Expandable office equipment supporting and protecting device

The utility model discloses an expandable office equipment support protection device, including bottom plate, adjusting mechanism, fixed stabilizing mechanism and stretching mechanism, the adjusting mechanism is provided on the top of bottom plate, fixed stabilizing mechanism is provided on the adjusting mechanism, stretching mechanism is provided on fixed stabilizing mechanism, and the stretching mechanism is provided on the fixed stabilizing mechanism. And the adjusting mechanism comprises a fixing shell, the fixing shell is installed at the top of the bottom plate, a servo motor is installed in a groove in the bottom of the inner wall of the fixing shell, and a threaded rod is installed at the top end of an output shaft of the servo motor. Through mutual cooperation of the fixed shell, the servo motor, the threaded rod, the movable plate, the top block and the supporting plate, the height of the supporting device can be adjusted according to needs, through mutual cooperation of the fixed plate, the protect