电动潜油螺杆泵减速装置优化设计及虚拟建模
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摘要
随着石油工业的发展,井下驱动采油系统得到广泛重视,由于受到管径的限制,实现大扭矩成为国内一直没有彻底解决的难题。该系统需要的是高速电机驱动、大扭矩的螺杆泵输出,所以需要一套减速系统实现增大扭矩、降低转速。本文通过对比分析选择传动比较大的2K-H类双级行星齿轮传动作为螺杆泵井下减速传动装置。论文主要研究内容如下:
根据采油环境的要求进行减速系统方案的设计,确定采用具有径向尺寸小、传动范围大的2K-H类双级行星齿轮传动作为螺杆泵井下驱动装置。
综合考虑螺杆泵定子和转子之间的初始配合过盈量、定子橡胶的热胀以及定子橡胶在油液中溶胀等因素的影响,利用ANSYS有限元分析工具,模拟定子和转子的接触状态,改进了定子和转子之间摩阻扭矩的计算方法,提高了螺杆泵输入扭矩计算精度。
将电动潜油螺杆泵的驱动及传动系统简化为单自由度刚性转子动力学系统,建立了其启动过程动力学仿真模型。分析结果表明,电动潜油螺杆泵减速器输出扭矩的动载系数可选1.6左右,在电动潜油螺杆泵传动系统零部件的结构设计中是不可忽略的因素。
以减速器体积最小为减速器传动参数优化设计的目标函数,综合减速器传动约束与强度约束,建立了减速器传动参数优化设计的数学模型。应用MATLAB优化工具箱完成了φ138mm套管内、传递功率10kW、传动比为10的减速器传动参数的优化设计。
采用ANSYS对减速器关键元件及齿轮啮合接触状态分析,校核零件强度及齿轮在啮合过程中的应力。在其计算结果基础上,最终确定减速系统结构参数并进行三维建模,完成采油管内减速器的设计。
Along with the oil industry development, the mine shaft actuation extraction system obtains wide attention and due to restrictions of the tubing diameter, it has become a problem to increase the torque. The system needs a set of apparatus to increase the torque and to cut down the speed. This article takes 2K-H kind of two-stage planetary transmission through the contrast analysis. The main results are as follows:
According to the extraction environment, 2K-H kind of two-stage planetary transmission has been taken as the screw rod pump mine shaft drive, which has smaller diameter and larger range of the transmission ratio.
Considering all the factors, such as stator and the rotor initial tight, thermal expansion of the stator rubber, swelling expansion of the stator rubber, ANSYS finite element analysis tool has been used to simulate the contact state between the stator and the rotor. Calculation method of the friction torque has been improved and calculation precision has been improved.
Electric submersible screw pump drives and drive system has been simplified to a single degree of freedom rigid rotor dynamics system and established of electric submersible screw pump system dynamic simulation model of the startup process. Analysis results show that the electric submersible screw pump reducer output torque of the dynamic load factor has been around 1.6 optional, and in the electric submersible screw pump drive system components is the structural design of the factors that can not be ignored.
Reducer in the criteria for the design of the smallest, from the center gear and the size of the planetary gear reducer drive and minimum as the optimum design parameters of the objective function, considering constraints and strength reducer transmission constraints, transmission reducer mathematical optimization model has been established .Application of MATLAB optimization toolbox casingψ138mm completed, the power of 10kW, the transmission ratio of the reducer 10 to optimize the design of transmission parameters.
ANSYS has been used as finite element analysis of components to the key parts of the reducer and to check gear contact stress in meshing process stress. In the finite element method based on the results, and structure parameters has been ultimately determined and three-dimensional modeling has been finished .
根据采油环境的要求进行减速系统方案的设计,确定采用具有径向尺寸小、传动范围大的2K-H类双级行星齿轮传动作为螺杆泵井下驱动装置。
综合考虑螺杆泵定子和转子之间的初始配合过盈量、定子橡胶的热胀以及定子橡胶在油液中溶胀等因素的影响,利用ANSYS有限元分析工具,模拟定子和转子的接触状态,改进了定子和转子之间摩阻扭矩的计算方法,提高了螺杆泵输入扭矩计算精度。
将电动潜油螺杆泵的驱动及传动系统简化为单自由度刚性转子动力学系统,建立了其启动过程动力学仿真模型。分析结果表明,电动潜油螺杆泵减速器输出扭矩的动载系数可选1.6左右,在电动潜油螺杆泵传动系统零部件的结构设计中是不可忽略的因素。
以减速器体积最小为减速器传动参数优化设计的目标函数,综合减速器传动约束与强度约束,建立了减速器传动参数优化设计的数学模型。应用MATLAB优化工具箱完成了φ138mm套管内、传递功率10kW、传动比为10的减速器传动参数的优化设计。
采用ANSYS对减速器关键元件及齿轮啮合接触状态分析,校核零件强度及齿轮在啮合过程中的应力。在其计算结果基础上,最终确定减速系统结构参数并进行三维建模,完成采油管内减速器的设计。
Along with the oil industry development, the mine shaft actuation extraction system obtains wide attention and due to restrictions of the tubing diameter, it has become a problem to increase the torque. The system needs a set of apparatus to increase the torque and to cut down the speed. This article takes 2K-H kind of two-stage planetary transmission through the contrast analysis. The main results are as follows:
According to the extraction environment, 2K-H kind of two-stage planetary transmission has been taken as the screw rod pump mine shaft drive, which has smaller diameter and larger range of the transmission ratio.
