|
US$299.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4446-2025: Shipbuilding and marine structures - Mooring winches
Status: Valid GB/T 4446: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4446-2025 | English | 299 |
Add to Cart
|
3 days [Need to translate]
|
Shipbuilding and marine structures - Mooring winches
| Valid |
GB/T 4446-2025
|
| GB/T 4446-1995 | English | 249 |
Add to Cart
|
3 days [Need to translate]
|
Mooring winches
| |
GB/T 4446-1995
|
| GB 4446-1984 | English | 239 |
Add to Cart
|
2 days [Need to translate]
|
Mooring winches
| Obsolete |
GB 4446-1984
|
Standard similar to GB/T 4446-2025 GB/T 7358 GB/T 4447 Basic data | Standard ID | GB/T 4446-2025 (GB/T4446-2025) | | Description (Translated English) | Shipbuilding and marine structures - Mooring winches | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U60 | | Classification of International Standard | 47.020.50 | | Word Count Estimation | 14,155 | | Date of Issue | 2025-04-25 | | Date of Implementation | 2025-11-01 | | Older Standard (superseded by this standard) | GB/T 4446-1995 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 4446-2025: Shipbuilding and marine structures - Mooring winches---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.
ICS 47.020.50
CCSU60
National Standard of the People's Republic of China
Replace GB/T 4446-1995
Shipbuilding and offshore structure mooring winches
(ISO 3730.2012, IDT)
Released on 2025-04-25
2025-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 4446-1995 "Mooring winch". Compared with GB/T 4446-1995, except for structural adjustments and editorial changes,
In addition, the main technical changes are as follows.
--- Deleted the drum load, support load, stall load, recovery load, release load, nominal speed, no-load speed and creeping speed
Terms and definitions (see 3.1 to 3.8 of the.1995 edition);
--- Added the terms and definitions of right winch, left winch, central winch, single drum winch and multi-drum winch (see 3.1 to 3.5);
--- Deleted the content of "Product Classification" (see Chapter 4 of the.1995 edition);
--- Increased material stress requirements (see 4.2);
--- Changed the strength requirements (see 4.3, 5.4 of the.1995 edition);
--- Added instructions for winches for oil tankers (see 4.3, 4.5, 6.2 and 6.3);
--- Changed the requirements for control devices (see 4.4, 5.3.4 of the.1995 edition);
--- Changed the load requirements for hydraulic or steam driven winch brakes (see 4.5.1, 5.3.2 of the.1995 edition);
--- Changed the reel design requirements (see 4.6, 5.3.1 of the.1995 edition);
--- Changed the requirements for cable drums (see 4.7.2, 5.3.6 of the.1995 edition);
--- Added drive device requirements (see 4.8);
--- Changed the performance requirements for drum loads (see 5.1, 5.2.1 of the.1995 edition);
--- Added two specifications of drum load 63kN and 100kN, and added the nominal specification series (see Table 2);
--- Increased speed requirements (see 5.5);
--- Deleted the automatic retraction and extension speed requirements (see 5.2.5 of the.1995 edition);
--- Deleted the setting requirements for automatic control torque (see 5.2.6 of the.1995 edition);
--- Deleted the requirements for fiber rope traction devices (see 5.3.8 of the.1995 edition);
--- Changed the test requirements (see Chapter 6, Chapter 6 of the.1995 edition);
--- Deleted the inspection rules, packaging, transportation and storage (see Chapter 7 and Chapter 8 of the.1995 edition);
--- Changed the marking system (see Chapter 7, Chapter 8 of the.1995 edition).
This document is equivalent to ISO 3730.2012 "Mooring winches for shipbuilding and offshore structures".
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee for Standardization of Marine Machinery (SAC/TC137).
This document was drafted by. China Shipbuilding Industry Corporation 704 Research Institute, Nanjing CSSC Oasis Machinery Co., Ltd., Shanghai COSCO
COSCO Shipping Heavy Industry Co., Ltd., Qingdao Ocean Shipping Mariners Vocational College, Jiangsu Zhengtian Heavy Industry Co., Ltd., COSCO Shipping Special Transport Co., Ltd.
Company, Shanghai Guanzhuo Enterprise Development Co., Ltd.
The main drafters of this document are. Wang Shuo, Li Jiajia, Wang Hong, Yang Wenying, Yue Hong, Li Jianping, Jiang Jijiang, Guo Xiaodong, Pan Yu, Ye Xiaohua, Yin Mulan,
Shao Zhenhua, Jiang Xin, Wu Jie, Lei Yu, Liu Zeyu, Wang Lin, Shi Liujian, Zhang Xiaoqun.
This document was first issued in 1984, revised for the first time in.1995, and this is the second revision.
Shipbuilding and offshore structure mooring winches
1 Scope
This document specifies the design and operation, performance specifications, test acceptance and
This type of mooring winch has the function of operating, holding and storing mooring lines on a single drum.
This type of winch can also be used for cable winding, see Table 1.
Table 1 Mooring winch functions
Action Items
Non-automatic mooring winch Automatic mooring winch
Mooring on a reel
Storage rope wound on the drum
The brake keeps the tension on the drum.
The cable can be wound on a drum or a cable drum
Tension maintained by automatic device - wound on a reel
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
ISO 2408.2017 Steel wire rope requirements
Note. GB/T 20118-2017 General technical conditions for steel wire ropes (ISO 2408.2017, NEQ)
Note. GB/T 3893-2008 Terminology and symbols for deck machinery in shipbuilding and offshore structures (ISO /FDIS3828.2007, IDT)
Note. GB/T 3766-2015 General rules and safety requirements for hydraulic transmission systems and their components (ISO 4413.2010, MOD)
ISO 6482 Shipbuilding-Deckmachinery-Warpingendpro-
files)
Note. GB/T 42690-2023 Shipbuilding deck machinery cable drum shape (ISO 6482.2017, IDT)
ISO 7825 Shipbuilding-Deck machinery-General requirements
Note. GB/T 42050-2022 General requirements for shipbuilding deck machinery (ISO 7825.2017, IDT)
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 4446-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 4446-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 4446-2025_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 4446-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. Question 5: Should I purchase the latest version GB/T 4446-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4446-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.
|