Ladder cage with lifting device

The utility model relates to the technical field of construction ladder cages, in particular to a ladder cage with a lifting device, which comprises a frame structure, the lifting device, stairs and a platform. The hoisting device is arranged at the top of the frame body structure; a goods hoisting channel is reserved in the middle of the frame body structure; the staircase surrounds the outside of the frame body structure and is fixedly connected with the frame body structure; the hoisting device comprises a hoisting portal frame, a worm gear, a worm and a transmission rod; the hoisting portal frame is fixedly mounted at the top of the frame body structure; the transmission rod is fixedly connected to the hoisting portal and can freely rotate along the axis of the transmission rod, and a power device is installed at one end of the transmission rod and provides rotating force for the transmission rod. A worm is arranged in the middle of the transmission rod and is static relative to the transmission rod. Acco