Article(id=1149781956226933662, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149781952959574654, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2404257, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1717689600000, receivedDateStr=2024-06-07, revisedDate=1735574400000, revisedDateStr=2024-12-31, acceptedDate=null, acceptedDateStr=null, onlineDate=1752058980280, onlineDateStr=2025-07-09, pubDate=1743091200000, pubDateStr=2025-03-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752058980280, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752058980280, creator=13701087609, updateTime=1752058980280, updator=13701087609, issue=Issue{id=1149781952959574654, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='9', pageStart='3529', pageEnd='3967', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752058979501, creator=13701087609, updateTime=1776333392421, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1251596220226027613, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149781952959574654, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1251596220226027614, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149781952959574654, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=3637, endPage=3645, ext={EN=ArticleExt(id=1149781956457620384, articleId=1149781956226933662, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Friction Temperature Rise Characteristics between Idler and Conveyor Belt under Locked Rotating Conditions, columnId=1156264152168518571, journalTitle=Science Technology and Engineering, columnName=Papers·Mining and Metallurgical Engineering, runingTitle=null, highlight=null, articleAbstract=
The issues of idler blocking during belt conveyor operation were addressed, which leads to excessive friction and abnormal temperature rise between idlers and conveyor belts. A friction surface temperature rise model for faulty idlers and conveyor belts was established based on microscopic friction theory, considering the phenomenon of hysteresis-induced heat generation and utilizing the virtual work approach. The finite element method was employed to conduct a thermo-mechanical coupling simulation on the friction model to analyze the effects of belt speed and load on temperature rise. An experimental platform was constructed to investigate the heat generation from friction between faulty idlers and conveyor belts, where an infrared thermal imager was utilized to monitor the temperature rise under varying parameters. The results indicate that the friction-induced heat generation between faulty idlers and conveyor belts positively correlates with both belt speed and load. An increase in either factor results in heightened heat generation, with the heat being primarily concentrated on the surface of the faulty idlers. The maximum deviation between experimental values and theoretical calculations is 8.7%, confirming the reliability of the theoretical model. Corresponding measures are proposed based on these findings.
, correspAuthors=Kun HU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Kun HU, Qiao LÜ, Hao JIANG), CN=ArticleExt(id=1149782005887492701, articleId=1149781956226933662, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=堵转工况下托辊-输送带摩擦温升特性, columnId=1156264152306930605, journalTitle=科学技术与工程, columnName=论文·矿冶工程, runingTitle=null, highlight=null, articleAbstract=
针对带式输送机运行时托辊堵转,引起托辊与输送带过度摩擦、异常升温等问题,基于微观摩擦理论,在考虑滞后生热情况下,结合虚功法建立堵转托辊-输送带摩擦表面温升模型;采用有限元法对堵转托辊-输送带摩擦模型进行热力耦合仿真,分析带速及载荷对温升的影响;搭建堵转托辊与输送带摩擦生热实验平台,利用红外热像仪监测其在不同参数下的温升情况。结果表明:堵转托辊-输送带的摩擦生热量与带速及载荷呈正相关,随着带速、载荷的增加,均会导致生热量的增加,且热量主要集中在堵转托辊表面;实验值与理论计算值最大误差为8.7%,验证了理论模型的可靠性,并根据研究结论提出相应措施。
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1 State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Huainan 232001, China
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1 深部煤矿采动响应与灾害防控国家重点实验室, 淮南 232001
2 安徽理工大学机电工程学院, 淮南 232001, bio={"content":"
胡坤(1981—),男,汉族,安徽淮南人,博士,教授。研究方向:智能矿山技术与装备。E-mail:hk924@126.com。
