Article(id=1241686763584934019, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241686759470329942, articleNumber=null, orderNo=null, doi=10.16579/j.issn.1001.9669.2025.09.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1751990400000, receivedDateStr=2025-07-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773970793863, onlineDateStr=2026-03-20, pubDate=1757865600000, pubDateStr=2025-09-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773970793863, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773970793863, creator=13701087609, updateTime=1773970793863, updator=13701087609, issue=Issue{id=1241686759470329942, tenantId=1146029695717560320, journalId=1227999626482147330, year='2025', volume='47', issue='9', pageStart='1', pageEnd='249', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773970792882, creator=13701087609, updateTime=1773970911747, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241687258093375901, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241686759470329942, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241687258093375902, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241686759470329942, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=122, endPage=129, ext={EN=ArticleExt(id=1241686763987587212, articleId=1241686763584934019, tenantId=1146029695717560320, journalId=1227999626482147330, language=EN, title=Fatigue life analysis and prediction of planetary gear bearings in electromechanical composite transmission systems, columnId=null, journalTitle=Journal of Mechanical Strength, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the problems of unclear internal load evolution law of the electromechanical composite transmission system for high-speed tracked vehicles and the lack of fatigue life prediction method for planetary gear bearings,a dynamic model of planetary gear bearings in the electromechanical composite transmission system was established to obtain the distribution law of contact loads on planetary gear bearings. A fatigue life prediction method based on the dynamic load characteristics of planetary gear bearings was proposed, which provides certain guiding significance for the optimization and design of the planetary mechanism in the electromechanical composite transmission system. Considering the effects of multi-row coupling effect of the electromechanical composite transmission system, gear time-varying meshing stiffness excitation,and nonlinear support stiffness excitation of planetary gear bearings, a dynamic model of the electromechanical composite transmission system was established using Simpack to obtain the load-bearing conditions of planetary gear bearings.Furthermore, a dynamic model of planetary gear bearings was established using the lumped mass method to analyze the evolution law of contact loads on planetary gear bearings. Then, a fatigue life analysis and prediction model for planetary gear bearings was established using the L-P formula to analyze the variation law of fatigue life of cylindrical roller bearings for planetary gears under different working conditions. The results show that at high rotational speeds, the centrifugal force of the planetary gear bearings during revolution has a significant impact on the contact loads and fatigue life of the planetary gear bearings. At lower rotational speeds, the service life of the planetary gear bearings in the reduction gear increases with the rotational speed. At higher rotational speeds, the service life of the planetary gear bearings in the reduction gear decreases with the increase in rotational speed. At high rotational speeds, measures such as profile modification of the rolling elements of planetary gear bearings can be taken to extend the service life according to the life requirements of the electromechanical composite transmission system.
