GB 811-2022 Translated English of Chinese Standard (GB 811-2022, GB 811-2022): Helmets for motorcycle and electric bicycle users [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This document specifies the product classification, requirements, inspection rules and marking, identification, product instruction manual, packaging, transportation and storage of helmets for motorcycle and electric bicycle users, and describes the test methods. This document is applicable to the helmets worn by drivers and passengers of motorcycles and electric bicycles. |
Contents
| 3 | |
Test Methods | 18 |
Inspection Rules | 39 |
normative Requirements and Test Methods for Helmet Type | 56 |
Common terms and phrases
3/4 half-helmet acceleration sensor collision accordance anvil B2 and Type B3 helmets carrier Central Vertical Axis CMYK Collision Energy Absorption collision test bench conduct the test Description of indexes dihedral angle drop hammer electric bicycle users Energy Absorption Performance ethanol field of view Figure C.1 GB/T goggles head circumference head circumference size Height of Reference helmet for motorcycle helmet sample helmet type identification helmets shall comply locking device luminous flux method specified millimeter Upward Height motorcycle and electric outer surface Parameters of Testing Performance Test Plane Basic Plane Plane h NOTE Plane testing headform protect section protective padding put the helmet Reference Plane testing retention system sandpaper sensor collision test Shape shell shown in Figure steel cone stipulations of Table strap surface convex structure symmetrical plane test device Test procedures testing section Type A3 Type B1 type inspection Type of Helmet uniaxial acceleration sensor wire rope y---the vertical distance