Flutter wind tunnel test device for flexural-torsional rigidity decoupling
A technology for wind tunnel testing and torsional stiffness, applied in measurement devices, aerodynamic testing, testing of machine/structural components, etc., can solve problems such as deviation, and achieve high efficiency, high practical value, and easy installation and use. Effect
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[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0020] Such as figure 1 As shown, the present invention is a flutter wind tunnel test device with bending and torsional stiffness decoupling, comprising an aerodynamic lift surface 1, an acceleration sensor 2, a rotating shaft 3, a bearing 4, a flange 5, an anti-fall pin 6, and a torsion bearing 7. Torsion spring 8, cantilever steel beam 9, bending support 10 and aluminum handle 11. The acceleration sensor 2 is placed inside the aerodynamic lifting surface 1, the aerodynamic lifting surface 1 is fixedly connected to the rotating shaft 3, the rotating shaft 3 is fixed on the torsion bearing 7 through the bearing 4 and the flange 5, and the rotating shaft 3 and the torsion bearing 7 are connected by a torsion spring 8 connection, the torsion support 7 is fixed at the ends of two cantilever steel beams 9, and the two cantilever steel be...
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