[1]石 康1,苏旭武1,夏海龙2,等.极端状态下周盘式制动器热应力耦合特性[J].湖北工业大学学报,2024,39(1):23-27.
 SHI Kang,SU Xuwu,XIA Hailong,et al.Research on Thermal Stress Coupling Characteristics of Peripheral Disc Brakes Under Extreme Conditions[J].,2024,39(1):23-27.
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极端状态下周盘式制动器热应力耦合特性()
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《湖北工业大学学报》[ISSN:1003-4684/CN:42-1752/Z]

卷:
39
期数:
2024年第1期
页码:
23-27
栏目:
出版日期:
2024-02-20

文章信息/Info

Title:
Research on Thermal Stress Coupling Characteristics of Peripheral Disc Brakes Under Extreme Conditions
作者:
石 康1苏旭武1夏海龙2杨 蒙2
(1 湖北工业大学 机械工程学院,湖北 武汉 430068;2 湖北中尔车轴有限公司,湖北 十堰 442013)
Author(s):
SHI Kang1 SU Xuwu1 XIA Hailong2 YANG Meng2
(1 School of Mechanical Engineering, Hubei Univ. of Tech., Wuhan 430068,China;2 Hubei Zhonger Axle Co., Ltd.,Shiyan 442013,China)
关键词:
周盘式制动器鼓式制动器热应力耦合有限元仿真
Keywords:
disc brake drum brake thermal stress coupling simulation analysis
分类号:
TK123
文献标志码:
A
摘要:
鼓式制动器在制动过程中,由于其密封的结构,制动鼓温度过高,热应力变大,散热较难.这些因素会对制动器的制动性能产生较大影响,从而影响汽车的安全行驶.针对一种新型的周盘式制动结构,分析其在极端状态下的热 应力耦合特性.以外径193mm 周制动盘为例,采用有限元仿真与实验,得出温度场、应力场、最大位移量等参数对制动性能影响的一般规律.结果显示:周盘式制动器制动过程中最大温度为153.65℃,最大应力为92.644MPa,最大变形量为4.5562mm,相比同类尺寸的鼓式制动器的最高温度可以降低6%,最大应力可以降低23%和最大变形量可以减小8%,其综合性能指标明显优于鼓式制动器,具有较高的工程应用价值.
Abstract:
Drum brake in the braking process, due to its sealed structure, is struck with some problems like too high temperature, increasing thermal stress, and difficulty in heat dissipation. These factors will have a greater impact on the braking performance of the brake, thus affecting the safe driving of the car. In this paper, a new type of circum disc brake structure is proposed, and its thermal stress coupling characteristics under extreme conditions are analyzed. Taking the circular brake disc with an outer diameter of 193mm as an example, finite element simulation and experiment are adopted to obtain the general law of the influence of temperature field, stress field, maximum displacement and other parameters on the braking performance. The results show that: in the braking process of the disc brake, the maximum temperature is 153.65℃; the maximum stress is 92.644MPa and the maximum deformation is 4.5562mm. Compared with the drum brake of the same size, the maximum temperature, the maximum stress and the maximum deformation can be reduced by 6%, 23% and 8%. Its comprehensive performance index is obviously better than drum brake and it has strong engineering application value.

参考文献/References:

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备注/Memo

备注/Memo:
[收稿日期]2022- 03- 01[第一作者]石 康(1996-),男,湖北武汉人,湖北工业大学硕士研究生,研究方向为鼓式制动器的性能研究和机电液传动与控制.[通信作者]苏旭武(1973-),男,湖北武汉人,湖北工业大学副教授,研究方向为为机电、数控方面的教学与科研.
更新日期/Last Update: 2024-03-13