Improvement method and device based on conventional ship vibration isolation system
A vibration isolation system and ship technology, applied in non-rotational vibration suppression and other directions, can solve the problems of poor fit, bulky, unclear response characteristics and stability, etc.
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[0038] Example one
[0039] Reference Figure 1-3 The present invention provides an improved device based on the existing ship's vibration isolation system, which is improved on the basis of the original ship's vibration isolation system, which can reduce the natural frequency of the vibration isolation system, improve the vibration isolation effect, and reduce Vibration transmission, improve sound invisibility. The vibration isolation system includes a vibration isolation equipment rack 2 and a base. The base adopts an elastic base 5. The vibration isolation equipment rack 2 is equipped with the vibration isolation equipment 1, and the vibration isolation equipment rack 2 and Several shock absorbers 4 are also arranged between the elastic bases 5. Among them, the specific structural form of the shock absorber 4 can be selected according to the specific situation, and there is no limitation here; the distribution form of the shock absorber 4 can be according to the mass distribu...
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[0058] Example two
[0059] Reference Figure 4-5 This embodiment is a modified embodiment on the basis of the first embodiment. In this embodiment, the negative stiffness adjustment mechanism adopts the Euler buckling beam arranged vertically, and the rest of the structure can refer to the related description of the first embodiment. There are no restrictions.
[0060] In this embodiment, one end of the Euler buckling beam 3 is installed on the bottom surface of the vibration isolation equipment rack 2 through the rack connection structure 3a, and the specific rack mounting mechanism 3a is fixedly installed on the bottom surface of the vibration isolation equipment rack 2 The Euler buckling beam 3 is connected to the frame mounting structure 3a; the other end of the Euler buckling beam is installed on the upper surface of the elastic base 5 through the base connection structure 3d, and the specific base connection structure 3d is fixedly installed on the elastic base On the uppe...
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