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针对高速履带车辆机电复合传动系统内部载荷演化规律不明、行星轮轴承疲劳寿命预测方法缺乏的问题,建立机电复合传动系统行星轮轴承动力学模型,获取行星轮轴承接触载荷分布规律,提出了基于行星轮轴承动载特性的疲劳寿命预测方法,为机电复合传动系统行星机构的优化和设计提供一定的指导作用。考虑机电复合传动系统多排耦合效应、齿轮时变啮合刚度激励以及行星轮轴承非线性支撑刚度激励影响,采用Simpack软件建立了机电复合传动系统动力学模型,获得了行星轮轴承承载情况,进一步采用集中质量法建立行星轮轴承动力学模型,分析行星轮轴承接触载荷演化规律,进而采用Lundberg-Palmygren(L-P)公式建立了行星轮轴承疲劳寿命分析与预测模型,分析了不同工况下行星轮圆柱滚子轴承疲劳寿命变化规律。结果表明,在高转速时,行星轮轴承公转离心力对行星轮轴承接触载荷和疲劳寿命有显著影响;在转速较低时,减速排行星轮轴承寿命随着转速的增加而增大;在转速较高时,减速排行星轮轴承寿命随着转速的增加而减小;在高转速时,根据机电复合传动系统寿命要求,可采取行星轮轴承滚动体修形等措施延寿。
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盖江涛,男,1981年生,山东莱阳人,博士,研究员;主要研究方向为坦克装甲车辆传动系统设计;E-mail:jiangtaogai@163.com。
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盖江涛,男,1981年生,山东莱阳人,博士,研究员;主要研究方向为坦克装甲车辆传动系统设计;E-mail:jiangtaogai@163.com。
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57(23):116-123.(In Chinese), articleTitle=A failure analysis of the support bearings of an aero engine in a bench test with multiple supports, refAbstract=null)], funds=[Fund(id=1241810820380823695, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, awardId=51230512, language=EN, fundingSource=National Natural Science Foundation of China(51230512), fundOrder=null, country=null), Fund(id=1241810820485681297, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, awardId=51230512, language=CN, fundingSource=国家自然科学基金项目(51230512), fundOrder=null, country=null), Fund(id=1241810820603121814, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, awardId=null, language=EN, fundingSource=Vehicle Propulsion Special Project of SASTIND, fundOrder=null, country=null), Fund(id=1241810820707979417, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, awardId=null, language=CN, fundingSource=国防科工局车用动力专项, fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241810812877214676, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, xref=1., ext=[AuthorCompanyExt(id=1241810812885603284, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, companyId=1241810812877214676, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Modeling process for fatigue life prediction of planetary gear bearings, figureFileSmall=cKwfIfjsnaFDmZtYEkC4VA==, figureFileBig=rS4v0izdHD9h8MyiKX1H/Q==, tableContent=null), ArticleFig(id=1241810816601755714, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=图1, caption=
行星轮轴承疲劳寿命预测建模流程, figureFileSmall=cKwfIfjsnaFDmZtYEkC4VA==, figureFileBig=rS4v0izdHD9h8MyiKX1H/Q==, tableContent=null), ArticleFig(id=1241810816715001926, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Fig.2, caption=
Multi-body dynamics simulation model of the electromechanical composite transmission system, figureFileSmall=uuti3NKntVKz7mo3zUMfog==, figureFileBig=xn/nOJKf3u06wtnhAwfV6Q==, tableContent=null), ArticleFig(id=1241810816803082313, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=图2, caption=
机电复合传动系统多体动力学仿真模型, figureFileSmall=uuti3NKntVKz7mo3zUMfog==, figureFileBig=xn/nOJKf3u06wtnhAwfV6Q==, tableContent=null), ArticleFig(id=1241810816891162701, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Fig.3, caption=
Dynamic model of planetary gear bearing, figureFileSmall=5iVz860hSnLS9orow1/Reg==, figureFileBig=wvqHr+sldp4dhW77Qv4WDg==, tableContent=null), ArticleFig(id=1241810816983437390, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=图3, caption=
行星轮轴承动力学模型, figureFileSmall=5iVz860hSnLS9orow1/Reg==, figureFileBig=wvqHr+sldp4dhW77Qv4WDg==, tableContent=null), ArticleFig(id=1241810817054740561, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Fig.4, caption=
