Electric lifting bearing device for camera

An electric lifting bearing device for a camera comprises a landing leg, a control device is arranged at the lower portion of the middle of the landing leg, an outer shell is arranged at the upper portion of the middle of the landing leg, a motor support is arranged at the bottom of the outer shell, a stepping motor is arranged in the motor support, the stepping motor is electrically connected with the control device and is connected with a ball bearing through a coupler, the ball bearing penetrates through a lifting plate, the lifting plate is connected with linear bearings through connecting rods, the linear bearings penetrate through the top of the outer shell to be connected with linear optical shafts, the linear optical shafts support a camera lifting part, and a quick shoe is installed on the camera lifting part.