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Bidirectional multi-piston hybrid magneto-rheological shock absorber

A magnetorheological shock absorber and hybrid technology, applied in the field of magnetorheological, can solve the problems of restricting the application range of the magnetorheological shock absorber, small adjustable range of damping force, affecting the performance of the shock absorber, etc. Magnetic shielding performance, improve damping force, improve the effect of working displacement

Pending Publication Date: 2020-04-07
GUANGXI UNIVERSITY OF TECHNOLOGY
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AI Technical Summary

Problems solved by technology

[0003] Existing magneto-rheological shock absorbers often adopt a single-piston structure, which has the disadvantages of a small adjustable range of damping force and a short piston stroke, which directly affects the performance of the shock absorber and severely restricts the application range of the magneto-rheological shock absorber.

Method used

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  • Bidirectional multi-piston hybrid magneto-rheological shock absorber

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with accompanying drawing.

[0027] like figure 1 As shown, the two-way multi-piston hybrid magnetorheological shock absorber includes working cylinder 1, piston rod I2, piston rod II3, electromagnetic piston I4, electromagnetic piston II5, floating piston 6, magnetorheological fluid 7, coil 8. Permanent magnet ring 9, spring I10, spring II11;

[0028] The electromagnetic piston I4, the floating piston 6, and the electromagnetic piston II5 are sequentially arranged in the working cylinder 1 according to the direction from left to right, and the working cylinder 1 is filled with magnetorheological fluid 7;

[0029] The electromagnetic piston I4 is fixedly connected with the piston rod I2, and the front end of the piston rod I2 extends out of the working cylinder 1 from the left end of the working cylinder 1; the electromagnetic piston II5 is fixedly connected with the piston rod II3, and the The front...

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Abstract

The invention aims to provide a bidirectional multi-piston hybrid magneto-rheological shock absorber. The shock absorber comprises a working cylinder, a piston rod I, a piston rod II, an electromagnetic piston I, an electromagnetic piston II, a floating piston, magnetorheological fluid, a coil, a permanent magnet ring, a spring I and a spring II, wherein the electromagnetic piston I, the floatingpiston and the electromagnetic piston II are sequentially arranged in the working cylinder from left to right, and the working cylinder is filled with the magnetorheological fluid. The magneto-rheological shock absorber has the advantages that the damping force of the magneto-rheological shock absorber is effectively increased, and working reliability and stability of a magneto-rheological dampingdevice are improved.

Description

technical field [0001] The invention belongs to the field of magnetorheological technology, and in particular relates to a two-way multi-piston hybrid magnetorheological shock absorber. Background technique [0002] Using magnetorheological dampers to control structural vibration is one of the research hotspots in vibration reduction technology that has emerged in recent years. It is a controllable damping device. The damping medium of its internal hydraulic cylinder is made of magnetorheological materials, mainly composed of micron-sized The soft magnetic particles of different sizes are mixed with the matrix and the stabilizer. The working principle is to adjust the current in the exciting coil to obtain a magnetic field of different strength, so that the flow characteristics of the magnetorheological material in the damping channel are changed, and this change is continuous. Reversible, that is, once the magnetic field is removed, it becomes a material that can flow again...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/19F16F9/53F16F9/32
CPCF16F9/19F16F9/535F16F9/3221F16F9/3214F16F9/3207
Inventor 杨小龙王梓骄谢国进
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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