Article(id=1148011779126456523, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298830018954160, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20240410, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1706025600000, receivedDateStr=2024-01-24, revisedDate=1714320000000, revisedDateStr=2024-04-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1751636937171, onlineDateStr=2025-07-04, pubDate=1724515200000, pubDateStr=2024-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751636937171, onlineIssueDateStr=2025-07-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751636937171, creator=13701087609, updateTime=1751636937171, updator=13701087609, issue=Issue{id=1149298830018954160, tenantId=1146029695717560320, journalId=1146119989267898375, year='2024', volume='47', issue='4', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751943794016, creator=13701087609, updateTime=1754895900149, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1161680860630569001, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298830018954160, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1161680860630569002, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298830018954160, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=57, endPage=63, ext={EN=ArticleExt(id=1148011779369726171, articleId=1148011779126456523, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Mechanical Properties' Simulation Analysis of a Tower Slewing Platform, columnId=1154067058611446771, journalTitle=Missiles and Space Vehicles, columnName=Launch Support, runingTitle=null, highlight=null, articleAbstract=
To study the safety of a tower slewing platform structure, a three dimensional numerical model is established with actual sizes and operating conditions. The structural force, pressure margin of hydraulic system with different wind loads, and the influence of lift platforms’ amount are researched which are concerned closely in use. In working condition, the maximum stress of structure is ${223.98}\mathrm{{MPa}}$, and the structure safety factor is 1.58 . The pressure margin of hydraulic system is calculated with the worst wind direction and the maximum windward area. When the platform is opened with permitted wind speed, the hydraulic system pressure can not be lower than ${5.40}\mathrm{{MPa}}$, and the pressure margin is 2.96. The structure safety factor is 1.35 when the number of lift platforms is 9. According to the results of simulating calculation, the security of the slewing platform can be confirmed. The simulating model can provide a reference for the slewing platform’s application.
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为研究某塔架回转平台结构的安全性,按照实际尺寸和工况建立了回转平台的三维数值模型,仿真分析了结构的受力情况、不同风速下液压系统的压力裕度、升降平台数量的影响三方面与实际应用密切相关的问题。应用工况下,结构最大应力为223.98MPa,安全系数${n}_{\mathrm{s}}$为1.58。按最不利的风载方向和迎风面积计算,许用风速下打开平台时,液压系统至少需要${5.40}\mathrm{{MPa}}$的压力,压力裕度为2.96。当升降平台数量达到理论最大值9层时,${n}_{\mathrm{s}}$为1.35,满足要求。计算结果验证了回转平台主体结构的安全性,可以为回转平台的使用提供参考。
