抽油机地面能耗分析

抽油机地面能耗分析摘 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与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；调径变矩式英文名称（翻译成英文的毕业设计题目）ABSTRACTIn this paper based on the unique geometry and mechanicalmovement of beam pumping unit,we have presented a simple swing equation and computed motorial parameter;meanwhile under the conditions of the 论 文中所有英文字母全部为 Times New Roman, 行 间距最小值 23 磅。注 意英文的特有格 式，标点、符号 全部为半角，标 点后一般有个半角空格。static load and inertial load of the polished-rod of a conventional pumping unit,we have also presented on equivalent dynamic model of the pumping unit system and the type-curves of net torque of the crankshaft with the characteristic of inertial counterbalance have been computed;Based on features and mechanical analysis of belt ，a simple model for calculating belt transmission efficiency is developed the model can provide a theoretical base for study on the other transient variable of beam pumping unit;the cyclic loading coefficients is defined once and compute the nominal Power of the motor; at last we compare the beam pumping unit and the adjustable diameter and changeable toque pumping unit, based on this a program have been finished，and we also introduce other power saving pumping units.Ke...