A mechanical descender
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- XI AN JIAOTONG UNIV
- Publication Date
- 2011-12-28
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
Technical field:
[0001] The invention belongs to the field of fire protection, and relates to an escape device, in particular to a mechanical descending device. Background technique:
[0002] Throughout the current fire escape equipment industry, there are many types of high-altitude lifesaving products at home and abroad, including escape umbrellas, fire escape ladders, portable escape devices, etc. Generally speaking, foreign research in this area is ahead of domestic research, and domestic research started relatively late, but It has also developed rapidly in recent years.
[0003] The main components of the escape umbrella are the canopy, the guide umbrella, the umbrella rope, the strap system, the umbrella opening parts and the umbrella bag, etc. The escape umbrella is a kind of escape device that uses air resistance and relies on an expandable aerodynamic reducer that is inflated relative to air movement to make people or objects fall safely from the air to the ground...