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李利群(1971—),男,总师,主要研究方向为航天测试发射。
黄凯(1987—),男,博士,工程师,主要研究方向为非标准机械设备。
相有桓(1981—),男,高级工程师,主要研究方向为地面设备。
刘汉滨(1980—),男,高级工程师,主要研究方向为非标准机械设备。
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李利群(1971—),男,总师,主要研究方向为航天测试发射。
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李利群(1971—),男,总师,主要研究方向为航天测试发射。
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黄凯(1987—),男,博士,工程师,主要研究方向为非标准机械设备。
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黄凯(1987—),男,博士,工程师,主要研究方向为非标准机械设备。
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相有桓(1981—),男,高级工程师,主要研究方向为地面设备。
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相有桓(1981—),男,高级工程师,主要研究方向为地面设备。
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刘汉滨(1980—),男,高级工程师,主要研究方向为非标准机械设备。
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刘汉滨(1980—),男,高级工程师,主要研究方向为非标准机械设备。
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Finite element model of the slewing platform, figureFileSmall=6GIHBYlSN67hNugRbxN26g==, figureFileBig=q4ksks2DP7y3g1WYKPLvyA==, tableContent=null), ArticleFig(id=1197273806860496974, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图1, caption=
回转平台有限元模型, figureFileSmall=6GIHBYlSN67hNugRbxN26g==, figureFileBig=q4ksks2DP7y3g1WYKPLvyA==, tableContent=null), ArticleFig(id=1197273809012174927, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 2, caption=
Structural deformation with loads including self weight and four lift platforms, figureFileSmall=oi5DjtkT5BiD4zAkTDPRJQ==, figureFileBig=NSLImBn7HtEMrqNOO05hgg==, tableContent=null), ArticleFig(id=1197273809737789520, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图2, caption=
自重+4层升降平台时结构变形, figureFileSmall=oi5DjtkT5BiD4zAkTDPRJQ==, figureFileBig=NSLImBn7HtEMrqNOO05hgg==, tableContent=null), ArticleFig(id=1197273810484375633, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 3, caption=
Axial stress of the hinged support and the main truss with loads including self weight and four lift platforms, figureFileSmall=ablggmkZb24a8dCvZsarcw==, figureFileBig=BEhJHJ3Od4gddTBid/Ox+A==, tableContent=null), ArticleFig(id=1197273811159658578, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图3, caption=
自重+4层升降平台时铰座和主桁架梁单元轴向应力, figureFileSmall=ablggmkZb24a8dCvZsarcw==, figureFileBig=BEhJHJ3Od4gddTBid/Ox+A==, tableContent=null), ArticleFig(id=1197273811914633299, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 4, caption=
The position of the maximum structural stress with loads including self weight and four lift platforms, figureFileSmall=BGuY6sGTcbcDNlAbK1mulw==, figureFileBig=xjxo3xPt9+L0/21yK/5PIQ==, tableContent=null), ArticleFig(id=1197273815668535380, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图4, caption=
自重+4层升降平台时结构最大应力位置, figureFileSmall=BGuY6sGTcbcDNlAbK1mulw==, figureFileBig=xjxo3xPt9+L0/21yK/5PIQ==, tableContent=null), ArticleFig(id=1197273816444481621, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 5, caption=
