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Non-contact sound wave type belt tension measuring device and method

A belt tension and measuring device technology, applied in the direction of tension measurement, measuring device, force/torque/power measuring instrument, etc., can solve the problems of low measurement accuracy and troublesome installation, and achieve high measurement efficiency, convenient maintenance, and circuit structure low cost effect

Inactive Publication Date: 2021-05-11
GUANGXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention aims to solve the problems of troublesome installation and low measurement accuracy of the contact belt tension meter to be tested, and provides a non-contact acoustic wave belt tension measurement device and method

Method used

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  • Non-contact sound wave type belt tension measuring device and method
  • Non-contact sound wave type belt tension measuring device and method
  • Non-contact sound wave type belt tension measuring device and method

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific examples.

[0027] A non-contact acoustic wave belt tension measuring device, such as figure 1 As shown, it is mainly composed of a toggle rod 2, an acoustic wave sensor 3 and a tension measuring instrument 4. The stirring rod 2 is used to stir the belt 1 to be tested, so that the belt 1 to be tested can generate vibrating sound waves. In this embodiment, the toggle rod 2 is a metal rod. The acoustic wave sensor 3 is arranged near the toggle bar 2 and close to the belt 1 to be tested, and is used for collecting vibration and acoustic wave signals. In this embodiment, the acoustic wave sensor 3 is a capacitive electret microphone MK1, the positive pole of the capacitive electret microphone MK1 forms the output end of the acoustic wave sensor 3, and the negative pole of the capacitiv...

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Abstract

The invention discloses a non-contact sound wave type belt tension measuring device and method, wherein a capacitive electret microphone MK1 is used as a sound wave sensor, and the sound wave sensor is output to a single chip microcomputer circuit through a signal acquisition circuit, a triode amplification circuit, a low-pass filter circuit, an operational amplification circuit and a signal shaping circuit in sequence. Compared with a traditional direct contact type tension measurement mode, the measuring mode of the invention has the following characteristics that influence of the detection device on the tension measurement accuracy of a to-be-measured belt can be obviously reduced while the tension detection accuracy of the to-be-measured belt is high, the measurement operation is rapid and convenient, the measurement efficiency is high, the circuit structure cost is low, the instrument service life is long, the maintenance is convenient, and the cost performance is high.

Description

technical field [0001] The invention relates to the technical field of belt tension measurement to be measured, in particular to a non-contact acoustic wave belt tension measurement device and method. Background technique [0002] The belt drive to be tested is a tensioned (ring-shaped) belt to be tested, which is set on the pulleys to be tested of the two transmission shafts. The power is transmitted to the other shaft. In the process of power transmission conversion, the belt to be tested is an important transmission component, and the tension of the belt to be tested is an important parameter when it is tensioned. In the machine using the belt to be tested, in order to ensure the service life of the belt to be tested and the transmission system, it is necessary to ensure that the belt to be tested has an appropriate tension from the beginning, and the load of all the belts to be tested in the same transmission system needs to be be consistent. Excessive tension of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L5/04G01L5/10
CPCG01L5/042G01L5/10
Inventor 李德明李玉英
Owner GUANGXI NORMAL UNIV
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