管道内检测器皮碗过盈量对其力学行为的影响
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摘要
为了研究管道内检测器皮碗过盈量对皮碗力学行为的影响,以直径为800 mm的管道的内检测器皮碗为研究对象,分析聚氨酯材料的力学特性,建立用于分析管道内检测器皮碗过盈量的二维轴对称有限元模型。通过计算分析,得到了皮碗过盈量为0～10%时,唇缘接触应力、唇缘接触长度、夹持端角度、唇缘角度、皮碗折点内外侧应力的变化趋势,并拟合得到了过盈量与上述参数之间的关系。结果表明:随着皮碗过盈量增加,皮碗唇缘应力趋势由指数下降趋势逐渐转化为线性下降趋势;皮碗唇缘接触长度、夹持端角度的增长速率随皮碗过盈量增大而快速增加;折点内外侧应力增长速率均随皮碗过盈量增大而减小;皮碗唇缘角度随着皮碗过盈量增大而线性减小。(图8,参23)
In order to investigate the influence of cup interference on its mechanical behavior, the cups for DN800 pipeline was taken as the research object. By analyzing the mechanical properties of the polyurethane material, a two-dimensional axisymmetric finite element model of the cup was established for analyzing the cup interference of Pigs. Through the calculation and analysis, the change trends of lip contact stress, lip contact length, the clamping end angle, the lip angle and the stress in the inner and outer of the turn were obtained in the interference at 0-10%. At the same time, the relationship between the interference and the above parameters were obtained by fitting. The research shows that the downward trend of the lip stress gradually changes from exponential decline to linear decline as the cup interference increases; the growth rates of the lip contact length and the clamping end angle increase rapidly with the cup interference increases; the growth rates of the inner and outer stresses of the turn both decreases as the interference increases; the lip angle decreases linearly with the increase of the cup interference.(8 Figures, 23 References)
In order to investigate the influence of cup interference on its mechanical behavior, the cups for DN800 pipeline was taken as the research object. By analyzing the mechanical properties of the polyurethane material, a two-dimensional axisymmetric finite element model of the cup was established for analyzing the cup interference of Pigs. Through the calculation and analysis, the change trends of lip contact stress, lip contact length, the clamping end angle, the lip angle and the stress in the inner and outer of the turn were obtained in the interference at 0-10%. At the same time, the relationship between the interference and the above parameters were obtained by fitting. The research shows that the downward trend of the lip stress gradually changes from exponential decline to linear decline as the cup interference increases; the growth rates of the lip contact length and the clamping end angle increase rapidly with the cup interference increases; the growth rates of the inner and outer stresses of the turn both decreases as the interference increases; the lip angle decreases linearly with the increase of the cup interference.(8 Figures, 23 References)
引文
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[22]李雪冰,危银涛.一种改进的Yeoh超弹性材料本构模型[J].工程力学,2016,33(12):38-43.LI X B,WEI Y T.An improved Yeoh constitutive model for hyperelastic material[J].Engineering Mechanics,2016,33(12):38-43.
[23]RIVLIN R S,SAUNDERS D W.Large elastic deformations of isotropic materials.VII.Experiments on the deformation of rubber[J].Philosophical Transactions of the Royal Society of London,1951,243(865):251-288.
[2]刘清友.油气管道机器人技术现状及发展趋势[J].西华大学学报(自然科学版),2016,35(1):1-6.LIU Q Y.Research status and development tendency of the oil and gas in-pipe robot[J].Journal of Xihua University(Natural Science),2016,35(1):1-6.
[3]杨理践,申晗,高松巍,等.管道内检测器低频跟踪定位方法[J].油气储运,2018,37(6):613-619.YANG L J,SHEN H,GAO S W,et al.Low-frequency tracking and positioning method for pipeline internal detector[J].Oil&Gas Storage and Transportation,2018,37(6):613-619.
[4]唐东林,魏子兵,潘峰,等.基于PCA和SVM的管道腐蚀超声内检测[J].传感技术学报,2018,31(7):64-69.TANG D L,WEI Z B,PAN F,et al.Ultrasonic internal detection of pipeline corrosion based on PCA and SVM[J].Chinese Journal of Sensors and Actuators,2018,31(7):64-69.
[5]卢泓方,吴晓南,ISEIEY T,等.国外天然气管道检测技术现状及启示[J].天然气工业,2018,38(2):103-111.LU H F,WU X N,ISELEY T,et al.The status quo of natural gas line pipe inspection technologies abroad and its implications for China[J].Natural Gas Industry,2018,38(2):103-111.
[6]朱霄霄,张仕民,李晓龙,等.可调速清管器速度控制装置设计与研究进展[J].油气储运,2014,33(9):922-927.ZHU X X,ZHANG S M,LI X L,et al.Research and design progress of speed control device of adjustable-speed pig[J].Oil&Gas Storage and Transportation,2014,33(9):922-927.
