Method for testing lateral rigidity of metamaterial vibration isolators
A technology of lateral stiffness and testing methods, which is applied in the testing of machine/structural components, elastic testing, and material analysis, etc., can solve the problems of lagging product development cycle, increasing product design and development costs, etc., shortening the research and development cycle, reducing Design process, effect of ensuring accuracy
Pending Publication Date: 2021-04-09
WUHAN SECOND SHIP DESIGN & RES INST
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Problems solved by technology
It can be seen that the existing metamaterial vibration isolator lateral stiffness test method seriously lags behind the product development cycle, and the design of a special loading and clamping device also increases the design and development costs of the product
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[0035] The transverse stiffness test is carried out on the metamaterial vibration isolator of the metamaterial vibration isolator with the specification of MI3000-7. The metamaterial vibration isolator of this specification is composed of two metamaterial vibration isolators 2. The structure of the metamaterial vibration isolator is as follows: Figure 4 As shown, the unit cell configuration of the metamaterial vibration isolator 2 is a honeycomb hexagonal unit cell structure, and the unit cell configuration of the metamaterial vibration isolator of the present invention includes but is not limited to traditional hexagonal unit cells and derived unit cell configuration. The rated load of each metamaterial vibration isolator of MI3000-7 is 1500kg, and the external dimensions are 163mm×159mm×49mm. The thickness of the unit cell array layer of the metamaterial vibration isolator 2 is 33mm, and the thickness of the upper and lower solid layers is 8mm. Figure 5As shown, the deform...
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Abstract
The invention discloses a device and a method for testing the lateral rigidity of metamaterial vibration isolators, and belongs to the technical field of metamaterial structure testing. The device comprises a vice for clamping the vibration isolators and a T-shaped force transmission plate for transmitting the shearing force of a press. An L-shaped boss is machined on a jaw opposite to the vice and used for supporting a solid layer on one side of each metamaterial vibration isolator; the T-shaped force transmission plate is clamped between the two oppositely-installed metamaterial vibration isolators, and the bottom face of a boss of the T-shaped force transmission plate makes contact with the top faces of the solid layers on the other sides of the metamaterial vibration isolators; the vice generates compression deformation by applying horizontal compression force to the two metamaterial vibration isolators, and simulates bearing deformation of the metamaterial vibration isolators in actual work; and loading force is transmitted to the upper top face of the metamaterial vibration isolator through the T-shaped force transmission plate in the vertical direction, and testing of the lateral rigidity of the vibration isolators is achieved. The lateral rigidity of the metamaterial vibration isolation core component can be directly tested, rapid data support is provided for loop iteration design, the product development period can be effectively shortened, and the design cost is reduced.
Description
technical field [0001] The invention belongs to the technical field of metamaterial structure testing, and in particular relates to a device and a testing method for testing the transverse stiffness of a metamaterial vibration isolator. Background technique [0002] Metamaterial technology is a disruptive technology that has emerged in the past decade. Metamaterials have extraordinary physical properties that natural materials do not possess. Through the orderly design of structures on the key physical scales of materials, they can break through certain apparent natural laws. Constraints to obtain supernormal material functions beyond the ordinary properties inherent in nature. The vibration isolator designed using metamaterial technology is called a metamaterial vibration isolator. The three-dimensional stiffness of the metamaterial vibration isolator is designable, and the vibration isolator can be quantitatively designed according to the requirements of vibration isolatio...
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IPC IPC(8): G01M5/00G01N3/04G01N3/10G01N3/24
CPCG01M5/005G01N3/24G01N3/10G01N3/04G01N2203/0019G01N2203/0025G01N2203/0075
Inventor 张安付王鹏赵志高丰星星游卓黎焕敏张向东吴涛张昊陈虹
Owner WUHAN SECOND SHIP DESIGN & RES INST