Magnetorheological fluid braking device

The magnetorheological fluid brake device comprises a connecting shaft, a right rotating shaft, a right shell, a left shell, a left magnetic conductive plate, a right magnetic conductive plate, an upper magnetic conductive circular ring, a coil, a rotor, a fixed disc, a brake disc and a magnetic isolation disc, the connecting shaft is rotatably arranged in the left shell, the left end of the connecting shaft extends to the outer side of the left shell, and the right end of the connecting shaft extends into the left shell; the rotor is coaxially connected with the rotor; the right rotating shaft is rotatably arranged in the right shell, the right end of the right rotating shaft extends to the outer side of the right shell, and the left end of the right rotating shaft extends into the right object and is coaxially connected with the rotor; the invention has the following beneficial effects: the air domain is increased, and the magnetic conductive ring enables the magnetic field to form a closed environment to o