Aircraft equipment compartment maintenance structure

Abstract

The invention belongs to the technical field of aircraft design, and particularly relates to an aircraft equipment compartment maintenance structure. Comprising a fixed floor part and a detachable floor part, an aisle is arranged in the middle of the upper task cabin, the detachable floor part is located at the aisle position, and small equipment and large equipment are installed in the lower equipment cabin. The small equipment is located on the two sides of the lower equipment cabin, and the large equipment is located in the middle of the lower equipment cabin and below the passageway. Aiming at the conditions that the height of the lower equipment cabin of the airplane is low and the maintenance space is insufficient, the floor at the middle passage of the upper task cabin is designed into an integral detachable form, the floor is detached according to the maintenance requirement to realize equipment maintenance at the corresponding position, and the maintenance cost is reduced under the condition that the number of equipment is obviously increased. And the maintenance accessibility, openness and safety of the lower equipment cabin are obviously improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of aircraft design, and particularly relates to a plane equipment cabin maintenance structure. BACKGROUND

[0002] After a large transport aircraft is modified into a special aircraft, the task electronic equipment is significantly increased, and there is a situation that the lower equipment cabin of the aircraft is difficult to maintain. Moreover, the existing aircraft adopts the mode that a maintenance port cover is locally arranged on the belly or the task cabin floor, and personnel drill into the maintenance, and the maintainability, visibility and safety are poor.

[0003] Therefore, a technical scheme is needed to overcome or alleviate at least one of the above-mentioned defects of the prior art. SUMMARY

[0004] The application aims to provide a plane equipment cabin maintenance structure to solve the problems of small maintenance space, poor maintainability and visibility of the lower equipment cabin of the aircraft in the prior art.

[0005] The technical scheme of the application is:

[0006] The plane equipment cabin maintenance structure comprises a passageway, a floor, an aircraft equipment cabin, small equipment and large equipment, wherein,

[0007] The floor is installed on the aircraft equipment cabin, and the aircraft equipment cabin is divided into the upper task cabin and the lower equipment cabin, the floor comprises a fixed floor part and a detachable floor part, the passageway is arranged in the middle of the upper task cabin, the detachable floor part is located at the position of the passageway, the small equipment and the large equipment are installed in the lower equipment cabin, the small equipment is located on both sides of the lower equipment cabin, and the large equipment is located in the middle of the lower equipment cabin and below the passageway.

[0008] In at least one embodiment of the application, display control consoles and seats are installed on both sides of the upper task cabin.

[0009] In at least one embodiment of the application, the width of the passageway is 1 m.

[0010] In at least one embodiment of the application, the passageway penetrates the detachable floor part as a whole.

[0011] In at least one embodiment of the application, the floor comprises a floor framework and a floor panel.

[0012] In at least one embodiment of the application, the floor framework comprises a cross beam, a longitudinal beam and a vertical column, and the floor framework is a metal material.

[0013] In at least one embodiment of the application, the floor panel is a composite material.

[0014] In at least one embodiment of the present application, a fixed floor portion is provided with a plate nut, and the detachable floor portion is connected to the fixed floor portion by a bolt.

[0015] In at least one embodiment of the present application, a fixed floor portion is provided with a spring clamp nut, and the detachable floor portion is connected to the fixed floor portion by a bolt.

[0016] The present application has at least the following beneficial technical effects:

[0017] The aircraft equipment cabin maintenance structure of the present application ensures that the lower equipment cabin maintenance passage is unobstructed by designing the floor at the through-type middle passage as detachable, which can significantly improve the maintenance space, accessibility and visibility of the lower equipment cabin equipment, complete equipment arrangement in combination with the size of the equipment on the aircraft, improve the space utilization rate of the lower equipment cabin, and avoid safety problems such as insufficient oxygen when personnel drill into the maintenance equipment through the opening cover of the lower belly or the task cabin floor. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a cross-sectional view of the aircraft equipment cabin maintenance structure of one embodiment of the present application;

[0019] Fig. 2 is an axial view of the aircraft equipment cabin maintenance structure of one embodiment of the present application.

[0020] Wherein:

[0021] Passage 1, floor 2, aircraft equipment cabin 3, small equipment 4, large equipment 5. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the embodiments of the present application will be described in more detail below in combination with the drawings of the embodiments of the present application. In the drawings, the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some of the embodiments of the present application, not all. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application. The embodiments of the present application will be described in detail below in combination with the drawings.

[0023] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this application.

[0024] The following is in conjunction with the appendix Figs. 1-2 This application will be described in further detail.

[0025] This application provides an aircraft equipment compartment maintenance structure for special aircraft that do not have transportation needs. The aircraft equipment compartment maintenance structure includes: aisle 1, floor 2, aircraft equipment compartment 3, small equipment 4, and large equipment 5.

