GB/T 20969.5-2021 English PDF

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GB/T 20969.5-2021: Special environmental condition - Machinery for plateau - Part 5: Guide rule of test for plateau natural environment - Construction machinery
Status: Valid

GB/T 20969.5: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20969.5-2021	209	Add to Cart	3 days	Special environmental condition - Machinery for plateau - Part 5: Guide rule of test for plateau natural environment - Construction machinery	Valid
GB/T 20969.5-2008	439	Add to Cart	3 days	Special environmental condition -- Machinery for plateau -- Part 5: Guide rule of test for plateau natural environment -- Construction machinery	Obsolete

Similar standards

GB/T 18148   GB/T 17922   GB/T 17921   GB/T 45375   GB/T 20969.4   GB/T 20969.1   

Basic data

Standard ID: GB/T 20969.5-2021 (GB/T20969.5-2021)
Description (Translated English): Special environmental condition - Machinery for plateau - Part 5: Guide rule of test for plateau natural environment - Construction machinery
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: P97
Word Count Estimation: 10,134
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 20969.5-2021: Special environmental condition - Machinery for plateau - Part 5: Guide rule of test for plateau natural environment - Construction machinery

---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.
Special environmental condition -- Machinery for plateau -- Part 5: Guide rule of test for plateau natural environment -- Construction machinery ICS 53:100 CCSP97 National Standards of People's Republic of China Replacing GB/T 20969:5-2008 Plateau machinery with special environmental conditions Part 5: Guidelines for high-altitude natural environment tests construction machinery 2021-12-31 Released 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Guideline 1 4:1 Test Preparation 1 4:2 Requirements for testing equipment 2 4:3 Test conditions 3 4:4 Performance test 3 4:5 Reliability test 5 4:6 Test report 5

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 5 of GB/T 20969 "Highland Machinery with Special Environmental Conditions": GB/T 20969 has released the following part: --- Part 1: Plateau requirements for internal combustion powered machinery; --- Part 2: Plateau requirements for construction machinery; --- Part 3: Specifications for selection and acceptance of plateau construction machinery; --- Part 4: Guidelines for testing in plateau natural environment - Internal combustion power machinery; --- Part 5: Guidelines for testing the plateau natural environment for construction machinery: This document replaces GB/T 20969:5-2008 "Special Environmental Conditions Plateau Machinery Part 5: Guidelines for Testing in Plateau Natural Environment" Construction Machinery", compared with GB/T 20969:5-2008, in addition to structural adjustment and editorial changes, the main technical content changes are as follows: --- Changed the "Scope" chapter (see Chapter 1, Chapter 1 of the:2008 edition); --- Changed the "normative references" (see Chapter 2, Chapter 2 of the:2008 edition); --- Changed some clauses of the "Guidelines" (see Chapter 4, Chapter 4 of the:2008 edition); --- Changed the dynamic parameters and accuracy of Table 2 (see Table 2, Table 2 of the:2008 edition); --- Changed the exhaust emission characteristic parameters and measurement methods in Table 5 (see Table 5, Table 5 of the:2008 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 Earthmoving Machinery Standardization Technical Committee (SAC/TC334): This document is drafted by: Qinghai Plateau Science and Technology Development Co:, Ltd:, Weichai Power Co:, Ltd:, Tianjin Construction Machinery Research Institute Co:, Ltd:, Lovol Construction Machinery Group Co:, Ltd: The main drafters of this document: Cheng Xiaoqing, Tan Xuguang, Chen Shuqiao, Chen Hongqian, Li Qing, Zhai Junqiang, Wang Zhijian: The previous versions of this document and its superseded documents are as follows: ---First published in:2008 as GB/T 20969:5-2008; ---This is the first revision:

Introduction

Due to the unique high-altitude environment in our country, construction machinery must meet these special environmental conditions and improve the adaptability and protection of construction machinery to the plateau: Ability is very necessary and very important: GB/T 20969 aims to establish the plateau suitable for internal combustion power machinery and The requirements for construction machinery consist of five parts: --- Part 1: Plateau requirements for internal combustion powered machinery; --- Part 2: Plateau requirements for construction machinery; --- Part 3: Specifications for selection and acceptance of plateau construction machinery; --- Part 4: Guidelines for testing in plateau natural environment - Internal combustion power machinery; --- Part 5: Guidelines for testing the plateau natural environment for construction machinery: Under the natural environment conditions of the plateau, the test detection of construction machinery is quite different from that in low-altitude areas: It is very important to obtain accurate data and results in order to meet the requirements of the plateau and strictly regulate the behavior of construction machinery in the plateau natural environment performance test: need: The purpose of this document is to standardize the testing conditions, testing contents and testing methods of construction machinery in the plateau natural environment: Provide standardized test process and result requirements for correct inspection and evaluation of product plateau performance: Plateau machinery with special environmental conditions Part 5: Guidelines for high-altitude natural environment tests construction machinery

1 Scope

This document specifies the performance test, type test and type test of construction machinery at an altitude of:2000m~5000m: Guidelines for testing in high altitude natural environment conditions: This document is applicable to the test and inspection of the construction machinery supporting the internal combustion power machinery in the plateau natural environment:

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 6375 Earth-moving machinery traction force test method GB/T 10913 Determination of traveling speed of earth-moving machinery GB/T 18576 Terms and Definitions of Construction Machinery and Equipment GB 20891 Limits and Measurement Methods of Exhaust Pollutants from Diesel Engines for Non-Road Mobile Machinery (China Phase III and IV) GB/T 20969:1-2021 Plateau Machinery Part 1: Plateau Requirements for Internal Combustion Power Machinery GB/T 20969:2-2021 Plateau machinery under special environmental conditions Part 2: Plateau requirements for construction machinery GB 36886 Non-road mobile diesel machinery exhaust smoke limit and measurement method JB/T 4198:2-2020 Diesel Engines for Construction Machinery Part 2: Performance Test Methods

3 Terms and Definitions

Terms and definitions defined in GB/T 18576 and GB/T 20969:2-2021 apply to this document:

4 Guidelines

4:1 Test Preparation 4:1:1 Preparation of the prototype Provide 1~2 prototypes for type test, one can directly enter the plateau reliability test, and the other can be used after the performance test of the whole machine Then put into the plateau industrial test, it can also be carried out successively with a prototype: 4:1:2 Requirements for Prototype 4:1:2:1 Basic requirements The prototype of the plateau prototype shall comply with the provisions of 4:1 in GB/T 20969:2-2021: ......

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