Emergency safety self-saving deive for use on high building

The utility model relates to an emergency safety self-saving device for using on high buildings, which belongs to the technical field of lifesaving appliances. The self-saving device is composed of a main shaft, a rope rolling cylinder which is arranged on the main shaft, a wheel brake, a restorer, a steel cable, a control rope, an alarm which is arranged on a base, etc. The rotary speed of the main shaft is controlled by the wheel brake; the falling speed of the self-saving escaper is ensured to be stable and safe. The utility model with the advantages of simple structure and convenient operation is suitable for the life saving in the fire on high buildings.