Hinge-type buffer device for satellite flywheel vibration isolation bracket

Abstract

The invention provides a hinge-like type buffer device for a vibration isolation bracket of a satellite flywheel. The hinge-like type buffer device comprises a movable rod, a first sealing cover, a second sealing cover, a fixed rod, a pin shaft, first cushions, second cushions and third cushions, wherein the first cushions are respectively embedded into inner circular cavities of the first sealing cover and the second sealing cover, and the first sealing cover and the second sealing cover are connected into a whole by virtue of the fixed rod; the second cushions sleeve both ends of the pin shaft, and the pin shaft passes through a positioning hole in the movable rod and through holes in the first cushions, the second cushions and the third cushions and then is connected with the movable rod; the third cushions are pasted on the first sealing cover and the second sealing cover. The hinge-like type buffer device has the advantages of reasonable structure, light weight, small size, simple structure, convenience in assembly, low manufacturing cost, high applicability and the like, the vibration isolation bracket of the flywheel can safely pass a launching powered phase, the vibration response magnification of a flywheel installation interface caused by the powered phase does not exceed required indexes, and the in-orbit vibration isolation performance of the vibration isolation bracket of the flywheel is not influenced.

Description

technical field [0001] The invention relates to a buffer device, in particular to a hinge-like buffer device for a satellite flywheel vibration isolation support. Background technique [0002] The performance of optical satellites is developing in the direction of high precision and high stability, so it is very important to reduce the vibration interference caused by the flywheel. At present, this purpose can be achieved by installing a passive vibration isolation bracket between the flywheel and the star, but the vibration isolation bracket has low stiffness and cannot safely pass through the active launch section. Adding an unlocking device to the vibration isolation bracket will increase the system quality, resource requirements, layout difficulty, and reduce system reliability. Therefore, it is necessary to design a buffer device so that the vibration isolation bracket can pass through the active section, so that the vibration isolation bracket will not be damaged, and ...

AI Technical Summary

Problems solved by technology

The invention has the characteristics of excellent performance, light weight, small size, easy manufacture, and low cost, and solves the technical problem that the satellite flywheel vibration isolation support safely passes through the active launch section

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