Compact passenger plane detachable firewall and usage method thereof

A firewall and compact technology, applied in the direction of fuselage, aircraft parts, fuselage insulation, etc., can solve the problems that the maintenance access cannot meet the maintenance requirements, the cabin space is narrow, and the maintenance space is small, so as to reduce disassembly and maintenance. Effects of installation time, overall weight reduction, and structural weight reduction

Pending Publication Date: 2020-03-27
AVIC SAC COMML AIRCRAFT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The cabin space before and after the fire wall structure of compact passenger aircraft is narrow, and the maintenance space is narrow, and the maintenance access cannot well meet the maintenance requirements
At present, the maintenance of compact aircraft needs to disassemble the parts of the entire firewall, which requires a large workload and a long maintenance cycle

Method used

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  • Compact passenger plane detachable firewall and usage method thereof
  • Compact passenger plane detachable firewall and usage method thereof
  • Compact passenger plane detachable firewall and usage method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1 A compact passenger aircraft detachable firewall

[0023] A detachable firewall for a compact airliner, comprising an upper half frame 1 connected to the fuselage, and a lower half frame 2 connected to the fuselage; the upper half frame 1 and the lower half frame 2 are respectively connected to the aircraft fuselage by permanent fasteners Connection; the detachable lower firewall panel 3 and the lower half frame 2 are connected by bolts and nuts; the detachable upper firewall panel 5 is connected with the upper half frame 1 by bolts and nuts; the upper firewall is detachable The panel 5 and the detachable lower firewall panel 3 are respectively connected to both sides of the firewall docking assembly 4 by means of bolts and nuts.

[0024] The firewall docking assembly 4 is composed of a firewall docking angle bar and several bracket nuts.

[0025] The fronts of the detachable upper firewall panel 5 and the detachable lower firewall panel 3 are provided wit...

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PUM

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Abstract

The invention relates to a firewall structure on an airplane, in particular to a compact passenger plane detachable firewall structure which comprises an upper half frame connected with an airplane body and a lower half frame connected with the airplane body. The upper half frame and the lower half frame are respectively connected with the airliner body through permanent fasteners; the detachablelower firewall panel is connected with the lower half frame through a detachable fastener; the detachable upper firewall panel is connected with the upper half frame through a detachable fastener; thedetachable upper firewall panel and the detachable lower firewall panel are detachably connected with the two sides of the firewall butt joint assembly respectively. The device is easy to disassemble, the maintenance time is shortened, and the maintenance cost is reduced.

Description

technical field [0001] The present invention relates to a firewall structure on an aircraft, in particular to a detachable firewall structure for a compact airliner, further speaking, the upper and lower parts of the firewall are designed as a detachable structure connected by nuts and bolts on the support plate, Realize the dismantling function of the firewall and the purpose of weight reduction. Background technique [0002] The compartment space before and after the firewall structure of the compact airliner is narrow, and its maintenance space is narrow, and the maintenance access cannot well meet the maintenance requirements. At present, the parts of the entire firewall need to be disassembled during maintenance of compact aircraft, which requires a large workload and a long maintenance period. Contents of the invention [0003] In order to solve the above problems, the technical solution adopted by the present invention is to divide the firewall into upper and lower...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64C1/40
CPCB64C1/403
Inventor 赵艳秦魏士礼牛福春奚晓波周莫普郑佩云
Owner AVIC SAC COMML AIRCRAFT
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