黄金科学技术 ›› 2024, Vol. 32 ›› Issue (1): 91-99.doi: 10.11872/j.issn.1005-2518.2024.01.112
摘要:
以悬臂式掘进机为主的机械开挖是实现金属矿山连续化开采、推动智能矿山建设的重要手段,截齿截割角度是影响截齿受力情况的重要参数,从而影响掘进机掘进效率。为了优化截齿参数,采用Rhino软件和PFC3D软件建立了截齿截割岩石模型,在对试验数据进行验证的基础上,开展了不同截割角度(45°、50°、55°、60°和65°)下截齿截割花岗岩数值模拟试验研究。结果表明:基于PFC3D软件的截齿模拟试验具有可靠的精度,模拟试验与室内试验结果之间的相对误差分别为13.59%和16.92%。同时,不同截割角度下截齿的受力情况不同,在55°时截齿截割角度能够得到较好的改善。
中图分类号:
Bao R H, Zhang L C, Yao Q Y,et al,2011.Estimating the peak indentation force of the edge chipping of rocks using single point-attack pick[J].Rock Mechanics and Rock Engineering,44(3):339-347. | |
Bilgin N, Demircin M A, Copur H,et al,2006.Dominant rock properties affecting the performance of conical picks and the comparison of some experimental and theoretical results[J].International Journal of Rock Mechanics and Mining Sciences,43(1):139-156. | |
Deisman N, Mas Ivars D, Pierce M,2008.PFC2D smooth joint contact model numerical experiments[C]//Proceedings of GeoEdmonton’08.Edmonton,Canada:GeoEdmonton’08 Organizing Committee: 83-87. | |
He Xingchuan,2023.Simulation Study on the Automatic Cutting Control of Boom-type Roadheader[D].Huainan:Anhui University of Science and Technology. | |
He Yang, Jiang Jiayang,2023.Structural design and stress analysis of carbide cutting tips for mining machinery[J].Cemented Carbides,40(2):117-125. | |
Huang Chen, Li Jiangteng, Zhao Yuan,et al,2022.Optimization of blasting parameters for Dongguashan copper minebased on PFC2D [J].Mining and Metallurgical Engineering,42(1):1-4. | |
Ji Chaoyue, Kaibo Lü, Yuan Hongbing,et al,2018.Dynamic analysis on coal cutting of roadheader considering wear of picks[J].Mining Research and Development,38(4):100-103. | |
Ji Yujie, Cao Xuetao,2013.Study on pick cutting coal and rock by DEM simulation method[J].Mining Research and Development,33(2):84-87,117. | |
Jia Jia, Wang Yiliang, Yang Zhaojian,et al,2017.Force analysis of conical pick in coal cutting at different cutting depths[J].Coal Engineering,49(9):122-125,129. | |
Labra C, Rojek J, Onate E,2017.Discrete/finite element modelling of rock cutting with a TBM disc cutter[J].Rock Mechanics and Rock Engineering,50:621-638. | |
Li Qiang, Mao Jun, Zhang Mingyu,2017.Experimental study of cutting resistance of cutting teeth under different condition of shearer[J].Journal of Nanjing University of Science and Technology,41(2):159-164. | |
Li Yongbo, Long Wei, Wang Lichang,et al,2022.Construction of high temperature and high pressure deep drilling model based on PEC3D[J].Equipment for Geotechnical Engineering,23(5):17-23. | |
Liao S M, Peng F L, Shen S L,2008.Analysis of shearing effect on tunnel induced by load transfer along longitudinal direction[J].Tunnelling and Underground Space Technology,23(4):421-430. | |
