Portable electric universal valve operating device

The utility model provides a portable electric universal valve operating device which comprises two supports, a rotary grabbing rotary disc is arranged on one support, a rotary main shaft is arranged on the other support, the grabbing rotary disc is connected with the main shaft through a universal coupler, two connecting rods hinged to each other are further arranged between the two supports, and the two connecting rods are connected with the main shaft through a connecting rod. The end of the connecting rod is hinged to one side of the support. The end of the main shaft is connected with a motor, and a plurality of sliding clamping teeth are arranged on the circumferential side of the end face of the grabbing rotary disc and abut against a valve hand wheel. The grabbing rotating disc abuts against the valve hand wheel, the clamping teeth can abut against the interior of the valve hand wheel, the motor drives the main shaft to drive the grabbing rotating disc to rotate through the universal coupling, and the