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GB/T 26475-2021: Bridge type grab ship unloader
Status: Valid GB/T 26475: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 26475-2021 | English | 559 |
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Bridge type grab ship unloader
| Valid |
GB/T 26475-2021
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| GB/T 26475-2011 | English | 1039 |
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Bridge type grab ship unloader
| Obsolete |
GB/T 26475-2011
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PDF similar to GB/T 26475-2021
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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