Rubber tension-torsion fatigue comprehensive testing machine based on Peltier effect

Abstract

The invention discloses a rubber tension-torsion fatigue comprehensive testing machine based on the Peltier effect. The rubber tension-torsion fatigue comprehensive testing machine comprises a double-end controllable type torsion fatigue testing assembly, a double-end controllable type tensile fatigue testing clamping assembly and a thermoelectric excitation type centering transverse moving type refrigerating and heating assembly. The invention belongs to the technical field of rubber material fatigue performance detection, according to the Peltier effect, heat absorption and heat release phenomena occur at the joint of an N-type semiconductor and a P-type semiconductor according to different current directions, the temperatures of a positive electrode guide plate and a negative electrode guide plate can be reduced by utilizing the phenomena, and the fatigue performance of a rubber material is improved. The temperature of the corresponding metal guide plate is increased, so that the rubber is cooled or heated, a stretching driving motor drives a supporting bottom plate to reciprocate up and down, the end part of the rubber is stretched, the tensile strength of the rubber is tested, a torsion driving motor drives a torsion driven gear to rotate, and the tensile strength of the rubber is tested. The upper end and the lower end of the rubber generate torsional deformation, so that the torsional fatigue strength is tested.

Description

technical field [0001] The invention belongs to the technical field of fatigue performance detection of rubber materials, in particular to a comprehensive rubber tensile-torsional fatigue testing machine based on the Peltier effect. Background technique [0002] The rubber fatigue testing machine is a device used to test the mechanical properties of rubber materials such as tension, compression and torsion. The traditional rubber fatigue testing machine can only test the single mechanical properties of rubber, and does not have the ability to comprehensively test the mechanical properties of rubber. However, the stress and working environment of rubber in practical applications are more complicated, especially under low temperature and high temperature conditions, rubber still needs to have good physical and mechanical properties, but the current rubber fatigue testing machine can only test laboratory. The fatigue strength of rubber under low temperature and high temperature...

AI Technical Summary

Problems solved by technology

[0002] The rubber fatigue testing machine is a device used to test the mechanical properties of rubber materials such as tension, compression and torsion. The traditional rubber fatigue testing machine can only test the single mechanical properties of rubber, and does not have the ability to comprehensively test the mechanical properties of rubber. The function of testing, but the stress and working environment of rubber in actual application are more complicated, especially under low temperature and high temperature conditions, rubber still has good physical and mechanical properties, but the current rubber fatigue testing machine can only test laboratory The fatigue strength of rubber under low temperature and high temperature working conditions cannot be measured, so a rubber fatigue testing machine is urgently needed to solve the above problems

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