Double-acting double-braking rescue apparatus for high-rise building
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 周卫
- Publication Date
- 2012-03-28
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a high-rise building rescue device, in particular to a high-rise building double-action double-system rescue device. Background technique
[0002] At present, with the gradual increase of high-rise buildings, building escape devices, as an important facility, are more and more valued and widely used by people, and are used for emergency avoidance in case of major dangers such as fires. Existing escape devices can be roughly divided into three classes: the first class is direct type, such as hanging ladders or parachutes prepared by utilizing the principle of air buoyancy; The principle of action is to control the descending speed with the help of the descending device, such as the angle-wrapped manual escape device, the wheel train speed-controlled escape device, etc.; the third type is the electric control type, which uses the motor or hydraulic device to lower the rescued person. But these existing escape devices are that so...