Measurement system and method for dynamic sliding friction coefficients

A sliding friction coefficient and measurement system technology, applied in the direction of measuring devices, instruments, and mechanical devices, can solve the problems of few determination coefficients, harsh experimental conditions, and narrow loading range of sliding speed, and achieve wide loading range and small volume , the comprehensive effect of measurement parameters

Inactive Publication Date: 2018-05-15
BEIJING INFORMATION SCI & TECH UNIV
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Problems solved by technology

[0003] In order to solve the technical problems of the existing sliding friction coefficient measurement system and method, such as harsh experimental conditions, few measurement coefficients, and narrow sliding speed loading range, the present invention provides a dynamic sliding friction coefficient measurement system and method

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  • Measurement system and method for dynamic sliding friction coefficients
  • Measurement system and method for dynamic sliding friction coefficients
  • Measurement system and method for dynamic sliding friction coefficients

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[0035] The specific embodiment of the present invention will be described in further detail by describing the embodiments below with reference to the accompanying drawings, the purpose is to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solutions of the present invention, and contribute to its implementation.

[0036] see figure 1 As shown, the dynamic sliding friction coefficient measurement system provided by the present invention includes a parameter loading system 1, a power supply device 2 connected to the input end of the parameter loading system 1, a sensor signal system reading system 3 connected to the output end of the parameter loading system 1, The data processing system 4 connected with the sensor signal system reading system 3; the parameter loading system 1 is composed of a vertical load loading and force measurement system 101 and a slip speed and temperature control system 102; the power...

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Abstract

The invention provides a measurement system and method for dynamic sliding friction coefficients. The system comprises a parameter loading system, a power supply device connected with the input terminal of the parameter loading system, a sensor signal reading system connected with the output terminal of the parameter loading system, and a data processing system connected with the sensor signal reading system 3. The system and the method solve the technical problems of strict experiment requirements, less measured coefficients and narrow sliding velocity load range in the existing measurement system and method for sliding friction coefficients. The system and the method have the advantages that the change rule of sliding friction coefficients along with load, sliding velocity, rough pavement, rubber property and temperature can be tested, and the continuous loading and keeping of vertical load, sliding velocity and temperature are realized.

Description

technical field [0001] The invention belongs to the technical field of friction experiment equipment and tire mechanics testing, and in particular relates to a system-level method for measuring dynamic sliding friction coefficient. Background technique [0002] The dynamic sliding friction coefficient has strong nonlinear characteristics, which has an important influence in the fields of tire mechanics and precise control. For this reason, it is of great significance to obtain the nonlinear variation law of dynamic sliding friction coefficient with load, sliding velocity, rough surface, rubber properties and temperature. At present, there is a friction coefficient measuring device that uses a vertical disc to load the sliding velocity, but the volume of the rubber block and the radius of curvature of the disc are small, the measurement accuracy is poor, and the road characteristics cannot be effectively judged. The sliding friction coefficient measuring device using a horiz...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/02
CPCG01N19/02
Inventor 马彬陈勇林幕义王新果
Owner BEIJING INFORMATION SCI & TECH UNIV
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