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GB/T 21152-2018 English PDF

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GB/T 21152-2018: Earth-moving machinery -- Wheeled or high-speed rubber-tracked machines -- Performance requirements and test procedures for brake systems
Status: Valid

GB/T 21152: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 21152-2018English519 Add to Cart 5 days [Need to translate] Earth-moving machinery -- Wheeled or high-speed rubber-tracked machines -- Performance requirements and test procedures for brake systems Valid GB/T 21152-2018
GB/T 21152-2007English559 Add to Cart 4 days [Need to translate] Earth-moving machinery -- Braking systems of rubber-tyred machines -- Systems and performance requirements and test procedures Obsolete GB/T 21152-2007

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Basic data

Standard ID GB/T 21152-2018 (GB/T21152-2018)
Description (Translated English) Earth-moving machinery -- Wheeled or high-speed rubber-tracked machines -- Performance requirements and test procedures for brake systems
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard P97
Classification of International Standard 53.100
Word Count Estimation 26,296
Date of Issue 2018-12-28
Date of Implementation 2019-07-01
Older Standard (superseded by this standard) GB/T 21152-2007
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 21152-2018: Earth-moving machinery -- Wheeled or high-speed rubber-tracked machines -- Performance requirements and test procedures for brake systems


---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--Wheeled or high--speed rubber--tracked machines--Performance requirements and test procedures for brake systems ICS 53.100 P97 National Standards of People's Republic of China Replace GB/T 21152-2007 Earthmoving machinery or high speed rubber crawler machine Brake system performance requirements and test methods (ISO 3450.2011, MOD) Published on.2018-12-28 2019-07-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General requirements 5 4.1 Brake System Requirements 5 4.2 Shared parts 5 4.3 Brake Control System 5 4.4 Service Brake System 6 4.5 Auxiliary braking system 6 4.6 Parking brake system 6 4.7 Hydrostatic brake system 6 4.8 Combined braking and steering function system 6 4.9 Energy storage performance and alarm devices 7 4.10 Brake system with electronic control system 7 4.11 Machine designed to tow the trailer 7 4.12 Machine Instructions and Labels 7 4.13 Brake Slope Capacity Estimation 8 5 Test conditions 8 5.1 Overall test parameters 8 5.2 General Test Conditions 9 5.3 Test Road 9 5.4 Machine Test Configuration 9 6 performance test 10 6.1 General 10 6.2 Brake operating mechanism 10 6.3 Energy Storage System 10 6.4 Performance 10 6.5 Braking performance 12 6.6 Alternative test 13 7 Test report 13 Appendix A (informative) Special underground mining machinery 15 Appendix B (informative) Calculation method for braking capacity of slope 19 Reference 20

