Magnetostriction actuator displacement magnification mechanism

Abstract

The invention relates to a magnetostriction actuator displacement magnification mechanism. The mechanism comprises a magnetostriction actuator, a displacement magnification mechanism, splints and support seats, the magnetostriction actuator is fixed on the bottom, four support seats are fixed above the top cover of the magnetostriction actuator; the displacement magnification mechanism is installed on the top end of the output shaft of magnetostriction actuator; two splints are fixedly installed through screw bolts on the two sides of the displacement magnification mechanism; the support seats are fixed on the two sides of the splints through the screw bolts symmetrically in pairs; the displacement magnification mechanism and the splints are fixed by the screw bolts through four support seats with the upper cover of the magnetostriction actuator. The differential leverage principal is utilized by the magnetostriction actuator displacement magnification mechanism, the magnification of the outputted infinitesimal displacement through the flexure hinge elastic deformation in the magnetostriction actuator work process is achieved, the job requirements are met, and the desired magnification effect is achieved.

Description

technical field [0001] The invention relates to a displacement amplifying mechanism, in particular to a displacement amplifying mechanism of a giant magnetostrictive actuator designed by utilizing the principle of a differential lever and combined with a flexible hinge. Background technique [0002] Giant magnetostrictive material is a new type of rare earth functional material that appeared in the 1970s. After rare earth permanent magnets, rare earth luminescence, and rare earth high-temperature superconducting materials, it is regarded as a new type of high-tech comprehensive competitiveness in the 21st century. Strategic functional materials. The magnetostrictive effect is one of the important physical characteristics of the material. The magnetostrictive effect refers to the slight change in length and volume of ferromagnetic or ferrimagnetic materials due to the change of their magnetization state after being subjected to an external magnetic field. The phenomenon. At...

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Problems solved by technology

[0006] Aiming at the problem of small output displacement of the giant magnetostrictive actuator, the present invention proposes a differential displacement amplification mechanism applied to the giant magnetostrictive actuator, which utilizes the principle of a differential lever to elastically deform through a flexible hinge To realize the amplification of the small displacement of the output during the working process of the giant magnetostrictive actuator to meet the working requirements, so as to achieve the ideal amplification effect

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