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胡坤(1981—),男,汉族,安徽淮南人,博士,教授。研究方向:智能矿山技术与装备。E-mail:hk924@126.com。
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Microscopic schematic diagram of friction, figureFileSmall=GlaoxoP4Qhs9td7NhIqu+g==, figureFileBig=ReQPbrqYMZoEuzL8X+ReuQ==, tableContent=null), ArticleFig(id=1251249366409887884, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图1, caption=
摩擦微观示意图 v为输送带运行速度;Fn为托辊垂直载荷;p为输送带正压力
, figureFileSmall=GlaoxoP4Qhs9td7NhIqu+g==, figureFileBig=ReQPbrqYMZoEuzL8X+ReuQ==, tableContent=null), ArticleFig(id=1251249366556688536, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.2, caption=
Schematic diagram of force analysis on return roller, figureFileSmall=18uabOzPpIZRGdaLO0Ib5w==, figureFileBig=agapCBsRufVsUEi10eQw9w==, tableContent=null), ArticleFig(id=1251249366728655024, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图2, caption=
回程托辊受力分析示意图 Fin为绕入张力;Fout为绕出张力
, figureFileSmall=18uabOzPpIZRGdaLO0Ib5w==, figureFileBig=agapCBsRufVsUEi10eQw9w==, tableContent=null), ArticleFig(id=1251249366867067068, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.3, caption=
Schematic diagram of force analysis on groove roller, figureFileSmall=bcpMic9G7AAkpJ5u2JUkaA==, figureFileBig=WikrxOz85f5tP8tcyPPpzQ==, tableContent=null), ArticleFig(id=1251249367005479113, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图3, caption=
槽形托辊受力分析示意图 FP为中间托辊承载物料对侧托辊的推力;GW为侧托辊承载的物料重力;GP为侧托辊承载的输送带重力
, figureFileSmall=bcpMic9G7AAkpJ5u2JUkaA==, figureFileBig=WikrxOz85f5tP8tcyPPpzQ==, tableContent=null), ArticleFig(id=1251249367114531025, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.4, caption=
Three forms of heat transfer, figureFileSmall=FD8iwcr3qJm87HNojiRiLw==, figureFileBig=a1KdVF2D/8UGGTEpBRyyHQ==, tableContent=null), ArticleFig(id=1251249367227777245, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图4, caption=
热传递产生的3种形式, figureFileSmall=FD8iwcr3qJm87HNojiRiLw==, figureFileBig=a1KdVF2D/8UGGTEpBRyyHQ==, tableContent=null), ArticleFig(id=1251249367408132330, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.5, caption=
Pre processing of friction heat generation simulation, figureFileSmall=4kjxiLV662jJ8l9FlnSwPg==, figureFileBig=p1e1RcqGdh662pZpaBafxA==, tableContent=null), ArticleFig(id=1251249367592681721, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图5, caption=
摩擦生热仿真前处理, figureFileSmall=4kjxiLV662jJ8l9FlnSwPg==, figureFileBig=p1e1RcqGdh662pZpaBafxA==, tableContent=null), ArticleFig(id=1251249369190711555, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.6, caption=
Temperature cloud map of frictional heat generation under different loads, figureFileSmall=VwZbLhvTo6dDBgLdCph0FA==, figureFileBig=i3RWflqaoPP/aHeeqYei2Q==, tableContent=null), ArticleFig(id=1251249369354289419, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图6, caption=
不同载荷下摩擦生热温度云图, figureFileSmall=VwZbLhvTo6dDBgLdCph0FA==, figureFileBig=i3RWflqaoPP/aHeeqYei2Q==, tableContent=null), ArticleFig(id=1251249369543033114, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.7, caption=
Temperature cloud map of frictional heat generation under different speeds, figureFileSmall=4nWPlox0sD+uMi4M8r8BIw==, figureFileBig=cp0SYMQn1h3fNgEXslJRSw==, tableContent=null), ArticleFig(id=1251249369677250850, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图7, caption=
不同带速下摩擦生热温度云图, figureFileSmall=4nWPlox0sD+uMi4M8r8BIw==, figureFileBig=cp0SYMQn1h3fNgEXslJRSw==, tableContent=null), ArticleFig(id=1251249369807274281, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.8, caption=
Curved surface diagram of constant load and variable speed temperature, figureFileSmall=6ERKz/jWQaFinggBYDFhKg==, figureFileBig=lBmEIW6y7ZmFxmtEUwt4bg==, tableContent=null), ArticleFig(id=1251249369945686320, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图8, caption=
定载荷变速温度曲面图, figureFileSmall=6ERKz/jWQaFinggBYDFhKg==, figureFileBig=lBmEIW6y7ZmFxmtEUwt4bg==, tableContent=null), ArticleFig(id=1251249370071515449, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.9, caption=
