Elevator roof collision buffering protection device

The utility model provides an elevator roof collision buffering protection device, and belongs to the technical field of elevator roof collision buffering protection. Comprising a lift car, four supporting columns are fixedly connected to the outer wall of the top of the lift car, the outer walls of the tops of the four supporting columns are fixedly connected with the same buffer seat, an opening is formed in the outer wall of the top of the buffer seat, two sliding grooves are formed in the inner wall of the bottom of the buffer seat, and two sliding blocks are slidably connected to the inner walls of the two sliding grooves; and the outer walls of the four sliding blocks are rotationally connected with connecting rods correspondingly, one ends of the four connecting rods are rotationally connected with two mounting bases correspondingly, the outer walls of the tops of the two mounting bases are fixedly connected with the same top cover, and the inner wall of the bottom of the buffering base is fixedly conn