The rotary and carriage assembly is adapted to apply rotational, thrust and pull-back forces to the drill pipe.
旋转和机架组件用于向钻杆施加旋转、推进和回拉力。
The characteristics of the radical-thrust hybrid floating-ring bearing considering inertia term were studied as the rotor-bearing is working with high rotary speed.
研究了径推动静压浮环轴承在高速运转时，计入迁移惯性项的轴承特性。
The invention provides a horizontal shaft type rotary machine capable of simply feeding oil into thrust bearing devices.
本发明提供一种能够简易地进行向推力轴承装置的供油的横轴式旋转机。
The zero-thrust rotary compensator of the invention has the advantages of good sealing property, high thermal compensation efficiency, and simple and convenient installation and adjustment.
本发明的优点是密封性能好、热补偿效率高，安装调整简便。
The zero-thrust rotary compensator of the invention has the advantages of good sealing property, high thermal compensation efficiency, and simple and convenient installation and adjustment.
本发明的优点是密封性能好、热补偿效率高，安装调整简便。
应用推荐