Liu Bin, Li Xuefeng,2023.Experimental study on the influence of cutting distance on the rock-breaking features of pick-shaped cutter[J].Journal of Mine Automation,49(8):155-164. | |
Liu Songyong, Du Changlong, Cui Xinxia,2009.Experimental research on picks arrangement of shearer drum[J].Journal of Central South University(Science and Technology),40(5):1281-1287. | |
Liu Weihuang,2015.Simulation of Cutting Coal Rock with a Cutting Head[D].Taiyuan:Taiyuan University of Technology. | |
Shi Chong, Xu Weiya,2015.Numerical Simulation Techniques and Practices for Particulate Flow[M].Beijing:China Architecture and Building Press. | |
Tian Tingyu, He Bing, Wang Shujing,et al,2018.Microscomic numerical study for mechanism of seguential fraamentation by concial picks and correspondino cutter spacing optimization[J].Mining and Metallurgical Engineering,38(3):30-24. | |
Tian Zhigang,2020.Application of cantilever roadheader in Fankou lead-zinc mine[J].Mining Technology,20(1):129-130. | |
Wang Dongyi, Li Xibing, Li Chongjin,et al,2020.Mechanism of surface subsidence caused by underground mining[J].Mining and Metallurgical Engineering,40(1):16-21. | |
Wang Yubo,2021.Research on Coupled Continuum-Discrete Analysis Method and Damage Characteristics of Rock Pillar in Deeply Buried Small Spacing Roadway[D].Hefei:Hefei University of Technology. | |
Wu Aixiang, Wang Yong, Zhang Minzhe,et al,2021.New development and prospect of key technology in underground mining of metal mines[J].Metal Mine,50(1):1-13. | |
Wu Peng, Wan Lirong, Lu Zhenguo,2021.Study on mechanical properties and damage of the broken coal rock with cutting pick[J].Mining Research and Development,41(6):143-148. | |
Yang S Q, Huang Y H, Jing H W,et al,2014.Discrete element modeling on fracture coalescence behavior of red sandstone containing two unparallel fissures under uniaxial compression[J].Engineering Geology,178:28-48. | |
Zhang Liyuan,2019.Analysis of Thermal-mechanical Characteristics of Coal Rock Cutting Picks[D].Fuxin:Liaoning Technical University. | |
Zhang Ning, Yang Li, Shi Ming,et al,2014.Study on wear-resistant strengthen of plasma arc surfacing for tunneling machine pick[J].Hot Working Technology,43(3):167-169,173. | |
Zhang Xin, Gao Qingli, Li Xu,et al,2021.Effects of rock fracture on rock breaking by pick of roadheader[J].Mining Research and Development,41(3):126-130. | |
Zhao Fujun, Li Xibing, Feng Tao,et al,2004.A new multifunctional testing device for rock fragmentation[J].Journal of Central South University(Science and Technology),35(4):651-656. | |
Zhou Yu, Wu Shunchuan, Jiao Jianjin,et al,2011.Research on mesomechanical parameters of rock and soil mass based on BP neural network[J].Rock and Soil Mechanics,32(12):3821-3826. | |
