Article(id=1202254758598898562, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202254753599283653, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20220418, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1764569471262, onlineDateStr=2025-12-01, pubDate=1687190400000, pubDateStr=2023-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764569471262, onlineIssueDateStr=2025-12-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764569471262, creator=13701087609, updateTime=1764569471262, updator=13701087609, issue=Issue{id=1202254753599283653, tenantId=1146029695717560320, journalId=1189873562199433220, year='2023', volume='', issue='6', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764569470071, creator=13701087609, updateTime=1764576335369, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1202283548792287560, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202254753599283653, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1202283548792287561, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202254753599283653, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=16, endPage=24, ext={EN=ArticleExt(id=1202254758837973898, articleId=1202254758598898562, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Research on Improvement of the Dimension Matching Accuracy for Engine Hood Based on the MATLAB Optimization of Gas Spring’s Parameters, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In this paper, based on the poor dimension matching accuracy of engine hood caused by the deformation of gas springs acting on the hood, through the simulation analysis of CATIA three-dimensional virtual assembly, and using MATLAB to numerically optimize the installation parameters of gas springs, reasonable design parameters of gas spring were worked out, and then corresponding design changes were made, and the assembly effect on the real vehicle was verified, controlling the dimension matching accuracy of engine hood within the target range. For the design parameters’ change law of the engine hood gas springs, the following conclusions can be drawn: (1) the more front gas springs are installed on the engine hood, and the more backward gas springs are installed on the vehicle body, the larger the elastic force ratio of gas springs is; (2) the more front gas springs are installed on the engine hood, and the more front gas springs are installed on the vehicle body, the larger its travel S is; (3) in order to improve the deformation problem of the gas springs acting on engine hood, the gas springs should be installed as front as possible on the engine hood, on account of reducing the maximum compressive force.
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基于气动撑杆引起发动机舱盖变形而导致周边尺寸匹配精度不良的问题,通过CATIA三维虚拟装配模拟分析,利用MATLAB对气动撑杆安装参数进行数值优化计算,研究出合理的发动机舱盖气动撑杆设计参数,进行相应的设计变更,并进行实车装配效果验证,使发动机舱盖周边尺寸匹配精度控制在目标范围内。针对发动机舱盖气动撑杆设计参数的变化规律,可得出以下结论:气动撑杆安装位置越靠近发动机舱盖前部,越靠近车身后部,其弹力比a越大;气动撑杆安装位置越靠近发动机舱盖前部,越靠近车身前部,其行程S越大;在改善气动撑杆反力导致发动机舱盖变形问题上,应尽可能将撑杆安装在发动机舱盖内板的前部区域,以减小最大压缩力。
