Quasi-zero stiffness vibration isolator based on transverse groove spring
A quasi-zero stiffness, vibration isolator technology, applied in the design characteristics of spring/shock absorber, spring/shock absorber functional characteristics, spring/shock absorber, etc., can solve small static displacement, linear vibration isolator cannot Realization, wide vibration isolation frequency band and other issues, to achieve the effect of simple structure, good low frequency vibration isolation effect, wide vibration isolation frequency band
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specific Embodiment approach 1
[0026] A quasi-zero-stiffness vibration isolator based on transverse groove springs in this embodiment comprises a positive stiffness mechanism, a balance position adjustment structure support frame 5, and a set of negative stiffness mechanisms; the upper surface of the bottom plate of the support frame 5 is set The balance position adjustment structure, the upper part of the balance position adjustment structure is provided with a positive stiffness mechanism, and the positive stiffness mechanism is connected to the inner wall of the side panel of the support frame 5 through a group of negative stiffness mechanisms around it, and both ends of the negative stiffness mechanism are respectively connected to the The positive stiffness mechanism is connected with the inner wall of the side panel of the support frame 5 .
specific Embodiment approach 2
[0027] Different from Embodiment 1, in this embodiment, a quasi-zero-stiffness vibration isolator based on transverse groove springs, the negative stiffness mechanism includes an oblique spring 4 and two sets of rotating pairs, each set of rotating pairs Including the rotating pin 2 and the oblique spring seat 1, the two ends of the oblique spring 4 are respectively hinged with the oblique spring seat 1 through the rotating pin 2, one of which is fixedly installed on the inner wall of the side panel of the support frame 5, and the other oblique spring seat 1 fixedly installed on the positive stiffness mechanism.
specific Embodiment approach 3
[0028] The difference from the second embodiment is that in this embodiment, a quasi-zero stiffness vibration isolator based on transverse groove springs, the positive stiffness mechanism includes a vertical spring 6 and a bearing platform 3; the top of the vertical spring 6 is the same as The bearing platform 3 is fixedly arranged on the axis, and an oblique spring seat 1 of the negative stiffness mechanism is fixed on the side of the bearing platform 3 of the positive stiffness mechanism.
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