GB/T 18029.2-2022 English PDF

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GB/T 18029.2-2022: Wheelchairs - Part 2: Determination of dynamic stability of electrically powered wheelchairs
Status: Valid

GB/T 18029.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 18029.2-2022	514	Add to Cart	4 days	Wheelchairs - Part 2: Determination of dynamic stability of electrically powered wheelchairs	Valid
GB/T 18029.2-2009	594	Add to Cart	3 days	Wheelchairs -- Part 2: Determination of dynamic stability of electric wheelchairs	Obsolete

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GB 17761   GB 17761   GB/T 12996   GB/T 18029.6   GB/T 18029.8   GB/T 18029.1   

Basic data

Standard ID: GB/T 18029.2-2022 (GB/T18029.2-2022)
Description (Translated English): Wheelchairs - Part 2: Determination of dynamic stability of electrically powered wheelchairs
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y14
Classification of International Standard: 11.180.10
Word Count Estimation: 30,349
Date of Issue: 2022-10-14
Date of Implementation: 2023-02-01
Older Standard (superseded by this standard): GB/T 18029.2-2009
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 18029.2-2022: Wheelchairs - Part 2: Determination of dynamic stability of electrically powered wheelchairs

---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.
Wheelchairs -- Part 2.Determination of dynamic stability of electrically powered wheelchairs ICS 11.180.10 CCSY14 National Standards of People's Republic of China Replacing GB/T 18029.2-2009 Wheelchairs Part 2.Electric Wheelchairs Determination of dynamic stability (ISO 7176-2.2017, IDT) Published on 2022-10-12 2023-02-01 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 1 4 Principle 1 5 Test equipment 2 6 Initial setup of the test wheelchair 3 6.1 Overview 3 6.2 Anti-roll device 3 6.3 Battery 3 6.4 Test load 3 7 Test procedure 4 8 Backward dynamic stability test 4 8.1 Overview 4 8.2 Wheelchair preparation 4 8.3 Starting forward 5 8.4 Braking while driving forward on a level surface or uphill 5 8.5 Braking while driving backwards 5 8.6 Driving forward from a standstill and climbing the steps 6 8.7 Drive forward at maximum speed and climb steps 6 8.8 Driving backwards from a standstill down the steps 6 9 Forward dynamic stability test 7 9.1 Overview 7 9.2 Wheelchair preparation 7 9.3 Braking while driving forward on a level surface or downhill 8 9.4 Drive downhill to the horizontal test plane 8 9.5 Climb the steps forward at maximum speed 8 9.6 Driving down steps from a standstill start 8 10 Lateral dynamic stability test 9 10.1 Overview 9 10.2 Wheelchair preparation 9 10.3 Turning from a standstill to 10 10.4 Rotating at maximum speed 10 10.5 Sudden turn at maximum speed 10 10.6 Driving down the steps diagonally forward 10 11 Inspection report 11 12 Announcement of test results 11 Appendix A (Informative) Setting of Remote Control Device of Wheelchair 13 Appendix B (Informative) Use of Live Test Riders 16 Appendix C (normative) Stability Scoring System 17 Appendix D (Informative) Recommended Format of Inspection Report Results 18 Reference 21

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 2 of GB/T (GB /Z)18029 "Wheelchair Vehicles". GB/T (GB /Z)18029 has released the following parts. --- Part 1.Determination of static stability; --- Part 2.Determination of dynamic stability of electric wheelchairs; --- Part 3.Determination of braking performance; --- Part 4.Determination of theoretical energy consumption of electric wheelchairs and electric scooters; --- Part 5.Determination of dimensions, mass and operating space; --- Part 6.Determination of the maximum speed, acceleration and deceleration of electric wheelchairs; --- Part 7.Measurement of seat and wheel dimensions; --- Part 8.Requirements and test methods for static strength, impact strength and fatigue strength; --- Part 9.Electric wheelchair climatic test method; --- Part 10.Determination of the obstacle-surmounting ability of electric wheelchairs; --- Part 11.Test dummies; --- Part 13.Determination of the coefficient of friction of the test surface; --- Part 14.Requirements and test methods for power and control systems for electric wheelchairs and electric scooters; --- Part 15.Requirements for information release, document issuance and identification; --- Part 16.Flame retardancy of postural fixation devices; --- Part 19.Wheeled mobile devices that can be used as motor vehicle seats; --- Part 21.Electromagnetic compatibility requirements and test methods for electric wheelchairs, electric scooters and battery chargers; --- Part 22.Adjustment procedures; --- Part 26.Terminology; --- Part 28.Requirements and test methods for stair climbing appliances. This document replaces GB/T 18029.2-2009 "Wheelchairs - Part 2.Determination of Dynamic Stability of Electric Wheelchairs", and Compared with GB/T 18029.2-2009, in addition to structural adjustment and editorial changes, the main technical changes are as follows. --- Changed the ramp requirements (see 5.2, 5.2 of the.2009 edition); --- Increased remote control test (see 6.4.2). This document is equivalent to ISO 7176-2.2017 "Wheelchairs - Part 2.Determination of Dynamic Stability of Electric Wheelchairs". The following editorial changes have been made to this document. --- Delete the last paragraph of 5.2 which duplicates the content of Note 4 of 5.2. 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 the Ministry of Civil Affairs of the People's Republic of China. This document is under the jurisdiction of the National Technical Committee on Standardization of Rehabilitation and Special Equipment for Persons with Disabilities (SAC/TC148). This document is drafted by. National Research Center for Rehabilitation Assistive Devices. The main drafters of this document. Ma Fengling, Liu Junling. The previous versions of this document and its superseded documents are as follows. ---First released in.2009 as GB/T 18029.2-2009; ---This is the first revision.

