Article(id=1322161998213796548, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322161751467078485, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1727280000000, receivedDateStr=2024-09-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793157584955, onlineDateStr=2026-10-28, pubDate=1758729600000, pubDateStr=2025-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793157584955, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793157584955, creator=13701087609, updateTime=1793157584955, updator=13701087609, issue=Issue{id=1322161751467078485, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='9', pageStart='1', pageEnd='314', issueExtLink='null', onlineDate='null', pubDate='1758729600000', pubDateStr='2025-09-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793157526127, creator='13701087609', updateTime=1793158877659, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322167420266074322, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322161751467078485, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322167420266074323, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322161751467078485, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=192, endPage=199, ext={EN=ArticleExt(id=1322161998469649093, articleId=1322161998213796548, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Application of Micro Rock Drilling Rig in the Mining of Sharply Inclined Thin Ore Veins, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In response to the problems of large mining range, ore dilution rate, low mechanization degree, and high safety risks in the shallow hole shrinkage mining method for sharply inclined thin ore veins in China, taking the occurrence conditions of a certain metal mine as the engineering application background, a mechanized mining process of shallow hole shrinkage mining method was proposed, and the mechanized mining idea of using micro rock drilling rigs to drill shallow holes upwards was determined. Firstly, based on the operating conditions of the experimental mining site, the design principles and main technical parameters of the micro rock drilling rig were determined. Secondly, the whole machine adopted the design scheme of modularization and 4-degree-of-freedom rock drilling positioning, and the passability, rock drilling positioning, machine stability, and in-situ steering drive system of the micro rock drilling rig were calculated and simulated in narrow and complex environments. The results show that the micro rock drilling rig can meet the practical engineering applications of narrow space transition driving, rock drilling positioning, and visual distance remote control operation in the mining of sharply inclined thin ore veins with shallow hole shrinkage method. The fastest single hole drilling speed can reach 2.2 m/min, the average of efficiency of artificialrock drilling is 1.35 m/min, and the drilling efficiency of equipment is 1.69 m/min, and the comprehensive rock drilling efficiency has been improved by more than 25% compared to manual rock drilling efficiency. At the same time, visual distance remote control can effectively reduce the number of operators, reduce mining amplitude, reduce safety risks, and improve comprehensive mining efficiency, which can provide equipment scheme reference for mechanized fransformation of steeply inclined thin veins with mining dip angle greater than 65° and pulse thickness less than 0.8 m.

, authors=Wugang YAN1, Lianjun ZHANG2, Feng WANG1, Jianlong DAI1, Qiancai YIN1, Wei WEI1, authorsList=Wugang YAN, Lianjun ZHANG, Feng WANG, Jianlong DAI, Qiancai YIN, Wei WEI, 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=1322162002634593006, articleId=1322161998213796548, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=微型凿岩台车在急倾斜薄矿脉开采中的应用研究, columnId=1226462295946085268, journalTitle=矿业研究与开发, columnName=矿山机电与矿业智能化, runingTitle=null, highlight=null, articleAbstract=

针对国内急倾斜薄矿脉浅孔留矿采矿法开采存在采幅过大、矿石贫化率高、机械化程度低、安全风险高等问题,以国内某金属矿赋存条件为工程应用背景,提出了浅孔留矿法机械化开采工艺,确定了采用微型凿岩台车上向浅孔凿岩的机械化开采思路。首先,基于试验采场的作业条件,确定了微型凿岩台车的设计原则和主要技术参数;其次,整机采用模块化和4个自由度凿岩定位的设计方案,对微型凿岩台车狭小复杂环境下的通过性、凿岩定位、整机稳定性和原地转向驱动系统进行了计算和模拟分析。结果表明,微型凿岩台车可满足急倾斜薄矿脉浅孔留矿法开采狭小空间转场行驶、凿岩定位及视距遥控作业的实际工程应用,单孔进尺速度最快可达2.2 m/min,人工凿岩平均效率为1.35 m/min,设备凿岩效率为1.69 m/min,综合凿岩效率比人工凿岩效率提升25%以上,同时,通过视距遥控可有效减少作业人数、减小采幅、降低安全风险和提升综合开采效率,为开采倾角>65°、脉厚<0.8 m的急倾斜薄矿脉机械化改选提供装备方案参考。

, authors=颜武刚1, 张连军2, 王锋1, 代建龙1, 尹千才1, 未崴1, authorsList=颜武刚, 张连军, 王锋, 代建龙, 尹千才, 未崴, authorCompany=null, correspAuthors=null, authorNote=

