GB/T 33921-2017 English PDF

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GB/T 33921-2017: Underground rubber-tyred mining machines -- Performance requirements and test procedures for brake systems
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33921-2017	268	Add to Cart	1 days	Underground rubber-tyred mining machines -- Performance requirements and test procedures for brake systems	Valid

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Basic data

Standard ID: GB/T 33921-2017 (GB/T33921-2017)
Description (Translated English): Underground rubber-tyred mining machines -- Performance requirements and test procedures for brake systems
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D90
Classification of International Standard: 73.100.01
Word Count Estimation: 22,215
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 33921-2017: Underground rubber-tyred mining 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.
Underground rubber-tyred mining machines - Performance requirements and test procedures for brake systems ICS 73.100.01 D90 National Standards of People's Republic of China Underground tire mining vehicles Performance requirements and test methods for braking systems 2017-07-12 released 2018-02-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 4 Accuracy of instrument 5 5 General requirements 5 5.1 General 5 5.2 Braking system requirements 6 5.3 Common parts 6 5.4 Brake control mechanism 6 5.5 driving brake system 7 5.6 to maintain performance 9 5.7 Auxiliary Braking System 5.8 parking brake system 9 5.9 Hydrostatic brake system 5.10 Storage device performance and alarm device 10 5.11 Braking system with electronic vehicle control system (MCS) 5.12 Vehicles designed for traction trailers 5.13 vehicle manual and label 6 Test conditions 12 6.1 Overall parameter test 12 6.2 General test conditions 12 6.3 Test Roads 12 6.4 Vehicle Test Configuration 12 Performance test 7.1 General requirements 13 7.2 Braking system operating mechanism 7.3 Storage device 7.4 Maintain performance test 13 7.5 Braking performance 14 7.6 Alternative Auxiliary Brake Test for Hydrostatic or Similar Vehicle Driving Vehicles 8 Test Report 15

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Machinery Industry Federation. This standard by the National Mining Machinery Standardization Technical Committee (SAC/TC88) centralized. This standard is responsible for drafting units. Sinosteel Hengyang Heavy Machinery Co., Ltd. This standard participates in the drafting unit. Luoyang Mining Machinery Engineering Design & Research Institute Co., Ltd., Changzhou Scientific Research Trial Center Co., Ltd., Yantai Xingye Machinery Co., Ltd. The main drafters of this standard. Cui Changqun, Liu Huilong, Wang Yadong, Zhao Yiqiao, Sui Ziqing, Zhao Jinyuan, Yang Xianli, Zhong Xun, Qu Jun. Underground tire mining vehicles Performance requirements and test methods for braking systems

1 Scope

This standard specifies the performance requirements and test methods for the braking system of underground tire mining vehicles. This standard applies to the following underground metal mines and other non-coal underground mines, tunneling projects used in self-tire vehicles. --- Underground scraper (LHD); --- underground dump truck (underground tire transport tanker); --- Underground auxiliary vehicle.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Control device for GB/T 8595 earthmoving machinery driver GB/T 10913 Determination of travel speed of earthmoving machinery GB/T 15706 General principles of mechanical safety design Risk assessment and risk reduction GB/T 21153-2007 Earthwork machinery - Dimensions, performance and parameters of units and measurement accuracy ISO 15998 Earthmoving machinery Machine control systems for the use of electronic devices Functional safety performance standards and tests [Earth- movingmachinery-Machine-controlsystems (MCS) usingelectroniccomponents-Performancecri- teriaandtestsforfunctionalsafety]

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Brake system brakesystem Make the vehicle brake and/or stop all combinations of parts. Including brake operating mechanism, brake transmission, brake, such as equipment The speed limiter should also be included. 3.1.1 Traffic brake system A main braking system for braking and stopping the vehicle. 3.1.2 Auxiliary brake system secondarybrakesystem In the event of failure of the vehicle brake system, the vehicle is braking the system. 3.1.3 Parking brake system parkingbrakesystem A system that maintains a parked vehicle in a fixed state may also be part of an auxiliary braking system. ......

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