滚珠丝杠直驱抽油机结构改进及性能分析  

Structure Improvement and Performance Analysis of Ball Screw Direct Drive Pumping Unit

作　　者：杨胡坤[1] 戴永钦 韩佰超 姜民政[1] 常思远 赵鑫瑞 YANG Hukun;DAI Yongqin;HAN Baichao;JIANG Minzheng;CHANG Siyuan;ZHAO Xinrui(School of Mechanical Science and Engineering,Northeast Petroleum University,Daqing Heilongjiang 163318,China)

机构地区：[1]东北石油大学机械科学与工程学院,黑龙江大庆163318

出　　处：《机械设计与研究》2024年第5期182-186,192,共6页Machine Design And Research

摘　　要：目前游梁式抽油机仍是油田机械采油系统中的主力机型,常规游梁式抽油机传动链长,系统效率低、能耗大、安装运输困难。本研究对滚珠丝杠直驱抽油机初始样机进行现场试验,实验结果表明初始样机做功不平衡;针对做工不平衡问题对滚珠丝杠直线驱动抽油机进行结构改进,以求在减少抽油机传动链的基础上,开发一种井口直驱的节能型抽油机。在初始样机的基础上增加气-液两相无动力平衡系统,并针对平衡系统的蓄能器进行选型;基于AMEsim软件建立改进前后抽油机液压仿真模型,针对初始样机悬点载荷进行探究,发现悬点载荷受泵径的影响较大;针对不同泵径对改进前后抽油机的电机工作特性进行探究仿真分析,发现改进后抽油机平衡度达到92.16%~106.24%、节能率达67.2%~73.8%,平衡效果及节能效果显著。At present,the beam pumping unit is still the main model in the oil field mechanical production system.The conventional beam pumping unit has long transmission chain,low system efficiency,large energy consumption and difficulties in installation and transportation.In this study,the field test of an initial prototype of a ball screw direct drive pumping unit is carried out,and the experimental results show that the initial prototype does unbalanced work.In order to reduce the transmission chain of the pumping unit,the structure of the ball screw linear drive pumping unit is improved to develop a type of energy saving pumping unit with direct wellhead drive.On the basis of the initial prototype,a gas-liquid two-phase non-dynamic balance system is added,and the accumulator of the balance system is selected.The hydraulic simulation model of the improved pumping unit is established based on AMEsim software,and the suspension load of the initial prototype is explored,and it is found that the suspension load is significantly affected by the pump diameter.It is found that the balance of the improved pumping unit reaches 92.16%~106.24%and the energy saving rate reaches 67.2%~73.8%.The balancing and energy saving performance are remarkable.

关 键 词：直线驱动 滚珠丝杠副 蓄能器 抽油机 AMESIM 

分 类 号：TE933[石油与天然气工程—石油机械设备]