A multi-degree-of-freedom metal rubber damper

Abstract

The invention relates to a multi-degree-of-freedom metal rubber damper, and belongs to the field of mechanical vibration isolation. The multi-degree-of-freedom metal rubber damper comprises a base connector, a metal rubber bar set A, a load connector, a metal rubber bar set B, a sleeve set, a screw set and a nut set. The base connector and the load connector are coaxially arranged up and down, the metal rubber bar set B is arranged in the load connector, the metal rubber bar set A is arranged in the base connector and is inserted into the load connector, and metal rubber bars in the metal rubber bar set A are coaxial with metal rubber bars at the corresponding positions in the metal rubber bar set B. Sleeves in the sleeve sets are inserted into center holes of all the metal rubber bars in the metal rubber bar set A and the metal rubber bar set B, and all screws in the screw set are inserted into the sleeves in the sleeve set and are connected with all nuts in the nut set in a threaded mode to constitute a whole. The multi-degree-of-freedom metal rubber damper achieves the purpose that damping can be provided by the metal bars no matter what sort of relative movement is made between a base and a load, thereby being very suitable for spaceflight structures.

Description

technical field [0001] The invention belongs to the technical field of mechanical vibration isolation, and in particular relates to a damping device with omnidirectional vibration isolation performance suitable for space structures. Background technique [0002] Modern satellites usually contain a large number of large flexible structures, such as solar cell sails, flexible antennas, etc., and the payloads on the satellite also put forward higher and higher requirements for the dynamic environment of the working state. Because the satellite still has to bear many vibration excitations during its orbital operation, although these vibration excitations are not large in magnitude, they are likely to affect the normal operation of key components. For example, it may cause attitude control accuracy of the flexible component, or affect the imaging accuracy of the optical imaging component. Adding damping to critical components of a satellite is the most direct and effective way t...

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art, and propose a multi-degree-of-freedom metal-rubber damper, which is entirely made of metal materials, avoiding the use of rubber, viscoelastic materials or fluids as damping in traditional space dampers Inherent disadvantages of poor adaptability to the environment when using materials

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