Drilling pump powerend is a group of crank, link mechanism.
钻井泵的动力端是一组曲柄、连杆机构。
2
The powerend :The frame is welded steel-plate construction. It is stress-relieved after welding.
动力端：壳体为钢板焊接结构，焊后消除内应力。
3
Hydraulic dive drilling pump adopts variable hydraulic pump and dynamic cylinder as its powerend and its fluid end is identical with the triplex single acting piston pump.