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GB/T 18029.8-2024: Wheelchairs - Part 8: Requirements and test methods for static, impact and fatigue strengths
Status: Valid GB/T 18029.8: Evolution and historical versions
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Wheelchairs - Part 8: Requirements and test methods for static, impact and fatigue strengths
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Wheelchairs -- Part 8: Requirements and test methods for static, impact and fatigue strengths
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Basic data | Standard ID | GB/T 18029.8-2024 (GB/T18029.8-2024) | | Description (Translated English) | Wheelchairs - Part 8: Requirements and test methods for static, impact and fatigue strengths | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y14 | | Classification of International Standard | 11.180.10 | | Word Count Estimation | 66,679 | | Date of Issue | 2024-06-29 | | Date of Implementation | 2024-10-01 | | Older Standard (superseded by this standard) | GB/T 18029.8-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 18029.8-2024: Wheelchairs - Part 8: Requirements and test methods for static, impact and fatigue strengths
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ICS 11.180.10
CCSY14
National Standards of People's Republic of China
Replaces GB/T 18029.8-2008
Wheelchairs-Part 8.Static strength, impact strength and
Fatigue strength requirements and test methods
(ISO 7176-8.2014, IDT)
Released on 2024-06-29
2024-10-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Requirement 2
4.1 Strength requirements 2
4.2 Information Release Requirements 2
5 Testing Facilities 2
5.1 Loading device 2
5.2 Concave loading pad 3
5.3 Convex loading pad 3
5.4 Horizontal test surface 3
5.5 Backrest support impact test pendulum 3
5.6 Pendulum for impact test of wristbands, castors and footrests 5
5.7 Test dummies 7
5.8 Multi-roll testing machine 8
5.9 Drop test machine 9
5.10 Facilities to prevent wheelchairs from tipping over10
5.11 Facilities to prevent wheelchairs from moving 10
5.12 Angle measurement device 10
5.13 Test dummy fixture 10
5.14 Instruments for measuring battery power 10
5.15 Brake fatigue strength test equipment 10
6 Preparation of the wheelchair to be tested 12
6.1 Wheelchair Setup and Adjustment 12
6.2 Test dummy 13
6.3 Wheelchair preparation 13
6.4 Record 13
6.5 Safety in Testing 13
7 Test sequence 13
8 Test methods for static strength 13
8.1 Principle 13
8.2 Wheelchair Preparation 14
8.3 Selecting a loading pad 14
8.4 Handrail. downward loading 14
8.5 Footrest. Load down 15
8.6 Tilt rod 17
8.7 Handle Gloves 18
8.8 Handrail. Upward Loading 19
8.9 Footrest. Load upward 21
8.10 Handle. Load upward 22
8.11 Electric scooter steering handle. forward load 25
8.12 Electric Scooter Steering Handle. Loading Backwards 26
8.13 Electric Scooter Steering Handle. Load Downward 27
8.14 Electric scooter steering handle. upward loading 27
9 Test method for impact strength 28
9.1 Principle 28
9.2 Wheelchair Preparation 28
9.3 Backrest support impact strength test 28
9.4 Hand ring impact strength test 30
9.5 Impact strength test of casters 31
9.6 Footrest impact strength test 32
9.7 Anti-rollover device impact strength test 34
10 Fatigue strength test 37
10.1 Principle 37
10.2 Preparation of wheelchairs 37
10.3 Multi-roll test 37
10.4 Drop test 38
10.5 Fatigue test of manually operated parking brake 41
11 Test Results Evaluation 41
11.1 Recording and evaluation of each test 41
11.2 Evaluation after the test 42
12 Inspection Report 42
Appendix A (Informative) Static Strength Test Load Application Principles 43
Appendix B (Informative) Design Recommendations 51
Appendix C (Informative) Impact strength test of casters and footrests Pendulum swing angle according to 52
Appendix D (Informative) Calculation of the test pendulum impact center 54
References 56
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 for standardization documents"
Drafting.
