Rotating bending fatigue test device and method with axial load control function
A technology of bending fatigue and axial load, applied in the direction of testing material strength by applying stable bending force, testing material strength by applying stable tension/pressure, testing material strength by applying repetitive force/pulsation force, etc., can solve the problem that cannot be solved Apply average load and other issues to achieve the effect of simple structure, low manufacturing and use costs, and low energy consumption
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[0048] Hereinafter, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that, the embodiments in the present application and the features in the embodiments may be arbitrarily combined with each other if there is no conflict.
[0049] like figure 1The device shown, its basic structure is a four-point bending force structure. The device includes: a test sample 1 , two sample fixing shafts 2 , two tapered roller bearings 13 , two fixing sleeves 14 , and pivot points 3 , 4 , and 5 on the fixing sleeve 14 . The test sample 1 is fixed in the middle of the sample fixing shaft 2, and the test sample 1 and the sample fixing shaft 2 rotate around their own axes. The sample fixing shaft 2 is installed in the middle of the fixing sleeve 14 through the tapered roller bearing 13 . The fixed loading hinge point 3 and the axial loading hinge point 5 on the fixed sleeve 14 support the weight of the entire four...
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