GB/T 39208-2020 English PDF

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GB/T 39208-2020: Code of practice for installation and commissioning of retractable azimuth thruster
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39208-2020	489	Add to Cart	5 days	Code of practice for installation and commissioning of retractable azimuth thruster	Valid

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Basic data

Standard ID: GB/T 39208-2020 (GB/T39208-2020)
Description (Translated English): Code of practice for installation and commissioning of retractable azimuth thruster
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U16
Classification of International Standard: 47.020.99
Word Count Estimation: 26,213
Date of Issue: 2020-10-11
Date of Implementation: 2021-05-01
Regulation (derived from): National Standard Announcement No. 21 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39208-2020: Code of practice for installation and commissioning of retractable azimuth thruster

---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.
Code of practice for installation and commissioning of retractable azimuth thruster ICS 47.020.99 U16 National Standards of People's Republic of China Installation and debugging regulations for retractable full-rotation rudder propeller device 2020-10-11 released 2021-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Preface Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Preparation before installation 4 4.1 File 4 4.2 People 5 4.3 Tooling, tools and equipment 5 4.4 Environmental conditions 5 4.5 Installation conditions 5 5 Installation quality requirements 5 5.1 Installation accuracy requirements 5 5.2 Completeness 6 5.3 Weld quality 6 5.4 Tightness 6 5.5 Fastness 6 6 Installation procedure 6 6.1 Installation flowchart 6 6.2 Positioning datum 7 6.3 Machining the base surface of the telescopic propeller 7 6.4 Installation of telescopic propeller bottom plate 7 6.5 Installation of guide rods and underwater supports 7 6.6 Propelling motor alignment and installation 8 6.7 Alignment review and final installation after launching 8 7 Installation inspection 8 8 Debug 9 8.1 General requirements 9 8.2 Mooring debugging 9 8.3 Navigation Commissioning 12 Appendix A (Informative Appendix) Mooring Commissioning Record Form 15 Appendix B (Informative Appendix) Voyage Commissioning Record Table 20

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 Ocean Shipping Standardization Technical Committee (SAC/TC12). Drafting organizations of this standard. CSSC Huangpu Wenchong Shipbuilding Co., Ltd., China State Shipbuilding Industry Research Institute of Technology and Economics, Guangzhou Shipbuilding International Co., Ltd. The main drafters of this standard. Zhuo Ningning, Li Zhengang, Rao Yuzhong, Jiang Yonggang, Jiang Benjian, Wu Demei, Liu Wei, Dai Yanhang, Xu Zhu, Wang Bank, Lu Xiaoke, Li Wande, Jiang Jinfen, Zhang Xinyu. Installation and debugging regulations for retractable full-rotation rudder propeller device

1 Scope

This standard specifies the pre-installation preparation, installation quality requirements, installation process, and installation process of a retractable full-rotation rudder propeller device (hereinafter referred to as "telescopic propeller") Inspection and commissioning procedures after installation, etc. This standard applies to the installation and commissioning of retractable full-rotation rudder propellers.

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 document. For undated references, the latest version (including all amendments) applies to this document. GB/T 34000-2016 China Shipbuilding Quality Standard CB/T 3190-2019 Steel hull structure welding groove type and size CB/T 3558-2011 radiographic inspection process and quality classification of ship steel welds CB/T 3559-2011 Ultrasonic testing process and quality classification of ship steel welds CB/T 3802 Requirements for surface quality inspection of ship hull welds CB/T 3909-2019 Ship electrical equipment installation process CB20112 Shipment equipment protection requirements

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Telescopic full-rotation rudder propeller device Telescopic propeller The hydraulic cylinder realizes vertical expansion and contraction and can be used as a rudder propeller with 360° full rotation. Note. It is mainly composed of propeller blades, deflector, propulsion motor, propulsion motor base, guide rod in the cabin, elastic shaft, telescopic propeller installation bottom plate, telescopic propeller installation base, It is composed of underwater supporting base and other components. According to the overall arrangement of the propulsion motor and the rudder propeller, it is mainly divided into the following forms. a) Fixed type of propulsion motor. the propulsion motor is located above the telescopic propeller device (vertical) or side (horizontal), during the telescopic process, through the clutch or elastic The shaft and other devices realize the normal operation of the propulsion motor and the telescopic propeller device; b) Propulsion motor follow-up type. The propulsion motor is located above the telescopic propeller device. During the telescopic process, the propulsion motor moves up and down with the rudder propeller. The typical layout of the fixed vertical telescopic propeller of the propulsion motor is shown in Figure 1; the typical layout of the fixed horizontal telescopic propeller of the propulsion motor is shown in Figure 2; the propulsion motor follows The typical layout of the vertical telescopic propeller is shown in Figure 3. ......

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