Wire passing screw drill and wire passing method

The invention relates to a drilling tool and a wire passing method, belongs to the technical field of drilling, and particularly relates to a wire passing screw drill and a wire passing method. The problem that a power source and a signal penetrate through a screw motor in a wired mode is solved in a center wire passing mode, and simultaneous transmission of the power source and the signal is achieved. The wire passing screw drill is suitable for a rotary steering system and other underground control and detection systems, and signals and electric power can be transmitted at the same time whena circuit passes through the screw motor. A function of penetrating through the screw motor in a wired mode is provided for the electric power and signal transmission of an underground control system, and meanwhile, the rotating torque of the underground control system and the drilling speed of a drilling machine are improved. 本发明涉及一种钻具及过线方法，属于钻探技术领域，具体是涉及一种过线螺杆钻具及过线方法。本发明通过中心过线方式解决了电源和信号有线穿过螺杆马达的难题，实现了电源和信号的同时传递。适用于旋转导向