To improve rock drilling skills, you should have the following basic knowledge: First, it is necessary to understand the various rock properties encountered during rock drilling, the rock solidification grading coefficient, the degree of joint fracture development and groundwater conditions, so that they can be treated differently during rock drilling; Second, must be familiar with rock drilling blasting charts and their specific requirements, such as roadway specifications, shape, hole position, angle, spacing, hole depth, etc., and can determine the order of rock drilling sequence; Third, must be familiar with the working principle and performance of the rock drill used and will be repaired in time; Fourth, we must master the mid-line and waistline technology of the working surface, and memorize the relevant specific data. At the same time, we must be familiar with the quality acceptance criteria and specific data of various types of wells and lanes in the Code for Construction Quality Acceptance of Wells and Lanes. 5. Familiar with mastering the brazing technology (opening technology), and master the method of correcting the angle and direction of the eye at any time; Sixth, must work with the same working face multi-machine parallel work points and related processes.
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