基于有限元分析的车载探照灯支架设计研究  

Research on the Design of Vehicle Searchlight Bracket Based on Finite Element Analysis

作　　者：丁光伟 Ding Guangwei(Tongfang Weishi Technology Co.,Ltd.,Beijing 100080,CHN)

机构地区：[1]同方威视技术股份有限公司,北京100080

出　　处：《模具制造》2025年第4期207-209,212,共4页Die & Mould Manufacture

摘　　要：有限元分析基于数值分析,通过计算机模拟,能够详细分析产品受力状态下的应力分布、变形情况及整体稳定性。分析过程中,首先要对支架进行几何建模,并利用有限元软件对模型进行网格划分。其次,根据实际的装配和工作环境,对模型施加相应的约束条件和载荷。这些条件通常包括支架与车身或其他部件的连接方式、探照灯的重量及其产生的动态载荷等。通过有限元分析,可以准确地计算出支架在受力状态下的应力分布和变形量,从而评估其刚度和强度是否满足设计要求。如果发现支架的某些部位存在应力集中或变形过大的问题,可以对设计进行优化,如增加材料厚度、改变结构形状或增加加强筋等。Finite element analysis is based on numerical analysis,and through computer simulation,it can analyze in detail the stress distribution,deformation,and overall stability of the product under stress state.In the analysis process,the first step is to perform geometric modeling on the bracket and use finite element software to mesh the model.Next,apply corresponding constraints and loads to the model based on the actual assembly and working environment.These conditions usually include the connection method between the bracket and the body or other components,the weight of the searchlight and the dynamic load it generates,etc.Through finite element analysis,the stress distribution and deformation of the bracket under stress can be accurately calculated,thereby evaluating whether its stiffness and strength meet the design requirements.If stress concentration or excessive deformation is found in certain parts of the bracket,the design can be optimized,such as increasing material thickness,changing structural shape,or adding reinforcing ribs.

关 键 词：有限元 车载支架 网格划分 应力分布 

分 类 号：U469.75[机械工程—车辆工程]