Supporting frame based on ship maintenance

The invention discloses a support frame based on ship maintenance, which comprises a support frame body, a support rod, a chute, a support plate, a motor, a worm, a support piece, an output rod, a worm gear, two gears, two toothed bars, a limiting wheel, a fixed column, a limiting piece and two connecting pieces, the support rod is arranged on the front side of the support frame body, and the support rod is matched with the support frame body for use; the sliding grooves are formed in the two sides of the front side of the supporting frame body correspondingly, and the supporting plates are fixedly connected to the two sides of the inner wall of the supporting frame body. The supporting frame solves the problems that an existing supporting frame needs to be lifted to facilitate maintenance work of a user, but when the existing supporting frame is lifted, the supporting frame and a maintenance object on the supporting frame suddenly fall off under the condition of sudden power failure, and the maintenance obje