Main landing gear reinforcing frame structure for aircraft
A landing gear and reinforcing frame technology, applied in the field of aircraft landing gear, can solve the problems of limited bearing strength of aluminum alloy materials, inability to meet large concentrated loads, low structural efficiency, etc., achieve good mechanical properties, facilitate implementation, and avoid stress concentration. Effect
Inactive Publication Date: 2018-05-04
XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
View PDF7 Cites 6 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0002] The reinforced frame structure of the main landing gear of domestic and foreign transport aircraft is generally designed with the main landing joint and the fuselage bulkhead as an aluminum alloy integral machine-added part. This design directly transmits force, and the bearing strength of the aluminum alloy material is limited. An existing new type of transport aircraft with a large take-off weight cannot meet the requirements that it can carry the large concentrated load transmitted from the main landing gear to the fuselage, and the frame structure must be light enough; Design separately and assemble them together again. This kind of design does not transmit force directly and the structural efficiency is not high.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0030] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention.
[0031] It should be noted that: in the drawings, the same or similar symbols represent the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of the present invention, but not all of the embodiments. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0032] In describing the present invention, it is to be understood that...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to the technical field of aircraft landing gears and in particular provides a main landing gear reinforcing frame structure for an aircraft. Lightweight titanium alloy forging materials with high specific strength are selected, landing gear bearing joints and body bulkhead structures are subjected to an overall integrated design, bolts and locknuts made from high-strength stainless steel materials are connected with the main landing gear, and the design requirement of transferring and diffusing a large concentrated load of the main landing gear to the body is met.
Description
technical field [0001] The invention relates to the technical field of aircraft landing gear, in particular to an aircraft main landing gear reinforcement frame structure. Background technique [0002] The reinforced frame structure of the main landing gear of domestic and foreign transport aircraft is generally designed with the main landing joint and the fuselage bulkhead as an aluminum alloy integral machine-added part. This design directly transmits force, and the bearing strength of the aluminum alloy material is limited. An existing new type of transport aircraft with a large take-off weight cannot meet the requirements that it can carry the large concentrated load transmitted from the main landing gear to the fuselage, and the frame structure must be light enough; Separately designed, then combined and assembled together, this kind of design is not direct in force transmission, and the structural efficiency is not high. Contents of the invention [0003] In order t...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): B64C25/04
CPCB64C25/04
Inventor 柳永波李永洁郭超
Owner XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA