Multifunctional compound vibration isolator
A vibration isolator, multi-functional technology, applied in the direction of shock absorber, shock absorber-spring combination, shock absorber, etc., can solve the problem of unable to realize the adjustment of stiffness, to solve the deterioration of vibration damping performance and improve the low frequency isolation. Vibration effect, natural frequency reduction effect
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Embodiment 1
[0024] The multifunctional composite vibration isolator with adjustable stiffness and damping of this embodiment is as figure 1 , figure 2 with image 3 As shown, the electromagnetic vibration isolator with variable stiffness is composed of the base 1, the armature 4, the shell 5, the upper plate 7, the support 8, the support plate 9, the locking spring 10, the guide seat 11, and the support spring 12. The magnetorheological damper is composed of the magnetorheological damper casing 2, the magnetorheological damper intermediate shaft 3, and the magnetorheological damping valve body 6. The electromagnetic vibration isolator and the magneto-rheological damper form a parallel structure, and the two are independently fed with current.
[0025] The electromagnetic vibration isolator is a magnetic tooth structure arranged on the shell 5 and the armature 4. By changing the input excitation current, the online adjustment of the electromagnetic stiffness is realized, thereby reducin...
Embodiment 2
[0030] This embodiment is a modification of Embodiment 1, the main difference is that the magnetorheological damper is installed inside the electromagnetic vibration isolator, and its structure is as follows Figure 8 As shown, the electromagnetic vibration isolator is composed of base 1, shell 2, armature 6, shell 7, support spring 8, support 9 and support plate 10. The magneto-rheological damper is composed of the intermediate shaft 3, the valve body 4 and the housing 5 within the dotted line frame in the figure. The electromagnetic vibration isolator and the magneto-rheological damper form a parallel structure, and the two are independently fed with current.
[0031] The electromagnetic vibration isolator is a magnetic tooth structure arranged on the shell 2 and the armature 6. By changing the input excitation current, the online adjustment of the electromagnetic stiffness is realized, thereby reducing the natural frequency of the vibration isolation system. The variable d...
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