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A shock absorber based on magnetic fluid

A magnetic fluid and shock absorber technology, applied in shock absorbers, springs/shock absorbers, shock absorbers, etc., can solve problems such as electromagnet coil heating, increase shock absorption effect, solve heating problems, cost low cost effect

Active Publication Date: 2016-02-17
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Use the position adjustable permanent magnet instead of the electromagnet, get rid of the shackles of the power supply, and solve the problem of heating of the electromagnet coil

Method used

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  • A shock absorber based on magnetic fluid
  • A shock absorber based on magnetic fluid
  • A shock absorber based on magnetic fluid

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Embodiment Construction

[0028] specific implementation plan

[0029] The structure of the shock absorber based on magnetic fluid of the present invention is as follows figure 1 As shown, the composition of the shock absorber includes a compression chamber and a piston rod;

[0030] The compression chamber is composed of an inner compression chamber shell 3 and an outer compression chamber shell 2, the inner compression chamber shell 3 and the outer compression chamber shell 2 are cylindrical, wherein the bottom of the outer compression chamber shell 2 is airtight, and the center of the top is open There is a circular opening with the same inner diameter as the inner compression chamber 5; the inner compression chamber shell 3 is coaxially symmetrically distributed in the opening of the outer compression chamber shell 2, the upper and lower sides of the inner compression chamber shell 3 are transparent, and the upper end is connected to the outer compression chamber shell 2 The edge of the circular o...

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Abstract

The invention relates to a magnetofluid-based shock absorber comprising a compression cavity and a piston rod. The compression cavity is composed of an inner compression cavity shell and an outer compression cavity shell; the inner compression cavity shell is arranged in an opening of the outer compression cavity shell; the inner compression cavity shell and the outer compression cavity shell are coaxially and symmetrically distributed; the outside of each of the lower portion and bottom of the inner compression cavity shell is provided with a circular permanent magnet; the circular permanent magnets are identical; an adjusting rod is mounted on the upper one of the permanent magnets; the adjusting rod extends up out of the outer compression cavity shell; the inner compression cavity shell is provided with a throttle round orifice between the permanent magnets ; a spring is mounted within the inner compression cavity shell; a nonmagnetic circular retainer plate is welded inside the outer compression cavity shell; the piston rod in a cylindrical shape is inserted into the inner compression cavity. The magnetofluid-based shock absorber with the throttle orifice and a throttle gap is a thin-walled pored outflow model; magnetofluid flows through a pore and the throttle gap in a shorter time, and high-frequency vibration is absorbed.

Description

technical field [0001] The invention belongs to a liquid viscous shock absorber, in particular to a shock absorber based on magnetic fluid. Background technique [0002] The existing single-tube magneto-rheological fluid shock absorber utilizes the tube flow damping force of the magnetic fluid for shock absorption. Its structure mainly includes a compression chamber filled with magnetorheological fluid, a piston rod with a throttle channel, and Electromagnets are installed around the flow channel. This structure can be seen in patent CN201210449699. When external vibration is applied, the piston rod is forced to compress the magnetorheological fluid to move, so that the magnetorheological fluid is squeezed to flow through the damping channel in the magnetic field, and the external magnetic field will increase the viscosity of the magnetorheological fluid. When the magnetorheological fluid flows through the damping channel, a relatively large pipe flow damping force is gener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F9/53F16F9/32F16F9/36
Inventor 杨文荣迟超
Owner HEBEI UNIV OF TECH
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