The motor car engine crank is one of automobile power unit core components, Its manufacture quality requirement is very high.
汽车发动机曲轴是汽车动力装置的核心零件之一，其制造质量要求很高。
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。
In view that large top torque and negative torque are produced when crank balance (primary balance) is adopted, we present the secondary balance of beam pumping unit.
针对游梁式抽油机在采用曲柄平衡(又称一次平衡)时存在的峰值转矩较大、负转矩严重等现象，提出了有关抽油机的二次平衡问题。
If the pumping unit is unbalanced, the counterweight and the crank balance arm can be adjusted according to the formulas presented in this article.
当抽油机不平衡时，可以按文中的公式调整平衡块和曲柄平衡半径。
The load applied on the crank pin of a beam pumping unit and the failure patterns of the pin are analyzed.
分析了游梁式抽油机曲柄销所受载荷及失效形式。
The crank-chain driving and long stroke pumping unit described in this papes is a new type of pumping unit.
曲柄链条动滑轮式长冲程抽油机是一种新型抽油机。
The tower type belt driven long stroke pumping unit is composed of the crank-linkage-slide mechanism, movable pulley-narrow belt-fixed pulley mechanism and compound drum stroke-increment mechanism.
无游梁塔架式胶带传动长冲程抽油机由曲柄-连杆-滑块机构、动滑轮-窄胶带-定滑轮机构和复合滚筒增程机构组成。
The tower type belt driven long stroke pumping unit is composed of the crank-linkage-slide mechanism, movable pulley-narrow belt-fixed pulley mechanism and compound drum stroke-increment mechanism.
无游梁塔架式胶带传动长冲程抽油机由曲柄-连杆-滑块机构、动滑轮-窄胶带-定滑轮机构和复合滚筒增程机构组成。
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