Commander protection ladder capable of increasing step height

The utility model discloses a command hand protection ladder capable of increasing step height, which comprises a protection ladder, the upper end of the protection ladder is fixedly provided with four pulleys, the left side and the right side of the upper end of the protection ladder are symmetrically provided with side handrails, the left end and the right end of the front side of the protection ladder are fixedly provided with lower sleeves, and the inner sides of the lower sleeves are movably connected with positioning pins and a base box. The lower sleeves are fixedly installed at the upper ends of the four pulleys, upper sleeves are fixedly installed at the two ends of the rear side of the base box, positioning pins are movably connected to the middles of the upper sleeves, and the upper sleeves and the lower sleeves form a detachable structure through the positioning pins; two upper sliding blocks are movably installed in a sliding groove in the right side of the interior of the lifting table in a fron