Compared with the conventional pumping unit power saving effect is obvious.
与常规抽油机相比节电效果明显。
The article introduces systematically the schematic method for the six-bar modification of a conventional pumping unit by use of Stephenson' chain.
系统地介绍了采用斯蒂芬森链对常规型游梁机进行六杆式改造的图解方法。
The conventional pumping unit is still the main pumping unit in the field at present, the main reason is that its structure is simple, operation and maintain are convenience, and its use life is long.
目前各油田的抽油设备主要仍为常规游梁式抽油机，其主要原因是该机结构简单，操作维护方便，使用寿命长。
A dual variable-diameter wheel pumping unit, which has long stroke and low pumping speed and large load capacity, is designed based on conventional beam pumping units.
双变径轮式抽油机是在继承常规游梁式抽油机优点的基础上设计而成的大载荷、长冲程、低冲次节能型抽油机。
Aiming at the problems as the nonlinear factors and the position disturbance in the electro-hydraulic servo loading system of pumping unit, the conventional control method cant attain perfect effect.
抽油机电液伺服加载系统存在非线性和位置扰动引起的准确度问题，传统的控制方法不能达到理想的效果。
Compared with conventional beam pumping unit, the swing-rod beam pumping unit can reduce the maximum crank axle torque markedly, reduce and even eliminate negative crank axle torque.
同常规型游梁式抽油机比较，该机型可以显著降低曲柄输出轴的最大扭矩，减小甚至消除负扭矩，在降低能耗的同时改善了减速箱的受力状况。
The hydraulic beam pumping unit is a new-style pumping unit that combines the advantages of both the conventional beam pumping unit and the hydraulic pumping unit.
液压游梁式抽油机是结合液压抽油机与常规游梁式抽油机优点而研制的一种新型抽油机。
The force conditions of the chain on a chain drive pumping unit without reverse rack are much more favorable than that on conventional chain drive pumping units, and can be well controlled.
无换向架链条抽油机的链条承受的总拉力为悬点载荷与平衡重的差值加连杆对链条的水平分力在链条上形成的附加拉力之和，受力状况优于普通链条抽油机，且能得到控制。
The product is an ideal pumping unit to replace conventional beam pumping unit.
该产品是一种理想的抽油机，以取代传统的游梁式抽油机。
The product is an ideal pumping unit to replace conventional beam pumping unit.
该产品是一种理想的抽油机，以取代传统的游梁式抽油机。
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