Gear box convenient to control and move

The utility model relates to the technical field of gear boxes, and discloses a gear box convenient to control and move, which comprises a case, an access door arranged on the case, an air hole arranged on the case, a moving device arranged on the case, a table top arranged on the case and a lifting device arranged on the case. A first motor is started to enable a worm to rotate, the worm rotates to drive a worm gear to rotate, the worm gear rotates to drive a two-way threaded rod to rotate, the two-way threaded rod rotates to drive a sliding plate to move, the sliding plate moves to drive a supporting rod to move, the supporting rod moves to drive a movable frame to move, and the movable frame moves to drive a spring damper to move. The spring damper moves to drive the pulley yoke to move, so that the pulley yoke is in contact with the ground to support the case, the whole equipment is convenient to move, meanwhile, the pulley yoke vibrates and shakes in the moving process to be transmitted and extruded to t