[0026] Specifically, such as Figs. 1-2 As shown, the floor 2 is connected to the load-bearing structure of the aircraft equipment compartment 3 through conventional means, such as bolt connection and other quick disassembly methods, thereby dividing the aircraft equipment compartment 3 into an upper mission compartment and a lower equipment compartment. The interior trim panel is installed on the inner side of the skin of the aircraft equipment compartment 3.

[0027] Floor 2 includes a fixed floor section and a removable floor section. An aisle 1 is provided in the middle of the upper mission cabin. On both sides of the aisle 1 of the upper mission cabin, there are onboard equipment such as display consoles and seats. The aisle 1 is reserved for maintenance space in the middle, and the width of the aisle 1 is preferably about 1m.

[0028] The removable floor section of floor 2 is located at the passageway 1, and the entire passageway 1 is permeated by the removable floor section. Floor 2 is removable throughout the passageway 1. In a preferred embodiment of this application, floor 2 is a combination of longitudinal beams, transverse beams, columns, and composite material floor panels. The transverse beams, longitudinal beams, and columns form the floor frame, which is made of metal, while the floor panels are made of composite material. The removable floor section has mounting holes along its circumference, and the fixed floor section is fitted with a support nut or spring clip nut. The removable floor section is connected to the fixed floor section by bolts, facilitating easy disassembly.

[0029] The lower equipment compartment is equipped with small equipment 4 and large equipment 5. The small equipment 4, which does not require much disassembly space, is arranged on both sides of the lower equipment compartment to make full use of the space. The large equipment 5, which requires more disassembly space, is arranged directly in the middle of the lower equipment compartment and is located below the passageway 1, which is easy to maintain and disassemble and improves the space utilization rate.

[0030] The aircraft equipment cabin maintenance structure of the application is aimed at the case that the lower equipment cabin of the aircraft is low in height and has many equipments, and the lower equipment cabin equipment at the corresponding position can be maintained by disassembling the detachable floor part of the floor 2, the large equipment and the difficult equipment to disassemble can be directly arranged at the position directly below the aisle 1, after the detachable floor part of the floor 2 is disassembled, the middle part of the lower equipment cabin 3 is opened as a whole, and both sides can be reached, and the personnel standing in front of or behind the large equipment can realize equipment maintenance, thereby realizing the maintenance of the whole aircraft equipment cabin 3.

[0031] The aircraft equipment cabin maintenance structure of the application is aimed at the case that the lower equipment cabin of the aircraft is low in height and has many equipments, and the lower equipment cabin equipment at the corresponding position can be maintained by disassembling the detachable floor part of the floor 2, the large equipment and the difficult equipment to disassemble can be directly arranged at the position directly below the aisle 1, after the detachable floor part of the floor 2 is disassembled, the middle part of the lower equipment cabin 3 is opened as a whole, and both sides can be reached, and the personnel standing in front of or behind the large equipment can realize equipment maintenance, thereby realizing the maintenance of the whole aircraft equipment cabin 3.

[0032] The above is only a specific embodiment of the application, but the protection scope of the application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the application, which should be covered in the protection scope of the application. Therefore, the protection scope of the application should be subject to the protection scope of the claims.

Claims

1. An aircraft equipment bay maintenance structure, characterized in that, include: The aisle (1), floor (2), aircraft equipment bay (3), small equipment (4), and large equipment (5) are as follows: The floor (2) is installed on the aircraft equipment compartment (3) to divide the aircraft equipment compartment (3) into the upper mission compartment and the lower equipment compartment. The floor (2) includes a fixed floor part and a removable floor part. The passage (1) is provided in the middle of the upper mission compartment. The removable floor part is located at the location of the passage (1). The small equipment (4) and the large equipment (5) are installed in the lower equipment compartment. The small equipment (4) is located on both sides of the lower equipment compartment. The large equipment (5) is located in the middle of the lower equipment compartment and below the passage (1).

2. The aircraft equipment bay maintenance structure according to claim 1, characterized in that, The upper mission cabin is equipped with display consoles and seats on both sides.

3. The aircraft equipment bay maintenance structure according to claim 1, characterized in that, The width of the passageway (1) is 1m.

4. The aircraft equipment bay maintenance structure according to claim 1, characterized in that, The passageway (1) runs through the entire removable floor section.

5. The aircraft equipment bay maintenance structure according to claim 1, characterized in that, The floor (2) includes a floor frame and a floor panel.

6. The aircraft equipment bay maintenance structure according to claim 5, characterized in that, The floor frame includes crossbeams, longitudinal beams, and columns, and the floor frame is made of metal.

7. The aircraft equipment bay maintenance structure according to claim 6, characterized in that, The floor panels are made of composite materials.

8. The aircraft equipment bay maintenance structure according to claim 7, characterized in that, The fixed floor section is equipped with a support plate nut, and the detachable floor section is connected to the fixed floor section by bolts.

9. The aircraft equipment bay maintenance structure according to claim 7, characterized in that, A spring clip nut is installed on the fixed floor section, and the detachable floor section is connected to the fixed floor section by bolts.

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