0028] like Figure 1 to Figure 3As shown, the present invention is composed of a test bench base A, a power mechanism B, a friction mechanism C, a side monitoring device D, a loading device E and a bottom surface detection device F. The power mechanism B passes through the bearing seat I14, the bearing seat II20, The horizontal plate 11 of the bracket 10 is fixed on the rear part of the bottom plate 1 of the test bench base A; the lower part of the guide rail I31 of the friction mechanism C is fixed on the upper surface of the U-shaped plate II8 of the experimental bench base A, and the lower part of the guide rail II32 of the friction mechanism C It is fixed on the U-shaped plate I2 of the base A of the test bench; the high-speed camera I38 of the side monitoring device D is fixed on the left front part of the plate II6 in the base A of the test bench through the horizontal plate of t...

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Abstract

The invention provides a reciprocating type mechanical friction interface in-situ information acquisition device, and belongs to the technical field of mechanical friction detection. A reciprocating screw driving method is adopted, and the running speed is stable in the whole process. Since an experimental table is in a reciprocating mode, the speed of points of the friction of a sample to be measured is consistent; a method that a force sensor and acceleration sensor compensate each other is used, so that the precision of a friction force measurement result is very high; a pressure loading mechanism is controlled by a motor screw module, and the force sensor is used for real-time feedback. Before the experiment, the weight of a chuck on the lower part of the force sensor, the sample and the like is eliminated, so accurate loading is achieved. Different friction plates are replaced, so that the friction mechanical characteristics, wear conditions, the temperature and stress change of different sample bodies can be quickly and accurately monitored in real time and detected.

Description

technical field [0001] The invention belongs to the technical field of mechanical friction detection, and in particular relates to a reciprocating mechanical friction interface in-situ information acquisition device. Background technique [0002] Tribology is the science that studies the interaction between surfaces during the relative motion of objects. It is an interdisciplinary subject involving fields such as mechanics, physics and chemistry. The changes in surface topography, surface composition, and structure induced by friction are very complex. Due to the diversity of surface properties, material types, lubrication states, and environmental atmosphere effects, the friction interface changes rapidly with time during the experiment. Therefore, real-time in-situ analysis of the friction contact surface is required. [0003] At present, most of the existing friction test instruments are carried out on the rotating friction plate, which will cause the linear velocity of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/00G01N19/02G01N3/56G01L5/00G01B11/00G01J5/00
CPCG01N19/00G01N19/02G01N3/56G01L5/00G01B11/00G01J5/00G01J2005/0077
Inventor 齐江涛张志辉谢海量袁洪方李秀娟夏晓东田辛亮孙会彬田宏丽丛旭刘凯李茂苏肇明
Owner JILIN UNIV
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