该文以工程实例为基础,对影响轻便钻机钻进速度问题进行了统计分析、改进和效果检查,并就改进后的轻便钻机在工程中的应用提出了一些想法和体会。 Based on the engineering example, this paper makes statistical analysis, improvement and effect inspection of the impact on the drilling speed of portable rig, and puts forward some ideas and experiences on the application of the improved portable rig in engineering.