Schematic diagram of centrifugal force on the planetary gear bearing roller, figureFileSmall=NWJrX+CFCtSxwxmYJSjWSw==, figureFileBig=h4Ny/3Y2gpEjE68PtonDzQ==, tableContent=null), ArticleFig(id=1241810817163792468, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=图4, caption=
行星轮轴承滚子离心力示意图, figureFileSmall=NWJrX+CFCtSxwxmYJSjWSw==, figureFileBig=h4Ny/3Y2gpEjE68PtonDzQ==, tableContent=null), ArticleFig(id=1241810817264455768, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Fig.5, caption=
Schematic diagram of centrifugal force on the planetary gear bearing cage, figureFileSmall=EdsMVVhTBSJuoZfUWgL/EA==, figureFileBig=1R5IudAznRX9u7IDtgO5NQ==, tableContent=null), ArticleFig(id=1241810817335758938, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=图5, caption=
行星轮滚子轴承保持架离心力示意图, figureFileSmall=EdsMVVhTBSJuoZfUWgL/EA==, figureFileBig=1R5IudAznRX9u7IDtgO5NQ==, tableContent=null), ArticleFig(id=1241810817428033630, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Fig.6, caption=
Planet gear vibration acceleration of reducer planetary gear set when input speed is 1 000 r/min, figureFileSmall=QhkaHgeYP68kt5ms02V7qQ==, figureFileBig=72XwmqBh2FkV89w/VtyBYA==, tableContent=null), ArticleFig(id=1241810817516114015, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=图6, caption=
输入转速为1 000 r/min时减速排行星轮振动加速度, figureFileSmall=QhkaHgeYP68kt5ms02V7qQ==, figureFileBig=72XwmqBh2FkV89w/VtyBYA==, tableContent=null), ArticleFig(id=1241810817625165923, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Fig.7, caption=
Planet vibration acceleration statistical characteristic values of reducer planetary gear set under different input speed, figureFileSmall=cCcyH/doW2ANagbK0hvPtA==, figureFileBig=ouBpCYi/W2yqMakBXasTxg==, tableContent=null), ArticleFig(id=1241810817725829223, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=图7, caption=
不同输入转速下减速排行星轮振动加速度统计特征值, figureFileSmall=cCcyH/doW2ANagbK0hvPtA==, figureFileBig=ouBpCYi/W2yqMakBXasTxg==, tableContent=null), ArticleFig(id=1241810817822298218, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Fig.8, caption=
Planetary gear bearing contact load of reducer planetary gear set when input speed is 1 000 r/min, figureFileSmall=xYzqgHWjnoILXyYt8uaM+g==, figureFileBig=AspDg07jpU6zH5KOv24WVA==, tableContent=null), ArticleFig(id=1241810817914572911, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=图8, caption=
输入转速为1 000 r/min时减速排行星轮轴承接触载荷, figureFileSmall=xYzqgHWjnoILXyYt8uaM+g==, figureFileBig=AspDg07jpU6zH5KOv24WVA==, tableContent=null), ArticleFig(id=1241810818061373552, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Fig.9, caption=
Planetary gear bearing contact force statistical characteristic values of reducer planetary gear set under different input speed, figureFileSmall=+Ki51/QBz66uJ/a9Yrjw9Q==, figureFileBig=S0rCzTSlyO0RBfXkZ9w2fg==, tableContent=null), ArticleFig(id=1241810818157842547, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=图9, caption=
不同输入转速下减速排行星轮轴承接触载荷统计特征值, figureFileSmall=+Ki51/QBz66uJ/a9Yrjw9Q==, figureFileBig=S0rCzTSlyO0RBfXkZ9w2fg==, tableContent=null), ArticleFig(id=1241810818250117239, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Fig.10, caption=
Planetary gear bearing fatigue life of reducer planetary gear set under different input speed, figureFileSmall=6CuH/FTyaex7r9sRDf50+A==, figureFileBig=m4bC+/S8BjZrubIsXPVJrA==, tableContent=null), ArticleFig(id=1241810818329809018, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=图10, caption=
不同输入转速下减速排行星轮轴承疲劳寿命, figureFileSmall=6CuH/FTyaex7r9sRDf50+A==, figureFileBig=m4bC+/S8BjZrubIsXPVJrA==, tableContent=null), ArticleFig(id=1241810818396917884, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Tab.1, caption=
