介绍了利用霍尔传感器测量扭矩的原理及在钻井作业转盘扭矩测量中的应用。
The principle of torque measurement by using Hall transducer and the application of torque measurement of rotary table in drilling jobs are introduced.
本实用新型是一种在钻井过程中测量转盘扭矩的方补芯，属于钻井设备的器具。
The utility model relates to a square bushing for measuring the torsion of a rotary table in the process of drilling Wells, which belongs to an appliance of well drilling equipment.
90年代以来，国内研究制造的大扭矩转盘式工程钻机基本上都采用液压传动方式驱动转盘和卷扬（或提升）系统。
Most rotating chassis and winch (or hoist) systems of domestic drill rigs are driven by hydraulic transmission in the 90's.
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