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Magnetorheological reflux type complete disc brake

A magnetorheological and brake technology, applied in the direction of brake type, hydraulic resistance brake, mechanical equipment, etc., to achieve the effect of overcoming failure, wide practical value, and compact structure

Inactive Publication Date: 2013-04-17
王剑 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problem that the magnetorheological fluid particles in the existing magnetorheological brakes will precipitate and be affected by centrifugal force, the present invention provides a full-disc return type magneto-rheological brake. The way to change the flow direction of magnetorheological fluid overcomes the shortcomings of magnetorheological fluid particle precipitation and failure under the action of centrifugation. When braking, the magnetorheological fluid particles have a compact structure, a large shear surface, and high braking torque. It is easy to disassemble. In addition, the brake improves the reliability of the magneto-rheological fluid brake and has a wide range of practical values.

Method used

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  • Magnetorheological reflux type complete disc brake
  • Magnetorheological reflux type complete disc brake
  • Magnetorheological reflux type complete disc brake

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Embodiment Construction

[0012] In the figure, the full-disc reflux magnetorheological brake includes a shear disc 1, a sealing ring 2, a housing 3, a magnetorheological fluid 4, an excitation coil 5, an end cover 6 and a stud 7. A casing 3 is provided around the side of the disk 1, and a sealing ring 2 is provided at the lower part of the casing 3 in contact with the shearing disk 1. The gap between the casing 3 and the shearing disk 1 is filled with a magnetorheological fluid 4. The upper part of 3 is fitted with an end cover 6, and an excitation coil 5 is wound between the end cover 6 and the housing 3, and the end cover 6 and the housing 3 are fixedly connected by studs 7; There are three grooves, each distributed at 120°, the inside of the housing 3 is hollow, and three channel openings are arranged inside and outside the contact surface with the shear disk 1, each distributed at 120°, after the magnetic field lines pass through the center of the excitation coil, they pass through the Through the...

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Abstract

The invention relates to a magnetorheological reflux type complete disc brake which comprises a shearing disc, a seal ring, a shell, magnetorheological fluid, an exciting coil, an end cover and a stud. The shell is arranged on the peripheral side of the shearing disc, and the seal ring is arranged on a portion, contacting with the shearing disc, of the lower portion of the shell. A gap between the shell and the shearing disc is filled with the magnetorheological fluid, the end cover is fittingly arranged on the upper portion of the shell, the exciting coil is wound between the end cover and the shell, and the end cover and the shell are fixedly connected through the stud. The flowing direction of the magnetorheological fluid is changed by means of refluxing, the defects of sedimentation of magnetorheological fluid particles and failure of the magnetorheological fluid under centrifugal action are overcome, and the brake is compact in structure of the magnetorheological fluid particles during braking, large in shearing area, high in braking torque and convenient to demount. In addition, the magnetorheological reflux type complete disc brake improves reliability in magnetorheological fluid braking and has wide practical value.

Description

technical field [0001] The invention relates to a full-disc brake in the form of magneto-rheological fluid, in particular to a full-disk return-type magneto-rheological brake capable of automatic control. Background technique [0002] At present, magnetorheological fluid technology has developed rapidly. This smart material is a suspension made of high magnetic permeability, low hysteresis soft magnetic particles and non-magnetic liquid. The shear yield strength has a stable corresponding relationship with the magnetic field strength. Among the existing technologies of magneto-rheological fluid brakes, the Chinese patent publication number is CN102401046A, the impeller type magneto-rheological fluid brake for vehicles and the multi-disk magneto-rheological brake of N102146968A, which have greatly improved the braking torque and maintenance. Improvement improves the reliability of vehicle brakes, but the magnetorheological fluid preparation solution is not easy to maintain a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D57/00
Inventor 王健毛杨明孟庆睿
Owner 王剑
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