主管：中华人民共和国司法部
主办：司法鉴定科学研究院
ISSN 1671-2072  CN 31-1863/N
中国司法鉴定

中国司法鉴定 ›› 2021 ›› Issue (2): 64-72.DOI: 10.3969/j.issn.1671-2072.2021.02.010

• 鉴定科学 • 上一篇    下一篇

典型电动两轮车倒地滑动摩擦系数实验研究

衡威威1，赵 冬2，龚 标2，冯 浩1，李 威1，关 闯1，赵明辉1   

  1. 1.司法鉴定科学研究院 上海市司法鉴定专业技术服务平台 司法部司法鉴定重点实验室，上海 200063；

    2.公安部交通管理科学研究所 道路交通安全公安部重点实验室，江苏 无锡214151

  • 收稿日期:2021-01-29 出版日期:2021-03-25 发布日期:2021-03-25
  • 作者简介:衡威威（1992-），男，工程师，主要从事道路交通事故鉴定分析研究。E-mail:hengww@ssfjd.cn

Experimental Research on the Coefficient of Sliding Friction of Typical Electric Two-wheeled Vehicle

HENG Weiwei1, ZHAO Dong2, GONG Biao2, FENG Hao1, LI Wei1, GUAN Chuang1, ZHAO Minghui1   

  1. 1. Shanghai Forensic Science Platform, Key Laboratory of Forensic Science, Ministry of Justice, Academy of Forensic Science,

    Shanghai 200063, China; 2. Key Laboratory of Ministry of Public Security for Road Traffic Safety,

    Traffic Management Research Institute of the Ministry of Public Security, Wuxi 214151, China

  • Received:2021-01-29 Published:2021-03-25 Online:2021-03-25

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摘要：

目的 为获得典型电动两轮车倒地滑动摩擦系数，研究倒地滑行速度、路面干湿、路面材料以及电动两轮车结构等因素对电动两轮车倒地滑动摩擦系数的影响。方法 采用实车牵引法测试了“标准”和“非标”两种类型电动两轮车在四种常见路面上的0～50 km/h速度区间内的倒地滑动摩擦系数。结果 电动两轮车在实验混凝土路面倒地滑动摩擦系数为0.5～0.7，在实验沥青路面倒地滑动摩擦系数0.2～0.4，电动两轮车的倒地摩擦系数与滑动速度总体呈负相关，两种类型电动两轮车倒地摩擦系数无显著性差异。结论 路面性质、倒地滑动速度对电动两轮车倒地滑动摩擦系数影响较大，电动两轮车类型对倒地滑动摩擦系数影响较小，实验混凝土和沥青路面倒地滑动摩擦系数分别为0.5～0.7和0.2～0.4。

关键词:

电动两轮车, 倒地滑动摩擦系数, 实车牵引法, 路面性质, 滑动速度

Abstract:

Objective In order to obtain the sliding friction coefficient of typical electric two-wheeled vehicle, to study the influence of factors such as the sliding speed, the dry and wet road surface, the road material and the structure of the electric vehicle on the sliding friction coefficient of the electric two-wheeled vehicle. Methods The real vehicle traction method was applied to test the sliding friction coefficient of the two types of electric two-wheeled vehicle, "standard" and "non-standard", on four common kinds of roads in the range of 0-50 km/h. Results The results showed that the friction coefficient of the electric two-wheeled vehicle fell to the ground on the experimental concrete pavement was 0.5-0.7, and the friction coefficient of the experimental asphalt pavement was 0.2-0.4. The friction coefficient and the sliding speed were generally negatively related. There is no significant difference in the friction coefficient between two types of electric two-wheeled vehicle. Conclusion The properties of road surface and the speed of sliding have a greater impact on the friction of the electric two-wheeled vehicle, while the two-wheeled vehicle type has a small impact on it, the sliding friction coefficients of test concrete and asphalt pavements are 0.5-0.7 and 0.2-0.4, respectively.

Key words:

electric two-wheeled vehicle, coefficient of sliding friction, real vehicle traction method, road surface properties, sliding speed

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