DB12/T 552-2015 自行车车把技术规范

ICS43.150

Y14

DB12

天津市地方标准

DB12/T552—2015

自行车车把技术规范

Technicalspecificationforbicyclehandlebars

2015-01-23发布2015-03-01实施

天津市市场和质量监督管理委员会发布

目次

前言................................................................................II

1范围..............................................................................1

2规范性引用文件....................................................................1

3术语和定义........................................................................1

4产品分类..........................................................................1

5要求..............................................................................2

5.1外观..........................................................................2

5.2把横管高低偏差................................................................2

5.3把立管安全线..................................................................2

5.4把套或把盖对把橫管的拉脱力....................................................2

5.5把芯丝杆断裂力矩..............................................................2

5.6把立管侧向弯曲................................................................2

5.7把橫管和把立管组合件侧向弯曲..................................................2

5.8把立管向前弯曲................................................................2

5.9把橫管对把立管的扭矩..........................................................3

5.10把横管和把立管组合件的疲劳试验................................................3

6试验方法..........................................................................3

6.1外观..........................................................................3

6.2把横管高低偏差................................................................3

6.3把立管安全线..................................................................3

6.4把套或把盖对把橫管的拉脱力....................................................3

6.5把芯丝杆断裂力矩试验..........................................................3

6.6把立管侧向弯曲试验............................................................4

6.7把橫管和把立管组合件侧向弯曲试验..............................................4

6.8把立管向前弯曲试验............................................................5

6.9把橫管对把立管的扭矩试验......................................................6

6.10把横管和把立管组合件的疲劳试验................................................7

7检验规则..........................................................................7

7.1出厂检验......................................................................7

7.2型式检验......................................................................8

8产品标志..........................................................................8

前言

本标准按照GB/T1.1-2009《标准化工作导则第1部分：标准的结构和编写》给出的规则起草。

本标准由天津市