A nonlinear vibration absorber with multi-stable stiffness
A non-linear vibration absorber and multi-stable technology, applied in the mechanical field, can solve problems such as detuning of the vibration absorber's vibration reduction effect, easy instability of the system, and large energy consumption, and achieve simple structure, strong applicability, and vibration suppression frequency The effect of bandwidth
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[0030] Such as Picture 1-1 and Figure 1-2 As shown, the present invention includes a shaft sleeve 2, a connecting rod 7, a segmented linear rod 4, a preload rod 3, an inner magnet 5 and an outer magnet 15; the shaft sleeve 2 is fixedly connected to the rotating shaft 1 by a fastening screw 9; the inner magnet 5 is arranged between the two outer magnets 15; the inner magnet 5 is fixed on the inner magnet support plate 14; the outer magnets 15 are fixed on the outer magnet support plate 10; the outer magnet support plate 10 is a disc structure with a central hole 20 and is sleeved on the rotating shaft 1 through the center hole, and is fixedly connected with the rotating shaft by the fastening screw 9; the inner magnet support plate 14 is sleeved on the rotating shaft 1 and the diameter of the circular hole arranged at the center of the inner magnet support plate is greater than the outer diameter of the rotating shaft, Such a structure ensures that the inner magnet can move r...
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