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GB/T 25684.12-2021: Earth-moving machinery - Safety - Part 12: Requirements for cable excavators
Status: Valid GB/T 25684.12: Evolution and historical versions
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| GB/T 25684.12-2021 | English | 349 |
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Earth-moving machinery - Safety - Part 12: Requirements for cable excavators
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GB/T 25684.12-2021
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| GB 25684.12-2010 | English | 799 |
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Earth-moving machinery -- Safety -- Part 12: Requirements for cable excavators
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GB 25684.12-2010
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Basic data | Standard ID | GB/T 25684.12-2021 (GB/T25684.12-2021) | | Description (Translated English) | Earth-moving machinery - Safety - Part 12: Requirements for cable excavators | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P97 | | Word Count Estimation | 18,112 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 25684.12-2021: Earth-moving machinery - Safety - Part 12: Requirements for cable excavators---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.
Earth-moving machinery -- Safety -- Part 12: Requirements for cable excavators
ICS 53:100
CCSP97
National Standards of People's Republic of China
Replacing GB 25684:12-2010
Earthmoving Machinery Safety
Part 12: Requirements for mechanical excavators
(ISO 20474-12:2017, MOD)
Published on 2021-12-31
2022-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Safety requirements and protective measures 3
4:1 General requirements 3
4:2 Driver operating position 3
4:3 Driver's controls and indicators 3
4:4 Steering system 3
4:5 Swing Brake System 4
4:6 Lifting system 4
4:7 Limiting device 5
4:8 Calculation of Lifting Capacity 5
4:9 Safety-related parts of the control system 6
4:10 Stability 6
4:11 Mechanical excavators powered by electrical energy 6
5 Verification of safety requirements and safeguards 6
6 Usage information7
Appendix A (Normative) Requirements for Slewing Brake System of Mechanical Excavator 8
Appendix B (Informative) Figure 10
Reference 13
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 is Part 12 of GB/T 25684 "Earth-moving Machinery Safety": GB/T 25684 has released the following parts:
--- Part 1: General requirements;
--- Part 2: Requirements for bulldozers;
--- Part 3: Requirements for loaders;
--- Part 4: Requirements for backhoe loaders;
--- Part 5: Requirements for hydraulic excavators;
--- Part 6: Requirements for dump trucks;
--- Part 7: Requirements for scrapers;
--- Part 8: Requirements for motor graders;
--- Part 9: Requirements for pipelayers;
--- Part 10: Requirements for trenchers;
--- Part 11: Requirements for backfill compactors;
--- Part 12: Requirements for mechanical excavators;
--- Part 13: Requirements for road rollers:
This document replaces GB 25684:12-2010 "Earth-moving Machinery Safety Part 12: Requirements for Mechanical Excavators": and
Compared with GB 25684:12-2010, in addition to structural adjustment and editorial changes, the main technical changes are as follows:
a) Changed the scope of the standard (see Chapter 1, Chapter 1 of the:2010 edition);
b) Added some terms and definitions (see 3:4~3:9);
c) delete the channel requirements (see 4:2 of the:2010 edition);
d) Deleted the requirement for driver seat vibration (see 4:3:4 of the:2010 edition);
e) Changed the content of terms and definitions in Appendix A (see Appendix A, Appendix A of the:2010 edition);
f) Changed the content of the legend in Appendix B (see Appendix B, Appendix B of the:2010 edition);
g) Deleted Appendix C (see Appendix C of the:2010 edition):
This document is revised and adopted ISO 20474-12:2017 "Earth-moving machinery safety - Part 12: Requirements for mechanical excavators":
The technical differences between this document and ISO 20474-12:2017 and their reasons are as follows:
--- Delete EN791:1995 in Chapter 2, because EN791:1995 has been abolished;
--- Deleted "Tilt line determined according to 5:5 of EN791:1995" in 4:8:1, this clause does not affect the use of the standard:
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 Earthmoving Machinery Standardization Technical Committee (SAC/TC334):
This document is drafted by: Tianjin Construction Machinery Research Institute Co:, Ltd:, Xiamen Loader Co:, Ltd:
The main drafters of this document: Deng Yanfang, Fu Hao:
The previous versions of this document and its superseded documents are as follows:
---First released in:2010 as GB 25684:12-2010;
---This is the first revision:
Introduction
This document is a Type C standard defined by ISO 12100:
The scope of this document describes the machinery involved and the scope of the hazards, hazardous states or hazardous events involved:
Since the design and manufacture of the machine follow the requirements of Class C standards, when the requirements of Class C standards are different from those of Class A or Class B standards
At the same time, the requirements of Class C standards take precedence over other standards:
GB/T 25684 "Earth-moving Machinery Safety" is a basic and universal guideline for guiding my country's earth-moving machinery products to meet relevant safety requirements:
standard: GB/T 25684 aims to establish general safety requirements applicable to earth-moving machinery products and special safety requirements for specific machine families
requirements, it is proposed to be composed of 14 parts:
--- Part 1: General requirements: The purpose is to establish general safety requirements applicable to all machine types in the earthmoving machinery industry:
The foundational standard for a full range of standards:
--- Part 2: Requirements for bulldozers: The purpose is to propose specific products that meet the unique characteristics of bulldozer products:
