汽車技術(shù)雜志xxxx年第2期目次及摘要-中國汽車工程-資料下載頁
2025-06-17 20:27本頁面
【正文】 most suitable for the building of crashworthiness approximation model. With the optimized frontbody structure design based on the optimal approximation model obtained, a reduction of or % of the body 14 / 17structure weight can be realized while crashworthiness is not promised.Key words: Body。 Frontbody structure。 Automotive lightweight。 Experimental design method。 Support vector regression.虛擬試車場技術(shù)預(yù)報(bào)載貨汽車底盤耐久性研究 曹正林 程穩(wěn)正 霍福祥 魏德永（中國第一汽車集團(tuán)公司技術(shù)中心）【摘要】針對(duì)載貨汽車開發(fā)過程中傳統(tǒng)耐久性試驗(yàn)周期長、費(fèi)用高的缺點(diǎn)，以某耐久性試車場道路為輸入條件，應(yīng)用虛擬試車場技術(shù)（VPG）建立了整車虛擬仿真模型，模擬分析載貨汽車底盤動(dòng)應(yīng)力響應(yīng)，并與相同路況下的實(shí)車試驗(yàn)測試結(jié)果進(jìn)行了對(duì)比研究。結(jié)果表明，測試結(jié)果與 VPG 模擬結(jié)果在時(shí)域與頻域上的趨勢基本一致。在此基礎(chǔ)上，運(yùn)用疲勞分析軟件 實(shí)現(xiàn)了對(duì)載貨汽車底盤耐久性的有效預(yù)報(bào)。主題詞：載貨汽車 底盤 耐久性 虛擬試車場 Study on Truck Chassis Durability Using Virtual Proving GroundCao Zhenglin Cheng Wenzheng Huo Fuxiang Wei Deyong(China FAW Group Corporation Ramp。D Center)【Abstract】To address the disadvantages of truck development such as prolonged durability test cycle and high development expense, we have used virtual proving ground (VPG) technique to establish a virtual vehicle simulation model with road of a durability proving ground as input conditions to simulate and analyze dynamic stress response of a truck chassis and pared it with test results of real vehicle test under the same road conditions. The results show that the test results are basically identical with VPG simulation results in the time domain and 15 / 17frequency domain trend. On this basis, fatigue analysis is applied to realize effective predication of truck chassis durability.Key words: Truck。 Chassis。 Durability。 Virtual proving ground汽車差速器殼斷裂失效分析黃平輝 1 余顯忠 1，2 揭鋼 1 萬雄飛 1（ 1 江西江鈴底盤股份有限公司；2 華中科技大學(xué) 數(shù)字制造裝備與技術(shù)國家重點(diǎn)實(shí)驗(yàn)室） 【摘要】針對(duì)某汽車驅(qū)動(dòng)橋差速器殼體斷裂情況，首先利用材料試驗(yàn)檢驗(yàn)分析了該驅(qū)動(dòng)橋差速器殼體所采用球墨鑄鐵材料的金相組織和鑄造等級(jí)，然后根據(jù)《Q/T 5431999 汽車驅(qū)動(dòng)橋臺(tái)架試驗(yàn)評(píng)價(jià)指標(biāo)》試驗(yàn)標(biāo)準(zhǔn)，采用有限元分析方法建立了該差速器殼體的有限元模型，利用有限元分析軟件ABAQUS進(jìn)行差速器殼體的靜強(qiáng)度分析，得到了該差速器殼的應(yīng)力分布情況和應(yīng)力集中部位。通過與樣件失效部位對(duì)比分析，確定了該差速器殼體斷裂失效的原因，為改進(jìn)設(shè)計(jì)提供了理論依據(jù)。主題詞：差速器 殼體 失效 有限元Breaking Failure Analysis of the Automobile Differential HousingHuang Pinghui1 Yu Xianzhong1，2 Jie Gang1 Wan Xiongfei 1(1. Jiangxi JiangLin Chassis Co., LTD。 2. State Key Laboratory of Digital Manufacturing Equipment amp。 Technology, Huazhong University of Science and Technology)【Abstract】In view of the breaking of differential housing of driving axle, the metallographic structure ponent and the foundry grade of the ductile cast iron adopted in differential housing of the driving axle are analyzed by the material test. According to the standard of ‘Q/T 5431999 Drive Axle Bench Test Evaluation Criteria’, a finite element model is then built with finiteelement analysis method, and the static strength analysis is made by ABAQUS, a software of finiteelement analysis and obtain some information on stress distribution and stress 16 / 17concentration of the differential housing. By the parison with the failure location of the sample, the cause of breaking of differential housing is defined, providing theoretical basis for the next step design.Key words: Differential。 Housing。 Failure。 Finite element基于 ABAQUS 的萬向節(jié)淬火應(yīng)力有限元分析與優(yōu)化設(shè)計(jì)李燕 王玲 常勇(河南農(nóng)業(yè)大學(xué))【摘要】利用有限元分析軟件對(duì)萬向節(jié)球籠殼體的最大應(yīng)力位置和應(yīng)力分布規(guī)律、工件表面淬硬層殘余應(yīng)力隨溫度的變化、工件表面淬硬層殘余應(yīng)力對(duì)萬向節(jié)球籠殼體工作應(yīng)力的影響進(jìn)行了分析。在分析的基礎(chǔ)上，提出了萬向節(jié)的設(shè)計(jì)原則。通過優(yōu)化殼體的厚度等參數(shù)和淬硬層厚度，減輕了殼體的質(zhì)量，提高了殼體的性能。主題詞：萬向節(jié) 應(yīng)力 有限元 優(yōu)化設(shè)計(jì)Finite Element Analysis and Optimal Design of Quench Stress of Universal Joint Based on ABAQUSLi Yan Wang Ling Chang Yong(Henan Agricultural University)【Abstract】With FE analysis software, location with the maximum stress and stress distribution rule of universal joint ball cage, the residual stress of the quenchhardened case of the workpiece change with temperature as well as influence of the residual stress on working stress of universal joint ball cage are analyzed. On the basis of the analysis, the design principle for universal joint is presented. By optimizing thickness of ball cage housing and quenchhardened 17 / 17case, housing mass is reduced and performance is improved.Key words: Universal joint。 Stress。 Finite element。 Optimal analysis
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