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GB/T 17889.1-2021: Ladders - Part 1: Terms, types, functional sizes
Status: Valid GB/T 17889.1: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 17889.1-2021 | English | 589 |
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Ladders - Part 1: Terms, types, functional sizes
| Valid |
GB/T 17889.1-2021
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| GB/T 17889.1-2012 | English | 1039 |
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Ladders -- Part 1: Terms, types, functional sizes
| Obsolete |
GB/T 17889.1-2012
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| GB/T 17889.1-1999 | English | 719 |
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Ladders-- Part 1: terms, types, functional sizes
| Obsolete |
GB/T 17889.1-1999
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PDF similar to GB/T 17889.1-2021
Basic data | Standard ID | GB/T 17889.1-2021 (GB/T17889.1-2021) | | Description (Translated English) | Ladders - Part 1: Terms, types, functional sizes | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J09 | | Word Count Estimation | 31,380 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 17889.1-2021: Ladders - Part 1: Terms, types, functional sizes---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.
Ladders -- Part 1: Terms, types, functional sizes
ICS 13:110
CCSJ09
National Standards of People's Republic of China
Replacing GB/T 17889:1-2012
Ladders part 1 : terms, types and functional dimensions
Published on 2021-12-31
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 Symbol 11
5 Type and function size 12
5:1 General requirements 12
5:2 Leaning ladders 13
5:3 Free-standing ladders 18
5:4 Combination ladder 24
Reference 27
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 1 of GB/T 17889 "Ladders": GB/T 17889 has released the following parts:
--- Part 1: Terms, types and functional dimensions;
--- Part 2: Requirements, tests and markings;
--- Part 3: Instructions for use;
--- Part 4: Ladders with single or multiple hinges;
--- Part 5: Telescopic ladders;
--- Part 6: Movable platform ladder:
This document replaces GB/T 17889:1-2012 "Ladders - Part 1: Terms, Types and Functional Dimensions", this document is related to
Compared with GB/T 17889:1-2012, except for structural adjustment and editorial modification, the main technical changes are as follows:
--- Changed the scope (see Chapter 1, Chapter 1 of the:2012 edition);
--- Added the terms and definitions of "Hinged Ladder" (see 3:1:3);
--- Changed the definition of "ladder foot" (see 3:17, 3:30 of the:2012 edition);
--- Added the terms and definitions of "balance rod" (see 3:18);
--- Delete the term "extended length" (see 3:35 of the:2012 edition);
--- Give the symbols as Chapter 4 alone (see Chapter 4, Chapter 3 of the:2012 edition);
--- Changed the content of the leaning ladder (see 5:2, 4:2 of the:2012 edition);
--- Changed the content of self-supporting ladders (see 5:3, 4:3 of the:2012 edition);
--- Changed the content of the combined ladder (see 5:4, 4:4 of the:2012 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 and managed by the National Machinery Safety Standardization Technical Committee (SAC/TC208):
This document is drafted by: Wanyi Household Products Co:, Ltd:, Shunde District, Foshan City, Zhejiang Aopeng Industry and Trade Co:, Ltd:, Suzhou Zhongchuang Aluminum Co:, Ltd:
Co:, Ltd:, Suzhou Feihua Aluminum Industry Co:, Ltd:, Xiamen Wannianjing New Material Technology Co:, Ltd:, Shanghai Ruiju Metal Products Co:, Ltd:, Ningxia
Bo Xingfu Tools Co:, Ltd:, Yongkang Weige Industry and Trade Co:, Ltd:, Zhejiang Gaomai Industry and Trade Co:, Ltd:, Shenyang Yongpan Metal Products Co:, Ltd:
Company, Tianjin Golden Anchor Household Products Co:, Ltd:, Nanjing Forestry University, Ningbo Xinyiyuan Aluminum Co:, Ltd:, China Machinery Productivity Promotion Center
Heart, Guangdong Yisheng Testing Co:, Ltd:, Shaanxi Guohongfu Testing Technology Co:, Ltd:, Yiwu Laojin Mould Co:, Ltd:, Quanzhou Standardization Association
Association, Jiangsu Meixida Technology Co:, Ltd:, Qingdao Shengmei Machinery Co:, Ltd:
The main drafters of this document: Yang Yi, Chen Miaoren, Zhou Xiaoying, Zhang Xiuzhuo, Pan Yin, Cai Baorong, Tao Junfu, Xu Fengge, Chen Mingzhen, Ju Ronghua,
Zhou Pan, Li Qin, Li Jie, Chen Zhijun, Chen Jingjing, Liu Zhiyong, Lin Hongsong, Li Zhong, Zhu Bin, Feng Shenghui, Cheng Hongbing, Wang Shengjiang, Duan Yanjun, Liang Runxi,
Pang Zonggang, Xiong Yuping, Zhao Linxiang, Xu Haozhi, Li Jiatao, Bao Minghua, Dong Kaibo, Li Chunping, Fu Huiqing, Jin Qinghe, Yan Junjun, Ni Liaoyong,
Song Xiaoning, Cai Qiang, Zhang Qun, Chen Jiaxing, He Mingli, Zhang Xiaofei:
This document was first published as GB/T 17889:1-1999 in:1999, with the first revision in:2012; this is the second revision:
Introduction
Ladder is a commonly used climbing safety device:
GB/T 17889 will improve the quality and safety level of ladder-related products and ensure the safety of users:
GB/T 17889 consists of six parts:
--- Part 1: Terms, types and functional dimensions: Give the common terms and types of ladders, as well as those that need to be used in design and testing
Functional dimensions that affect the quality and safety level of ladders and are designed to harmonize ladder-related standards:
--- Part 2: Requirements, tests and signs: Specify requirements for factors affecting the quality and safety level of ladders, and give corresponding test methods:
Law, designed to ensure the safety level of the ladder:
--- Part 3: Instructions for use: The instructions for the use of ladders need to give information and specify requirements for the way of expression, in order to ensure the use of
The person can use the ladder correctly according to the instruction manual:
--- Part 4: Ladders with single or multiple hinges: Special requirements are specified for hinged ladders to ensure the quality and safety of hinged ladders
level:
--- Part 5: Telescopic ladders: Special requirements are specified for telescopic ladders to ensure the quality and safety level of telescopic ladders:
--- Part 6: Movable platform ladder: Special requirements are specified for movable platform ladders to ensure the quality of movable platform ladders:
quantity safety level:
Ladders part 1 : terms, types and functional dimensions
1 Scope
This document defines the terminology of ladders and specifies the general design features of ladders:
This document applies to portable and mobile ladders:
This document does not apply to special purpose ladders, such as: fixed ladders, fire ladders, insulated ladders:
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 17889:2 Ladders - Part 2: Requirements, tests and marking
GB/T 17889:3 Ladder Part 3: Instruction Manual
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
ladder
A device containing ladder frames, rungs/pedals, for people to get on and off:
3:1:1
portable ladder portableladder
Ladders that are easy to carry and carry by hand:
3:1:2
mobile ladder mobileladder
Carry it to the workplace's ladder with the help of the mobile stand:
3:1:3
hingedladder
Ladders that can be folded (automatically or manually) by hinges:
3:1:4
Telescopic Ladder
A ladder consisting of three or more rung/pedal sections with retractable frames:
3:1:5
mobile platform ladder mobileladderwithplatform
Ladder with working platform and protective device, and easy to move with casters:
3:2
leaning ladder leaningladder
Ladders that need to be leaned against other fixed objects in order to be used:
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