Gantry crane with cleaning function

The invention relates to a gantry crane, in particular to a gantry crane with a cleaning function. The invention provides the gantry crane with the sweeping function, which can be used for cleaning rust on the steel rope. A gantry crane with a cleaning function comprises a support, moving parts, rails, sliding parts and the like, the number of the rails is two, the rails are distributed left and right, the two moving parts are connected to each rail in a sliding mode, the support is connected among the four moving parts, sliding grooves are formed in the front side and the rear side of the upper portion of the support, and the sliding parts are arranged in the sliding grooves. A sliding piece capable of moving is connected between the two sliding grooves in a sliding mode. The brush is arranged between the two first connecting rods, and the brush rotates downwards to sweep rust on the moving part, so that the situation that transmission of the steel rope is limited is avoided, and the service life of the stee