Tension-torsional fatigue test stand

Abstract

The invention relates to the technical fields of materials, structural test equipment and structural test methods, in particular to a tension-torsional fatigue test stand. The tension-torsional fatigue test stand comprises a bracket, a test piece to be tested, and a loading device, wherein the test piece to be tested comprises at least one first end and at least one second end; the loading device comprises at least one first loading device corresponding to and connected with the at least one first end, and at least one second loading device corresponding to and connected with the at least one second end; each first loading device is used for twisting the corresponding first end of the test piece to be tested, and is used for fixing the first end along the axial direction; the first loading devices are arranged on the bracket; each second loading device is used for tensioning the corresponding second end of the test piece to be tested, and is used for fixing the second end along the circumferential direction; the second loading devices are arranged on the bracket. The tension-torsional fatigue test stand provided by the invention is simple in structure and lower in energy consumption, and can be used for carrying out a tension test and a torsion test on the test piece at the same time.

Description

technical field [0001] The invention relates to the technical field of material and structure test equipment and test methods, in particular to a tension-torsion fatigue test bench. Background technique [0002] Fatigue test bench is to carry out tension, compression, bending, torsion, shear, impact and other tests on various materials, parts and components, and measure the elasticity, plasticity, toughness and strength of the tested materials, parts and components through the test , Stiffness and other mechanical properties of equipment. [0003] A composite load material mechanics testing system in the prior art under induction heating mode, including a tensile module driving unit and a double-ended torsion module driving unit, the tensile module driving unit is driven by a bidirectional ball screw to test along the double-ended torsion module bearing table The horizontal direction of the table is stretched synchronously, and the double-ended torsion module completes the ...

AI Technical Summary

Problems solved by technology

In the above-mentioned induction heating mode, the composite load material mechanics test system needs to move the torsion module as a whole to achieve stretching, and the torsion modules need to be arranged in pairs to achieve torsion. The structure of the whole device is complicated and the energy consumption is relatively large.

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