The invention discloses a safety ladder for evacuation. The safety ladder comprises a supporting frame, a plurality of sections of climbing ladders fixed to the side face of the supporting frame and connected end to end, and an airborne channel fixed to the side portion of the supporting frame, wherein the top of the supporting frame is provided with a hoisting device used for suspending goods, agoods hoisting channel for allowing the goods to be vertically hoisted is arranged in the middle of the supporting frame, an airborne safety backpack is arranged at the upper portion of the airborne channel, the airborne safety backpack comprises a backpack body with at least two shoulder straps, an airborne rope arranged in the backpack body and a damping device used for providing a damping effect for the airborne rope to stretch out of the backpack body, and the damping device comprises a reel used for winding the airborne rope, a speed increaser used for increasing the rotating speed of thereel and a rotary damper used for exerting a damping effect on an output shaft of the speed increaser. The safety ladder is used for rapidly evacuating people in emergency accidents of multi-storey buildings such as superstores.
本发明公开了一种疏散用安全梯,包括支撑架、固定于所述支撑架侧面的多段首尾相连的攀爬梯和固定于所述支撑架侧部的空降通道;所述支撑架顶部设有用于悬吊货物的起重装置;所述支撑架中部设有供货物竖直起吊货物起吊通道;所述空降通道上方设有空降安全背包;所述空降安全背包包括具有至少两个肩带的背包体和设置于所述背包体内的空降绳以及用于为所述空降绳伸出背包体外提供阻尼作用的阻尼装置;所述阻尼装置包括用于缠绕所述空降绳的卷轴、用于将所述卷轴的转速放大的增速器和用于对所述增速器的输出轴施加阻尼作用的旋转阻尼器;本发明用于大型商场等多层建筑的应急事故中够快速的对人员进行疏散。
Safety ladder for evacuation
疏散用安全梯
2020-07-31
Patent
Electronic Resource
Chinese
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