颜武刚(1985—),男,湖南长沙人,硕士,高级工程师,主要从事智能矿山装备研究。E-mail:

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颜武刚(1985—),男,湖南长沙人,硕士,高级工程师,主要从事智能矿山装备研究。E-mail:

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颜武刚(1985—),男,湖南长沙人,硕士,高级工程师,主要从事智能矿山装备研究。E-mail:

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Investigation into in-situ steering for crawler cranes under simplified ground[J]. Chinese Journal of Construction Machinery, 2009, 7(4):407-411., articleTitle=Investigation into in-situ steering for crawler cranes under simplified ground, refAbstract=null)], funds=[Fund(id=1322162096893178333, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, awardId=2022YFC2903805, language=CN, fundingSource=国家重点研发计划项目(2022YFC2903805), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322162087149810058, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, xref=1., ext=[AuthorCompanyExt(id=1322162087158198667, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, companyId=1322162087149810058, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.Hunan Chuangyuan High-tech Machinery Co., Ltd., Changsha, Hunan 410205, China), AuthorCompanyExt(id=1322162087166587276, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, companyId=1322162087149810058, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.湖南创远高新机械有限责任公司,湖南 长沙 410205)]), AuthorCompany(id=1322162087229501837, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, xref=2., ext=[AuthorCompanyExt(id=1322162087237890446, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, companyId=1322162087229501837, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.China Mining Products Safety Approval and Certification Center, Beijing 100013, China), AuthorCompanyExt(id=1322162087250473359, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, companyId=1322162087229501837, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.安标国家矿用产品安全标志中心有限公司,北京 100013)])], figs=[ArticleFig(id=1322162091860013497, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.1, caption=Mechanized mining technology of shallow hole shrinkage mining method, figureFileSmall=Hh92zTimBn802SpcroKsPg==, figureFileBig=MceP4u3wdtOePip/HEMj0Q==, tableContent=null), ArticleFig(id=1322162091935510970, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图1, caption=浅孔留矿采矿法机械化开采工艺, figureFileSmall=Hh92zTimBn802SpcroKsPg==, figureFileBig=MceP4u3wdtOePip/HEMj0Q==, tableContent=null), ArticleFig(id=1322162092149420475, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.2, caption=Structure of micro rock drilling rig, figureFileSmall=zJoejykEnTCjK/GRDFm0iQ==, figureFileBig=cIhi8ma0PQBFJX/uqLHoeA==, tableContent=null), ArticleFig(id=1322162092262666684, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图2, caption=微型凿岩台车的组成结构, figureFileSmall=zJoejykEnTCjK/GRDFm0iQ==, figureFileBig=cIhi8ma0PQBFJX/uqLHoeA==, tableContent=null), ArticleFig(id=1322162092526907837, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.3, caption=Simulation of passability of micro rock drilling rig, figureFileSmall=mxU90rY4X3hj4+9fbLH4lg==, figureFileBig=aRP/OgT7EK7IsSnrZai5oQ==, tableContent=null), ArticleFig(id=1322162092610793918, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图3, caption=微型凿岩台车通过性模拟, figureFileSmall=mxU90rY4X3hj4+9fbLH4lg==, figureFileBig=aRP/OgT7EK7IsSnrZai5oQ==, tableContent=null), ArticleFig(id=1322162092724040127, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.4, caption=Layout method of rectangular+spaced hole (unit:mm), figureFileSmall=1LleW4RqK5VQQ8KTV0Bv1A==, figureFileBig=AuZaB6pbcQl9FRCbzaLxLw==, tableContent=null), ArticleFig(id=1322162092950532544, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图4, caption=矩形+间隔空孔布孔方式(单位:mm), figureFileSmall=1LleW4RqK5VQQ8KTV0Bv1A==, figureFileBig=AuZaB6pbcQl9FRCbzaLxLw==, tableContent=null), ArticleFig(id=1322162094519202241, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.5, caption=Four