A high-performance fluid damping vibration isolator and parallel vibration isolation platform

Abstract

The invention provides a high-performance fluid damnailg vibration isolator. The high-performance fluid damnailg vibration isolator comprises an upper connecting piece, a lower connecting piece, a rigid rod, an upper main corrugated pipe, a lower main corrugated pipe, an upper buffering corrugated pipe and a lower buffering corrugated pipe, wherein a damnailg hole is formed in the axis of the rigid rod, a first flange is arranged outside the rigid rod, the inner rings of a second flange and a third flange are connected with the two ends of the rigid rod through a diaphragm spring, and the outer rings of the second flange and the third flange are fixedly connected with the upper connecting piece; the upper main corrugated pipe is located between the first flange and the second flange, and the lower main corrugated pipe is located between the first flange and the third flange; the upper buffering corrugated pipe is arranged on the upper side of the second flange, and the lower buffering corrugated pipe is arranged on the lower side of the second flange; the upper main corrugated pipe, the lower main corrugated pipe, the upper buffering corrugated pipe and the lower buffering corrugated pipe are communicated with the damnailg hole and are filled with a fluid medium. The high-performance fluid damnailg vibration isolator has the advantages of being free of friction and fluid damnailg, high in bending rigidity, and capable of improving the performance and application range of the isolator.

Description

technical field [0001] The invention relates to the technical field of regenerative combustion design, in particular to a high-performance fluid damping vibration isolator and a parallel vibration isolation platform. Background technique [0002] Microvibration is the main factor affecting the pointing accuracy and imaging quality of remote sensing satellites. Its main characteristics are small amplitude, wide frequency range and difficult control. The micro-vibration displacement is generally on the order of microns or even smaller, but its harm is very significant; the frequency range of micro-vibration ranges from extremely low to thousands of Hz, and the vibration energy in the range of a few Hz to hundreds of Hz is relatively large and difficult to attenuate; Due to the small amplitude of vibration, the propagation mechanism in the mechanical structure is complicated, which reduces the performance of traditional vibration reduction methods. [0003] Traditional vibrati...

AI Technical Summary

Problems solved by technology

The high-performance three-parameter fluid damping vibration isolator has related patents, and this patented product has also been applied to a certain extent, but there are certain deficiencies in this product

It is mainly reflected in the following aspects: first, the bending stiffness of the vibration isolation is too low, which reduces the performance and application range of the vibration isolator; second, the structure of the vibration isolator is unreasonable, resulting in a decrease in performance, and there is room for further improvement

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