Quick detachable combined cover cap capable of bearing stress

A flap and hinge technology, applied in aircraft parts, ground devices, aircraft accessories, etc., can solve problems such as affecting maintainability, increasing structural weight, affecting access, etc., to ensure structural strength, easy installation and maintenance, The effect of the maintainability guarantee

Active Publication Date: 2010-03-10
JIANGXI HONGDU AVIATION IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the equipment area that needs frequent maintenance, the quick-release non-load-bearing cover is usually selected in the opening area according to the actual situation. In order not to affect the force transmission, it is often only possible to retain the normal stress-bearing members in the opening area and strengthen the frame structure according to the actual situation. , which will affect the access and increase the weight of the structure; in equipment areas that require regular maintenance but infrequent overhaul, the cover is usually

Method used

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  • Quick detachable combined cover cap capable of bearing stress
  • Quick detachable combined cover cap capable of bearing stress

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Embodiment Construction

[0008] Below in conjunction with accompanying drawing, the present invention will be further described, see attached drawing figure 1 , 2 , a load-bearing quick-release combination cover, composed of a normal-stress-bearing cover 1 and a quick-release cover 2, the outer edge of the normal-stress-bearing cover 1 is connected to the aircraft skin through a supporting plate nut 3 and a bolt 6, and the bearing The normal stress cover 1 is provided with a rectangular, circular, square or elliptical opening, which is characterized in that the opening in the normal stress cover 1 is equipped with a quick release cover 2, and the shape of the quick release cover 2 is the same as The shape of the opening provided in the normal stress opening cover 1 matches, and is connected with the normal stress opening cover 1 through the hinge 5 and the force lock 4, so that the quick release cover 2 covers the inner opening of the normal stress opening cover 1 .

[0009] The load-bearing quick-r...

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PUM

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Abstract

The invention relates to the improvement of an aircraft cover cap, in particular to a quick detachable combined cover cap capable of bearing stress. The cover cap comprises a positive stress bearing cover cap and a quick detachable cover cap, and is characterized in that the quick detachable cover cap is installed at the opening in the positive stress bearing cover cap; the shape of the quick detachable cover cap is matched with that of the opening installed in the positive stress bearing cover cap, and the quick detachable cover cap is connected with the positive stress bearing cover cap through a hinge and a bearing lock at the opening of the positive stress bearing cover cap so as to cover the opening in the positive stress bearing cover cap. The adoption of the combined cover cap formof the positive stress bearing cover cap and the quick detachable cover cap guarantees the structural strength need and the maintainability need of the aircraft and facilitates the installation and maintenance of the aircraft, without affecting the structural weight of the aircraft.

Description

technical field [0001] The invention relates to the improvement of the structure of an aircraft hatch, in particular to a load-bearing quick-release combined hatch. Background technique [0002] When large flaps need to be designed for installation and maintenance on the mechanical structure of the aircraft, there are usually two types of quick-release non-loaded flaps and normal stress-bearing flaps. In the equipment area that needs frequent maintenance, the quick-release non-load-bearing cover is usually selected in the opening area according to the actual situation. In order not to affect the force transmission, it is often only possible to retain the normal stress-bearing members in the opening area and strengthen the frame structure according to the actual situation. , which will affect the access and increase the weight of the structure; in equipment areas that require regular maintenance but infrequent overhaul, the cover is usually designed as a normal stress cover, ...

Claims

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Application Information

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IPC IPC(8): B64C1/14B64F5/00
Inventor 肖流军吴根林曾小苗吉先武梁浩胡定红周金根李伟东
Owner JIANGXI HONGDU AVIATION IND GRP
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