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 21152-2007 "Performance requirements and test methods for earth-moving machinery tire-type machine brake systems". this Compared with GB/T 21152-2007, the main technical changes except the editorial modification are as follows. --- Increased the scope of the standard (see Chapter 1); --- Added some reference documents (see Chapter 2); --- Added some terms (see Chapter 3); --- Increased general requirements (see Chapter 4); --- Added Appendix A (informative appendix); --- Added Appendix B (informative appendix). This standard uses the redrafting method to modify the use of ISO 3450.2011 "earth mechanical wheel or high speed rubber tracked machine brake System performance requirements and test methods. The technical differences between this standard and ISO 3450.2011 have been incorporated into the text and are in it. The outer margins of the terms involved are marked with a vertical single line. The main differences are as follows. --- Chapter 3 contains three reference documents "ISO 6165, ISO 7133 and ISO 8811". Because these three files are not standardized Sexual references, move them to the reference. --- Chapter 4 Suspension Section was modified to "Note. The requirements of this clause apply to all machines within the scope of this standard. All brake systems Design, build and install to minimize contamination. "Because this article is a suspended section and does not contain requirements. ---4.1.1 was changed from "All machines should be equipped with service brake system, auxiliary brake system and parking brake system" to "machine should be configured The service brake system and the parking brake system can be installed with an auxiliary brake system. According to the expected use of the machine, all driving, loading Each braking system shall be effective under load, acceleration, off-road and ramp conditions. "Because it is consistent with GB 25684.1. ---4.1.4 removed "The brake system for single-wheel roller and combination roller should be applied to all wheels and rollers. “Because this requirement does not meet the product technology level of the domestic market. The documents of our country that have a consistent correspondence with the international documents referenced in this standard are as follows. ---GB/T 8595-2008 Earthmoving machinery driver's operating device (ISO 10968.2004, IDT) ---GB/T 10913-2005 Earth moving machine speed measurement (ISO 6014. 1986, MOD) ---GB/T 21153-2007 Earthwork mechanical dimensions, performance and parameters of the unit and measurement accuracy (ISO 9248..1992, MOD) ---GB/T 21154-2014 Earthmoving machinery and its working equipment and components quality measurement method (ISO 6016.2008, IDT) ---GB/T 34353-2017 Earthmoving machinery application electronic machine control system (MCS) functional safety performance Guidelines and tests (ISO 15998.2008, IDT) This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Earthmoving Machinery Standardization Technical Committee (SAC/TC334). This standard is drafted by. Xugong Group Engineering Machinery Co., Ltd. Jiangsu Xuzhou Engineering Machinery Research Institute, Sany Heavy Industry Co., Ltd. Division, Tianjin Construction Machinery Research Institute Co., Ltd. Participated in the drafting of this standard. Inner Mongolia North Heavy Vehicle Co., Ltd. The main drafters of this standard. Zhao Bin, Li Lianghui, Jia Xiaowen, Yang Ying, Kong Shanzhong, Deng Yanfang, Wu Jixia, and Qi Jie. The previous versions of the standards replaced by this standard are. ---GB/T 21152-2007. Earthmoving machinery or high speed rubber crawler machine Brake system performance requirements and test methods

1 Scope

This standard specifies the service brake system, auxiliary brake system and parking brake system for wheeled and high-speed rubber crawler earthmoving machinery. Minimum performance requirements and test methods for a uniform assessment of these brake systems. This standard applies to the following earth moving machinery that is working on the site or on the mine or on the road. --- Self-rubber tire type earthmoving machinery as defined in ISO 6165; --- Self-rolling rollers and backfill compactors as defined by ISO 6165 and ISO 8811; ---Scraper defined by ISO 7133; --- Remote wheeled or rubber tracked machine as defined by ISO 6165; ---Derived machinery for rubber tire type earthmoving machinery; ---Rubber crawler earthmoving machinery with a maximum speed of not less than 20km/h. This standard does not apply to earth-moving machinery for walking control (see ISO 17063) or for driving speeds less than 20 km/h (see ISO 10265) Steel or rubber crawler earthmoving machinery. Underground mining special machinery is not within the scope of this standard, but this standard passes some Modifications and additions of braking performance, general provisions can be applied to these machines (see Appendix A). Note. At the time of publication of this standard, there is no international standard for special machinery for underground mining.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. ISO 6014 Earth-moving machinery-Determination of groundspeed ISO 6016 Earthmoving machine and its working equipment and components quality measurement method (Earth-movingmachinery- Methodsofmeasuringthemassesofwholemachines,theirequipmentandcomponents) Units and measurement accuracy of ISO 9248 earthmoving machine dimensions, performance and parameters (Earth-movingmachinery-Units Fordimensions, performanceandcapacities, andtheirmeasurementaccuracies) ISO 10968 Earth-moving machinery-Operator's controls ISO 15998 Machine Control System (MCS) for earthmoving machinery applications - Performance criteria and tests for functional safety (Earth-movingmachinery-Machine-controlsystems(MCS)usingelectroniccomponents-Perform- Ancecriteriaandtestsforfunctionalsafety)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Brake system brakesystem (brakingsystem) A combination of all components that brake and/or park the machine. Including the operating mechanism, brake transmission, brakes, such as equipment limit Speedometer is also included.

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