The emergency escape device for high rise building consists of jack ladder, guide track, chain wheel, speed varying mechanism, hydraulic speed regulating controller, etc.
本发明是一种高层建筑遇险时紧急逃生装置，也是一种理想的消防设施。该装置主要由链梯、导轨基架、链轮、变速机构、液压调速式控制器等组成。
The utility model is a safety device, which has the functions of self closing and emergency escape.
它是一种安全设施，具有自闭功能和紧急逃生功能。
The utility model is a safety device, which has the functions of self closing and emergency escape.
它是一种安全设施，具有自闭功能和紧急逃生功能。
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