Drilling track measuring system and method for underground while-drilling of coal mine

Abstract

The invention discloses a drilling track measuring system for underground while-drilling of a coal mine. The system comprises a drilling track acquisition device for collecting drilling track parameters and a drilling track processing device which is communication connection with the drilling track acquisition device; and the drilling track processing device is used for receiving the drilling track parameters sent by the drilling track acquisition device in real time to form a drilling track curve. A drilling track measuring method for underground while-drilling of a coal mine comprises the following steps of: S1. The drilling track acquisition device collects optical signals output by fiber bragg grating that shows the track parameters; and S2. The drilling track processing device receives the optical signals and converts the optical signals into digital electrical signals, and the drilling track processing device recognizes the track parameters and fits and forms the drilling track curve according to the identified track parameters. According to the invention, a pore-forming track for constructing a drilling machine can be measured in real time while drilling, the operation process is simple, the measured data is accurate and reliable, and the system is helpful to improve the drilling and pore-forming quality and enhance the level of disaster prevention and control capabilities of mines.

Description

technical field [0001] The invention relates to the field of underground drilling in coal mines, in particular to a drilling track measurement system and method for underground coal mines while drilling. Background technique [0002] Underground drilling in coal mines Drilling is an important way and basic guarantee for gas disaster control, pressure relief at working faces, water discharge, and geological survey. At this stage, my country's coal mine production enterprises mostly use ordinary rotary drilling rigs for underground drilling construction operations, and use manual measurement of drilling azimuth, inclination and drilling trajectory, which is affected by the quality level of workers, coal seam occurrence and measurement tools, etc. Affected by multiple factors, there is a large deviation between the actual drilling trajectory and the design trajectory, and it is easy to have blank zones in gas drainage, stress concentration, water exploration and discharge drilli...

AI Technical Summary

Problems solved by technology

At this stage, my country's coal mine production enterprises mostly use ordinary rotary drilling rigs for underground drilling construction operations, and use manual measurement of drilling azimuth, inclination and drilling trajectory, which is affected by the quality level of workers, coal seam occurrence and measurement tools, etc. Affected by multiple factors, there is a large deviation between the actual drilling trajectory and the design trajectory, and it is easy to have blank zones in gas drainage, stress concentration, water exploration and discharge drilling that has not been constructed to the design area, and geological survey drilling results are unclear. hidden dangers, which will have a serious impact on mine safety production, and even cause safety accidents

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