Hydaulic speed regulating type slow landing jack ladder escape device
A slow-down chain ladder and speed-regulating technology, applied in life-saving equipment, building rescue, etc., can solve problems such as unproposed slow-down automatic adjustment, difficulty in entering a practical state, stability and operability difficult to meet actual needs, etc. To achieve the effect of stable and reliable operation of the device
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[0028] Such as figure 1 As shown, the device is composed of upper and lower sprockets (4, 12), chain ladder (20), input sprocket shaft (7), flexible lower bearing seat (13), hydraulic oil tank (1), speed change mechanism (6), hydraulic pressure A speed-regulating controller (2), a generator (3) and a blower fan (16) that is located at the entrance and is powered by the motor (3) through the cable (11) form. Wherein the chain ladder (20) is vertically installed in the emergency escape passage reserved by the high-rise building, and its guide rail (19) is fixed on the wall of the passage. Two upper sprockets (4) are respectively arranged on both sides of the top of the guide rail (19), and two lower sprockets (12) are respectively arranged on both sides of the bottom of the guide rail (19), and the upper and lower sprockets on each side are jointly engaged with a chain (9) .
[0029] Such as figure 2 , 3 Shown, chain ladder (20) is made up of guide rail (19), special-shaped...
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