Tower self-help escape device

The utility model discloses a tower self rescue escape device which is composed of a fixation device and a slow descent device, wherein, the fixation device is composed of a fixation plate, a bracket and a shelter plate and is fixed on a position on the outer wall surface of the building which can be contacted by personnel, and the front end of the bracket is provided with a hanging device. The slow descent device can be hung on the bracket by the hanging device and is composed of a rotating wheel, a left baffle, a rope box, a contracting brake and a right baffle. The contracting brake is composed of a contracting brake hub arranged in the middle and a brake hoop arranged at the outer edge of the contracting brake hub. A hook is arranged below the rope box of a cross bar. When the personnel in the building meets a dangerous situation, the slow descent device of the escape device is hung on the fixation device, the personnel is hung on the hook of the slow descent device, and a contracting brake control handle