degrees of freedom of micro rock drilling rig, figureFileSmall=VOr8Y/bCa5MWhJA7XCfT1g==, figureFileBig=iwGq98zonWpHouY//Cdyow==, tableContent=null), ArticleFig(id=1322162094603088322, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图5, caption=微型凿岩台车的4个自由度, figureFileSmall=VOr8Y/bCa5MWhJA7XCfT1g==, figureFileBig=iwGq98zonWpHouY//Cdyow==, tableContent=null), ArticleFig(id=1322162094699557315, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.6, caption=Complete drilling of 2 boreholes in one location, figureFileSmall=GI+kYQpmy1iVOpDXyZ6Asg==, figureFileBig=iddR/+6Swj16VWEU5naMqw==, tableContent=null), ArticleFig(id=1322162095035101636, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图6, caption=一次定位完成2个炮孔钻凿, figureFileSmall=GI+kYQpmy1iVOpDXyZ6Asg==, figureFileBig=iddR/+6Swj16VWEU5naMqw==, tableContent=null), ArticleFig(id=1322162095114793413, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.7, caption=Scope of vertical hole drilling operation, figureFileSmall=NhhzoUACl47QG+l3FQmF8g==, figureFileBig=QmnzMQgzCFHtXYTN6qMbCQ==, tableContent=null), ArticleFig(id=1322162095177707974, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图7, caption=垂直孔钻凿作业范围, figureFileSmall=NhhzoUACl47QG+l3FQmF8g==, figureFileBig=QmnzMQgzCFHtXYTN6qMbCQ==, tableContent=null), ArticleFig(id=1322162095265788359, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.8, caption=Stability analysis of flat driving, figureFileSmall=Pueaz9KkDElJXGzvptNKbQ==, figureFileBig=4/48kBM3G8t2+Njy7zBkYA==, tableContent=null), ArticleFig(id=1322162095341285832, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图8, caption=平地行驶稳定性分析, figureFileSmall=Pueaz9KkDElJXGzvptNKbQ==, figureFileBig=4/48kBM3G8t2+Njy7zBkYA==, tableContent=null), ArticleFig(id=1322162095404200393, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.9, caption=Stability analysis of driving on a 16° slope, figureFileSmall=KhNErJfLSY8UI0Fi+OsFpg==, figureFileBig=rp0OSwjRYkPOyqMAzP8E/w==, tableContent=null), ArticleFig(id=1322162095462920650, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图9, caption=16°坡行驶稳定性分析, figureFileSmall=KhNErJfLSY8UI0Fi+OsFpg==, figureFileBig=rp0OSwjRYkPOyqMAzP8E/w==, tableContent=null), ArticleFig(id=1322162095555195339, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.10, caption=Stability analysis of maximum front swing and side swing operations, figureFileSmall=lrOIAzY/y+kz70aLII67Gg==, figureFileBig=ON3WgHID/kmn1dkHvNHU0A==, tableContent=null), ArticleFig(id=1322162095630692812, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图10, caption=最大前摆及侧摆作业稳定性分析, figureFileSmall=lrOIAzY/y+kz70aLII67Gg==, figureFileBig=ON3WgHID/kmn1dkHvNHU0A==, tableContent=null), ArticleFig(id=1322162095697801677, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.11, caption=Schematic of track chassis turning in place, figureFileSmall=kARY6x5t/8ScIMOft5f7kw==, figureFileBig=/y0znfEXdloparwWK597qw==, tableContent=null), ArticleFig(id=1322162095760716238, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图11, caption=履带底盘原地转向示意, figureFileSmall=kARY6x5t/8ScIMOft5f7kw==, figureFileBig=/y0znfEXdloparwWK597qw==, tableContent=null), ArticleFig(id=1322162095832019407, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Fig.12, caption=Hydraulic system circuit of micro rock drilling rig, figureFileSmall=VRAp2pmN8Tbt+nvwL6hDuw==, figureFileBig=Aw1X9N1BS/jr+k2sgGYJQQ==, tableContent=null), ArticleFig(id=1322162095899128272, 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drilling rig, figureFileSmall=Y4Gt54BLlDyBG2m3DI3siA==, figureFileBig=P7eqp5/BoJ2t5xkJSu5sPQ==, tableContent=null), ArticleFig(id=1322162096184340948, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=图14, caption=微型凿岩台车现场应用, figureFileSmall=Y4Gt54BLlDyBG2m3DI3siA==, figureFileBig=P7eqp5/BoJ2t5xkJSu5sPQ==, tableContent=null), ArticleFig(id=1322162096264032725, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Table 1, caption=

