Computer major teaching auxiliary device

The utility model provides a computer major teaching auxiliary device, which belongs to the teaching auxiliary field and comprises a rectangular box, a motor is fixedly mounted on one side in the rectangular box, one end of an output shaft of the motor is fixedly connected with a rotating shaft through a coupler, and first winding rollers are fixedly mounted on two sides of the surface of the rotating shaft. And steel wire ropes are arranged on the surfaces of the two first winding rollers correspondingly, the bottom ends of the two steel wire ropes both penetrate through the rectangular box and extend to the exterior of the rectangular box, the bottom ends of the two steel wire ropes are jointly connected with a connecting base, and a display screen is fixedly installed at the bottom of the connecting base. The rectangular box is installed at the top of the middle of the large classroom, the motor and the rotating shaft are arranged in the rectangular box, the two steel wire ropes can rotate along with the r