The result of analyzing and calculating the running process of down-eccentric barbell pumping unit has been showed that the inertial force of down-eccentric barbell is considerable and then the speed of pumping unit and balanced weight of down-eccentric barbell are important parameters for pumping unit.
下偏杠铃平衡技术对游梁式抽油机的运行可靠性、节能性等具有显著功效,但是下偏杠铃在抽油机运行过程中所产生的惯性力不可忽视。
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