Security Requirements Clause:
--- Part 3: Requirements for loaders: The purpose is to propose specific products that meet the characteristics of their own products according to the unique characteristics of loader products:
Security Requirements Clause:
--- Part 4: Requirements for backhoe loaders: The purpose is to propose a product that meets the unique characteristics of backhoe loader products:
Point-specific security requirements clause:
--- Part 5: Requirements for hydraulic excavators: The purpose is to put forward the unique characteristics of hydraulic excavator products that meet the characteristics of their own products:
Point-specific security requirements clause:
--- Part 6: Requirements for dump trucks: The purpose is to propose specific products that meet the unique characteristics of dump truck products:
Security Requirements Clause:
--- Part 7: Requirements for scrapers: The purpose is to propose specific products that meet the characteristics of their own products according to the unique characteristics of scraper products:
Security Requirements Clause:
--- Part 8: Motor grader requirements: The purpose is to propose specific products that meet the unique characteristics of motor graders:
Security Requirements Clause:
--- Part 9: Requirements for pipelayers: The purpose is to propose specific products that meet the unique characteristics of the pipelayer products:
Security Requirements Clause:
--- Part 10: Requirements for trenchers: The purpose is to propose special features that conform to the characteristics of the trencher products according to the unique characteristics of the trencher products:
Security requirements clauses:
--- Part 11: Requirements for backfill compactors: The purpose is to propose products that meet the unique characteristics of backfill compactor products:
Features specific security requirements clause:
--- Part 12: Requirements for mechanical excavators: The purpose is to propose products that meet the unique characteristics of mechanical excavators:
Features specific security requirements clause:
--- Part 13: Requirements for road rollers: The purpose is to propose special characteristics that meet the characteristics of the rollers according to the unique characteristics of the road roller products:
Security requirements clauses:
--- Part 14: Requirements for small implement carriers: The purpose is to put forward a proposal to meet the unique characteristics of small implement carrying machine products:
Specific safety requirements clauses for their own product features:
The safety requirements of Part 2 to Part 14 are used in conjunction with the general requirements of Part 1 to better meet the use requirements:
Earthmoving Machinery Safety
Part 12: Requirements for mechanical excavators
1 Scope
This document specifies the safety requirements for mechanical excavators and specifies the conditions for reasonable misoperation of earth-moving machinery in the manufacturer's designated purpose or foreseen:
When applied under conditions, all major hazards, hazardous states and hazardous events related to it (see Appendix A of GB/T 25684:1-2021); and regulations
It defines technical measures to eliminate or reduce the risks caused by major hazards, dangerous states or dangerous events in use, operation and maintenance:
This document is used in conjunction with GB/T 25684:1 (specifying general safety requirements for two or more families of earth-moving machinery): of this document
Specific requirements take precedence over the general requirements of GB/T 25684:1:
If it is expected to work with other work equipment or attachments such as drilling rigs, piling and piling equipment and mobile equipment (such as rails, walking legs, pontoons
and ships) or fixed chassis, this document is also applicable to this type of mechanical excavator, chassis and superstructure, this document does not
Specific hazards are specified in relation to the above-mentioned additional equipment or attachments:
This document applies to mechanical excavators as defined by ISO 6165:
This document does not apply to machines manufactured prior to the implementation of this document:
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 25684:1-2021 Earthmoving Machinery Safety Part 1: General Requirements (ISO 20474-1:2017, IDT)
ISO 4310 Cranes-Testcodeandprocedures
Note: GB/T 5905-2011 Crane Test Specifications and Procedures (ISO 4310:2009, IDT)
ISO 5010 Earth-moving machinery Wheeled machinery steering requirements (Earth-movingmachinery-Wheeledmachines-
Steering requirements)
Note: GB/T 14781-2014 Earthmoving Machinery Wheeled Machine Steering Requirements (ISO 5010:2007, IDT)
ISO 6014 Earth-moving machinery-Determination of groundspeed
Note: GB/T 10913-2005 Determination of traveling speed of earth-moving machinery (ISO 6014:1986, MOD)
ISO 6165 Earth-moving machinery basic types identification, terms and definitions (Earth-movingmachinery-Basictypes-
Identificationandtermsanddefinitions)
Note: GB/T 8498-2017 Earth-moving machinery basic type identification, terms and definitions (ISO 6165:2012, IDT)
ISO 7546 Earth-moving machinery loaders and front shovel bucket capacity calibration (Earth-movingmachinery-Loader
andfrontloadingexcavatorbuckets-Volumetricratings)
Note: GB/T 21942-2008 Bucket capacity calibration of earth-moving machinery loaders and front shovel excavators (ISO 7546:19863, MOD)
ISO 10262:1998 Laboratory tests and performance requirements for driver guards for earth-moving machinery hydraulic excavators (Earth-
movingmachinery-Hydraulicexcavators-Laboratorytestsandperformancerequirementsforopera-
torprotectiveguards)
Note: GB/T 19932-2005 Laboratory test and performance requirements for protective devices for drivers of hydraulic excavators of earth-moving machinery (ISO 10262:1998,
MOD)
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