The steel plate that is attached to the end of the walking beam on a beam pumping unit.
固定于游梁式抽油机游梁端部的钢板。
The steel beam that connects the rotary counterbalance with the walking beam on a beam pumping unit.
在游梁式抽油机上使旋转的平衡块与游梁相连的钢杆。
The method of motion analysis of new type and long stroke pumping unit with vertical walking-beam and pylon was studied.
对新型长冲程抽油机——竖游梁塔架式抽油机的运动分析方法进行了研究，导出了该机悬点位移、速度及加速度的计算公式。
The method of motion analysis of new type and long stroke pumping unit with vertical walking-beam and pylon was studied.
对新型长冲程抽油机——竖游梁塔架式抽油机的运动分析方法进行了研究，导出了该机悬点位移、速度及加速度的计算公式。
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