Patent ID: 11879507
Assignee: ZHEJIANG NORMAL UNIVERSITY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A high-stability and large-torque magnetorheological fluid clutch, comprising power output equipment, an output disc, an output disc bearing, a left shell, a magnetorheological fluid, an input disc, power input equipment and a right shell, wherein
the output disc comprises an output disc main shaft and an output disc body, and the input disc comprises an input disc main shaft and an input disc body; the output disc main shaft is connected with the power output equipment, the output disc is mounted for rotation relative to the left shell through the output disc bearing, a first electric push rod is fixed in the left shell, a push rod of the first electric push rod is connected with a first permanent magnet, and a first electromagnet is fixed to the left shell through an electromagnet support; more than one first electric push rod, more than one first permanent magnet, more than one first electromagnet and more than one electromagnet support are installed in the left shell by taking a rotating direction of the output disc main shaft as a circumferential direction;
the input disc main shaft is connected with the power input equipment, an outer ring of an input disc bearing is installed in an input disc bearing sleeve, an inner ring of the input disc bearing is installed on the input disc main shaft, the input disc bearing sleeve and the right shell are assembled in a sliding mode, an end cover is installed at one end of the right shell, and two ends of a reset spring are fixed to the end cover and the input disc bearing sleeve respectively; more than one reset spring is installed in the input disc bearing sleeve by taking a rotating direction of the input disc main shaft as the circumferential direction; the input disc is mounted for rotation and axial movement relative to the right shell through the input disc bearing and the input disc bearing sleeve; and
a second electric push rod is fixed in the right shell, a push rod of the second electric push rod is connected with a second permanent magnet, a second electromagnet is fixed in the right shell through an electromagnet support, a third electric push rod is fixed in the right shell, a push rod of the third electric push rod is connected with a thrust bearing, and the thrust bearing is installed on the input disc main shaft; and more than one second electric push rod, more than one third electric push rod, more than one second electromagnet, more than one electromagnet support and more than one second permanent magnet are installed in the right shell by taking the rotating direction of the input disc main shaft as the circumferential direction; and the magnetorheological fluid is filled between the output disc body and the input disc body, and a sealing ring is arranged at a junction of the output disc body and the input disc body.