High-stability milling machine rack

The utility model relates to the technical field of milling machines, and discloses a high-stability milling machine rack which comprises a rack body, a horizontal ruler is fixedly installed on one side of the top of the rack body, a handle is fixedly installed in the middle of the front face of the rack body, threaded pipes are fixedly installed on the two sides of the rack body, and threaded rods are in threaded connection with the inner walls of the threaded pipes. The utility model has the following advantages and effects: when an inclined road surface is met, the handle is lifted, the rack is placed flat by observing the scales on the leveling instrument, and meanwhile, another operator rotates the driving lever, screws the threaded rod into the threaded pipe on the inclined side, translates the fixed pulley to the top of a proper supporting position, and then pulls the adjusting block downwards, so that the fixed pulley can be supported on the inclined road surface. The adjusting blocks compress the spr