The invention discloses a device and method capable of measuring the drilling depth of a hydraulic
drill carriage. The device comprises a
drill bit, a
drill pipe, a gripper, a gripper opening cylinderoil inlet
pipe, a guide rail, a propulsion cylinder,
rare earth magnets, a hydraulic chuck, a hydraulic chuck oil inlet
pipe, a proximity switch, a
gyrator reduction gearbox and a small water adaptersubstitute. The device and method capable of measuring the drilling depth of the hydraulic drill
carriage have the beneficial effects that a drilling rig can accurately
record the drilling depth in real time in the drilling process of the
drill bit, and personnel does not need to
record the number of drill pipes and supervise; the advance and retreat of the
drill pipe are judged by the oil inletpipeline pressure of the hydraulic chuck, the pipeline pressure of the open side of the gripper, the pipeline pressure of the feeding side of an oil cylinder and the pipeline pressure of the retracting side of the oil cylinder, and the
record of the positive and negative values of the
stroke is convenient; the proximity switch is composed of an inductive element and a single-
chip microcomputer, and can sense a plurality of
rare earth magnets for collecting signals so that the proximity switch can record the
stroke when continuously sensing two
rare earth magnets; and the small water adapter substitute is used for ventilation and drainage in the drilling process, and the
punching operation is facilitated for workers.