何兴川,2023.悬臂式掘进机自动截割控制仿真研究[D].淮南:安徽理工大学. | |
何炀,江佳阳,2023.采掘机械用截齿合金结构设计及应力分析[J].硬质合金,40(2):117-125. | |
黄尘,李江腾,赵远,等,2022.基于PFC2D的冬瓜山铜矿爆破参数优化[J].矿冶工程,42(1):1-4. | |
籍超越,吕凯波,袁红兵,等,2018.考虑磨损的掘进机截齿割煤动力学分析[J].矿业研究与开发,38(4):100-103. | |
纪玉杰,曹学涛,2013.截齿截割煤岩的离散元法仿真方法研究[J].矿业研究与开发,33(2):84-87,117. | |
贾嘉,王义亮,杨兆建,等,2017.镐型截齿不同切削厚度下破煤受力分析[J].煤炭工程,49(9):122-125,129. | |
李强,毛君,张明玉,2017.不同工况下采煤机截齿截割阻力实验研究[J].南京理工大学学报,41(2):159-164. | |
李永波,隆威,王李昌,等,2022.基于PFC3D的深地高温高压钻进模型的构建[J].地质装备,23(5):17-23. | |
刘滨,李雪峰,2023.截割间距对镐型截齿破岩特性影响的试验研究[J].工矿自动化,49(8):155-164. | |
刘送永,杜长龙,崔新霞,2009.采煤机滚筒截齿排列的试验研究[J].中南大学学报(自然科学版),40(5):1281-1287. | |
刘炜煌,2015.截割头截割煤岩的模拟[D].太原:太原理工大学. | |
石崇,徐卫亚,2015.颗粒流数值模拟技巧与实践[M].北京:中国建筑工业出版社. | |
田听雨,何冰,王树景,等,2018.截齿顺次破岩机制的细观数值模拟及截线间距优化研究[J].矿冶工程,38(3):30-34. | |
田志刚,2020.悬臂式掘进机在凡口铅锌矿的应用[J].采矿技术,20(1):129-130. | |
王栋毅,李夕兵,黎崇金,等,2020.地下采矿引起地表塌陷机理研究[J].矿冶工程,40(1):16-21. | |
王昱博,2021.深埋小间距巷道连续—离散耦合分析方法与岩柱破损特性研究[D].合肥:合肥工业大学. | |
吴爱祥,王勇,张敏哲,等,2021.金属矿山地下开采关键技术新进展与展望[J].金属矿山,50(1):1-13. | |
吴鹏,万丽荣,逯振国,2021.截齿破碎煤岩力学特性及损伤研究[J].矿业研究与开发,41(6):143-148. | |
张李原,2019.煤岩截割截齿热—力特性分析[D].阜新:辽宁工程技术大学. | |
张宁,杨莉,石明,等,2014.掘进机镐形截齿等离子弧堆焊耐磨强化的研究[J].热加工工艺,43(3):167-169,173. | |
张鑫,高庆利,李旭,等,2021.岩石裂隙对掘进机截齿截割破岩的影响[J].矿业研究与开发,41(3):126-130. | |
赵伏军,李夕兵,冯涛,等,2004.新型多功能岩石破碎试验装置[J].中南大学学报(自然科学版),35(4):651-656. | |
周喻,吴顺川,焦建津,等,2011.基于BP神经网络的岩土体细观力学参数研究[J].岩土力学,32(12):3821-3826. |
[1] | 盛宇航, 裴佃飞, 齐兆军, 荆晓东. 尾砂粒级组成对胶结充填料流变特性与强度的影响[J]. 黄金科学技术, 2024, 32(4): 631-639. |
[2] | 何祥锐, 邱贤阳, 史秀志, 李小元, 支伟, 刘军, 王远来. 基于非线性弹性地基梁的地下矿山充填开采覆岩移动规律研究[J]. 黄金科学技术, 2024, 32(4): 640-653. |
[3] | 胡松涛, 朱庚杰, 张军童, 徐世群, 寇云鹏. 胶东地区黄金矿山细尾砂胶结充填应用研究[J]. 黄金科学技术, 2024, 32(3): 425-436. |
[4] | 虞云林, 侯克鹏, 杨八九, 程涌, 卢泰宏, 张楠楠. 云锡高峰山矿段矿柱回采方案研究[J]. 黄金科学技术, 2024, 32(3): 445-457. |
[5] | 邱泓杰, 邱贤阳, 张舒, 陈辉, 史秀志, 沈文博, 陶铁军, 段武全. 深井高应力环境下束状组合孔拉槽爆破优化研究[J]. 黄金科学技术, 2024, 32(2): 318-329. |
[6] | 徐泽峰, 史秀志, 黄仁东, 丁文智, 陈新. 基于满管输送的充填管路优化研究[J]. 黄金科学技术, 2024, 32(1): 160-169. |
[7] | 吕向东, 李醒. 高深溜井矿石阶段性流动规律对溜井生产的影响[J]. 黄金科学技术, 2024, 32(1): 179-190. |
[8] | 海龙, 鲍荣涛, 谭世林, 房祥龙. 分层尾砂胶结充填体力学特性及优化试验研究[J]. 黄金科学技术, 2023, 31(5): 763-772. |
[9] | 张国栋, 刘佳, 马凤山, 李光, 郭捷. 三山岛金矿海底开采井下沉降特点及影响因素浅析[J]. 黄金科学技术, 2023, 31(5): 785-793. |
[10] | 黄爽, 贾明涛, 鲁芳. 基于启发式遗传算法的地下采场作业计划优化模型[J]. 黄金科学技术, 2023, 31(4): 669-679. |
[11] | 张卫中,袁威,康钦容,夏缘帝,李梦玲. 基于综合权重—模糊物元法的岩溶地区隧道围岩质量评价[J]. 黄金科学技术, 2023, 31(3): 487-496. |
[12] | 刘志祥,晏孟洋,张双侠,熊帅,王凯. 考虑岩石微缺陷影响的损伤本构模型[J]. 黄金科学技术, 2023, 31(3): 507-515. |
[13] | 李杰林,王京瑶,肖益盖,李小双. 不同应力路径下岩石细观力学性能离散元研究[J]. 黄金科学技术, 2023, 31(1): 102-112. |
[14] | 谭宝会,王永定,张志贵,龙卫国,李斌,何建元,龚臻. 复杂开采条件下低品位镍矿安全高效回采方案研究[J]. 黄金科学技术, 2023, 31(1): 88-101. |
[15] | 杨晴,杨仕教,张冉玥. 基于上澄清液浊度的超细尾砂絮凝沉降试验[J]. 黄金科学技术, 2022, 30(6): 948-957. |
|