Main technical parameters of micro rock drilling rig

, figureFileSmall=null, figureFileBig=null, tableContent=
长度/m宽度/m高度/m坡度/(°)速度/(km/h)
3.50.81.8162.5
), ArticleFig(id=1322162096335335894, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=表1, caption=

微型凿岩台车主要技术参数

, figureFileSmall=null, figureFileBig=null, tableContent=
长度/m宽度/m高度/m坡度/(°)速度/(km/h)
3.50.81.8162.5
), ArticleFig(id=1322162096415027671, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Table 2, caption=

Design parameters of hydraulic manipulator

, figureFileSmall=null, figureFileBig=null, tableContent=
质量G/N马达排量q/(mL/r)马达额定工作压力P/MPa驱动链轮基圆半径r/mm轨距B/mm履带接地长度L/m履带板宽b/mm马达减速机速比i马达机械效率ηm减速机机械效率ηr驱动链轮机械效率ηc履带阻力系数μ
36 0001821166.56201.218045.20.950.910.850.8
), ArticleFig(id=1322162096494719448, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=表2, caption=

行驶系统设计参数

, figureFileSmall=null, figureFileBig=null, tableContent=
质量G/N马达排量q/(mL/r)马达额定工作压力P/MPa驱动链轮基圆半径r/mm轨距B/mm履带接地长度L/m履带板宽b/mm马达减速机速比i马达机械效率ηm减速机机械效率ηr驱动链轮机械效率ηc履带阻力系数μ
36 0001821166.56201.218045.20.950.910.850.8
), ArticleFig(id=1322162096561828313, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Table 3, caption=

Factory test record form

, figureFileSmall=null, figureFileBig=null, tableContent=
项目支腿保压性能/mm行走速度/(km/h)推进力/kN冲击压力/MPa回转压力/MPa静态制动力/kN原地转向半径/m
技术要求额定负载作用下活塞杆的移动量在6 h内≤4 mmⅠ档:1.5±0.115±0.2≤14.5≤4≥8.54≤2
Ⅱ档:2.2±0.2
测试结果2 mmⅠ档:1.4714.814.163.9214.11.997
Ⅱ档:2.22
), ArticleFig(id=1322162096628937178, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=表3, caption=

微型凿岩台车性能测试结果对比

, figureFileSmall=null, figureFileBig=null, tableContent=
项目支腿保压性能/mm行走速度/(km/h)推进力/kN冲击压力/MPa回转压力/MPa静态制动力/kN原地转向半径/m
技术要求额定负载作用下活塞杆的移动量在6 h内≤4 mmⅠ档:1.5±0.115±0.2≤14.5≤4≥8.54≤2
Ⅱ档:2.2±0.2
测试结果2 mmⅠ档:1.4714.814.163.9214.11.997
Ⅱ档:2.22
), ArticleFig(id=1322162096687657435, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=EN, label=Table 4, caption=

Comparative analysis of technical indicators before and after mining process optimization

, figureFileSmall=null, figureFileBig=null, tableContent=
结果对比凿岩效率/(m/min)凿岩方式作业人数采幅/m安全风险
优化前1.2~1.5人工空区风动凿岩≥2≥1.8高风险
优化后2.2视距遥控凿岩11.2低风险
), ArticleFig(id=1322162096754766300, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161998213796548, language=CN, label=表4, caption=

采矿工艺优化前后技术指标对比分析

, figureFileSmall=null, figureFileBig=null, tableContent=
结果对比凿岩效率/(m/min)凿岩方式作业人数采幅/m安全风险
优化前1.2~1.5人工空区风动凿岩≥2≥1.8高风险
优化后2.2视距遥控凿岩11.2低风险
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微型凿岩台车在急倾斜薄矿脉开采中的应用研究
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颜武刚 1 , 张连军 2 , 王锋 1 , 代建龙 1 , 尹千才 1 , 未崴 1
矿业研究与开发 | 矿山机电与矿业智能化 2025,45(9): 192-199
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矿业研究与开发 |矿山机电与矿业智能化 2025 , 45 (9) : 192 -199
微型凿岩台车在急倾斜薄矿脉开采中的应用研究
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颜武刚(1985—),男,湖南长沙人,硕士,高级工程师,主要从事智能矿山装备研究。E-mail:

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颜武刚1 , 张连军2, 王锋1, 代建龙1, 尹千才1, 未崴1
作者信息
  • 1.湖南创远高新机械有限责任公司,湖南 长沙 410205
  • 2.安标国家矿用产品安全标志中心有限公司,北京 100013
作者简介:

颜武刚(1985—),男,湖南长沙人,硕士,高级工程师,主要从事智能矿山装备研究。E-mail:

