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GB/T 38918-2020: Civil airplane landing gear structure design and simulation
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| GB/T 38918-2020 | English | 339 |
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Civil airplane landing gear structure design and simulation
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GB/T 38918-2020
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Basic data | Standard ID | GB/T 38918-2020 (GB/T38918-2020) | | Description (Translated English) | Civil airplane landing gear structure design and simulation | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | V05 | | Classification of International Standard | 49.020 | | Word Count Estimation | 18,114 | | Date of Issue | 2020-06-02 | | Date of Implementation | 2020-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38918-2020: Civil airplane landing gear structure design and simulation---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Structural Design and Simulation of Civil Aircraft Landing Gear)
ICS 49.020
V05
National Standards of People's Republic of China
Structural Design and Simulation of Civil Aircraft Landing Gear
2020-06-02 release
2020-12-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Contents
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Basic requirements 2
4.1 Overview 2
4.2 Overall layout 2
4.3 Structure 2
4.4 Structural Bearing 2
4.5 Material selection 3
4.6 Maintainability 3
5 Detailed requirements 3
5.1 Buffer design 3
5.2 Receiving mechanism 6
6 Simulation 7
6.1 General requirements 7
6.2 Simulation content 8
6.3 Evaluation of simulation results 12
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed and managed by the National Aircraft Standardization Technical Committee (SAC/TC435).
This standard was drafted by. COMAC Shanghai Aircraft Design and Research Institute, China Aviation Industry Corporation Xi'an Aircraft Design Institute, China
Hangtong Fei Research Institute Co., Ltd., China Aviation Comprehensive Technology Research Institute, Aviation Industry Jincheng Nanjing Electromechanical Hydraulic Engineering Research Center.
The main drafters of this standard. Zhang Pu, Wang Zhe, Li Xuechang, Wang Yongmei, Guo Shixian, Xia Xiaoli, Zhou Xiaoping, Wang Ning, Wu Canhui, Zhang Jianhua,
Wang Sen.
Structural Design and Simulation of Civil Aircraft Landing Gear
1 Scope
This standard specifies the basic requirements, detailed requirements, and simulation requirements for civil aircraft landing gear structure design.
This standard applies to civil aircraft landing gear (hereinafter referred to as landing gear) structural design and simulation, other aircraft can refer to use.
2 Normative references
The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
China Civil Aviation Regulations Part 25 (Airworthiness Standards for Transport Aircraft) (CCAR25) Order of the Ministry of Transport of the People's Republic of China.2016
No. 19
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Landing gear
The device used for aircraft take-off, landing, ground taxiing and parking, generally consists of support structure, buffer, retracting mechanism, turning mechanism, wheel
Brake device and other components.
3.2
Landing gear structure landing gear structure
Landing gear components used to bear and transfer aircraft ground loads are generally composed of landing gear struts, buffers, frame, axles, struts, and retractors
It consists of release mechanism, turning mechanism, lock mechanism, hydraulic actuator and other components.
3.3
Shock absorber
The device used for the landing gear to absorb the sinking impact energy of the aircraft during the aircraft taking off and landing and taxiing.
3.4
Stroke
The amount of buffer compression.
3.5
Rebound damper recoilsnubber
A damper installed in the buffer to control the extension speed of the landing gear.
3.6
Downlock
When the landing gear is in the down position, a mechanism or device for locking the landing gear.
3.7
Uplock
When the landing gear is in the retracted position, the mechanism or device for locking the landing gear.
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