[7]杨理践,赵洋,高松巍.输气管道内检测器压力-速度模型及速度调整策略[J].仪器仪表学报,2012,33(11):2407-2413.YANG L J,ZHAO Y,GAO S W.Pressure-velocity model and speed adjustment strategy for in-pipe detector in gas pipeline[J].Chinese Journal of Scientific Instrument,2012,33(11):2407-2413.
[8]邱红辉,王海明,孙巍,等.清管器跟踪定位技术发展现状与趋势[J].油气储运,2015,34(10):1033-1037.QIU H H,WANG H M,SUN W,et al.Present and future development of pig tracing and positioning techniques[J].Oil&Gas Storage and Transportation,2015,34(10):1033-1037.
[9]单少卿,陈世利,靳世久,等.高清晰度三轴管道内检测器漏磁数据采集系统[J].传感器与微系统,2012,31(5):118-121.SHAN S Q,CHEN S L,JIN S J,et al.Data acquisition system for three-axis high definition pipeline inspection tool[J].Transducer and Microsystem Technologies,2012,31(5):118-121.
[10]郭晓婷,宋华东,董刚,等.涡流检测技术在管道通径器中的应用研究[J].管道技术与设备,2014(6):15-20.GUO X T,SONG H D,DONG G,et al.Application of eddy current testing in the pipeline caliper[J].Pipeline Technique and Equipment,2014(6):15-20.
[11]诸海博,徐晓甲,宋华东,等.管道内检测技术及系统发展综述[J].管道技术与设备,2018(3):25-28.ZHU H B,XU X J,SONG H D,et al.Review of in-pipe inspection technology and system development in pipeline[J].Pipeline Technique and Equipment,2018(3):25-28.
[12]ZHANG H,ZHANG S,LIU S H,et al.Measurement and analysis of friction and dynamic characteristics of PIG’s sealing disc passing through girth weld in oil and gas pipeline[J].Measurement,2015,64:112-122.
[13]赵旗.泄流清管器清蜡模拟计算的研究[J].北京石油化工学院学报,2018,26(3):21-25.ZHAO Q.Study on simulation calculation of discharge pigging[J].Journal of Beijing Institute of Petrochemical Technology,2018,26(3):21-25.
[14]陈浩,付来强,吴文科,等.皮碗不同唇长和工作压差时接触性能研究[J].机械设计与制造,2018(11):45-48.CHEN H,FU L Q,WU W K,et al.Study on the contact performance of pig’s sealing disc in different lip length and working pressure[J].Machinery Design&Manufacture,2018(11):45-48.
[15]MIRSHAMSI M,RAFEEYAN M.Dynamic analysis and simulation of long pig in gas pipeline[J].Journal of Natural Gas Science and Engineering,2015,23:294-303.
[16]MIRSHAMSI M,RAFEEYAN M.Dynamic analysis of pig through two and three dimensional gas pipeline[J].Journal of Applied Fluid Mechanics,2015,8(1):43-54.
[17]戴斌,陶志钧.皮碗式清管器的磨损和长度特性研究[J].上海煤气,2008(2):6-9.D A I B,T A O Z J.R e s e a r c h o n a b r a s i o n a n d l e n g t h characteristics of leather cup type pig[J].Shanghai Gas,2008(2):6-9.
[18]TAN G B,WANG D G,LIU S H,et al.Probing tribological properties of waxy oil in pipeline pigging with fluorescence technique[J].Tribology International,2014,71:26-37.
[19]谭桂斌,范清,谭锋,等.重大装备橡塑密封系统摩擦学进展与发展趋势[J].摩擦学学报,2016,36(5):659-666.TAN G B,FAN Q,TAN F,et al.Advances in tribology on elastomer sealing and its future trends for the huge machinery[J].Tribology,2016,36(5):659-666.
[20]谭桂斌,王德国.长输管道智能机器人摩擦学系统研究进展[J].油气储运,2016,35(6):583-590.TAN G B,WANG D G.Review on the tribological system of intelligent robots for long-distance pipelines[J].Oil&Gas Storage and Transportation,2016,35(6):583-590.
[21]ZHU X X,ZHANG S M,LI X L,et al.Numerical simulation of contact force on bi-directional pig in gas pipeline:At the early stage of pigging[J].Journal of Natural Gas Science and Engineering,2015,23:127-138.
[22]李雪冰,危银涛.一种改进的Yeoh超弹性材料本构模型[J].工程力学,2016,33(12):38-43.LI X B,WEI Y T.An improved Yeoh constitutive model for hyperelastic material[J].Engineering Mechanics,2016,33(12):38-43.
[23]RIVLIN R S,SAUNDERS D W.Large elastic deformations of isotropic materials.VII.Experiments on the deformation of rubber[J].Philosophical Transactions of the Royal Society of London,1951,243(865):251-288.