Article(id=1200066395120694100, tenantId=1146029695717560320, journalId=1189918454225211397, issueId=1200066383540220163, articleNumber=null, orderNo=null, doi=10.20104/j.cnki.1674-6546.20220021, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1666022400000, revisedDateStr=2022-10-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1764047724751, onlineDateStr=2025-11-25, pubDate=1673712000000, pubDateStr=2023-01-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764047724751, onlineIssueDateStr=2025-11-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764047724751, creator=13701087609, updateTime=1764047724751, updator=13701087609, issue=Issue{id=1200066383540220163, tenantId=1146029695717560320, journalId=1189918454225211397, year='2023', volume='', issue='1', pageStart='1', pageEnd='48', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764047721991, creator=13701087609, updateTime=1764047799781, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200066709865464825, tenantId=1146029695717560320, journalId=1189918454225211397, issueId=1200066383540220163, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200066709865464826, tenantId=1146029695717560320, journalId=1189918454225211397, issueId=1200066383540220163, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=44, endPage=48, ext={EN=ArticleExt(id=1200066395477209967, articleId=1200066395120694100, tenantId=1146029695717560320, journalId=1189918454225211397, language=EN, title=Balance Optimization for Fatigue Durability and Torsional Stiffness of Torsion Spring in Automobile Sunroof Wind Deflector, columnId=null, journalTitle=Automotive Engineer, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to balance and optimize the fatigue durability and its own torsional stiffness of the torsion spring in the sunroof wind deflector, this paper analyzed the influence of the structural factors of the torsion spring on the fatigue durability by orthogonal test. The results show that the inner diameter of the torsion spring has the greatest influence on the fatigue durability, followed by the number of spiral coils and wire diameter, and the free angle of the torsion spring has little influence on the durability. The relationship between the number of durability cycles and the torsional stiffness of sunroof wind deflector torsion spring shows that there is no obvious relationship between the torsional stiffness of the torsional spring and fatigue durability. According to the influence of structural factors of torsion spring on fatigue durability, this paper proposed a balance optimization and improvement scheme for fatigue durability and torsional stiffness of sunroof wind deflector torsion spring, by increasing inner diameter of torsion spring, increasing the number of spiral coils and wire diameter. Bench durability and downward pressure test results show that the improved scheme can meet the fatigue durability requirements while increasing tension of wind deflector screen.
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为平衡优化天窗挡风网扭转弹簧疲劳耐久性和自身扭转刚度,利用正交试验分析了扭转弹簧结构因素对疲劳耐久性的影响程度,结果表明,扭转弹簧内径对疲劳耐久性影响最大,螺旋圈数和线径次之,扭转弹簧自由角度对耐久性几乎无影响。挡风网扭转弹簧耐久循环数与自身扭转刚度的关系曲线表明,扭转刚度与疲劳耐久性无明显关系。根据扭转弹簧结构因素对疲劳耐久性的影响规律,通过增大扭转弹簧内径、增加螺旋圈数、增大线径,提出了一种挡风网扭转弹簧疲劳耐久和自身扭转刚度平衡优化改进方案。台架耐久和下压力测试结果表明,该方案在提高网布张紧度的同时,疲劳耐久性满足要求。
