Ten-channel organic material automatic stress/strain loading and monitoring device

Abstract

The present invention discloses a Ten-channel organic material automatic stress / strain loading and monitoring device. The device comprises a main frame, wherein the main frame is used for carrying stress loading, and includes a support box, a support frame and an upper cover body, the support box is provided with a loading station, which is arranged in two rows, with each row arranged with five loading shafts; and a fixture is installed on the loading shaft, a servo motor system is connected to the fixture, the servo motor system includes a reducer, an electric cylinder, a servo motor, a forcesensor and a fixture connecting rod sequentially from top to bottom, and the fixture connecting rod is fixedly connected to the fixture. The device can simultaneously perform independent control andloading of 10 test pieces at one time, realize real-time monitoring of stress and strain at the same time, provides an efficient and reliable technical means for evaluation of service behavior of organic materials under long-term stress loading conditions.

Description

technical field [0001] The invention relates to the technical field of material detection devices, in particular to a ten-channel automatic stress / strain loading and monitoring device for organic materials. Background technique [0002] The problem of material storage effectiveness is an important engineering problem faced by materials in the inventory environment. However, the key reason why this problem has not been solved is that the change law of material properties cannot be accurately obtained. The change law of material performance in service environment is the prerequisite for material life prediction, mechanism research, aging model establishment, and even providing important performance parameters for component life and compatibility evaluation. In addition to thermal aging in the real service environment, organic materials will also experience complex stress aging, which will accelerate the physical changes of the material and the change of macroscopic properties,...

AI Technical Summary

Problems solved by technology

The weight-hanging constant stress loading test system method has the advantages of stable stress loading and low research cost, but it cannot be realized in a relatively complex service stress environment, such as when the environmental stress is different at different times. Automatic variable stress loading and the inability to realize step stress loading limit the research scope of stress loading aging test

The uniaxial creep testing machine can realize uniaxial long-term stress loading and monitoring. However, for aging research, the test sample size is insufficient and the number of parallel pieces is small, which will make the data less systematic and statistical. Therefore, it is necessary to obtain Aging test results with a high degree of confidence require aging tests on a large number of samples, and the demand for uniaxial creep testing machines is large, which greatly increases the cost of test research and the experimental site

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