Gear parameter table of electromechanical compound transmission system
, figureFileSmall=null, figureFileBig=null, tableContent=
参数 Parameters | 减速排 Reduction planetary gear set | 耦合排 Coupling planetary gear set | 变速排 Transmission planetary gear set |
|---|
太阳轮齿数 Sun gear tooth number Zt | 37 | 30 | 23 |
齿圈齿数 Ring gear tooth number Zq | 79 | 66 | 57 |
行星轮齿数 Planet gear tooth number Zx | 22 | 19 | 18 |
行星轮数量 Planet gear number Np | 4 | 4 | 4 |
齿轮模数 Gear module m/mm | 3 | 4 | 4 |
分度圆压力角α0/(°) Pitch circle pressure angle | 20 | 20 | 20 |
齿顶高系数 Addendum coefficient h* | 1.0 | 1.0 | 1.0 |
径向间隙系数 Radial clearance coefficient c* | 0.25 | 0.25 | 0.25 |
齿根圆角半径系数 Root fillet radius coefficient ρf | 0.38 | 0.38 | 0.38 |
变位系数 Modification coefficient | Xt | 0.5 | 0 | 0 |
| Xq | 2.618 2 | 2.337 1 | 3.058 1 |
| Xx | 0.414 6 | 5.361 | 0.842 5 |
| 啮合齿宽Mesh tooth width b/mm | 28 | 32 | 40 |
), ArticleFig(id=1241810818472415359, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=表1, caption=
机电复合传动系统齿轮参数表
, figureFileSmall=null, figureFileBig=null, tableContent=
参数 Parameters | 减速排 Reduction planetary gear set | 耦合排 Coupling planetary gear set | 变速排 Transmission planetary gear set |
|---|
太阳轮齿数 Sun gear tooth number Zt | 37 | 30 | 23 |
齿圈齿数 Ring gear tooth number Zq | 79 | 66 | 57 |
行星轮齿数 Planet gear tooth number Zx | 22 | 19 | 18 |
行星轮数量 Planet gear number Np | 4 | 4 | 4 |
齿轮模数 Gear module m/mm | 3 | 4 | 4 |
分度圆压力角α0/(°) Pitch circle pressure angle | 20 | 20 | 20 |
齿顶高系数 Addendum coefficient h* | 1.0 | 1.0 | 1.0 |
径向间隙系数 Radial clearance coefficient c* | 0.25 | 0.25 | 0.25 |
齿根圆角半径系数 Root fillet radius coefficient ρf | 0.38 | 0.38 | 0.38 |
变位系数 Modification coefficient | Xt | 0.5 | 0 | 0 |
| Xq | 2.618 2 | 2.337 1 | 3.058 1 |
| Xx | 0.414 6 | 5.361 | 0.842 5 |
| 啮合齿宽Mesh tooth width b/mm | 28 | 32 | 40 |
), ArticleFig(id=1241810818598244482, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=EN, label=Tab.2, caption=
Parameter table of planetary gear cylindrical roller bearings
, figureFileSmall=null, figureFileBig=null, tableContent=
参数 Parameters | 减速排行星轮轴承 Planetary bearing in reduction planetary gear set | 耦合排行星轮轴承 Planetary bearing in coupling planetary gear set |
|---|
| 内径Inner diameter/mm | 25 | 25 |
| 外径Outer diameter/mm | 47 | 52 |
| 厚度Width/mm | 11.9 | 14.88 |
内滚道直径 Inner ring diameter/mm | 30.4 | 31.42 |
外滚道直径 Outer ring diameter/mm | 40.88 | 46.06 |
| 节圆直径Pitch diameter/mm | 35.64 | 38.74 |
| 滚子数Roller number | 15 | 12 |
| 滚子直径Roller diameter/mm | 5.24 | 7.32 |
| 滚子长度Roller length/mm | 5.7 | 8.78 |
保持架内径 Cage inner diameter/mm | 33.44 | 36.48 |
保持架外径 Cage outer diameter/mm | 38.54 | 40.96 |
引导面直径 Cage guide diameter/mm | 38.88 | 43.92 |
径向游隙 Radial clearance/μm | 37 | 38 |
), ArticleFig(id=1241810818673741958, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686763584934019, language=CN, label=表2, caption=
行星轮圆柱滚子轴承参数表
, figureFileSmall=null, figureFileBig=null, tableContent=
参数 Parameters | 减速排行星轮轴承 Planetary bearing in reduction planetary gear set | 耦合排行星轮轴承 Planetary bearing in coupling planetary gear set |
|---|
| 内径Inner diameter/mm | 25 | 25 |
| 外径Outer diameter/mm | 47 | 52 |
| 厚度Width/mm | 11.9 | 14.88 |
内滚道直径 Inner ring diameter/mm | 30.4 | 31.42 |
外滚道直径 Outer ring diameter/mm | 40.88 | 46.06 |
| 节圆直径Pitch diameter/mm | 35.64 | 38.74 |
| 滚子数Roller number | 15 | 12 |
| 滚子直径Roller diameter/mm | 5.24 | 7.32 |
| 滚子长度Roller length/mm | 5.7 | 8.78 |
保持架内径 Cage inner diameter/mm | 33.44 | 36.48 |
保持架外径 Cage outer diameter/mm | 38.54 | 40.96 |
引导面直径 Cage guide diameter/mm | 38.88 | 43.92 |
径向游隙 Radial clearance/μm | 37 | 38 |
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