A tensile torsion fatigue test bench
A fatigue test and tested technology, applied in the direction of using stable torsion to test material strength, using stable tension/pressure to test material strength, instruments, etc., can solve the problems of high energy consumption and complex device structure, and achieve energy efficiency. Low consumption and simple structure
Active Publication Date: 2019-08-13
NORTHEASTERN UNIV LIAONING
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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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[0073] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.
[0074] refer to Figure 1-Figure 6 , The tension-torsion fatigue test bench of this embodiment includes: a bracket 1, a test piece 2, a loading device, a distance sensor, a central processing unit and a display device. In this embodiment, the vertical direction refers to the vertical direction, namely the Z direction, the lateral direction and the forward direction refer to two directions perpendicular to the horizontal plane, the lateral direction refers to the X direction, and the forward direction refers to the Y direction. In this embodiment, the first end, the first loading device and the first connecting component correspond to X reverse, Y reverse, and Z reverse, and the second end, the second loading device and the second connecting component correspond...
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The invention relates to the technical field of material and structure testing equipment and testing methods, and in particular to a tension-torsion fatigue test bench. The tensile and torsion fatigue test bench includes: a bracket, a tested piece and a loading device; the tested piece includes at least one first end and at least one second end; the loading device includes at least one first loading device corresponding to and connected to the at least one first end. device and at least one second loading device corresponding to and connected to at least one second end; the first loading device twists the first end of the test piece and axially fixes the first end, and the first loading device is arranged on the bracket; The second loading device stretches the second end of the test piece and fixes the second end circumferentially, and the second loading device is arranged on the bracket. The tension and torsion fatigue test bench of the present invention has a simple structure, low energy consumption and can conduct tensile and torsion tests 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 ...
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IPC IPC(8): G01N3/08G01N3/22G01N3/02
CPCG01N3/02G01N3/08G01N3/22G01N2203/0017G01N2203/0021
Inventor 李常有傅奎张义民黄贤振朱丽莎杨周张旭方姚国吕昊吕杭原谭学飞
Owner NORTHEASTERN UNIV LIAONING