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GB/T 21635-2008 English PDF

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GB/T 21635-2008: Airplane -- Jacks clearance dimensions
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 21635-2008134 Add to Cart 3 days Airplane -- Jacks clearance dimensions Valid

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Basic data

Standard ID: GB/T 21635-2008 (GB/T21635-2008)
Description (Translated English): Airplane -- Jacks clearance dimensions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V35
Classification of International Standard: 49.020
Word Count Estimation: 7,741
Date of Issue: 2008-04-09
Date of Implementation: 2008-10-01
Quoted Standard: ISO 43
Adopted Standard: ISO 1464-1985, IDT
Regulation (derived from): National Standard Approval Announcement 2008 No.5 (Total No.118)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the minimum barrier-free space in the main starting point under the aircraft provided to accommodate three-legged rack jack, jack and aircraft and to ensure there is enough space between the adjacent structures.

GB/T 21635-2008: Airplane -- Jacks clearance dimensions

---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.
Airplane. Jacks chearance dimensions ICS 49.020 Vp 35 National Standards of People's Republic of China GB/T 21635-2008/ISO 1464. 1985 Aircraft jacks spatial dimensions (ISO 1464. 1985, Aerospace-Tripodjacks-Clearancedimensions, IDT) Posted 2008-04-09 2008-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with ISO 1464. 1985 "Air tripod jack rack space dimension." This standard and ISO 1464. 1985 as compared to the standard view of the table made editorial changes. The standard proposed by China Aviation Industry Corporation. The standard by the China Aviation Industry Corporation. This standard was drafted. Aviation of China Institute of Technology, China Aviation Industry Corporation First Aircraft Design and Research Institute. The main drafters of this standard. A division of agriculture, Wang, Wang kai-kai, Li Yong, Lvguang Lin. GB/T 21635-2008/ISO 1464. 1985 Aircraft jacks spatial dimensions

1 Scope

This standard specifies the minimum unobstructed space beneath the aircraft provided the starting point for the main roof to accommodate rack tripod jack and ensure jin There is sufficient clearance between the top of the aircraft adjacent structures. This standard does not define all of jack spatial dimensions. In the critical space conditions, this standard is only used as a reference design. final Determining the actual size of the jack of critical space should be used.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. ISO 43 aircraft jack pad

3 Requirements

Minimum shelf space to accommodate three-legged beneath the aircraft provided the starting point of the main roof jacks should be equilateral triangle at the bottom surface defining a side Ribs and the vertical axis is a positive angle of 30 ° bevel shape. In the airplane at maximum height before jacking state, the height of the bevel should be sufficient to fly Machine jack pad. Bevel cut inside the top circle diameter should meet the dimensions given in Table 1. Furthermore, to ensure adequate stability of the jack Resistance, lower bevel underside of the support from the vertical centerline of the radius should be not less than 0.3 times the maximum height of the jack. When the jack pad embedded in the surface of the aircraft, which should also have an additional bevel bevel located at the vertical center line and on the bottom of the above Cylindrical barrier-free space. The corresponding main jack at the top of the cylindrical working space shall comply with the requirements specified in ISO 43. As shown above requirements 1, 2, 3 as shown in FIG. Table 1 at the top of the inscribed circle diameter Jacks carrying capacity/kN (1bf) inside the top of the inscribed circle diameter/mm (in) < 44.5 (10000) 152.4 (6) 44.5 (10000) ~ < 500 (112 000) 228.6 (9) 500 (112 000) - 1112 (250000) 304.8 (12) GB/T 21635-2008/ISO 1464. 1985
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