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综合运用PLC控制技术和交流变频调速技术,研制了大直径钻机控制系统,实现了钻机主机(绞车、转盘)精确调速,以及恒钻压和二位式钻压自动送钻等功能。该控制系统具有整体性能先进、适应性强、维护简单、可靠性高等特点,满足大直径钻机成井和复杂地质构造下钻井的需要。
Comprehensively using PLC control technology and AC variable frequency speed control technology, the control system of large diameter drilling rig was developed, which realizes the precise speed control of the rig main machine (winch and turntable), and the functions of constant pressure and two-bit weight-bit automatic feeding drill. The control system has the characteristics of advanced overall performance, strong adaptability, simple maintenance and high reliability, and meets the needs of drilling with large diameter drilling rigs and complicated geological formations.