Full-section blast hole positioning device and method based on central projection principle

• Main Authors: ZHANG QI, LI XIAOBIN, JIA SUYE, YE XINWEI, LI XIANGCHUN, GAO JIAXING, LIU JIANZHUANG
• Format: Patent
• Language: Chinese; English
• Published: 04.12.2020
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; BLASTING; CINEMATOGRAPHY; ELECTROGRAPHY; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GYROSCOPIC INSTRUMENTS; HEATING; HOLOGRAPHY; LIGHTING; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; MECHANICAL ENGINEERING; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHOTOGRAPHY; PHYSICS; STANDS OR SUPPORTS; SURVEYING; TESTING; THERMAL INSULATION IN GENERAL; WEAPONS

The invention relates to a full-section blast hole positioning device and method based on a central projection principle. The full-section blast hole positioning device is arranged in a rock stratum tunneling roadway or tunnel. Based on the central projection principle, the distance between an enhan...