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林杰(1993—)男,助理工程师,硕士学位,研究方向为汽车尺寸工程设计、有限元仿真与力学分析。
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林杰(1993—)男,助理工程师,硕士学位,研究方向为汽车尺寸工程设计、有限元仿真与力学分析。
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林杰(1993—)男,助理工程师,硕士学位,研究方向为汽车尺寸工程设计、有限元仿真与力学分析。
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1 Dongfeng Honda Automobile Co., Ltd., Wuhan 430056), AuthorCompanyExt(id=1202254763523010579, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, companyId=1202254763502039057, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 东风本田汽车有限公司,武汉 430056)]), AuthorCompany(id=1202254763741114391, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, xref=2, ext=[AuthorCompanyExt(id=1202254763745308696, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, companyId=1202254763741114391, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 东风汽车公司技术中心,武汉 430058)])], figs=[ArticleFig(id=1202254767394353254, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, language=EN, label=null, caption=null, figureFileSmall=TnvHQnyksRXzMJsp+L2liQ==, figureFileBig=xb6PT2UcjA66qgW+35ttpg==, tableContent=null), ArticleFig(id=1202254767478239337, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, language=CN, label=图1, caption=
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优化后气动撑杆对发动机舱盖变形结果云图, figureFileSmall=sHSoqeL8Ys6PGWXhXcPohQ==, figureFileBig=jG2xf5fZ1ZWbbxpZwddhmg==, tableContent=null), ArticleFig(id=1202254770703659154, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, language=EN, label=null, caption=null, figureFileSmall=IBIUgensKPwVP8CFVpQXfA==, figureFileBig=5SfeVfHxeccOumLPQScrKw==, tableContent=null), ArticleFig(id=1202254770766573715, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, language=CN, label=图15, caption=
优化前后E线处结点发变形量随X坐标变化, figureFileSmall=IBIUgensKPwVP8CFVpQXfA==, figureFileBig=5SfeVfHxeccOumLPQScrKw==, tableContent=null), ArticleFig(id=1202254770837876884, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 测量点位 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 间隙 | 右侧 | 5.6 | 5.9 | 6.2 | 5.9 | 5.7 | 5.6 | 5.4 | 4.9 | 4.6 | 4.3 | 3.6 | 3.1 |
| 左侧 | 6.1 | 5.9 | 5.8 | 5.8 | 6.0 | 5.4 | 5.6 | 5.2 | 4.8 | 3.9 | 3.6 | 3.6 |
| 设定基准 | 3.5±0.5 |
| 面差 | 右侧 | -3.0 | -2.8 | -2.2 | -2.3 | -2.9 | -3.1 | -3.6 | -4.5 | -5.3 | -2.6 | -2.4 | -1.9 |
| 左侧 | -2.5 | -2.6 | -2.5 | -2.4 | -2.7 | -3.2 | -3.9 | -4.6 | -3.8 | -2.9 | -2.7 | -2.3 |
| 设定基准 | 0~1(翼子板凸) |
| 判定(OK/NG) | NG | NG | NG | NG | NG | NG | NG | NG | NG | NG | NG | NG |
), ArticleFig(id=1202254770913374357, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, language=CN, label=表1, caption=
试制1期10台份发动机舱盖与翼子板配合处DTS成绩表(平均值) mm
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| 测量点位 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 间隙 | 右侧 | 5.6 | 5.9 | 6.2 | 5.9 | 5.7 | 5.6 | 5.4 | 4.9 | 4.6 | 4.3 | 3.6 | 3.1 |
| 左侧 | 6.1 | 5.9 | 5.8 | 5.8 | 6.0 | 5.4 | 5.6 | 5.2 | 4.8 | 3.9 | 3.6 | 3.6 |
| 设定基准 | 3.5±0.5 |
| 面差 | 右侧 | -3.0 | -2.8 | -2.2 | -2.3 | -2.9 | -3.1 | -3.6 | -4.5 | -5.3 | -2.6 | -2.4 | -1.9 |
| 左侧 | -2.5 | -2.6 | -2.5 | -2.4 | -2.7 | -3.2 | -3.9 | -4.6 | -3.8 | -2.9 | -2.7 | -2.3 |
| 设定基准 | 0~1(翼子板凸) |
| 判定(OK/NG) | NG | NG | NG | NG | NG | NG | NG | NG | NG | NG | NG | NG |
), ArticleFig(id=1202254770993066134, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 参数名称 | 代号 | 数 值 | 序号 | 参数名称 | 代号 | 数值 |
| 1 | 公称力a/N | Fa | 240 | 12 | 伸展长度 /mm | L | 535 |
| 2 | 公称力b/N | Fb | 344 | 13 | 杆端长度 /mm | L1 | 21 |
| 3 | 最小伸展力 /N | F1 | 213 | 14 | 缸筒端长度 /mm | L2 | 21 |
| 4 | 最大伸展力 /N | F2 | 317 | 15 | 气腔长度 /mm | L3 | 228 |
| 5 | 最小压缩力 /N | F3 | 267 | 16 | 导向长度 /mm | H | 30 |
| 6 | 最大压缩力 /N | F4 | 371 | 17 | 缸筒长度 /mm | B | 293 |
| 7 | 弹力比率 | a | 1.43 | 18 | 活塞杆直径 /mm | d | 10 |
| 8 | 气体压强 /MPa | P | 3.06 | 19 | 缸筒内径 /mm | D1 | 20 |
| 9 | 设计行程 /mm | S | 199 | 20 | 缸筒外径 /mm | D2 | 22 |
| 10 | 工作行程 /mm | S1 | 184 | 21 | 缸筒壁厚 /mm | d | 1 |
| 11 | 安全行程 /mm | S2 | 15 | | | | |
), ArticleFig(id=1202254771068563607, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, language=CN, label=表2, caption=
优化后气动撑杆参数
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| 序号 | 参数名称 | 代号 | 数 值 | 序号 | 参数名称 | 代号 | 数值 |
| 1 | 公称力a/N | Fa | 240 | 12 | 伸展长度 /mm | L | 535 |
| 2 | 公称力b/N | Fb | 344 | 13 | 杆端长度 /mm | L1 | 21 |
| 3 | 最小伸展力 /N | F1 | 213 | 14 | 缸筒端长度 /mm | L2 | 21 |
| 4 | 最大伸展力 /N | F2 | 317 | 15 | 气腔长度 /mm | L3 | 228 |
| 5 | 最小压缩力 /N | F3 | 267 | 16 | 导向长度 /mm | H | 30 |
| 6 | 最大压缩力 /N | F4 | 371 | 17 | 缸筒长度 /mm | B | 293 |
| 7 | 弹力比率 | a | 1.43 | 18 | 活塞杆直径 /mm | d | 10 |
| 8 | 气体压强 /MPa | P | 3.06 | 19 | 缸筒内径 /mm | D1 | 20 |
| 9 | 设计行程 /mm | S | 199 | 20 | 缸筒外径 /mm | D2 | 22 |
| 10 | 工作行程 /mm | S1 | 184 | 21 | 缸筒壁厚 /mm | d | 1 |
| 11 | 安全行程 /mm | S2 | 15 | | | | |
), ArticleFig(id=1202254771152449688, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
测量 点位 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 间隙 | 右侧 | 3.2 | 3.4 | 3.5 | 3.2 | 3.5 | 3.4 | 3.4 | 3.8 | 3.6 | 3.5 | 3.5 | 3.3 |
| 左侧 | 3.4 | 3.1 | 3.2 | 3.6 | 3.6 | 3.7 | 3.8 | 3.7 | 3.8 | 3.4 | 3.4 | 3.2 |
设定 基准 | 3.5±0.5 |
| 面差 | 右侧 | 0.2 | 0.6 | 0.6 | 0.7 | 0.6 | 0.6 | 0.3 | 0.0 | 0.2 | 0.3 | 0.4 | 0.4 |
| 左侧 | 0.3 | 0.4 | 0.8 | 0.9 | 0.8 | 0.5 | 0.6 | 0.3 | 0.1 | 0.1 | 0.2 | 0.5 |
设定 基准 | 0~1(翼子板凸) |
| 判定 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 |
), ArticleFig(id=1202254771219558553, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254758598898562, language=CN, label=表3, caption=
试制3期20台份发动机舱盖与翼子板配合处DTS成绩表(平均值) mm
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测量 点位 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 间隙 | 右侧 | 3.2 | 3.4 | 3.5 | 3.2 | 3.5 | 3.4 | 3.4 | 3.8 | 3.6 | 3.5 | 3.5 | 3.3 |
| 左侧 | 3.4 | 3.1 | 3.2 | 3.6 | 3.6 | 3.7 | 3.8 | 3.7 | 3.8 | 3.4 | 3.4 | 3.2 |
设定 基准 | 3.5±0.5 |
| 面差 | 右侧 | 0.2 | 0.6 | 0.6 | 0.7 | 0.6 | 0.6 | 0.3 | 0.0 | 0.2 | 0.3 | 0.4 | 0.4 |
| 左侧 | 0.3 | 0.4 | 0.8 | 0.9 | 0.8 | 0.5 | 0.6 | 0.3 | 0.1 | 0.1 | 0.2 | 0.5 |
设定 基准 | 0~1(翼子板凸) |
| 判定 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 | 合格 |
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