This document is Part 8 of GB/T (Z) 18029 Wheelchairs. GB/T (Z) 18029 has published 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 size, mass and operating space;
--- Part 6.Determination of the maximum speed 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.Climatic test methods for electric wheelchairs;
--- Part 10.Determination of obstacle surmounting capability of electric wheelchairs;
--- Part 11.Test dummies;
--- Part 13.Determination of coefficient of friction of test surfaces;
--- 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 body positioning devices;
--- Part 19.Wheeled mobile devices that can be used as seats in motor vehicles;
--- 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 equipment;
--- Part 30.Test methods and requirements for wheelchairs that change the occupant's posture.
This document replaces GB/T 18029.8-2008 "Wheelchairs - Part 8.Requirements and test methods for static strength, impact strength and fatigue strength"
Compared with GB/T 18029.8-2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Increased the number of parts that can be adjusted and replaced during fatigue testing and the number of times they can be adjusted and replaced (see 4.1);
--- Added brake fatigue strength test (see 10.5);
---Added adjustment to the impact block size of the multi-roll fatigue tester, clarifying that wheels of different diameters use impact blocks of different sizes
(see 5.8);
--- Added more precise provisions for the reference configuration adjustment method of adjustable wheelchairs (see 6.1);
--- Added strength requirements for electric scooters (see 8.11).
This document is equivalent to ISO 7176-8.2014 "Wheelchairs - Part 8.Requirements and test methods for static strength, impact strength and fatigue strength"
Test Methods.
This document has been modified to include the following minimal editorial changes.
--- ISO 16840-3 was added to the normative references in Chapter 2;
--- Add the reference to Appendix B in Note 1 of 8.8;
--- Add the reference to Appendix D in Note 2 of 9.2;
--- Added item introduction in Chapter 10;
--- Modify 10.3.4d) in 10.3.3e) to 10.3.3;
--- Delete the requirements in Principle B.1 of Appendix B.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is issued by the Ministry of Civil Affairs of the People's Republic of China.
This document is under the jurisdiction of the National Technical Committee for Standardization of Rehabilitation and Special Equipment for Persons with Disabilities (SAC/TC148).
This document was drafted by. National Rehabilitation Assistive Devices Research Center, National Rehabilitation Assistive Devices Research Center Rehabilitation Assistive Devices Quality Supervision and Inspection Center,
Foshan Quality and Standardization Research Institute, Shanghai Hubang Intelligent Rehabilitation Equipment Co., Ltd., Foshan Dongfang Medical Equipment Factory Co., Ltd.,
Foshan Yikang Medical Technology Co., Ltd.
The main drafters of this document are. Gu Huiru, Zhang Weikang, Wu Sainan, Zhao Cishun, Yan Wei, Shan Xinying, Liang Changwen, Yan Heping, Wu Ruiping,
Zhao Jianrong.
The previous versions of the documents replaced by this document are as follows.
---First published in.2008 as GB/T 18029.8-2008;
---This is the first revision.
Introduction
GB/T (Z)18029 "Wheelchairs" is a standard that ensures the performance and quality of wheelchairs and accurately provides these performance and quality to relevant parties.
Wheelchair users want to know the performance and quality of the product, manufacturers want to know how the product achieves good quality, and testing agencies want to know how to achieve good quality.
I want to know how to inspect the product. Because GB/T (Z) 18029 is too long, and the parties using the document generally only need to
Some content, and the updates of each part will not be synchronized, so it is compiled in parts and is planned to consist of 24 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 size, mass and operating space;
--- Part 6.Determination of the maximum speed 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.Climatic test methods for electric wheelchairs;
--- Part 10.Determination of obstacle surmounting capability of electric wheelchairs;
--- Part 11.Test dummies;
--- Part 13.Determination of coefficient of friction of test surfaces;
--- 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 body positioning devices;
--- Part 19.Wheeled mobile devices that can be used as seats in motor vehicles;
--- 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 equipment;
--- Part 30.Test methods and requirements for wheelchairs that change the occupant's posture;
--- Part 31.Requirements and test methods for lithium-ion battery systems and chargers for electric wheelchairs;
--- Part 32.Test method for durability of castor assemblies for wheelchairs.
