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Lever-type force measuring device for tension-compression of bundle fibers and application thereof

A force measuring device, lever-type technology, applied in the direction of measuring device, using stable tension/pressure test material strength, instrument, etc., can solve problems such as poor data representation, reduce system error, in-situ measurement, test wide range of effects

Inactive Publication Date: 2019-03-29
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Strain wires can be used to test mechanical properties such as tension, compression, and bending, but they can only be used to measure the strength of single fibers, and the data representation is poor.

Method used

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  • Lever-type force measuring device for tension-compression of bundle fibers and application thereof
  • Lever-type force measuring device for tension-compression of bundle fibers and application thereof
  • Lever-type force measuring device for tension-compression of bundle fibers and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Taking carbon fiber (C fiber 2.2K) as an example, test its tensile properties. Set the clamp distance to 10cm, and the tensile speed to 100mm / min, then the test results are as follows Figure 4 shown.

Embodiment 2

[0069] Taking Xinjiang wool (66s) as an example, its tensile properties were tested. Set the clamp distance to 10mm and the tensile speed to 10mm / min, then the test result Figure 4 shown.

Embodiment 3

[0071] Taking viscose fiber (0.67dtex) as an example, test its tensile properties. Set the clamp distance to 10mm, the tensile speed to 10mm / min, and the stepper motor speed to 10r / min, then the test results are as follows Figure 4 shown.

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PUM

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Abstract

The invention provides a lever-type force measuring device for the tension-compression of bundle fibers and an application thereof. The device comprises a fixed clamping mechanism and a movable clamping mechanism which are used for clamping or unclamping the bundle fibers. The fixed clamping mechanism is arranged on a stress bearing frame used for achieving a tensile force transmission. The movable clamping mechanism is arranged on a moving frame. A force measuring mechanism is connected with the stress bearing frame. The device further comprises a tension-compression mechanism used for driving the moving frame to move and a measurement control system used for collecting data and controlling mechanisms to operate. The moving frame is driven through the tension-compression mechanism to stretch or compress the clamped bundle fibers, and the displacement amount is measured by a stepping motor. A lever-type force bearing mechanism composed of a fulcrum axis and a simple beam transmits thedrawing force or the compressing force to the force measuring mechanism to measure the stress value of the bundle fibers. The device can not only perform a same sample measurement of stretching and compressing of the bundle fibers, but also can be suitable for films, fabrics and sheet materials.

Description

technical field [0001] The invention relates to a lever-type force-measuring device for pulling and compressing bundle fibers and its application, and belongs to the technical field of bundle fiber mechanics measuring instruments. Background technique [0002] Due to the rapid development of the world economy and the rapid progress of science and technology, various industries have higher and higher requirements for various mechanical properties of materials, and correspondingly increase the requirements for the performance of experimental instruments. Especially for the textile industry, the total annual fiber demand is 50 million tons. How to measure the mechanical properties of these fibers simply, quickly and accurately has become an important issue. Most of the previous measuring instruments for fiber mechanical properties are aimed at single fibers, but the measurement of single fibers is not only time-consuming, laborious and cumbersome, but also the test results can...

Claims

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Application Information

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IPC IPC(8): G01N3/08G01N3/04
CPCG01N3/04G01N3/08
Inventor 刘洪玲于伟东卢笛崔瑞国
Owner DONGHUA UNIV