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- DC drive drilling rig 直流电驱动钻机
- Keywords drilling rig;SCR DC drive;VFD AC drive;electrical motor; 钻机;可控硅直流电驱动;交流变频电驱动;电动机;
- TX Study on Power House 's Craning of Electric Drive Drill Rig 电驱动钻机动力房起吊的研究
- A new AC conversion electric driven drilling rig 新型交流变频电驱动石油钻机
- Control of operation of drill pump with slight pressure fluctuation for electric drive drilling rig 电动钻机实现钻井泵软泵运行的控制技术研究
- Keywords drilling rig;VFD electrical drilling rig;hydraulic disc brack;top drive drilling set; 石油钻机;交流变频电动钻机;液压盘式刹车;顶部驱动钻井装置;
- Keywords closed-loop drilling system;navigational drilling;automatic drilling rig;top drive drilling;directional well;horizontal well;drilling cost;computer control;America; 闭环钻井系统;导向钻井;自动化钻机;顶部驱动钻井;定向井;水平井;钻井费用;计算机控制;美国;
- YG-30 drilling rig is a full hydraulic operated top drive power head drill. 型工程钻机为全液压驱动动力头式钻机。
- Model DQ70BS top drive drilling system (TDDS)is developed based on Model DQ60D and Model DQ60P DC TDDS and Model DQ20Y hydraulic TDDS. 摘要在DQ60D、DQ60P直流电顶驱和DQ20Y液压顶驱的基础上，研制了DQ70BS交流变频顶部驱动钻井装置。
- The rig is equipped with an upper spherical jaw holding mechanism and hexagonal drive drilling rod which can be replaced without shutdown, high efficiency, safe and reliable. 钻机配有上球卡式夹持机构并带有六方主动钻杆,可实行不停机倒杆,工作效率高,安全可靠。
- Motor vibration is a familiar phenomenon in DC drive system. 电机振动是直流传动系统中的一种常见现象。
- AC-SCR-DC mode is the best driving mode for a drilling rig. DC驱动方式是目前钻机最好的驱动传动方式。
- Anti-jamming device for control system of electric drive drilling rigs 电驱动钻机控制系统的抗谐波干扰装置
- Papermaking produce line DC drive system, frequency conversinon drive system. 造纸生产线直流传动系统、变频传动系统。
- MAN300 drilling rig is working in gravel area in West Luntai, Sinkiang. 300型钻机在新疆轮台西砾石区进行地震钻井施工。
- Some remarks on developing technique of drilling rig disc brake in China. 关于发展我国钻机盘式刹车技术的几点认识。
- electric driving drilling rig 电驱动钻机
- Reformation of analogue DC drive system of Cold Strip Plant of Xinyu Iron and Steel Co., Ltd. 新钢冷带厂模拟直流传动系统的改造。
- J.P.M.M.Lamego,C.Dalvi.A Numerical-Based Fuzzy PID Controller Applied To A DC Drive[J].IEEE. 杨公源.;微机在机电一体化传动系统中的应用[M]
- Disc brake system on drilling rigs. 石油钻机盘式刹车制动系统。
