Universal rear cabin working ladder

Abstract

The invention discloses a universal rear cabin working ladder which comprises a climbing ladder component, an outwards-extending ladder, a leg supporting component and a connection rod component, theclimbing ladder component comprises a supporting beam and a first pedal, the outwards-extending component comprises side legs and a second pedal and is arranged at the top of the climbing ladder component, the connection rod component comprises a first connection rod and a second connection rod, and the leg supporting component comprises a leg supporting portion and a reinforcing rod; the second connection rod and the supporting beam are in hinged connection, two ends of the second connection rod respectively extend out of two sides of the supporting beam, a universal sucker is arranged at oneend of each side leg, the other end of each side leg is provided with a first edge, the first connection rod and the leg supporting portion are arranged on different sides of the supporting beam respectively, the second connection rod, the first connection rod, the first edges and the supporting beam form a hinge four-rod mechanism, and the reinforcing rod is movably arranged between the supporting beam and the leg supporting portion. The universal rear cabin working ladder is high in strength and safety, easy to fold, convenient to maintain and wide in application range.

Description

technical field [0001] The invention belongs to the technical field of aircraft auxiliary equipment, and in particular relates to a general rear cabin working ladder. Background technique [0002] The existing working ladders used for working in the back cabin of fixed-wing aircraft are all steel and non-folding ladders, and different types of aircraft need to be equipped with different types of working ladders in the back cabin. The disadvantages of this type of working ladder are: The structure of the ladder is complex, the installation and disassembly are extremely inconvenient, which increases the workload of the staff, the ladder body is bulky, heavy, easy to be corroded and difficult to move; in order to adapt to different types of aircraft, there are various types and large quantities of working ladders in the rear cabin. All bring very big inconvenience to the transportation of working ladder and management thus. Contents of the invention [0003] Aiming at the ab...

AI Technical Summary

Problems solved by technology

[0002] The existing working ladders used for working in the back cabin of fixed-wing aircraft are all steel and non-folding ladders, and different types of aircraft need to be equipped with different types of working ladders in the back cabin. The disadvantages of this type of working ladder are: The structure of the ladder is complex, it is extremely inconvenient to install and disassemble, which increases the workload of the staff, the body of the ladder is bulky, heavy, easy to be corroded and difficult to move; in order to adapt to different types of aircraft, there are various types and large quantities of working ladders in the rear cabin. This brings great inconvenience to the transportation and management of the working ladder

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