The load direction of wind, figureFileSmall=iB2ZTjpucuHNwrmfGSk40A==, figureFileBig=Q5CmtrTZppC8KPRuUB5JsQ==, tableContent=null), ArticleFig(id=1197273816582893654, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图5, caption=
风载荷加载方向, figureFileSmall=iB2ZTjpucuHNwrmfGSk40A==, figureFileBig=Q5CmtrTZppC8KPRuUB5JsQ==, tableContent=null), ArticleFig(id=1197273818436776023, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 6, caption=
The load position of wind, figureFileSmall=R2DBGTc8sVrXWMMJup89+Q==, figureFileBig=WuDFkb3AduXLwuUxA4Ed3g==, tableContent=null), ArticleFig(id=1197273819388883032, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图6, caption=
风载荷作用位置, figureFileSmall=R2DBGTc8sVrXWMMJup89+Q==, figureFileBig=WuDFkb3AduXLwuUxA4Ed3g==, tableContent=null), ArticleFig(id=1197273820093526105, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 7, caption=
The wind speed and time curve with ${10}\mathrm{\;m}/\mathrm{s}$average wind velocity, figureFileSmall=a9MpV9pRHhQRp4qa8up+Vg==, figureFileBig=G6P9V41qEw6XSBXFhClcQQ==, tableContent=null), ArticleFig(id=1197273820768809050, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图7, caption=
平均风速${10}\mathrm{m}/\mathrm{s}$时程风速曲线, figureFileSmall=a9MpV9pRHhQRp4qa8up+Vg==, figureFileBig=G6P9V41qEw6XSBXFhClcQQ==, tableContent=null), ArticleFig(id=1197273822467502171, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 8, caption=
The slewing counter torque and time curve with wind load, figureFileSmall=hBNucgI/px7oMJAx1T8xuQ==, figureFileBig=llQ54boeitwUkndZa0lMHw==, tableContent=null), ArticleFig(id=1197273822941458524, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图8, caption=
风载作用下平台的回转支反力矩变化曲线, figureFileSmall=hBNucgI/px7oMJAx1T8xuQ==, figureFileBig=llQ54boeitwUkndZa0lMHw==, tableContent=null), ArticleFig(id=1197273823847428189, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 9, caption=
The pressure of hydraulic system curve with wind speed, figureFileSmall=/Y+DFo/GH6TpKU3g/nuxBQ==, figureFileBig=X5c124LTbMVQRgxVjCZEhg==, tableContent=null), ArticleFig(id=1197273827534221406, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图9, caption=
液压系统压力随风速变化曲线, figureFileSmall=/Y+DFo/GH6TpKU3g/nuxBQ==, figureFileBig=X5c124LTbMVQRgxVjCZEhg==, tableContent=null), ArticleFig(id=1197273828469551199, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 10, caption=
The structure maximum stress curve with wind speed, figureFileSmall=KvTpdlF3WFfUirt8iM95rg==, figureFileBig=/45eWrBOPmEdnT9QWLu/1g==, tableContent=null), ArticleFig(id=1197273829149028448, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图10, caption=
结构最大应力随风速变化曲线, figureFileSmall=KvTpdlF3WFfUirt8iM95rg==, figureFileBig=/45eWrBOPmEdnT9QWLu/1g==, tableContent=null), ArticleFig(id=1197273832575774817, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 11, caption=
Finite element model with 9 lift platforms, figureFileSmall=DRSi2SwYiKnt17Uuxvk23A==, figureFileBig=Vv8vNpc1T9x+TYowTr8NkA==, tableContent=null), ArticleFig(id=1197273833284612194, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图11, caption=
