Shear mode magnetorheological elastomer frequency conversion vibration isolator

Abstract

The invention discloses a shear mode magnetorheological elastomer frequency conversion vibration isolator comprising a bolt, magnetorheological elastomer, a shell, an upper cover plate, a lower cover plate, a sealing ring, a magnet, a magnet outer cover, a magnet cover plate and a spring. The bolt is fixed in the middle of the magnetorheological elastomer via a connecting nut; the magnetorheological elastomer and the shell form a magnetorheological elastomer assembly; the two ends of the shell are matched with the upper cover plate; the upper cover plate, the lower cover plate and the magnetorheological elastomer assembly form a closed space; the sealing ring, the magnet outer cover and the magnet cover plate divide the closed space into an upper cavity and a lower cavity; the magnet is installed between the magnet outer cover and the magnet cover plate; the magnet outer cover and the magnetorheological elastomer assembly are connected through the spring. Through the movement of the magnetorheological elastomer, the positions of the magnet and the magnetorheological elastomer change relatively, so that the frequency conversion and the vibration isolation under multi-frequency working state are realized.

Description

technical field [0001] The invention relates to the field of vibration isolators, in particular to a shear mode magnetorheological elastomer frequency conversion vibration isolator. Background technique [0002] The shock absorber is mainly used to suppress the shock when the spring rebounds after absorbing the shock and the impact from the road surface. When passing through uneven roads, although the shock-absorbing spring can filter the vibration of the road surface, the spring itself will reciprocate, and the shock absorber is used to suppress this spring jumping. Shock absorber is too soft, automobile body can hop up and down, shock absorber can bring too great resistance too forcedly, cloggy bedspring works normally. [0003] Magnetorheological elastomers incorporate micron-scale ferromagnetic particles into polymers and solidify in a magnetic field environment, so that the particles in the matrix have a chain or columnar structure. The elastic modulus of this materia...

AI Technical Summary

Problems solved by technology

Shock absorber is too soft, automobile body can hop up and down, shock absorber can bring too great resistance too hard, cloggy bedspring works normally.

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