The utility model discloses a
stair climbing machine which comprises a main frame, movable rods, pedals and an upper pull
rope, the number of the movable rods and the number of the pedals are two, one ends of the movable rods are connected with the main frame and arranged in an inclined mode, the two pedals are respectively arranged on the movable rods in a sliding mode, an upper fixing frame is arranged between the two movable rods, and the upper pull
rope is arranged on the upper fixing frame. An upper
pulley is arranged in the upper fixing frame, the upper pull
rope penetrates through the upper end of the upper
pulley, the two ends of the upper pull rope are fixed to the two pedals respectively, and the two pedals move in the opposite directions along the movable rod through the upper pull rope and the upper
pulley. The upper pulley is shielded and protected through the upper fixing frame, a person standing on the pedal can move up and down by treading the pedal and being matched with the upper pulley and the upper pull rope, a user can do
mountaineering,
stair climbing and other motions, the simplicity of the overall structure of the
stair climbing machine is improved, the manufacturing difficulty and manufacturing cost of the stair climbing
machine are reduced, and the stair climbing machine is suitable for popularization and application. And the production is convenient.