Nonlinear energy trap reduction based on filtering
A technology of nonlinear energy wells and shock absorbers, which can be used in anti-seismic, infrastructure engineering, non-rotational vibration suppression, etc., can solve problems such as lack of stability of the effect, achieve simple construction, solve unstable shock absorption, and eliminate uncertainty Effect
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specific Embodiment approach 1
[0024] Specific embodiment one: combination Figure 1 to Figure 5 To illustrate this embodiment, the filter-based nonlinear energy trap shock absorber in this embodiment includes a supporting device 1, a mass body 2, a spring damping unit 3, and a filter system 4. The supporting device 1 is a circular tray structure with a circular The circular pallet structure is formed by connecting the bottom plate 5 and the ring plate 6. The circular pallet structure is provided with a top plate 7. The mass body 2 is located inside the supporting device 1, and the mass body 2 is surrounded by a plurality of spring damping units 3 and the circular shape. The annular side walls of the tray structure are connected, and a filter system 4 is installed under the bottom plate 5 of the supporting device 1. With this arrangement, the filter-based nonlinear energy trap shock absorber can be installed between the bottom and the top slab of the building and electrical equipment, or it can be installed a...
specific Embodiment approach 2
[0025] Specific implementation manner two: combination Figure 1-Figure 6 To illustrate this embodiment, the filter system 4 of the filter-based nonlinear energy trap shock absorber of this embodiment includes a lower fixing seat 8, a middle sliding seat 9 and an upper sliding seat 10. The lower fixing seat 8 and the upper The sliding seat 10 is provided with an inner concave arc surface 12, the upper and lower surfaces of the middle sliding seat 9 have arc surfaces 13 protruding outward, the middle sliding seat 9 and the lower fixing seat 8 and the upper sliding seat 10 Cooperate with installation. So set up, any unit in the filter system, through the cross-sectional view, the filter system is composed of three parts, the lower fixing seat 8, the middle sliding seat 9 and the upper sliding seat 10, the lower fixing seat 8 and the upper sliding seat 10 have The lower arc surface and the upper arc surface, the middle sliding seat 9 is an arc surface protruding outward from the ...
specific Embodiment approach 3
[0029] Specific implementation mode three: combination Figure 1-Figure 6 To describe this embodiment, there is at least one filter system 4 in the filter-based nonlinear energy trap shock absorber of this embodiment.
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