crank-balanced pumping unit [油气] 曲柄平衡式抽油机
crank-balanced unit 曲柄平衡抽油机
crank balanced pumping unit 曲柄平衡式抽油机
In order to reduce or eliminate such vibration, it must be provided with counter balanced weights that extend radically from the crankshaft centerline in the opposite direction of the crank arms.
为了减少或降低这种震动，需要把平衡重量从曲轴中心线沿着曲轴臂相反方向安置其上。
The crankshafts shown in Fig 1-4 is actually made up of various parts such as main bearing journals, rod journal, crank arm, bearing, counter balanced weight and flywheel end.
在图1-4中，曲轴实际上由以下不同的部分组成，它们分别是：主轴承轴颈、连杆轴颈、曲轴臂、轴承、平衡配量（？）以及飞轮端。
It is located on a rotary crank on a crank-balanced pumper and can also be located on the walking beam on the end opposite the well on a beam balanced pumper.
在曲柄平衡抽油机上平衡块位于旋转的曲柄上，而在游梁平衡抽油机上平衡块位于井的相对一端的游梁上。
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