Drilling high holes for drilling rig based on complicated working conditions underground coal mine

摘要

In order to improve the performance of the current goods handling equipment for the airplane, a drilling rig is designed to meet with the complicated working conditions. Meanwhile the drilling rig can be applied in the operation of gas drainage for the high holes underground coal mine. According to the actual working conditions on the operation of gas drainage for medium or thick coal seam, the drilling rig for drilling high holes is designed based on the structure and working principle of the current drilling rig, and the hydraulic power unit is arranged separately, and 2 two-stage telescopic hydraulic cylinders are controlled respectively to adjust the height of drilling hole and the dip angle of drilling hole. Furthermore the characteristics of the supporting speed is simulated and analyzed with AMESim, thus the results show that the drilling rig can satisfy the requirement of drilling high holes and goods handling equipment for the airplane.