Roll ball quasi-zero stiffness vibration isolator
A quasi-zero stiffness, rolling ball type technology, applied in the field of rolling ball type quasi-zero stiffness vibration isolators, can solve problems such as difficulty in vibration isolation, increase the sensitivity of negative stiffness effects, reduce natural frequencies, and improve vibration isolation effects. Effect
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[0053] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0054] Such as Figures 1 to 3 As shown, a rolling ball type quasi-zero stiffness vibration isolator includes a base 12, an upper cover 2 and a connecting piece 1, including a horizontal elastic piece 7 with negative stiffness, a vertical elastic piece 15 with positive stiffness, and a horizontal The contact pair of rolling balls kept in contact by aligning the center planes, the rolling ball contact pair includes an outer rolling ball 13 and an inner rolling ball structure 14, the horizontal elastic member 7 is arranged in a horizontal adjustment mechanism, and the outer rolling ball The ball 13 is connected to the horizontal adjustment mechanism, the inner rolling ball structure 14 is connected to a horizontal vibrating table 4, and the horizontal vibrating table 4 is supported by the vertical elastic member 15, and the vertica...
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