In order to achieve the digitization and intelligence of rotary drilling in surface mines,a more accurate and re-liable digital drilling and automatic lithology identification technology was developed,which includes both hardware and soft-ware system. The hardware consists of a positioning,navigation and lithology perception terminal system,and a wireless data transmission system. The terminal system mainly consists of GPS OEM board,Programmable Logic Controller and sensors of measuring major parameters,and and a wireless data transmission system combines digital blasting platform and wireless trans-mission facilities. The software includes the navigation software of locating blast holes using LabView and VC++,and the blast-hole network design software using AutoCAD ActiveX (C#) technologies. This new technology is applied in Jiangxi Dexing Copper Mine,initially realizing the digitization of drilling and lithology identification in blasting zone.%为实现露天矿山爆破钻孔作业数字化和智能化,开发了一套更加精确、更加可靠的钻孔数字化与钻孔岩性自动识别技术,包括硬件和软件两个方面. 硬件包括安装在钻机上的钻孔搜寻定位和钻孔岩性感知终端系统,以及矿区无线数据传输系统. 终端系统主要由GPS OEM板卡、PLC控制器、钻机主要工作参数传感器组成;数据传输系统由数字化爆破设计平台、矿区专用无线传输设施组成. 开发的软件包括采用LabVIEW和VC++编程的定位寻孔软件,基于C#语言调用AutoCAD接口编程开发地质地形图匹配的爆破孔网设计软件. 该项新技术应用于江西德兴铜矿,初步实现了钻孔作业和爆区岩性识别的数字化.
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