An Intelligently Adjustable Magnetorheological Hydraulic Mount with Decoupling Membrane Stiffness

Abstract

The invention discloses a magnetorheological hydraulic mount with intelligent adjustable decoupling film stiffness. The magnetorheological hydraulic mount comprises a housing, an inertial channel body, a rubber decoupling film, a support plate, a magnetorheological fluid storage bag and an electromagnet, wherein the inertial channel body which is of a circular structure is arranged in the housingand is in sealing connection with the inner wall of the housing; the rubber decoupling film is fixedly arranged in the middle of the inertial channel body and forms concentric circles together with the inertial channel body; the support plate is fixedly arranged below the inertial channel body at an interval; the magnetorheological fluid storage bag is of a barrel-shaped structure and is arrangedbelow the rubber decoupling film, the top of the magnetorheological fluid storage bag is glued with the rubber decoupling film, and the bottom of the magnetorheological fluid storage bag is fixedly connected with the support plate; and the electromagnet is circumferentially arranged along the magnetorheological fluid storage bag, the top of the electromagnet is connected with the inertial channelbody, and the bottom of the electromagnet is connected with the support plate. The stiffness of the decoupling film is adjusted by virtue of the magnetorheological fluid storage bag which is glued with the lower part of the decoupling film, and the expansion deformation capability of a fluid feeding chamber is influenced by the decoupling film and a rubber main spring, so that the dynamic characteristic of the hydraulic mount can be adjusted.

Description

technical field [0001] The invention relates to the design field of vibration isolation devices, and more specifically, the invention relates to a magneto-rheological hydraulic mount with intelligently adjustable stiffness of decoupling membranes. Background technique [0002] Due to the limitations of its structure and performance, traditional passive vibration isolators are increasingly unable to meet people's increasingly stringent requirements for the vibration isolation capability of vibration isolators. Various intelligent isolators based on smart materials and advanced control methods The vibrator came into being. [0003] Magneto-rheological fluid is a typical intelligent controllable liquid. It can change its own viscosity characteristics according to changes in the external magnetic field, and has a fast response and a reversible process. Therefore, it is favored. The application of magnetorheological smart materials in the design of automobile engine mounts has b...

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Problems solved by technology

However, the above-mentioned inventions all need to use a large amount of magnetorheological fluid. Since the magnetorheological fluid is expensive, and a large amount of use may lead to the aggravation of the precipitation phenomenon, these disadvantages greatly limit the wide range of magnetorheological hydraulic mounts. Promoted application of

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