Considering all the factors, such as stator and the rotor initial tight, thermal expansion of the stator rubber, swelling expansion of the stator rubber, ANSYS finite element analysis tool has been used to simulate the contact state between the stator and the rotor. Calculation method of the friction torque has been improved and calculation precision has been improved.
Electric submersible screw pump drives and drive system has been simplified to a single degree of freedom rigid rotor dynamics system and established of electric submersible screw pump system dynamic simulation model of the startup process. Analysis results show that the electric submersible screw pump reducer output torque of the dynamic load factor has been around 1.6 optional, and in the electric submersible screw pump drive system components is the structural design of the factors that can not be ignored.
Reducer in the criteria for the design of the smallest, from the center gear and the size of the planetary gear reducer drive and minimum as the optimum design parameters of the objective function, considering constraints and strength reducer transmission constraints, transmission reducer mathematical optimization model has been established .Application of MATLAB optimization toolbox casingψ138mm completed, the power of 10kW, the transmission ratio of the reducer 10 to optimize the design of transmission parameters.
ANSYS has been used as finite element analysis of components to the key parts of the reducer and to check gear contact stress in meshing process stress. In the finite element method based on the results, and structure parameters has been ultimately determined and three-dimensional modeling has been finished .
引文
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2 K1ein.S. Enhancements Expand Use of Progressing Cavity Pumps. American Oil and Gas Reporter, 1993, 36 (6):46-48
3 Hott.M. Attributes of Progressing Cavity Pumps Earn Aroval In Market.American Oil and Gas Reporter, 1994, 37 (11):64-67
4 Wright D议Adair R L. Progressive cavity pumps prove more efficient In mature waterflood tests. Oil&Gas Journal, 1993, 91(32):43-47
5廖漠圣.当今国外石油天然气技术装备的发展趋势.石油矿场机械, 2002,31(1):1-6
6王世杰,吕彬彬,李勤.潜油螺杆泵采油系统设计与应用技术分析.沈阳工业大学学报, 2005,27(2)121-125
7 Saveth.K.J, Field Study of Efficiencies Reciprocating and Electric Submersible Pump.Between Progressing Cavity,1993 SPE25448
8 Lea J F,et al. What' s new In artificial lift. World Oil, 2001, 222(3): 72-81
9 Stutzle T, Hoos HH.MAX-MIN ant system and local search for the travelingsalesman problem. In: IEEE lnt’1 Conf Evolutionary Computetion,lndidnapolis: IEEE Press, 1997: 309-314
10 Lee Sq Jung TU, Chung TC. An effective dynamic weighted rule for ant colony system optimization.In:Proc.of the 2001 Congress on Evolutionary Computation Vo12. IEEE Press, 2001:321-325
11 CASIL,LAS J, etc. Learning Cooperatve fuzzy rules using ant Colony optimization algorithms. Technical Repoa-00119, Spaln: Department of Computer Science and Artificial Intellgence: University of Granada, 2000:203-206
12 Dorigo M, Bocabeau E, Theraola G. Ant algorithms and stigmergy. Future GenerationComputer System, 2000, 16: 851-871
13 Rajeev K A. Modular approach toward flexible manufacturing. Integrated Manufacturing Systems, 1998, 34 (7):323-331
14王艳飞.高效采油管内减速系统设计和仿真. [哈尔滨工业大学工学硕士学位论文], 2006:1-5
15王世杰,李勤.潜油螺杆泵采油技术及系统设计.北京:冶金工业出版社, 2006:1-15
16田方,陶柯,姜芳.潜油螺杆泵用进动式减速机的设计与试验.机械传动, 2005:29(1)50-52
17毕凤琴.基于CADDS5的井下螺杆泵用减速器的虚拟设计. [大庆石油学院硕士学位论文], 1999:1-3
18杨伟君.井下驱动螺杆泵采油系统滚柱活齿减速器的研制.[哈尔滨工业大学博士学位论文], 2003: 85-94
19梅思杰,邵永实,刘军.潜油电泵技术.北京:石油工业出版社. 2004:49-57
20饶振刚.行星齿轮传动设计.北京:化学工业出版社, 2003:11-154
21吕彬彬,王世杰,李聪.潜油螺杆泵采油系统转子扭矩求解方法研究.机械设计与制造, 2005:12(1)50-51
22魏继德,师国臣,于波.螺杆泵抽油杆柱负载扭矩计算.石油机械, 1995(23):38-40
23张劲,张士诚.常规螺杆泵定子有限元求解策略.机械工程学报, 2004(5):189-193
24杨秀萍,郭津津.单螺杆泵定子和螺杆的有限元分析.机床与液压, 2007 (3):43-45
25刘涛,杨凤鹏.精通ANSYS.北京:清华大学出版社, 2002:267~280
26姜广彬,崔学政. ANSYS中的扭矩分析.电子机械工程, 2005(21):57-59
27康渊,陈信吉. ANSYS入门.北京:中国电力出版社, 2007:1-23
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