A permanent magnet magneto-rheological fluid transmission device with multi-level adjustment

A magnetorheological fluid, multi-gear adjustment technology, applied in the direction of transmission, friction transmission, belt/chain/gear, etc., can solve the problems of the magnetic field size cannot be freely controlled, the magnetic induction intensity is small, safety problems, etc., and achieves a simple structure. , high reliability, reducing the effect of magnetic field loss

Inactive Publication Date: 2016-08-24
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. For transmission devices that use energized coils to generate magnetic fields, the magnetic induction intensity generated by the coils is small. Increasing the magnetic field by increasing the current will cause the coils to overheat, causing safety problems. This method cannot be used especially in coal mines and other safety requirements. High occasions;
[0006] 2. For the permanent magnet transmission device, the size of the magnetic field cannot be freely controlled, which greatly limits its use

Method used

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  • A permanent magnet magneto-rheological fluid transmission device with multi-level adjustment
  • A permanent magnet magneto-rheological fluid transmission device with multi-level adjustment
  • A permanent magnet magneto-rheological fluid transmission device with multi-level adjustment

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with accompanying drawing.

[0029] Such as figure 1 As shown, a permanent magnet magneto-rheological fluid transmission device that can be adjusted in multiple gears,

[0030] It includes the magnetic field adjustment control system and the magneto-rheological fluid transmission system;

[0031] The magnetic field adjustment control system includes a magnetically conductive plate 5, a shell 6, and a magnetic steel that are welded together; the magnetic steel includes a magnetic steel I8-1, a magnetic steel II8-2, and a magnetic steel from top to bottom. Ⅲ8-3 and magnetic steel Ⅳ8-4;

[0032] Such as figure 2 and image 3 As shown: Among them, the housing 6 is divided into two parts, the left and the right, and the left and right parts of the housing 6 are respectively opened with two rectangular grooves and two semicircular grooves, and the magnetic steel Ⅱ8-2 and the magnetic steel Ⅲ8-3 are dire...

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Abstract

The invention discloses a multi-stage-adjustable permanent magnet type magnetorheological fluid transmission device. The multi-level-adjustable permanent magnet type magnetorheological fluid transmission device comprises a magnetic field adjustment control system and a magnetorheological fluid transmission system; the magnetic field adjustment control system includes a magnetic conductive plate (5) and a shell (6) which are welded together, and magnets, wherein the magnets include a magnet I (8-1), a magnet II (8-2), a magnet III (8-3) and a magnet IV (8-4) which are distributed from top to bottom sequentially; and the magnetorheological fluid transmission system includes a driving shaft (1), a bearing (2), a bearing seat (3), a driving disc I(9-1), a driving disc II (9-2), a driven disc II (11) and a driven shaft (13). The multi-stage-adjustable permanent magnet type magnetorheological fluid transmission device of the invention is not required to be electrified, and can be applied to situations having high security requirements and requirements for large magnetic fields, can adjust the magnitude of the magnetic fields in a multi-stage manner so as to adapt to different situations.

Description

technical field [0001] The invention relates to a permanent magnet type magneto-rheological fluid transmission device, in particular to a permanent magnet type magneto-rheological fluid transmission device capable of multi-level adjustment. Background technique [0002] Magneto-rheological fluid is a new type of intelligent material. Under the action of an external magnetic field, its rheological properties will change drastically, and its viscosity will increase in a short period of time (milliseconds), and it will change from a liquid with good rheological properties to a similar Solid state, and once the external magnetic field is lost, it will return to a flowable liquid. In recent years, due to its superior rheological properties, it has been widely used in mechanical transmission. [0003] The traditional mechanical transmission has defects such as large impact, high noise, inconvenient control of speed or force adjustment, and short service life. In recent years, wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H15/01
CPCF16H15/01
Inventor 刘新华任衍坤张秋香张明姗莫立东徐永攀王利峰王冬冬刘晶晶彭俊泉王忠宾谭超
Owner CHINA UNIV OF MINING & TECH
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