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GB/T 26475-2021 English PDF

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GB/T 26475-2021: Bridge type grab ship unloader
Status: Valid

GB/T 26475: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 26475-2021559 Add to Cart 5 days Bridge type grab ship unloader Valid
GB/T 26475-20111039 Add to Cart 5 days Bridge type grab ship unloader Obsolete

Similar standards

GB/T 24818.4   GB/T 23724.1   GB/T 24809.2   GB/T 26470   GB/T 26471   

Basic data

Standard ID: GB/T 26475-2021 (GB/T26475-2021)
Description (Translated English): Bridge type grab ship unloader
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J80
Word Count Estimation: 29,248
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 26475-2021: Bridge type grab ship unloader

---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.
Bridge type grab ship unloader ICS 53:020:99 CCSJ80 National Standards of People's Republic of China Replacing GB/T 26475-2011 Bridge Grab Ship Unloader Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Type classification and basic parameters 3 4:1 Type classification 3 4:2 Basic parameters 4 5 Technical Requirements 6 5:1 Working Environment Conditions 6 5:2 Basic requirements7 5:3 Use performance 7 5:4 Safety and protection7 5:5 Main Components 9 5:6 Connection of main components 11 5:7 Metal Structure 11 5:8 Assembly 14 5:9 Electrical equipment 17 5:10 Painting 19 6 Test methods 20 6:1 General 20 6:2 Test conditions 20 6:3 Visual inspection 20 6:4 No-load test 20 6:5 Static load test 20 6:6 Rated load test 21 6:7 Dynamic load test 21 6:8 Productivity Test 21 7 Inspection rules 22 7:1 Inspection classification 22 7:2 Factory inspection 22 7:3 Type test 23 8 Marking, packaging, transportation and storage 24 8:1 Signs 24 8:2 Packaging 24 8:3 Transport 25 8:4 Storage 25

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 of Standardization Documents" drafted: This document replaces GB/T 26475-2011 "Bridge Grab Ship Unloader": Compared with GB/T 26475-2011, except for structural adjustment and editing In addition to the editorial changes, the main technical changes are as follows: --- Revised the definition of rated lifting capacity (see 3:2, 3:2 of the:2011 edition); --- Added the definition of net average productivity (see 3:3) and the test method (see 6:8:2); --- Added the definition of average productivity (see 3:4) and the test method (see 6:8:3); --- Increased the requirements for the alarm and interlock of the lifting capacity limiter (see 5:4:2:2); --- Modified the requirements for anti-wind and anti-skid devices (see 5:4:2:5, 6:3:9 of the:2011 edition); --- Added measures for double protection of the pitching mechanism (see 5:4:6:2); --- Added anti-typhoon countermeasures (see 5:4:10); --- Increased requirements for dust suppression systems (see 5:5:13); --- Increased the requirements for the ship unloader monitoring and management system (see 5:9:2:10); --- Added requirements for setting up an independent industrial monitoring system (see 5:9:2:13); --- Increased the requirements for the operation mode of the ship unloader (see 5:9:3); --- Modified the requirements for grounding and lightning protection (see 5:9:6, 6:9:6 of the:2011 edition): Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Machinery Industry Federation: This document is under the jurisdiction of the National Standardization Technical Committee of Hoisting Machinery (SAC/TC227): This document is drafted by: Dalian Huarui Heavy Industry Group Co:, Ltd:, Beijing Hoisting and Transportation Machinery Design and Research Institute Co:, Ltd:, Beijing Kezhengping Engineering Technology Testing Research Institute Co:, Ltd:, Nantong Runbang Heavy Machinery Co:, Ltd:, Weite Technology Co:, Ltd:, Henan Guangxing Heavy Machinery Co:, Ltd: Machinery Co:, Ltd: The main drafters of this document: Jia Tiejun, Cai Yasen, Yuan Xin, Cui Yihua, Wang Cheng, Li Bin, Han Fuwei, Guo Dong: The previous versions of this document and its superseded documents are as follows: ---First published in:2011 as GB/T 26475-2011; ---This is the first revision: Bridge Grab Ship Unloader

1 Scope

This document specifies the terms and definitions of bridge grab ship unloaders (hereinafter referred to as ship unloaders) with a rated productivity of 400t/h~5000t/h: Definition, type classification and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage: This document applies to ship unloaders for unloading coal or ore, ship unloaders exceeding the above rated productivity and other bulk material ship unloaders: Refer to use: This document does not apply to bridge-type grab ship unloaders installed on pontoons:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 191 Graphical signs of packaging, storage and transportation GB/T 755-2019 Rating and performance of rotating electrical machines GB/T 1228 High-strength hexagon head bolts for steel structures GB/T 1229 High-strength hex nuts for steel structures GB/T 1230 High-strength washers for steel structures GB/T 1231 Technical Specifications for High Strength Large Hexagon Head Bolts, Large Hexagon Nuts and Washers for Steel Structures GB/T 2893 (all parts) Graphical symbols safety colors and safety signs GB/T 3323 (all parts) Non-destructive testing of welds, radiographic testing GB/T 3632 Torsional shear type high-strength bolt connection pair for steel structure GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components GB/T 3811-2008 Crane Design Specification GB/T 4208 enclosure protection class (IP code) GB/T 5226:1 Mechanical and Electrical Safety Mechanical and Electrical Equipment Part 1: General Specifications GB/T 5226:32 Mechanical and Electrical Safety Mechanical and Electrical Equipment Part 32: Technical Requirements for Hoisting Machinery GB/T 5905 Crane Test Specifications and Procedures GB/T 6067:1-2010 Safety Regulations for Lifting Machinery Part 1: General GB/T 6067:5 Safety Regulations for Lifting Machinery Part 5: Bridge and Gantry Cranes GB/T 6974:1 Crane Terminology Part 1: General Terms GB/T 6974:5 Crane Terminology Part 5: Overhead and Gantry Cranes GB/T 8918 Steel wire ropes for important purposes GB/T 8923:1 Visual assessment of surface cleanliness of steel surface preparations before coating - Part 1: Uncoated steel The rust grade and treatment grade of the surface and the steel surface after the full removal of the original coating GB/T 8923:2 Visual assessment of surface cleanliness of steel surface preparations before coating - Part 2: Coated steel Treatment level after partial removal of the original coating on the surface GB/T 9286 Cross-cut test for paints and varnishes
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