ДСТУ EN 131-6:2022 Лестницы. Часть 6. Телескопические лестницы (EN 131-6:2019, IDT)

ДСТУ EN 131-6:2022
(EN 131-6:2019, IDT)

Драбини. Частина 6. Телескопічні драбини

 
 
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

European foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Functional dimensions

4.1 General dimensions

4.2 Specific dimensions

4.3 Top rung clearance l₆

4.4 Outside width b₄

5 Requirements

5.1 General requirements

5.2 Distance between rungs/steps

5.3 Additional requirements for the top of leaning ladders

5.4 Locking of the rung/step sections

5.5 Design

5.6 Base width b₂

6 Testing

6.1 General

6.2 Ladder preconditioning

6.3 Strength test of stiles

6.4 Bending test of stiles

6.5 Lateral deflection test of the ladder

6.6 Bottom stile ends test

6.7 Vertical load on rungs, steps and platforms

6.8 Test of opening restraints and hinges of standing telescopic ladders

6.9 Base slip test for leaning ladders

6.10 Test of locking mechanism

6.11 Feet/End cap pull test

6.12 Asymmetrical bending test

6.13 Test methods for plastic ladders

6.14 Test methods for plastic rung/step brackets

6.15 Durability

6.16 Opening and closing cycle test

7 Marking and user instructions

7.1 General

7.2 Marking

7.3 User instruction

7.4 List of items to be inspected

7.5 Storage

Annex A (normative) Test sequence

Annex В (informative) Deviations

Bibliography