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Ships and marine technology - Loose gear for marine lifting appliances on ships - General technical requirement
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GB/T 40495-2021
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Standard similar to GB/T 40495-2021 GB/T 45488 GB/T 45485
Basic data Standard ID | GB/T 40495-2021 (GB/T40495-2021) | Description (Translated English) | Ships and marine technology - Loose gear for marine lifting appliances on ships - General technical requirement | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | U26 | Word Count Estimation | 18,145 | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 40495-2021: Ships and marine technology - Loose gear for marine lifting appliances on ships - General technical requirement ---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.
Ships and marine technology - Loose gear for marine lifting appliances on ships - General technical requirement
ICS 47.020.50
U26
National Standards of People's Republic of China
Removable lifting equipment for ships and marine technology
General technical requirements for parts
(ISO 16855.2013, MOD)
Released on 2021-08-20
2022-03-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the redrafting law to amend and adopt ISO 16855.2013 ``Removable parts of marine lifting equipment for ships and marine technology
General technical requirements for pieces"
Compared with ISO 16855.2013, this standard has more structural adjustments. Appendix A lists this standard and ISO 16855.
2013 chapter number comparison list.
Compared with ISO 16855.2013, this standard has technical differences.
The set vertical single line (|) is marked, and a list of the corresponding technical differences and their reasons is given in Appendix B.
This standard was proposed and managed by the National Ship Outfitting Standardization Technical Committee (SAC/TC129).
Drafting organization of this standard. Wuhan Marine Machinery Co., Ltd.
The main drafters of this standard. Shi Yongke, Cui Yanhua, Ma Zhigang, Cai Zhijun.
Removable lifting equipment for ships and marine technology
General technical requirements for parts
1 Scope
This standard specifies the general requirements, design requirements, test requirements, certificates and markings for detachable parts of marine lifting equipment.
This standard applies to the design, selection and manufacture of detachable parts of marine lifting equipment.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 700 carbon structural steel (GB/T 700-2006, ISO 630.1995, NEQ)
GB/T 1591 Low-alloy high-strength structural steel
GB/T 3893 Shipbuilding and offshore structure deck machinery terms and symbols (GB/T 3893-2008, ISO /FDIS3828.
2007, IDT)
GB/T 4307 Lifting hook terminology (GB/T 4307-2005, ISO 1837.2003, IDT)
GB/T 25854 D-shaped and bow-shaped forged shackles for general lifting (GB/T 25854-2010, ISO 2415.2004, IDT)
3 Terms and definitions
The following terms and definitions defined in GB/T 3893 and GB/T 4307 apply to this document.
3.1
Removable parts looseegear
It is not permanently connected to the marine lifting equipment to bear the load, but it cannot constitute the parts of the lifting equipment alone.
Note. Such as hooks, pulleys, pulleys, shackles, swivels, triangular eye plates, steel cable knots, elastic screw buckles, knotted positioning cables and chains.
3.2
Safe working load
SWL
The detachable parts are designed and tested to verify the maximum load that they can bear.
Note 1.The maximum load that the detachable parts can bear is not less than the safe working load of the lifting equipment in service.
Note 2.The safe working load of detachable parts is different from the safe working load of lifting equipment.
3.3
Hoistfactor
When the lifting equipment is working, the coefficient of the dynamic load effect on the equipment or other parts due to the motion effect.
["Specifications for Lifting Equipment of Ships and Offshore Installations", definition 1.2]
4 General requirements
4.1 Detachable parts, such as hooks, shackles, swivels, etc. should not be cast iron or cast steel.
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