9层升降平台有限元模型, figureFileSmall=DRSi2SwYiKnt17Uuxvk23A==, figureFileBig=Vv8vNpc1T9x+TYowTr8NkA==, tableContent=null), ArticleFig(id=1197273833955700835, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Fig. 12, caption=
The variation of safety factors, figureFileSmall=tOltWGKec3yRMbWuG3jJGw==, figureFileBig=apry1FCM6xSBhAOXUL342Q==, tableContent=null), ArticleFig(id=1197273835604062308, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=图12, caption=
安全系数变化情况, figureFileSmall=tOltWGKec3yRMbWuG3jJGw==, figureFileBig=apry1FCM6xSBhAOXUL342Q==, tableContent=null), ArticleFig(id=1197273835897663589, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Tab. 1, caption=
The calculation results in working condition, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 计算项目 | 自重工况 | 自重+3层升降平台工况 | 自重+4层升降平台工况 |
|---|
| 1 | 结构最大变形/mm | 25.19 | 36.45 | 40.27 |
| 2 | 结构最大垂向变形/mm | 23.00 | 31.06 | 33.04 |
| 3 | 结构最大应力/MPa | 145.94 | 197.16 | 223.98 |
| 4 | 轴系垂向支反力(上部)/N | 1248090 | 1509431 | 1593955 |
| 5 | 轴系垂向支反力(下部)/N | 1215282 | 1291448 | 1327563 |
), ArticleFig(id=1197273836098990182, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=表1, caption=
应用工况计算结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 计算项目 | 自重工况 | 自重+3层升降平台工况 | 自重+4层升降平台工况 |
|---|
| 1 | 结构最大变形/mm | 25.19 | 36.45 | 40.27 |
| 2 | 结构最大垂向变形/mm | 23.00 | 31.06 | 33.04 |
| 3 | 结构最大应力/MPa | 145.94 | 197.16 | 223.98 |
| 4 | 轴系垂向支反力(上部)/N | 1248090 | 1509431 | 1593955 |
| 5 | 轴系垂向支反力(下部)/N | 1215282 | 1291448 | 1327563 |
), ArticleFig(id=1197273836187070567, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Tab. 2, caption=
The slewing torque variation with ${10}\mathrm{\;m}/\mathrm{s}$static wind load, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 风载引起的回转转矩变化/($\mathrm{N}\cdot \mathrm{m}$) |
|---|
| 约束1 | ${1.72}\times {10}^{5}$ |
| 约束2 | ${1.72}\times {10}^{5}$ |
| 约束3 | ${1.82}\times {10}^{5}$ |
| 约束4 | ${2.19}\times {10}^{5}$ |
| 总变化量 | ${7.45}\times {10}^{5}$ |
), ArticleFig(id=1197273836472283240, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=表2, caption=
$\;{10}\mathrm{m}/\mathrm{s}$静力风载荷造成的回转转矩变化, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 风载引起的回转转矩变化/($\mathrm{N}\cdot \mathrm{m}$) |
|---|
| 约束1 | ${1.72}\times {10}^{5}$ |
| 约束2 | ${1.72}\times {10}^{5}$ |
| 约束3 | ${1.82}\times {10}^{5}$ |
| 约束4 | ${2.19}\times {10}^{5}$ |
| 总变化量 | ${7.45}\times {10}^{5}$ |
), ArticleFig(id=1197273837244035177, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Tab. 3, caption=
The results of hydraulic system security and structural stress calculation with static wind load, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 平均风速/$\left({\mathrm{m}\cdot {\mathrm{s}}^{-1}}\right)$ | 风压/Pa | 风载荷/N | 风载引起的支反力转矩变化/( N·m ) | 总工作转矩$/\left({\mathrm{N}\cdot \mathrm{m}}\right)$ | 每个油缸的工作载荷/N | 合平台时需要的液压压力/MPa | 开平台时需要的液压压力/MPa | 结构最大应力/MPa |