Application of Micro Rock Drilling Rig in the Mining of Sharply Inclined Thin Ore Veins
Wugang YAN1 , Lianjun ZHANG2, Feng WANG1, Jianlong DAI1, Qiancai YIN1, Wei WEI1
Affiliations
  • 1.Hunan Chuangyuan High-tech Machinery Co., Ltd., Changsha, Hunan 410205, China
  • 2.China Mining Products Safety Approval and Certification Center, Beijing 100013, China
出版时间: 2025-09-25
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针对国内急倾斜薄矿脉浅孔留矿采矿法开采存在采幅过大、矿石贫化率高、机械化程度低、安全风险高等问题,以国内某金属矿赋存条件为工程应用背景,提出了浅孔留矿法机械化开采工艺,确定了采用微型凿岩台车上向浅孔凿岩的机械化开采思路。首先,基于试验采场的作业条件,确定了微型凿岩台车的设计原则和主要技术参数;其次,整机采用模块化和4个自由度凿岩定位的设计方案,对微型凿岩台车狭小复杂环境下的通过性、凿岩定位、整机稳定性和原地转向驱动系统进行了计算和模拟分析。结果表明,微型凿岩台车可满足急倾斜薄矿脉浅孔留矿法开采狭小空间转场行驶、凿岩定位及视距遥控作业的实际工程应用,单孔进尺速度最快可达2.2 m/min,人工凿岩平均效率为1.35 m/min,设备凿岩效率为1.69 m/min,综合凿岩效率比人工凿岩效率提升25%以上,同时,通过视距遥控可有效减少作业人数、减小采幅、降低安全风险和提升综合开采效率,为开采倾角>65°、脉厚<0.8 m的急倾斜薄矿脉机械化改选提供装备方案参考。

微型凿岩台车  /  急倾斜薄矿脉  /  浅孔留矿法  /  机械化开采  /  视距遥控

In response to the problems of large mining range, ore dilution rate, low mechanization degree, and high safety risks in the shallow hole shrinkage mining method for sharply inclined thin ore veins in China, taking the occurrence conditions of a certain metal mine as the engineering application background, a mechanized mining process of shallow hole shrinkage mining method was proposed, and the mechanized mining idea of using micro rock drilling rigs to drill shallow holes upwards was determined. Firstly, based on the operating conditions of the experimental mining site, the design principles and main technical parameters of the micro rock drilling rig were determined. Secondly, the whole machine adopted the design scheme of modularization and 4-degree-of-freedom rock drilling positioning, and the passability, rock drilling positioning, machine stability, and in-situ steering drive system of the micro rock drilling rig were calculated and simulated in narrow and complex environments. The results show that the micro rock drilling rig can meet the practical engineering applications of narrow space transition driving, rock drilling positioning, and visual distance remote control operation in the mining of sharply inclined thin ore veins with shallow hole shrinkage method. The fastest single hole drilling speed can reach 2.2 m/min, the average of efficiency of artificialrock drilling is 1.35 m/min, and the drilling efficiency of equipment is 1.69 m/min, and the comprehensive rock drilling efficiency has been improved by more than 25% compared to manual rock drilling efficiency. At the same time, visual distance remote control can effectively reduce the number of operators, reduce mining amplitude, reduce safety risks, and improve comprehensive mining efficiency, which can provide equipment scheme reference for mechanized fransformation of steeply inclined thin veins with mining dip angle greater than 65° and pulse thickness less than 0.8 m.

