登录    |    注册

您好,欢迎来到中国测试科技资讯平台!

在线投稿专家审稿编辑办公咨询评价
首页>《中国测试》期刊>本期导读>不同贯入度下TBM盘形组合滚刀切削性能分析

不同贯入度下TBM盘形组合滚刀切削性能分析

417    2019-02-28

¥0.00

全文售价

作者:刘洪斌, 刘石头, 穆伟涛, 牟浩

作者单位:西南石油大学机电工程学院, 四川 成都 610500


关键词:盘形滚刀;ABAQUS;贯入度;切削性能;三向力


摘要:

为研究贯入度对TBM盘形组合滚刀顺次回转切削性能的影响,该文以Drucker-Prager塑性准则、岩石力学和滚刀破岩机理为基础,运用ABAQUS建立刀间距为60 mm的17 in盘形组合滚刀模型,分析不同贯入度下TBM盘形组合滚刀顺次回转破岩的复杂非线性动态响应过程。结果:刀间距一定,组合滚刀顺次回转切削存在一个临界贯入度使破岩区域相交,滚刀间岩石破碎程度最佳,比能耗最小,破岩效率最高;随着贯入度增加,组合滚刀所受三向力大致呈线性递增趋势;组合滚刀切削垂直力与滚动力之比约为4.5,TBM前进推动力约为刀盘旋转扭转力的4.5倍为宜,即需要控制TBM推进速度与刀盘转动速度合适比例关系。


Analysis of cutting performance of TBM disc shaped combined hob with different penetration
LIU Hongbin, LIU Shitou, MU Weitao, MOU Hao
School of Mechanical and Electrical Engineering, Southwest Petroleum University, Chengdu 610500, China
Abstract: In order to study the effect of penetration on the sequentially rotative cutting characteristic of TBM disc combined hob, a numerical model of 17 in disc combined hob with a tool spacing of 60 mm was established and analyzed by the software of ABAQUS based on the theories of the Drucker-Prager plastic criterion, rock mechanics and the rock breaking mechanism in this paper. The nonlinear dynamic responses of the sequential rock crushing processes were obtained under different conditions of penetration by the numerical model. It was found that there is a critical penetration corresponding to a higher extent to the rock breakage effect as well as efficiency and the lower energy consumption when the distance between the cutter and the cutting tool was fixed during the process of the sequential rock crushing. With the increase of penetration, the three directional forces of the combined hob were linearly increased. The ratio of the vertical force to the rolling force of the combined hob reached to nearly 4.5, which indicates that a proper working condition will be appeared by adjusting the forward driving force of TBM to the 4.5 times as much as the rotating torsional force of the cutter disk by the means of control the relationship between the forward moving speed of the TBM and the rotating speed of the cutter disk.
Keywords: disc cutter;ABAQUS;penetration;cutting performance;three direction forces
2019, 45(2):36-41  收稿日期:2018-03-13;收到修改稿日期:2018-04-12
基金项目:四川省科技厅资助项目(2015SZ0008);四川省教育厅资助项目(13ZA0179)
作者简介:刘洪斌(1976-),男,吉林四平市人,副教授,博士,主要从事非开挖刀具组合破岩理论、钻井液固相控制与钻井废弃物处理方面的研究工作
参考文献
[1] 刘洪斌, 穆伟涛, 李萍瑛, 等. 刀圈线型对盾构滚刀破岩效率影响分析[J]. 煤矿机械, 2015, 36(10):125-126
[2] 夏毅敏, 欧阳涛, 陈雷, 等. 盘形滚刀破岩力影响因素研究[J]. 应用基础与工程科学学报, 2012, 20(3):500-506
[3] ENTACHER M, WINTER G, BUMBERGER T, et al. Cutter force measurement on tunnel boring machines-System design[J]. Tunnelling and Underground Space Technology, 2012, 31(11):97-106
[4] BALCI C, TUMAC D. Investigation into the effects of different rocks on rock cuttability by a V-type disc cutter[J]. Tunnelling and Underground Space Technology, 2012, 30(18):183-193
[5] 龚秋明, 何冠文, 赵晓豹, 等. 不同贯入度对掘进机滚刀破岩效率的影响[J]. 现代隧道技术, 2016, 53(1):62-68
[6] 谭青, 徐孜军, 夏毅敏, 等. 2种切削顺序下TBM刀具破岩机理的数值研究[J]. 中南大学学报(自然科学版), 2012, 43(3):940-946
[7] 程永亮. TBM盘形滚刀破岩最优贯入度的数值模拟[J]. 中南大学学报(自然科学版), 2017, 48(4):936-943
[8] MALEKI M R. Rock Joint Rate (RJR); a new method for performance prediction of tunnel boring machines (TBMs) in hard rocks[J]. Tunnelling and Underground Space Technology, 2018, 73(22):261-286
[9] VERGARA I M, SAROGLOU C. Prediction of TBM performance in mixed-face ground conditions[J]. Tunnelling and Underground Space Technology, 2017, 69:116-124
[10] 李辉, 王树林, 汪加科. TBM盘形滚刀受力分析[J]. 现代隧道技术, 2012, 49(3):193-197
[11] 王腾跃. TBM盘型滚刀关键技术及试验装置研制[D]. 沈阳:沈阳建筑大学, 2011.
[12] 张珂, 王腾跃, 孙红, 等. 全断面岩石掘进机盘形滚刀破岩模拟[J]. 沈阳建筑大学学报(自然科学版), 2010, 26(6):1209-1213
[13] 袁超, 唐莉梅, 余立新, 等. 盾构机盘形滚刀刀圈与地层适应性分析[J]. 隧道建设, 2009, 29(增刊1):9-11
[14] 谭青, 易念恩, 夏毅敏, 等. 全断面岩石掘进机滚刀最优刀间距计算公式研究[J]. 岩土力学, 2016, 37(3):883-892
[15] MA H S, GONG Q M, WANG J, et al. Study on the influence of confining stress on TBM performance in granite rock by linear cutting test[J]. Tunnelling and Underground Space Technology, 2016, 57(20):145-150