Water cooling type magneto-rheological clutch based on extrusion-shearing mode and control method

Abstract

The invention discloses a water cooling type magneto-rheological clutch based on an extrusion-shearing mode and a control method suitable for being used in industrial and mining enterprises. A left magnetism conductive shell and a right magnetism conductive shell are included. A cavity is formed inside after the left magnetism conductive shell and the right magnetism conductive shell are buckled.A magnet exciting coil is arranged in the cavity. A clutch body is arranged on the inner side of the magnet exciting coil and comprises a drive assembly, a driven assembly and a hydraulic drive assembly. The drive assembly comprises a left transmission disc, the left transmission disc is internally provided with a plurality of annular cooling water runners extending in the circumferential direction and a plurality of radial cooling water runners, the hydraulic drive assembly pushes a middle transmission disc adjacent to the left transmission disc to leftwards move through a pressing disc, andaccordingly larger torque is transmitted. A cooling water way in the left transmission disc can effectively dissipate heat and can also keep high magnetic conductivity, the torque transmission controlcapability is improved through the hydraulic drive assembly, and accordingly the multi-time power / volume ratio or power / mass ratio is obtained.

Description

technical field [0001] The invention relates to a magneto-rheological clutch and a control method, in particular to a water-cooled magneto-rheological clutch and a control method based on extrusion-shear mode used in industrial and mining enterprises. Background technique [0002] Magneto-rheological fluid is a new type of intelligent material, which can produce unique rheological characteristics under the action of an external magnetic field, from a low-viscosity Newtonian fluid to a high-viscosity solid-like state, showing a certain shear yield stress, Moreover, this rheological property is instantaneous, reversible and highly controllable. At present, magnetorheological fluids have been widely used in aerospace / mechanical processing / precision engineering / construction / medical treatment due to their advantages such as fast response, low energy consumption, easy control, good durability, wide operating temperature range, and long service life. field. In recent years, magne...

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Problems solved by technology

[0003] However, the problem of insufficient shear yield strength of magnetorheological fluids has always restricted the development of magnetorheological fluid clutches. The magnetorheological clutches designed according to the existing shear working mode cannot meet the industrial needs due to their small transmission torque.

However, these driving extrusion methods have disadvantages such as poor controllability or low driving power density.

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