|---|
| 1 | 10 | 61.30 | 54490 | ${7.45}\times {10}^{5}$ | ${7.65}\times {10}^{5}$ | ${2.99}\times {10}^{5}$ | 4.23 | 5.40 | 232.62 |
| 2 | 11 | 74.17 | 65933 | ${9.02}\times {10}^{5}$ | ${9.22}\times {10}^{5}$ | ${3.60}\times {10}^{5}$ | 5.10 | 6.51 | 234.43 |
| 3 | 12 | 88.27 | 78466 | ${1.07}\times {10}^{6}$ | ${1.09}\times {10}^{6}$ | ${4.26}\times {10}^{5}$ | 6.02 | 7.70 | 236.42 |
| 4 | 13 | 103.60 | 92089 | ${1.26}\times {10}^{6}$ | ${1.28}\times {10}^{6}$ | ${5.00}\times {10}^{5}$ | 7.07 | 9.04 | 238.57 |
| 5 | 14 | 120.15 | 106801 | ${1.46}\times {10}^{6}$ | ${1.48}\times {10}^{6}$ | ${5.78}\times {10}^{5}$ | 8.18 | 10.46 | 240.91 |
| 6 | 15 | 137.93 | 122603 | ${1.68}\times {10}^{6}$ | ${1.70}\times {10}^{6}$ | ${6.63}\times {10}^{5}$ | 9.38 | 11.99 | 243.41 |
| 7 | 16 | 156.93 | 139495 | ${1.91}\times {10}^{6}$ | ${1.93}\times {10}^{6}$ | ${7.54}\times {10}^{5}$ | 10.67 | 13.64 | 246.09 |
| 8 | 17 | 177.16 | 157477 | ${2.15}\times {10}^{6}$ | ${2.17}\times {10}^{6}$ | ${8.47}\times {10}^{5}$ | 12.00 | 15.33 | 248.94 |
| 9 | 17.5 | 187.73 | 166877 | ${2.28}\times {10}^{6}$ | ${2.30}\times {10}^{6}$ | ${8.98}\times {10}^{5}$ | 12.70 | 16.25 | 250.43 |
| 10 | 18 | 198.61 | 176549 | ${2.41}\times {10}^{6}$ | ${2.43}\times {10}^{6}$ | ${9.49}\times {10}^{5}$ | 13.43 | 17.17 | 251.96 |
| 11 | 19 | 221.29 | 196710 | ${2.69}\times {10}^{6}$ | ${2.71}\times {10}^{6}$ | ${1.06}\times {10}^{6}$ | 14.98 | 19.15 | 255.15 |
| 12 | 20 | 245.20 | 217961 | ${2.98}\times {10}^{6}$ | ${3.00}\times {10}^{6}$ | ${1.17}\times {10}^{6}$ | 16.58 | 21.20 | 258.52 |
), ArticleFig(id=1197273838061924458, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=表3, caption=
静力计算液压系统安全性及结构应力结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 平均风速/$\left({\mathrm{m}\cdot {\mathrm{s}}^{-1}}\right)$ | 风压/Pa | 风载荷/N | 风载引起的支反力转矩变化/( N·m ) | 总工作转矩$/\left({\mathrm{N}\cdot \mathrm{m}}\right)$ | 每个油缸的工作载荷/N | 合平台时需要的液压压力/MPa | 开平台时需要的液压压力/MPa | 结构最大应力/MPa |
|---|
| 1 | 10 | 61.30 | 54490 | ${7.45}\times {10}^{5}$ | ${7.65}\times {10}^{5}$ | ${2.99}\times {10}^{5}$ | 4.23 | 5.40 | 232.62 |
| 2 | 11 | 74.17 | 65933 | ${9.02}\times {10}^{5}$ | ${9.22}\times {10}^{5}$ | ${3.60}\times {10}^{5}$ | 5.10 | 6.51 | 234.43 |
| 3 | 12 | 88.27 | 78466 | ${1.07}\times {10}^{6}$ | ${1.09}\times {10}^{6}$ | ${4.26}\times {10}^{5}$ | 6.02 | 7.70 | 236.42 |
| 4 | 13 | 103.60 | 92089 | ${1.26}\times {10}^{6}$ | ${1.28}\times {10}^{6}$ | ${5.00}\times {10}^{5}$ | 7.07 | 9.04 | 238.57 |
| 5 | 14 | 120.15 | 106801 | ${1.46}\times {10}^{6}$ | ${1.48}\times {10}^{6}$ | ${5.78}\times {10}^{5}$ | 8.18 | 10.46 | 240.91 |
| 6 | 15 | 137.93 | 122603 | ${1.68}\times {10}^{6}$ | ${1.70}\times {10}^{6}$ | ${6.63}\times {10}^{5}$ | 9.38 | 11.99 | 243.41 |
| 7 | 16 | 156.93 | 139495 | ${1.91}\times {10}^{6}$ | ${1.93}\times {10}^{6}$ | ${7.54}\times {10}^{5}$ | 10.67 | 13.64 | 246.09 |
| 8 | 17 | 177.16 | 157477 | ${2.15}\times {10}^{6}$ | ${2.17}\times {10}^{6}$ | ${8.47}\times {10}^{5}$ | 12.00 | 15.33 | 248.94 |