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2019, 101., articleTitle=The Relationship between Microstructure, Stiffness and Compressive Fatigue Life of Equine Subchondral Bone, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1200114689964340205, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, xref=null, ext=[AuthorCompanyExt(id=1200114689989506032, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, companyId=1200114689964340205, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=SAIC Volkswagen Automobile Co., Ltd., Shanghai 201805), AuthorCompanyExt(id=1200114689997894641, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, companyId=1200114689964340205, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=上汽大众汽车有限公司, 上海 201805)])], figs=[ArticleFig(id=1200114692300566597, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=EN, label=null, caption=null, figureFileSmall=7dWRneOUHL9BVLTj/YKqvA==, figureFileBig=7B621+9JeJCejihhK+7HqQ==, tableContent=null), ArticleFig(id=1200114692376064071, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=CN, label=图1, caption=
挡风网结构及扭转弹簧断裂情况, figureFileSmall=7dWRneOUHL9BVLTj/YKqvA==, figureFileBig=7B621+9JeJCejihhK+7HqQ==, tableContent=null), ArticleFig(id=1200114692489310284, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=EN, label=null, caption=null, figureFileSmall=pr0rvg47OeXmECUnZPxCDg==, figureFileBig=6d++oP/9kfhFKn8Jh1uVag==, tableContent=null), ArticleFig(id=1200114692560613455, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=CN, label=图2, caption=
断口形貌及裂纹, figureFileSmall=pr0rvg47OeXmECUnZPxCDg==, figureFileBig=6d++oP/9kfhFKn8Jh1uVag==, tableContent=null), ArticleFig(id=1200114692648693842, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=EN, label=null, caption=null, figureFileSmall=ezlPISb88qAgrIteoHPxBQ==, figureFileBig=AJ8Buer0hg93+mjwgVl/Zw==, tableContent=null), ArticleFig(id=1200114692728385622, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=CN, label=图3, caption=
扭转弹簧结构参数, figureFileSmall=ezlPISb88qAgrIteoHPxBQ==, figureFileBig=AJ8Buer0hg93+mjwgVl/Zw==, tableContent=null), ArticleFig(id=1200114692803883098, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=EN, label=null, caption=null, figureFileSmall=9kcSHCfM5QR1aj5zp8CD6w==, figureFileBig=NeZKTi3JtMVvSiHbr09x6Q==, tableContent=null), ArticleFig(id=1200114692879380574, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=CN, label=图4, caption=
天窗耐久试验台架, figureFileSmall=9kcSHCfM5QR1aj5zp8CD6w==, figureFileBig=NeZKTi3JtMVvSiHbr09x6Q==, tableContent=null), ArticleFig(id=1200114692967460961, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=EN, label=null, caption=null, figureFileSmall=i62IicXByGrZOypjkrxwBA==, figureFileBig=ynuPALoqqG02acGonGz71A==, tableContent=null), ArticleFig(id=1200114693068124260, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=CN, label=图5, caption=
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9组扭转弹簧耐久循环数与自身刚度的关系曲线, figureFileSmall=+p31myNIINEmH+20r6OeJA==, figureFileBig=oFCvuOC5YXCgVHU/djGd2w==, tableContent=null), ArticleFig(id=1200114693336559724, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=EN, label=null, caption=null, figureFileSmall=HLApXFMWIGxSvIufKQMc4Q==, figureFileBig=kNaQ2XpBmJpHrZbWkBJhZw==, tableContent=null), ArticleFig(id=1200114693424640110, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=CN, label=图7, caption=
扭转弹簧下压力测试装置, figureFileSmall=HLApXFMWIGxSvIufKQMc4Q==, figureFileBig=kNaQ2XpBmJpHrZbWkBJhZw==, tableContent=null), ArticleFig(id=1200114693504331890, tenantId=1146029695717560320, journalId=1189918454225211397, articleId=1200066395120694100, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 内径A/mm | 线径B/mm | 螺旋圈数 C/圈 | 自由角度 D/(°) |
| 取值 | 8.3 | 2.2 | 2.5 | 100 |
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扭转弹簧优化前结构参数
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| 参数 | 内径A/mm | 线径B/mm | 螺旋圈数 C/圈 | 自由角度 D/(°) |
| 取值 | 8.3 | 2.2 | 2.5 | 100 |
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| 序号 | 内径A/mm | 线径B/mm | 螺旋圈数 C/圈 | 自由角度 D/(°) |
| 1 | 10.5 | 2.0 | 2.5 | 90 |
| 2 | 10.5 | 2.2 | 3.5 | 100 |
| 3 | 10.5 | 2.3 | 4.5 | 120 |
| 4 | 12.1 | 2.0 | 3.5 | 120 |
| 5 | 12.1 | 2.2 | 4.5 | 90 |
| 6 | 12.1 | 2.3 | 2.5 | 100 |
| 7 | 13.8 | 2.0 | 4.5 | 100 |
| 8 | 13.8 | 2.2 | 2.5 | 120 |
| 9 | 13.8 | 2.3 | 3.5 | 90 |
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四因素三水平正交试验表
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| 序号 | 内径A/mm | 线径B/mm | 螺旋圈数 C/圈 | 自由角度 D/(°) |
| 1 | 10.5 | 2.0 | 2.5 | 90 |
| 2 | 10.5 | 2.2 | 3.5 | 100 |
| 3 | 10.5 | 2.3 | 4.5 | 120 |
| 4 | 12.1 | 2.0 | 3.5 | 120 |
| 5 | 12.1 | 2.2 | 4.5 | 90 |
| 6 | 12.1 | 2.3 | 2.5 | 100 |
| 7 | 13.8 | 2.0 | 4.5 | 100 |
| 8 | 13.8 | 2.2 | 2.5 | 120 |
| 9 | 13.8 | 2.3 | 3.5 | 90 |
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| 序号 | 耐久试验循环次数 |
| 1号 | 2号 | 3号 | 平均值 |
| 1 | 7 365 | 7 056 | 9 138 | 7 853 |
| 2 | 7 380 | 7 560 | 7 450 | 7 463 |
| 3 | 8 050 | 7 730 | 7 980 | 7 920 |
| 4 | 7 458 | 8 988 | 10 440 | 8 962 |
| 5 | 8 385 | 7 967 | 8 116 | 8 156 |
| 6 | 3 166 | 3 571 | 4 300 | 3 679 |
| 7 | 16 388 | 15 872 | 16 129 | 16 129 |
| 8 | 10 500 | 10 446 | 10 218 | 10 388 |
| 9 | 11 914 | 11 870 | 12 096 | 11 960 |
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四因素三水平正交试验结果 循环
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| 序号 | 耐久试验循环次数 |
| 1号 | 2号 | 3号 | 平均值 |
| 1 | 7 365 | 7 056 | 9 138 | 7 853 |
| 2 | 7 380 | 7 560 | 7 450 | 7 463 |
| 3 | 8 050 | 7 730 | 7 980 | 7 920 |
| 4 | 7 458 | 8 988 | 10 440 | 8 962 |
| 5 | 8 385 | 7 967 | 8 116 | 8 156 |
| 6 | 3 166 | 3 571 | 4 300 | 3 679 |
| 7 | 16 388 | 15 872 | 16 129 | 16 129 |
| 8 | 10 500 | 10 446 | 10 218 | 10 388 |
| 9 | 11 914 | 11 870 | 12 096 | 11 960 |
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| 序号 | l1/mm | l2/mm | T′/N·mm·rad-1 |
| 1 | 92.15 | 86.82 | 774.08 |
| 2 | 92.03 | 89.29 | 923.52 |
| 3 | 90.07 | 87.79 | 941.46 |
| 4 | 90.86 | 87.84 | 594.43 |
| 5 | 88.27 | 87.35 | 733.52 |
| 6 | 87.96 | 86.79 | 1 267.37 |
| 7 | 85.54 | 85.22 | 470.54 |
| 8 | 87.74 | 85.11 | 1 002.83 |
| 9 | 85.40 | 84.28 | 970.28 |
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9组扭转弹簧扭臂长度及扭转刚度计算结果
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| 序号 | l1/mm | l2/mm | T′/N·mm·rad-1 |
| 1 | 92.15 | 86.82 | 774.08 |
| 2 | 92.03 | 89.29 | 923.52 |
| 3 | 90.07 | 87.79 | 941.46 |
| 4 | 90.86 | 87.84 | 594.43 |
| 5 | 88.27 | 87.35 | 733.52 |
| 6 | 87.96 | 86.79 | 1 267.37 |
| 7 | 85.54 | 85.22 | 470.54 |
| 8 | 87.74 | 85.11 | 1 002.83 |
| 9 | 85.40 | 84.28 | 970.28 |
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| 参数 | 内径A/mm | 线径B/mm | 螺旋圈数 C/圈 | 自由角度 D/(°) |
| 取值 | 13 | 3 | 4.5 | 100 |
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扭转弹簧优化后结构参数
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| 参数 | 内径A/mm | 线径B/mm | 螺旋圈数 C/圈 | 自由角度 D/(°) |
| 取值 | 13 | 3 | 4.5 | 100 |
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| 项目 | 1号 | 2号 |
| 优化前 | 64 | 65 |
| 优化后 | 80 | 80 |
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优化前、后扭转弹簧下压力结果 N
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| 项目 | 1号 | 2号 |
| 优化前 | 64 | 65 |
| 优化后 | 80 | 80 |
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