Micro rock drilling rig  /  Sharply inclined thin ore vein  /  Shallow-hole shrinkage mining method  /  Mechanized mining  /  Visual distance remote control
颜武刚, 张连军, 王锋, 代建龙, 尹千才, 未崴. 微型凿岩台车在急倾斜薄矿脉开采中的应用研究. 矿业研究与开发, 2025 , 45 (9) : 192 -199 .
Wugang YAN, Lianjun ZHANG, Feng WANG, Jianlong DAI, Qiancai YIN, Wei WEI. Application of Micro Rock Drilling Rig in the Mining of Sharply Inclined Thin Ore Veins[J]. Mining Research and Development, 2025 , 45 (9) : 192 -199 .
急倾斜薄矿脉在金属矿山中分布比较广泛,尤其是在钼、锡、金、银、钨等矿床中占比较大[1],具有矿脉厚度小、空间变异性大、采场作业空间有限等特点[2]。在国内,开采薄矿脉主要还是以浅孔留矿采矿法为主,特别是以急倾斜薄矿脉为主的钨(锡)矿床开采中约占70%[3]。浅孔留矿采矿法的使用比例虽大,但因其矿石贫化率高、开采作业极不安全、劳动强度大、生产效率低、经济效益差、开采难度大,严重影响了矿山企业的经济效益[4-6]。
张建波[7]、万相宗[8]、丁明飞[9]的研究中,采用浅孔留矿采矿法开采时凿岩工序均是以人工手持YT-24、YT-28等风动凿岩机进行凿岩作业,作业人员长期暴露在空区,劳动强度大、安全风险高。为了解决急倾斜薄矿脉凿岩工序机械化的问题,国内许多学者主要针对充填采矿法进行了不同的探索。姚泽春等[10]采用DF10B-1BD(T)型履带式液压凿岩台车实现了上向水平分层进路充填采矿法凿岩工序机械化;刘强等[11]提出采用凿岩台车、装药台车、撬毛台车等成套机械化设备回采的上向分层充填采矿法,提高了凿岩、装药、撬毛等工序的机械化水平、回采效率和安全性;杨建国等[12]提出通过采用阿特拉斯BoomerK41凿岩台车实现上向水平分层充填采矿法凿岩工序机械化。综上所述,在急倾斜薄矿脉机械化开采方面,目前国内对于机械化充填采矿法研究较多,而关于留矿法如何通过凿岩台车实现凿岩工序的机械化、通过视距遥控使作业人员远离空区等方面的研究甚少。
国外从20世纪70年代就开始研制微型凿岩台车[13-15],自1976年法国塞科马(Secoma)公司制造出第一台小型凿岩台车以来,薄矿脉的凿岩设备迅速发展,1989年该公司又推出了长度8.6~8.9 m、宽度1.2 m、高度1.9 m的Quasar凿岩台车;瑞典阿特拉斯·科谱柯(Atlas Copco)公司于1990年研制出了长度7.7 m、宽度1.22 m、高度1.9 m的Boomer H104型凿岩台车;1990年国际圆粒金刚石有限公司研制出长度10 m、宽度1.5 m、高度2.0 m的Mini-master凿岩台车。
本文针对国内某矿山的赋存条件,提出急倾斜薄矿脉浅孔留矿法机械化开采工艺,基于此工艺和现场条件确定微型凿岩台车的主要技术参数和整机方案,并对作业空间和稳定性进行模拟分析,最后通过厂内测试和采场试验验证该设备的可行性,为实现急倾斜薄矿脉留矿法凿岩工序机械化提供装备支撑。
国内某金属矿矿体为钨锡石英脉,矿脉呈群状分布,矿脉厚度为0.1~0.8 m,平均脉幅为0.42 m,平均倾角为70°,属于典型急倾斜薄细难采矿体。
该矿主要采用浅孔留矿法进行开采,凿岩爆破工艺相对粗放,采场结构参数局部偏大,回采过程中存在爆破块度不均匀、平场困难、劳动强度高、出矿困难等问题,严重影响开采的安全与效率,回采贫化率为40%~80%,当开采极薄矿体时能达到60%~80%,矿石贫化和损失居高不下,直接影响企业经济效益和长期发展。
针对当前开采过程中存在的问题,对采矿工艺进行优化,采用微型凿岩台车浅孔凿岩,1 m3铲运机出矿,微型撬毛台车辅助平场、撬毛和大块破碎作业。自拉底平巷中上采第一分层开始,自下而上逐层上向凿岩落矿,从无底柱平底结构各进路协同出矿,出矿后平场至矿堆平整,完成撬毛排险后,凿岩台车在矿堆上开始下一循环凿岩作业,浅孔留矿法机械化开采工艺如图1所示。通过应用微型凿岩台车等装备,降低劳动强度和开采贫化损失率,提高生产效率,解决施工人员长期暴露在无支护结构的破碎岩体下作业的安全问题,实现急倾斜极薄破碎矿脉的机械化开采。
由于采场狭小,且矿脉倾角多变,为了适应采场的特殊环境,保证微型凿岩台车的灵活性、通过性和作业稳定性,按以下原则[16]进行设计。
