Rotary lifting emergency escape ladder

Abstract

The invention discloses a rotary lifting emergency escape ladder. After the rotary lifting emergency escape ladder is hauled to a pointed position by a vehicle or other motor-driven vehicles, four balanced supporting legs of the ladder are stretched under the action of a hydraulic system; a rotary platform is arranged on a pedestal; the rotary platform on a rotary base plate can rotate left and right; two hydraulic cylinders support a portal frame on the rotary base plate; a middle telescopic main frame and a lower telescopic main frame of three groups of telescopic main frames in the portal frame sequentially descend downwards under the actions of a self-locking motor and a steel rope at the top of the portal frame and under the action of a pulley block in turn; and after the middle telescopic main frame and the lower telescopic main frame descend to a certain depth, a telescopic frame stabilizing device stretches out and is then connected with a fixed object. The telescopic main frames, a buffering table, a bottom bridge and a ground bridge form a safe passage together. The rotary lifting emergency escape ladder has the advantages that: the ladder can be uprightly fixed, can be moved to any position to continuously carry in a way of a rolling lifter, can quickly ascend and descend to convey rescuers or goods from high-rise buildings above ground and from underground fields at a certain distance from the ground, and is safe, reliable, quick and convenient in use.

Description

technical field [0001] The invention discloses a rotary lifting lifesaving ladder, which is suitable for fire rescue and emergency rescue construction operations at a certain depth, such as fire rescue and sea rescue in large underground places such as military, ship locks, bridges, ports, docks, reservoirs, power stations, etc. Rescue device technical field,. Background technique [0002] There are many devices for high-altitude emergency rescue. Rescue machinery such as fire trucks and high-altitude ladders are basically used for high-rise building operations on the ground; mines, subways, ship locks, bridges, ports, reservoirs, power stations and other places with a certain depth below the ground. There is no downward retractable rescue machinery; when disasters or operations occur in these underground places, often due to the lack of practical rescue equipment, the rescue workers cannot go deep into the underground disaster scene in time, and the trapped people and mater...

AI Technical Summary

Problems solved by technology

[0003] The invention discloses a rotary lifting lifesaving ladder to solve the problems in the prior art where there is a place below the ground with a certain depth, there is no downward retractable rescue machine, and the rescue workers cannot go deep into the underground disaster scene in time, trapped people and others. Problems such as lack of supplies, rescue machinery and inability to be rescued in time

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