Introduction

According to the principle of document users, GB/T (GB /Z) 18029 "Wheelchair Vehicles" stipulates that wheelchair users, manufacturers, testing institutions, etc. The design, performance, testing, infrastructure, information release and other aspects of the wheelchair vehicle concerned by the interested parties. GB/T 18029 (GB /Z) is proposed by 22 parts consist of. --- Part 1.Determination of static stability; --- Part 2.Determination of dynamic stability of electric wheelchairs; --- Part 3.Determination of braking performance; --- Part 4.Determination of theoretical energy consumption of electric wheelchairs and electric scooters; --- Part 5.Determination of dimensions, mass and operating space; --- Part 6.Determination of the maximum speed, acceleration and deceleration of electric wheelchairs; --- Part 7.Measurement of seat and wheel dimensions; --- Part 8.Requirements and test methods for static strength, impact strength and fatigue strength; --- Part 9.Electric wheelchair climatic test method; --- Part 10.Determination of the obstacle-surmounting ability of electric wheelchairs; --- Part 11.Test dummies; --- Part 13.Determination of the coefficient of friction of the test surface; --- Part 14.Requirements and test methods for power and control systems for electric wheelchairs and electric scooters; --- Part 15.Requirements for information release, document issuance and identification; --- Part 16.Flame retardancy of postural fixation devices; --- Part 19.Wheeled mobile devices that can be used as motor vehicle seats; --- Part 21.Electromagnetic compatibility requirements and test methods for electric wheelchairs, electric scooters and battery chargers; --- Part 22.Adjustment procedures; --- Part 25.Batteries and chargers for electric wheelchairs; --- Part 26.Terminology; --- Part 28.Requirements and test methods for stair climbing appliances; --- Part 30.Wheelchair test methods and requirements for changing the occupant's posture. Among them, Part 26 is the term; Part 11, Part 13 stipulates the infrastructure requirements for wheelchair testing; Part 22 stipulates Sets test preparation requirements; Part 15 sets out information release requirements; Parts 1, 3, 5, 7, 8 Part, Part 10, Part 16 specifies the general requirements and test methods for all wheelchairs (including manual and electric); Part 2, Part 4, Part 6, Part 9, Part 14, Part 21, Part 25 set out the requirements and Test methods; Parts 19, 28, and 30 specify requirements for special functional wheelchairs. In order to better prescribe and adjust, it is important to understand the dynamic stability characteristics of wheelchairs. Wheelchair users and prescribers The safety impact of dynamic stability should be understood, especially when adjusting seat systems with a wide range of configurations, the environment in which the wheelchair will be used and the Possible risk factors in the environment, and wheelchair configuration to deal with the risk factors. This document specifies dynamic stability tests for wheelchairs with different configurations under various operating conditions. The effectiveness of the stability control system is evaluated through the procedures outlined in this document. Wheelchair instability is an important cause of injury accidents. Therefore, it is necessary for all parties involved in the supply of wheelchairs to understand the Destabilizing factors, interested parties can be wheelchair designers and manufacturers, prescribers, therapists, architects, utility providers merchants and inspection agencies. The purpose of this document is to describe a test method for wheelchair vehicles to consistently demonstrate dynamic stability under various proven stability limit challenges. The test can reflect the effect of adjustment and configuration. This document will assist interested parties in defining the context and purpose of wheelchair use. Although this document does not specify requirements, it can serve as a basic reference for other documents specifying wheelchair stability. Wheelchairs Part 2.Electric Wheelchairs Determination of dynamic stability

1 Scope

This document specifies a test method for determining the dynamic stability of electric wheelchairs. This document applies to electric wheelchairs with a maximum speed of not more than 15km/h, single-occupancy, including electric scooters. This document does not apply to manual wheelchairs equipped with power-assisted propulsion.

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. ISO 7176-11 Wheelchairs - Part 11.Test dummies (Wheelchairs-Part 11.Testdummies) Note. GB /Z 18029.11-2021 Wheelchair Part 11.Dummy for testing (ISO 7176-11.2012, IDT) ISO 7176-13 Wheelchairs Part 13.Determination of the coefficient of friction of test surfaces (Wheelchairs-Part 13.Determina- Note. GB/T 18029.13-2008 Wheelchair Part 13.Determination of the coefficient of friction of the test surface (ISO 7176-13.1989, IDT) ISO 7176-15 Wheelchairs Part 15.Requirements for information release, documentation and marking (Wheelchairs-Part 15.Re- Note. GB/T 18029.15-2008 Wheelchair Part 15.Requirements for Information Release, Document Issuance and Marking (ISO 7176-15.1996, IDT) ISO 7176-22 Wheelchairs - Part 22.Adjustment procedures (Wheelchairs-Part 22.Set-upprocedures) Note. GB/T 18029.22-2009 Wheelchairs - Part 22.Adjustment Procedures (ISO 7176-22.2000, IDT) ISO 7176-26 Wheelchairs - Part 26.Terminology (Wheelchairs-Part 26.Vocabulary) Note. GB/T 18029.26-2014 Wheelchair Part 26.Terminology (ISO 7176-26.2007, IDT)

3 Terms and Definitions

ISO 7176-26 and the following terms and definitions apply to this document. 3.1 wheel lift wheellift Under unstable conditions, the wheel detaches from the test surface. Note 1.Does not include momentary detachment due to surface unevenness or transition. Note 2.It also does not include the transition to the use of the direction of rotation of the wheel to disengage.

4 Principles

A series of driving tests are carried out on the wheelchair under the simulation of normal use, and the occurrence of the wheelchair under various unstable conditions is observed. ......

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