Composite structure photonic crystal vibration isolation support
A phononic crystal and vibration isolation support technology is applied in the field of composite structure phononic crystal vibration isolation supports, which can solve the problems of single vibration isolation direction, general vibration isolation effect, and narrow vibration isolation frequency range, so as to increase vibration isolation. Quantity, solve singleness, and meet the effect of vibration isolation requirements
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[0033] Example 1
[0034] combine figure 1 and figure 2 It is explained that a composite structure phononic crystal vibration isolation support in this embodiment is mainly composed of a vibration input shaft sleeve 1, a vibration isolation bushing 2, a support bushing 3, a surface-type local resonance type vibration isolation component, an embedded local The resonance type vibration isolation assembly, the outer sleeve 10, the limiting structure 11 and the vibration isolator base 12 are composed;
[0035] The surface-type local resonance type vibration isolation assembly is composed of a plurality of scatterers I4, a plurality of elastic columns 5 and a punched base plate I6. The plurality of elastic columns 5 are periodically evenly fixed on the fixing pieces on the punched base plate I6. The scatterers I4 are evenly distributed and fixed on the plurality of elastic columns 5, and the number of the two is the same;
[0036] The embedded local resonance type vibration iso...
Example Embodiment
[0039] Example 2
[0040] combine figure 2 It is explained that the vibration input shaft sleeve 1 of a composite structure phononic crystal vibration isolation support in this embodiment is inserted into the vibration isolation sleeve 2, and the two are glued together, and the vibration isolation sleeve 2 is inserted into the support sleeve 3, and the two are glued together, the support bushing 3 is inserted into the central circular hole of the surface-type local resonance type vibration isolation component and the embedded local resonance type vibration isolation component respectively, and the outer surface of the support bushing 3 is respectively It is glued together with the inner surface of the circular hole in the middle of the surface-type local resonance type vibration isolation component and the inner surface of the middle circular hole of the embedded local resonance type vibration isolation component, and the outer ring surface of the surface-type local resonance...
Example Embodiment
[0041] Example 3
[0042] combine figure 2 It is explained that the surface-type local resonance type vibration isolation components of a composite structure phononic crystal vibration isolation support in this embodiment are periodically arranged along the axial direction of the support bushing 3, and the embedded local resonance type vibration isolation components are arranged along the support bushing The sleeve 3 is arranged periodically in the axial direction, and each layer of embedded local resonance type vibration isolation components is evenly spaced between two layers of surface type local resonance type vibration isolation components. This arrangement increases the period number of the local resonance phononic crystal on the premise of ensuring the support stiffness, which is beneficial to increase the vibration isolation amount of the composite structure vibration isolator. Moreover, by evenly distributing the embedded local resonance type vibration isolation com...
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