Series extrusion type magnetorheological damper

A magneto-rheological shock absorber, squeeze-type technology, applied in the field of magnetorheology, can solve the problem of small damping force, achieve the effect of improving damping force, reducing volume, and solving the effect of easy precipitation

Pending Publication Date: 2020-04-03
GUANGXI UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0005] The object of the present invention is to provide a series extrusion type magnetorheological shock absorber, which can solve the existing problems such as small damping force, and at the same time reduce the volume of working magnetorheological fluid , which greatly improves the magnetorheological damping force, and has the advantages of less required magnetorheological fluid consumption and significant magnetorheological effect

Method used

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  • Series extrusion type magnetorheological damper

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with accompanying drawing.

[0030] Such as figure 1 As shown, the series extrusion magnetorheological shock absorber includes a working cylinder 1, a piston rod 2, a piston body 3, a magnetorheological fluid 4, a permanent magnet positioning ring 5, a permanent magnet ring 6, and a coil 7 ;

[0031] The left and right end surfaces of the piston body 3 are provided with a plurality of annular grooves 10 at intervals along the radial direction; the two ends of the piston rod 2 pass through the left and right end surfaces of the working cylinder 1 through the piston rod holes respectively, and can be moved along the The piston rod hole slides relative to the working cylinder 1; the piston body 3 is arranged in the working cylinder 1, the piston body 3 is fixedly connected to the middle part of the piston rod 2, and the axes of the piston body 3 and the piston rod 2 coincide;

[0032] The shape of the l...

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Abstract

The invention aims to provide a series extrusion type magnetorheological damper. The series extrusion type magnetorheological damper comprises a working cylinder, a piston rod, a piston body of an electromagnetic piston, magnetorheological fluid, a permanent magnet positioning ring, a permanent magnet ring and a coil, wherein a plurality of annular grooves are formed in the left end surface and the right end surface of the piston body at intervals in the radial direction. According to the series extrusion type magnetorheological damper, the problems that existing damping force is small and thelike can be solved, meanwhile, the volume of the magnetorheological fluid for working is reduced, the magnetorheological damping force is greatly improved, and the series extrusion type magnetorheological damper has the advantages that the required magnetorheological fluid is small in dosage and the magnetorheological effect is remarkable.

Description

technical field [0001] The invention belongs to the field of magnetorheological technology, and in particular relates to a series extrusion magnetorheological shock absorber. Background technique [0002] The magnetorheological shock absorber is a new type of shock absorber that uses the controllable fluid of magnetorheological fluid. Under different magnetic fields, the shear yield strength of the magnetorheological fluid is different, and the shear force that forces the magnetorheological fluid to flow is also different, that is to say, the damping force provided by the magnetorheological shock absorber is variable. Therefore, by controlling the magnetic field generated by the applied current, the purpose of adjusting the damping force of the magneto-rheological shock absorber can be achieved. It is precisely because the magneto-rheological damper has this important engineering application value that it has caused extensive research on the magnetorheological damper in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/53F16F9/32F16F9/36F16F9/34F16F9/54
CPCF16F9/3221F16F9/3235F16F9/3242F16F9/34F16F9/369F16F9/535F16F9/54F16F2230/0029F16F2230/02F16F2230/30
Inventor 杨小龙任伟
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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