GB/T 37442-2019 English PDF

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GB/T 37442-2019: Design methods of drums for offshore cranes
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37442-2019	199	Add to Cart	3 days	Design methods of drums for offshore cranes	Valid

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Basic data

Standard ID: GB/T 37442-2019 (GB/T37442-2019)
Description (Translated English): Design methods of drums for offshore cranes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U42
Classification of International Standard: 47.020.50
Word Count Estimation: 10,121
Date of Issue: 2019-05-10
Date of Implementation: 2019-12-01
Quoted Standard: GB/T 700-2006; GB/T 1591-2018; GB/T 3893-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the design methods such as the number of winding layers, materials, structural parameters, wire rope fixing, and design calculation of offshore platform crane drums. This standard is applicable to the hoisting and luffing drums of offshore platform cranes, and other types of offshore cranes can be implemented by reference.

GB/T 37442-2019: Design methods of drums for offshore cranes

---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.
Design methods of drums for offshore cranes ICS 47.020.50 U42 National Standards of People's Republic of China Offshore platform crane reel design method Published on.2019-05-10 2019-12-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is under the jurisdiction of the National Marine Machinery Standardization Technical Committee (SAC/TC137). This standard was drafted. Wuhan Marine Machinery Co., Ltd., China Shipbuilding Industry Corporation 704 Institute, Nanjing Zhongchuan Oasis Machine Co., Ltd. The main drafters of this standard. Tang Min, Jiang Ronghua, Shi Yongke, Cai Zhijun, Xu Bing, Yang Longxia, Chen Lin, Zhang Xiaoqun, and Yin Yin. Offshore platform crane reel design method

1 Scope

This standard specifies the design methods for the number of layers of the offshore platform crane reel, material, structural parameters, wire rope fixing, design calculation. This standard is applicable to the lifting and luffing work rolls for offshore platform cranes. Other types of offshore cranes can be referred to.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 700-2006 carbon structural steel GB/T 1591-2018 low alloy high strength structural steel GB/T 3893-2008 Shipbuilding and offshore structures deck machinery terms and symbols

3 Terms and definitions

The following terms and definitions as defined in GB/T 3893-2008 apply to this document. 3.1 Wire rope declination ropefleetangle The maximum angle at which the wire rope enters the reel or pulley (first rope pulley), that is, when the wire rope moves to the left or right side of the reel The maximum angle between the centerline of the wire rope and the plane perpendicular to the reel or pulley axis, as shown in Figure 1, δ1 and δ2. Figure 1 Schematic diagram of wire rope deflection

4 reel type

According to the surface rope groove form, the wire rope reel can be divided into three types. a light reel, a spiral groove reel and a polyline rope reel. a) Optical reel. a cordless groove arrangement on the surface of the reel; b) spiral grooved reel. the surface of the reel is machined with a spiral groove; c) Broken rope groove. The surface of the drum is machined with a folding rope groove, and the folding rope groove is divided into a single-fold rope groove and a double-fold rope groove. reel. According to the installation method of the end of the wire rope, the wire rope reel can be divided into two types. single reel and double reel. ......

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