【作者】 张路军；

【Author】 ZHANG Lu-jun ( Yantai University, Yantai 264005, China)

【机构】 烟台大学机电汽车工程学院；

【摘要】 基于XXJ300／500液压蓄能修井机的组合油缸系统的平均效率最高的原则,设计出了各个力档所起升的最大管柱重量．并利用最小二乘法Cholesky法设计出了组合油缸3个腔室的面积。更多还原

【Abstract】 Based on the highest average system efficiency of the composite oil cylinder of XXJ300/500 hydraulic energy - storing workover rig, the maximum weight of the pipestring was designed which can be lifted under each force grade, and the area of the composite oil cylinder’ s three chamber was designed with Cholesky method.更多还原