卡车牵引车独立前悬架的研制

IF 0.6 4区 工程技术 Q4 MECHANICS Mechanika Pub Date : 2022-04-15 DOI:10.5755/j02.mech.29092
M. Topaç, Cansu Olguner, Egemen Bahar
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引用次数: 1

摘要

总结了铰接式商用车牵引车独立前悬架的设计和试验验证阶段。首先,采用多体系统(MBS)和实验设计(DOE)方法,在给定的设计体积范围内获得了满足车轮行驶过程中弧度角和轨道宽度偏差最小的悬架几何形状;随后,对悬架系统进行了动力学分析,确定了可能作用于结构元件的临界设计载荷。考虑到这些载荷,进行了悬挂系统元件的机械设计。在选定的临界载荷条件下,对整个悬架系统进行了有限元分析。确定了关键系统元件上的应力集中区域,并指出了改进措施,从而减少了应力集中。在研究的最后一部分,进行了原型设计和疲劳试验。在整个模拟真实使用条件的台架试验中,没有遇到任何类型的故障。最终的悬架系统(对)在负载能力方面比同等刚性前桥轻31%。
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Development of an Independent Front Suspension for Truck Tractors
Design and experimental validation stages of an independent front suspension (IFS) that is designed for truck tractors of articulated commercial vehicles are summarised. Firstly, the suspension geometry, which satisfies the required conditions of minimum deviation of camber angle and track width during wheel travel, is obtained within the given design volume by using Multibody Systems (MBS) and Design of Experiments (DOE) approaches. Subsequently, the kinetic analysis is carried out for the suspension system and the critical design loads that may act on the structural elements are determined. Taking these loads into account, the mechanical design of the suspension system elements is performed. The Finite Element Analysis (FEA) is applied to the complete suspension system for the chosen critical load conditions. Stress concentrated regions on the crucial system elements are determined and improvements are indicated, which result in the reduction of stress concentrations. In the last part of the study, prototyping and fatigue tests are carried out. Throughout bench tests, in which real service conditions are simulated, no failure of any sort is encountered. The final suspension system (pair) is 31% lighter than an equivalent rigid front axle in terms of load capacity.
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来源期刊
Mechanika
Mechanika 物理-力学
CiteScore
1.30
自引率
0.00%
发文量
50
审稿时长
3 months
期刊介绍: The journal is publishing scientific papers dealing with the following problems: Mechanics of Solid Bodies; Mechanics of Fluids and Gases; Dynamics of Mechanical Systems; Design and Optimization of Mechanical Systems; Mechanical Technologies.
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