抽油机地面能耗分析

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1、中国石油大学（华东）本科毕业设计（论文）中国石油大学（华东）毕业设计（论文）抽油机地面能耗分析学生姓名：学号：专业班级：电气工程及其自动化03-2班指导教师：2007年6月20日2中国石油大学（华东）本科毕业设计（论文）摘要本文根据游梁式抽油机四连杆机构的几何关系和运动特点，建立了游梁的摆动方程，并精确计算出游梁式抽油机悬点运动参数；考虑抽油机光杆静载荷和惯性载荷及运动机构的重力和惯性情况，建立了抽油机系统相对曲柄的等效动力学模型，并求出具有动平衡特征的曲柄轴净扭矩；根据抽油机皮带传动特点和力学分析，建立了一种简便的皮带传动效率计算模型，为分析抽油机瞬时工作参数提供了理论支持；重新定义了

2、周期载荷系数计算储电动机额定功率，并以常规游梁式抽油机、调径变矩式抽油机为例，编写计算机程序，实现了重要参数的计算，并绘出关键曲线，由此比较得出了节能抽油机的优点。文中还对其他节能抽油机进行了简要介绍。关键词:速度；加速度；扭矩；周期载荷系数；调径变矩式中国石油大学（华东）本科毕业设计（论文）ABSTRACTInthispaperbasedontheuniquegeometryandmechanicalmovementofbeampumpingunit,wehavepresentedasimpleswingequationandcomputedmotorialparameter;mean

3、whileundertheconditionsofthestaticloadandinertialloadofthepolished-rodofaconventionalpumpingunit,wehavealsopresentedonequivalentdynamicmodelofthepumpingunitsystemandthetype-curvesofnettorqueofthecrankshaftwiththecharacteristicofinertialcounterbalancehavebeencomputed;Basedonfeaturesandmechanicalan

4、alysisofbelt，asimplemodelforcalculatingbelttransmissionefficiencyisdevelopedthemodelcanprovideatheoreticalbaseforstudyontheothertransientvariableofbeampumpingunit;thecyclicloadingcoefficientsisdefinedonceandcomputethenominalPowerofthemotor;atlastwecomparethebeampumpingunitandtheadjustablediameter

5、andchangeabletoquepumpingunit,basedonthisaprogramhavebeenfinished，andwealsointroduceotherpowersavingpumpingunits.Keywords:velocity;acceleration;toque;thecyclicloadingcoefficients;adjustablediameterandchangeabletoquepumpingunit中国石油大学（华东）本科毕业设计（论文）目录第1章前言············································

6、·······························································11．1国内外油田抽油机的现状····································································11．2游梁式抽油机的节能方法····································································1第2章游梁式抽油机地面能耗分析····················································

7、···············22．1游梁式抽油机························································································22．2抽油机悬点运动规律············································································22．2．1游梁摆动方程的建立·