Track driving structure

The utility model provides a track driving structure which comprises a sliding frame, a driving guide rail, two auxiliary guide rails, a driving assembly, two first gears and a stabilizing assembly, the two driving guide rails and the two auxiliary guide rails are of strip-shaped structures, and racks are arranged on the two opposite vertical side faces of the driving guide rail. The auxiliary guide rails are symmetrically arranged on two sides of the driving guide rail and are parallel to the driving guide rail; the sliding frame is of a frame structure and is arranged over the driving guide rail. The projections of the two first gears on the horizontal plane are symmetrical relative to the driving guide rail, the axes of the first gears are vertically arranged, and the two first gears are engaged with racks on the two sides of the driving guide rail correspondingly. The driving assembly is fixedly connected with the sliding frame and drives the two first gears to rotate. The utility model solves the problem