| 9 | 17.5 | 187.73 | 166877 | ${2.28}\times {10}^{6}$ | ${2.30}\times {10}^{6}$ | ${8.98}\times {10}^{5}$ | 12.70 | 16.25 | 250.43 |
| 10 | 18 | 198.61 | 176549 | ${2.41}\times {10}^{6}$ | ${2.43}\times {10}^{6}$ | ${9.49}\times {10}^{5}$ | 13.43 | 17.17 | 251.96 |
| 11 | 19 | 221.29 | 196710 | ${2.69}\times {10}^{6}$ | ${2.71}\times {10}^{6}$ | ${1.06}\times {10}^{6}$ | 14.98 | 19.15 | 255.15 |
| 12 | 20 | 245.20 | 217961 | ${2.98}\times {10}^{6}$ | ${3.00}\times {10}^{6}$ | ${1.17}\times {10}^{6}$ | 16.58 | 21.20 | 258.52 |
), ArticleFig(id=1197273838774956139, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=EN, label=Tab. 4, caption=
The mechanical analysis results of additional lift platforms, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 新增升降平台数量 | 新增升降平台标高/m | 升降平台总数 | 结构最大应力/MPa | 结构安全系数 | 径向轴承 | 推力轴承 |
|---|
| 最大水平力$/\left({\times {10}^{6}\mathrm{\;N}}\right)$ | 寿命因数 | 预估寿命/$\left({\times {10}^{3}\mathrm{\;h}}\right)$ | 安全系数 | 最大推力/(×10℉) | 寿命因数 | 预估寿命/$\left({\times {10}^{3}\mathrm{\;h}}\right)$ | 安全系数 |
|---|
| 1 | 0 | - | 4 | 223.98 | 1.58 | 1.25 | 2.810 | 15.5 | 7.33 | 1.59 | 1.895 | 4.2 | 9.95 |
| 2 | 1 | 21.7 | 5 | 233.45 | 1.52 | 1.31 | 2.688 | 13.0 | 7.01 | 1.68 | 1.794 | 3.4 | 9.42 |
| 3 | 1 | 11.2 | 5 | 230.45 | 1.54 | 1.35 | 2.617 | 12.0 | 6.83 | 1.69 | 1.783 | 3.4 | 9.37 |
| 4 | 2 | 11.2/21.7 | 6 | 238.86 | 1.49 | 1.39 | 2.536 | 11.0 | 6.61 | 1.78 | 1.692 | 2.8 | 8.89 |
| 5 | 3 | 11.2/20.3/24.3 | 7 | 243.36 | 1.46 | 1.45 | 2.426 | 9.4 | 6.33 | 1.87 | 1.615 | 2.4 | 8.48 |
| 6 | 4 | 标高均分 | 8 | 248.98 | 1.43 | 1.47 | 2.389 | 9.0 | 6.23 | 2.00 | 1.514 | 1.9 | 7.95 |
| 7 | 5 | 标高均分 | 9 | 263.10 | 1.35 | 1.56 | 2.252 | 7.4 | 5.87 | 2.08 | 1.449 | 1.7 | 7.61 |
), ArticleFig(id=1197273840352014444, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011779126456523, language=CN, label=表4, caption=
新增平台后的力学分析结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 新增升降平台数量 | 新增升降平台标高/m | 升降平台总数 | 结构最大应力/MPa | 结构安全系数 | 径向轴承 | 推力轴承 |
|---|
| 最大水平力$/\left({\times {10}^{6}\mathrm{\;N}}\right)$ | 寿命因数 | 预估寿命/$\left({\times {10}^{3}\mathrm{\;h}}\right)$ | 安全系数 | 最大推力/(×10℉) | 寿命因数 | 预估寿命/$\left({\times {10}^{3}\mathrm{\;h}}\right)$ | 安全系数 |
|---|
| 1 | 0 | - | 4 | 223.98 | 1.58 | 1.25 | 2.810 | 15.5 | 7.33 | 1.59 | 1.895 | 4.2 | 9.95 |
| 2 | 1 | 21.7 | 5 | 233.45 | 1.52 | 1.31 | 2.688 | 13.0 | 7.01 | 1.68 | 1.794 | 3.4 | 9.42 |
| 3 | 1 | 11.2 | 5 | 230.45 | 1.54 | 1.35 | 2.617 | 12.0 | 6.83 | 1.69 | 1.783 | 3.4 | 9.37 |
| 4 | 2 | 11.2/21.7 | 6 | 238.86 | 1.49 | 1.39 | 2.536 | 11.0 | 6.61 | 1.78 | 1.692 | 2.8 | 8.89 |
| 5 | 3 | 11.2/20.3/24.3 | 7 | 243.36 | 1.46 | 1.45 | 2.426 | 9.4 | 6.33 | 1.87 | 1.615 | 2.4 | 8.48 |
| 6 | 4 | 标高均分 | 8 | 248.98 | 1.43 | 1.47 | 2.389 | 9.0 | 6.23 | 2.00 | 1.514 | 1.9 | 7.95 |
| 7 | 5 | 标高均分 | 9 | 263.10 | 1.35 | 1.56 | 2.252 | 7.4 | 5.87 | 2.08 | 1.449 | 1.7 | 7.61 |
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