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The soft collection chute in the finishing and collection area of the large bar production line at Lingyuan Iron and Steel is a core equipment in the bar packing and collection process. However, the original structure was affected by the frequent impact loads during the bar conveying process, resulting in frequent failures of the chain and the support bearing seats of the rotating sprockets. This not only directly led to production interruptions, but also significantly increased the maintenance difficulty and labor-hour costs due to the limited working space for chain restoration and the cumbersome disassembly and assembly procedures, seriously restricting the maintenance efficiency and the continuous operation ability of the entire production line. To address this production bottleneck, targeted improvement and optimization of the soft collection chute structure were implemented for the soft collection chute, including optimizing the force transmission path, enhancing the structural strength of key components, and conducting adaptive structural design. These measures fundamentally eliminated the problems of chain breakage, bearing seat damage and narrow operation space. After the improvement, the integrated operational stability of the equipment was improved by more than fivefold, while maintenance efficiency was enhanced by 80.0% to 83.3%. This was expected to generate annual direct economic benefits amounting to over 1 million yuan. It not only reduced the consumption of spare parts and maintenance costs, but also decreased the unplanned downtime, achieving a dual improvement in production efficiency and economic benefits.

, authors=Guodong SUN, authorsList=Guodong SUN, authorCompany=null, correspAuthors=null, 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, fund=null), CN=ArticleExt(id=1308544040640021060, articleId=1308544040153481794, tenantId=1146029695717560320, journalId=1268266715432370238, language=CN, title=棒材生产精整软收集槽结构改进实践, columnId=1268934136837345849, journalTitle=鞍钢技术, columnName=生产实践, runingTitle=null, highlight=null, articleAbstract=

凌源钢铁大棒材生产线精整收集区域的软收集槽，是棒材打包收集环节的关键设备。但软收集槽的原结构受棒材输送过程中的频繁冲击载荷影响，链条及旋转链轮支撑轴承座故障频发，不仅直接导致生产中断，还因链条恢复作业空间受限、拆装流程繁琐，大幅增加了维修难度与工时成本，严重制约检修效率及整条生产线的连续运行能力。为破解这一生产瓶颈，通过优化受力传导路径、强化关键部件结构强度及适配性设计，对软收集槽结构实施针对性改进优化。从根源上规避了链条断裂、轴承座损坏问题及作业空间受限问题。改进后，设备综合运行稳定性提升5倍以上，检修效率提升80.0%~83.3%，年直接经济效益可达100万元以上。不仅降低了备件消耗与维修成本，还减少了非计划停机时间，实现了生产效率与经济效益的双重提升。

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孙国栋，高级工程师，2012年毕业于辽宁工程技术大学机械工程及自动化专业。E-mail: 250507440@qq.com

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孙国栋，高级工程师，2012年毕业于辽宁工程技术大学机械工程及自动化专业。E-mail: 250507440@qq.com

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