This document has been an important part of wheelchair strength testing since its publication in.2008.
Minimum requirements and test methods for static strength, impact strength and fatigue strength of vehicles and load-bearing parts.
Several items of this document have been revised, mainly.
--- In the fatigue strength test clause, the speed of the double roller test machine and the size of the impact block, the double roller test and the drop test are verified by experiment.
The number of test times for the drop test and other contents are revised;
--- Defines the failure assessment method and clearly defines the allowable adjustments and repairs, thereby minimizing the number of different test machines.
differences in test results obtained by constructing;
--- More precise provisions have been made for the adjustment method of the reference configuration of adjustable wheelchairs given in GB/T 18029.22;
--- The static, impact and fatigue test methods for body support devices have been revised and given in GB/T 30661.3;
The various items of this document will be continuously improved, and the next revisions may include the following aspects.
--- Revision of fatigue strength test requirements for intended special wheelchairs;
--- Methods and facilities for evaluating and testing special-purpose wheelchairs;
--- Further improve the test dummy to improve the test force applied to the backrest of the test wheelchair, especially to adapt to the low backrest wheelchair
Chair car.
Wheelchairs-Part 8.Static strength, impact strength and
Fatigue strength requirements and test methods
1 Scope
This document specifies the requirements for static strength, impact strength and fatigue strength of wheelchairs (including electric scooters) and describes the corresponding
This document also specifies the requirements for publishing the test results.
The above test methods can also be used to verify the indicators set by the manufacturer that are higher than the minimum requirements of this document.
This document applies to manual wheelchairs and indoor wheelchairs intended for indoor and outdoor mobility of people with disabilities, operated by the rider and by a caregiver.
Indoor and outdoor electric wheelchairs.
Note 1.In this document, manual wheelchairs and electric wheelchairs (including electric scooters) are referred to as wheelchairs.
NOTE 2 Certain clauses of this document can also serve as the basis for extended requirements and test methods for wheelchairs not covered by this document.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
ISO 16840-3 Wheelchair seats - Part 3.Determination of static, impact and fatigue strength of body support devices
Note. GB/T 30661.3-2015 Wheelchair seats Part 3.Determination of static, impact and fatigue strength of body support devices (ISO 16840-3.
2006, IDT)
ISO 7176-6 Wheelchairs-Part 6.Determination of the maximum speed of electric wheelchairs
ISO 7176-7 Wheelchairs-Part 7.Measurement of seat and wheel dimensions
Note. GB/T 18029.7-2009 Wheelchairs Part 7.Measurement of seat and wheel dimensions (ISO 7176-7.1998, IDT)
ISO 7176-11 Wheelchairs-Part 11.Test dummies
Note. GB /Z 18029.11-2021 Wheelchairs Part 11.Test dummies (ISO 7176-11.2012, IDT)
ISO 7176-15 Wheelchairs-Part 15.Requirements for the issuance and marking of information release documents
Note. GB/T 18029.15-2008 Wheelchairs Part 15.Requirements for the issuance and marking of information release documents (ISO 7176-15.1996, IDT)
ISO 7176-22 Wheelchairs-Part 22.Set-up procedures
Note. GB/T 18029.22-2024 Wheelchairs Part 22.Adjustment procedures (ISO 7176-22.2014, IDT)
ISO 7176-26 Wheelchairs-Part 26.Vocabulary
Note. GB/T 18029.26-2014 Wheelchairs Part 26.Terminology (ISO 7176-26.2007, IDT)
3 Terms and definitions
For this document, the terms and definitions defined in ISO 7176-7, ISO 7176-11 and ISO 7176-26 and the following apply.
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