Temperature curve of constant speed and variable load, figureFileSmall=/tfliSuqtAykyEB09VapPA==, figureFileBig=q4lT3vINpH9EPhbmqtAYfg==, tableContent=null), ArticleFig(id=1251249370193150273, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图9, caption=
定速变载荷温度曲面图, figureFileSmall=/tfliSuqtAykyEB09VapPA==, figureFileBig=q4lT3vINpH9EPhbmqtAYfg==, tableContent=null), ArticleFig(id=1251249370356728142, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.10, caption=
Experimental setup diagram, figureFileSmall=Xjs2j6PpZbLEQqE04jMCgw==, figureFileBig=xaEkPxblDNl8F9x05Da4kw==, tableContent=null), ArticleFig(id=1251249370474168667, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图10, caption=
实验装置图, figureFileSmall=Xjs2j6PpZbLEQqE04jMCgw==, figureFileBig=xaEkPxblDNl8F9x05Da4kw==, tableContent=null), ArticleFig(id=1251249370595803494, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.11, caption=
Experimental setup diagram of heat distribution under different loads, figureFileSmall=9ZOB5yTXZTG3ovW+b1Mv6A==, figureFileBig=0wu7E8EsMuVYzkfx9aaXbQ==, tableContent=null), ArticleFig(id=1251249370700661106, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图11, caption=
不同载荷下热量分布, figureFileSmall=9ZOB5yTXZTG3ovW+b1Mv6A==, figureFileBig=0wu7E8EsMuVYzkfx9aaXbQ==, tableContent=null), ArticleFig(id=1251249370813907323, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.12, caption=
Temperature distribution under different belt speeds, figureFileSmall=Uyi82Si9iamnw/gG9lIhvA==, figureFileBig=Oyv/IaiwAaEoFwZ1NlvFAg==, tableContent=null), ArticleFig(id=1251249370948125064, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图12, caption=
不同带速下温度分布, figureFileSmall=Uyi82Si9iamnw/gG9lIhvA==, figureFileBig=Oyv/IaiwAaEoFwZ1NlvFAg==, tableContent=null), ArticleFig(id=1251249371057176982, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.13, caption=
Theoretical experimental temperature rise comparison chart, figureFileSmall=blAmFeQEeiGrxyoVavh22w==, figureFileBig=sln7LXxaJRV58ZS3ptwOuA==, tableContent=null), ArticleFig(id=1251249371191394720, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图13, caption=
理论-实验温升对比图, figureFileSmall=blAmFeQEeiGrxyoVavh22w==, figureFileBig=sln7LXxaJRV58ZS3ptwOuA==, tableContent=null), ArticleFig(id=1251249371430470056, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.14, caption=
Heat transfer process after shutdown, figureFileSmall=x1ewIz6L05mBBPbmtXXZ5w==, figureFileBig=Iw9qIc05wQpj1/b4UWgD+Q==, tableContent=null), ArticleFig(id=1251249371556299183, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图14, caption=
停机后传热过程, figureFileSmall=x1ewIz6L05mBBPbmtXXZ5w==, figureFileBig=Iw9qIc05wQpj1/b4UWgD+Q==, tableContent=null), ArticleFig(id=1251249371682128313, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Fig.15, caption=
Experimental setup diagram, figureFileSmall=sEoOe7bjbi2cyzSfmKFPiw==, figureFileBig=x/ierKR+U6fw6HnhW6ATCw==, tableContent=null), ArticleFig(id=1251249371833123269, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=图15, caption=
不同带速下温升情况, figureFileSmall=sEoOe7bjbi2cyzSfmKFPiw==, figureFileBig=x/ierKR+U6fw6HnhW6ATCw==, tableContent=null), ArticleFig(id=1251249372009284047, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=EN, label=Table 1, caption=
Material property
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 托辊 | 输送带 |
| 材料 | Q235 | 丁腈橡胶 |
| 密度/(kg·m-3) | 7 850 | 1 250 |
| 比热容/[J·(kg·℃)-1] | 450 | 1 050 |
| 泊松比 | 0.25 | 0.4 |
| 弹性模量/(N·mm-2) | 2.10×105 | 1.5 ×103 |
| 热膨胀系数/℃-1 | 1.20×105 | 0.8×104 |
| 导热系数/[W·(m·℃)-1] | 44.19 | 0.25 |
), ArticleFig(id=1251249373208855002, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149781956226933662, language=CN, label=表1, caption=
材料属性
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 托辊 | 输送带 |
| 材料 | Q235 | 丁腈橡胶 |
| 密度/(kg·m-3) | 7 850 | 1 250 |
| 比热容/[J·(kg·℃)-1] | 450 | 1 050 |
| 泊松比 | 0.25 | 0.4 |
| 弹性模量/(N·mm-2) | 2.10×105 | 1.5 ×103 |
| 热膨胀系数/℃-1 | 1.20×105 | 0.8×104 |
| 导热系数/[W·(m·℃)-1] | 44.19 | 0.25 |
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