国内外土壤环境调查声波钻机研究进展及发展探讨

Research progress and development discussion on sonic drilling rigs for soil environmental investigation at home and abroad

主要论述了声波钻进技术在理论以及应用方面的研究进展。阐述了声波钻进技术的发展历程;其次调研并对比了国内外声波钻机代表机型,分析得出国内同类钻机存在的不足。分析了声波钻机在土壤环境调查中的应用,可满足不同地层的连续完整原位弱扰动采样要求。探讨了声波钻机研发方向,如高频声波动力头双振子结构和复合橡胶减振材料的研发,以稳定达标150 Hz高振频并增强动力头寿命;抗疲劳、抗冲击铬钼合金材料的研发,以解决高振频下钻具疲劳损伤问题;故障诊断识别和自动修复、远程无人化操作和挥发性有机污染物在线监测系统的研发,以提升高频声波钻机的智能化和自动化水平。

The research progress on sonic drilling technology in theory and application is discussed.Firstly,the development history of sonic drilling technology is described.Secondly,the typical sonic drilling rigs at home and abroad are investigated and compared with analysis of the shortcomings of domestic sonic drilling rigs.Thirdly,analysis of the application of sonic drilling rigs in soil environmental investigation show that they can meet the requirement for continuous,complete and in‑situ weak disturbance sampling of different soil layers.Finally,the research and development direction of sonic drilling rigs are discussed,including development of the high‑frequency sonic power head with the dual vibrator structure and the composite rubber damping material to stabilize the high frequency of 150 Hz and prolong the life of the power head,development of anti‑fatigue and anti‑impact chromium‑molybdenum alloy materials to solve the fatigue damage of drilling tools at high vibration frequencies,development of the malfunction diagnosis and auto‑repair,remote operation and control,and volatile organic compound online monitoring systems to improve the intelligence and automation level of high‑frequency sonic drilling rigs.