Lifting device for mounting and maintaining aero-engine

Abstract

A lifting device for mounting and maintaining an aero-engine is characterized by comprising lower guide rails, rollers, short rods, long rods, guy cables, upper guide rails, winding drums, motors, an engine, unfoldable mechanisms, scissors fork mechanisms and drive control mechanisms; the two lower guide rails, the rollers, the scissors fork mechanisms, the upper guide rails and the drive control mechanisms form the two independent unfoldable mechanisms together; the two independent unfoldable mechanisms are perpendicularly arranged at the front end and the back end of the engine; the lower guide rails are fixedly connected with the engine; the upper guide rails are fixedly connected with an airplane; the drive control mechanisms comprise the guy cables, the winding drums and the motors. The lifting device has the advantages that the folding ratio is large, the radial direction space between the engine and the airplane can be effectively utilized under a completely gathering condition, meanwhile accurate positioning can be formed with a main mounting part of the engine, and the quick mounting is facilitated; during the expansion process, the expansion is stable, the perturbation is small, and the device is not only suitable for the aero-engine, but also can be applied to a crane for industrial buildings and an escaping device for fire hazard.

Description

technical field [0001] The invention relates to the field of devices for installation and maintenance of aviation products, in particular to a lifting device for installation and maintenance of aero-engines. Background technique [0002] The aero engine is the core component of the aircraft. The reliability and maintainability of the engine will directly affect the attendance rate, safety and maintenance cost of the aircraft. Therefore, regular inspection and maintenance of the engine is required during the use of the aircraft. When maintaining large and medium-sized embedded aircraft engines, due to their high height from the ground, it is common practice for ground crews to use a high-altitude platform to maintain the engine on the platform; or use special hoisting equipment or engine Mounting racks etc. disassembled the engine from the aircraft for hair loss maintenance. [0003] Existing maintenance work requires external large-scale equipment or tools, which can be pro...

AI Technical Summary

Problems solved by technology

[0003] Existing maintenance work requires external large-scale equipment or tools, which can be provided by bases or maintenance plants with complete hardware facilities, but it is difficult for many other airports to have these conditions, and because these equipment are large in size, they are not easy to transport and deployment, thus limiting the flexibility in the use of medium and large aircraft

At the same time, when a crane with a sling is used to work, the rigidity of the sling is very low, and the engine is prone to shaking, and the aircraft must be adjusted to a horizontal state before maintenance, so it is inconvenient to disassemble and maintain the engine

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