crank counterbalance

基本解釋

On some pumpers, the rotary counterbalance can be adjusted by shifting the position on the crank arms.
在某些抽油機(jī)上，旋轉(zhuǎn)平衡塊可由改變其在曲柄臂上的位置進(jìn)行調(diào)整。
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The pumping units with phased crank counterbalance possess good dynamic characteristics and can save electric energy in a certain degree.
異相型抽油機(jī)具有良好的動力特性和一定的節(jié)能效果，是近幾年來我國發(fā)展較為迅速的一種抽油設(shè)備。
The authors analyze the motion law of the balancing mechanism, the forces on the counterbalance and the torque on the gearreducer crank shaft.
還對平衡機(jī)構(gòu)的運動規(guī)律、平衡塊受力及減速箱曲柄軸扭矩等進(jìn)行了分析。