(1)整机宽度限定在800 mm以内,为了保证设备在矿堆上的通过性,采用静液压驱动的履带底盘,可以降低整机重心和高度,且复杂环境的通过性较轮式铰接底盘要好。
(2)采用多自由度高适应性臂架系统,满足狭小空间臂架姿态调整和炮孔定位的要求。
(3)为便于进罐笼和下井组装,整机采用模块化设计,拆卸组装方便,整体尺寸满足现场罐笼装运尺寸需求。
(4)由于设备进入采场后,左右维护空间有限,为便于后续的维护检修,将电控箱、油泵、液压阀组等集成安装在车体的后部。
(5)要充分考虑电气系统防护等级,可适应高热富水工作环境,保证凿岩作业时整机的可靠性。
综上所述,为了满足该矿急倾斜薄矿脉凿岩作业的要求,微型凿岩台车的主要技术参数见表1。
微型凿岩台车整机采用模块化设计[17],主要由推进器总成和履带底盘总成两大部分组成,推进器总成包含推进梁、推进油缸、摆动油缸、顶撑油缸和液压凿岩机等部件;履带底盘总成由左右履带、履带安装架、支腿、电机泵组、电控柜等组成,如图2所示。实际转场运输时根据罐笼和斜坡道尺寸可对推进器和履带底盘总成进行进一步拆解。
(1)复杂环境下通过性分析。
采场存在欠爆的情况,导致采场断面不规则、空间复杂多变,当采用浅孔留矿法开采时,放矿不均匀也会导致矿堆凹凸不平,影响微型凿岩台车行走转场时的通过性。为了提升设备在采场复杂环境中的适应能力,转场过程中可通过摆动油缸调整推进器总成的姿态,使得设备能够适应采场空间的变化,如图3所示。
由图3可知,当微型凿岩台车在采场中遇到欠爆等特殊情况影响通过性时,可向左或右偏摆推进器避开障碍物,左右最大偏摆角度为70°,满足狭小空间行走转场的要求。
(2)小采幅空间凿岩作业分析。
微型凿岩台车转场到采场后,设备沿矿体走向布置,按照“立机→定位→凿岩→移机→立机→定位→凿岩”的模式进行循环作业,直至完成整个采场的炮孔凿岩。
为了降低炸药单耗及减少爆破后采场壁面的超欠爆现象,采场采用矩形+间隔空孔的布孔方式[18],如图4所示,通过微型凿岩台车钻凿上向倾斜浅孔。为了提升凿岩效率,要求一次定位完成一排2个炮孔的钻凿,凿岩台车最小靠帮距不大于200 mm。
为了实现微型凿岩台车在小采幅狭小空间精确凿岩定位的要求,在推进器总成上设置4个自由度(3个旋转自由度和1个平移自由度),通过单个自由度动作或者多个自由度复合动作实现快速凿岩定位,如图5所示。
各个自由度的功能如下。
① 自由度F3主要用于凿岩作业完成后收机及设备在采场中立机。
② 自由度F2和自由度F4均可单独驱动推进器调整定位角度,自由度F2主要用于左右摆动调整推进器的横向位置,自由度F4主要用于调整炮孔倾斜角度,自由度F2和自由度F4的复合动作则可实现推进器的左右平动定位,满足一次定位完成一排2个炮孔的钻凿,如图6所示。
③ 自由度 F1 用于左右摆动调整推进器的位置,自由度 F4、F1复合动作可调整推进器的靠帮距。
④ 4个自由度相互配合可满足狭小空间的作业要求,以垂直孔为例,可覆盖1 560 mm×600 mm的作业范围,如图7所示。
在急倾斜薄矿脉中采用浅孔留矿采矿法开采时,每次放矿后留矿堆高低不平,因此,设备在采场复杂条件下的行驶及作业稳定性至关重要。
(1)行驶稳定性分析。
平路行驶时,速度相对较快,考虑到行驶过程中的加减速及停止时的惯性冲击,设备的重心应尽可能在设备中心位置。通过计算分析,设备实际的重心位置如图8所示,基本处于中心位置,满足使用要求。
当在16°坡行驶时,无论下坡还是上坡,速度一般较慢,为了保证设备行走过程中的稳定性,应尽可能使设备的重心远离倾翻支点,通过计算分析,设备实际的重心位置如图9所示,离倾翻支点的距离满足使用要求。
(2)作业稳定性分析。
在采场中,当前后支腿伸出触地机身调平后,通过自由度F3进行立机,当推进器往前摆正达到最大前摆位置后,设备在纵向上对稳定性要求最高,当自由度F1左右侧向摆动90°时,设备在横向上对稳定性要求最高。通过计算分析,设备实际的重心位置如图10所示,离倾翻支点的距离满足使用要求。
本文通过采用履带底盘静液压行驶驱动系统实现原地转向功能,从而极大提升设备在狭小采场或小断面巷道转场移机时的适应性。
履带底盘原地转向过程如图11所示。履带接地长度L,轨距B,履带板宽b。当一条履带正转,另外一条履带等速反转时,便实现了原地转向。
(1) 原地转向阻力矩[19]
由于履带底盘原地转向运动较复杂,为简化分析,本文设计时不考虑转向过程中的离心力、侧向刮土阻力和履带的内阻力。转向阻力矩为履带板上所有与地面接触点的摩擦力f对底盘转向中心O产生的阻碍底盘转向的作用力矩的总和。
原地转向过程产生转向阻力的地面对履带板作用力分布如图11所示。设履带底盘接地比压为p0,转向阻力沿y向积分得到转向阻力矩MR,采用下式进行计算。
式中:MR为转向阻力矩,N·m;μ为履带与地面的阻力系数;G为设备质量,N;L为履带接地长度,m;M0为单个履带转向的阻力矩,N·m;x1、y1为转向阻力沿x、y方向的积分。
将行驶系统设计参数(见表2)数值代入式(2),计算可得MR=5 760 N·m。
要实现原地转向,牵引力矩MT须大于转向阻力矩MR,原地转向时,两条履带的牵引力大小相等方向相反,设为F,则F1=F2=F。
本文行驶系统采用静液压驱动,整机最大牵引力矩MT计算过程如下。
液压马达最大额定输出扭矩Mm:
驱动轮的最大输出扭矩Mq:
一条履带的最大牵引力F:
整机最大牵引力矩MT:
将表2数值代入式(3)至式(6),计算可得MT=7 361.3 N·m。
由上述计算可知,整机最大牵引力矩MT大于转向阻力矩MR,满足设备原地转向的要求。
微型凿岩台车液压系统主要由回转液压回路、推进冲击液压回路和行走辅助液压回路3部分组成,如图12所示。其中,回转液压回路、推进冲击液压回路用于作业过程中钎杆的旋进、推进和冲击,实现安全高效凿岩;行走辅助液压回路用于转场移机、整机调平和钻臂姿态的调整,实现炮孔定位,如图13所示。
根据急倾斜薄矿脉机械化开采的要求,在厂内搭建了模拟巷道和斜坡,进行了快慢速行驶、原地转向、爬坡、制动、推进力、巷道通过性及凿岩定位等模拟测试,测试结果见表3。由表3可知,微型凿岩台车的各项数据均符合设计标准,满足急倾斜薄矿脉的使用需求。
考虑到转场运输的便捷性,设备整机采用模块化设计,结构紧凑,转场运输状态时的尺寸(长×宽×高)为:3 500 mm×800 mm×1 770 mm,可直接将设备移动至罐笼中整机下井,无需拆解和再组装。设备下井后选择位于-55 m中段的试验采场进行垂直平行孔及扇形孔凿岩测试,炮孔孔径42 mm,孔深1.5 m,通过视距遥控的方式控制凿岩作业,如图14所示。
通过现场的应用发现,微型凿岩台车可满足采场、巷道等狭小空间转场行驶、凿岩定位及作业的需求,在岩石普氏硬度系数f=10时,单孔进尺速度最快可达2.2 m/min,人工凿岩平均效率为1.35 m/min,设备凿岩效率为1.69 m/min,综合凿岩效率比人工凿岩效率提升25%以上。同时,通过视距遥控实现了作业人员远离危险空区,降低了作业的安全风险,可满足急倾斜薄矿脉机械化开采的实际工程应用。采矿工艺优化前后的技术指标对比分析见表4。
急倾斜薄矿脉浅孔留矿采矿法开采机械化程度较低,多为狭小空间内人工手持风动凿岩机进行凿岩作业,劳动强度大、安全风险高,本文通过研发新型微型凿岩台车和应用视距遥控技术解决凿岩工序的机械化实施难题。以国内某金属矿为工程背景,通过现场实际工程应用主要得出以下结论。
(1)提出了基于微型凿岩台车的急倾斜薄矿脉机械化开采工艺,理论分析了微型凿岩台车在急倾斜薄矿脉狭小空间转场行驶、定位及凿岩作业的可行性,结果表明,4个自由度推进器总成结构可满足凿岩定位的要求,所设计静液压行驶系统满足复杂路况下原地转向的要求。
(2)通过快慢速行驶、原地转向、爬坡、制动、推进力、模拟巷道通过性及凿岩定位等模拟测试,初步验证了微型凿岩台车设计方案的可行性。从试验采场的现场工业应用效果中可以看出,微型凿岩台车单孔进尺速度最快可达2.2 m/min,综合凿岩效率比人工凿岩提升25%以上,同时,视距遥控微型凿岩台车的应用可有效减少作业人数、减小采幅、降低安全风险和提升综合开采效率,可为开采倾角>65°、脉厚<0.8 m的急倾斜薄矿脉机械化改造提供方案参考。
  • 国家重点研发计划项目(2022YFC2903805)
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2025年第45卷第9期
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  • 接收时间:2024-09-26
  • 首发时间:2026-10-28
  • 出版时间:2025-09-25
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  • 收稿日期:2024-09-26
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国家重点研发计划项目(2022YFC2903805)
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    1.湖南创远高新机械有限责任公司,湖南 长沙 410205
    2.安标国家矿用产品安全标志中心有限公司,北京 100013
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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