Hongwuhuan HQD70 High Efficiency Simple DTH Drilling Rig

Hongwuhuan hqd70 high efficiency simple dth drilling rigs are a new, highly efficient and extensively applied open-air rock drilling equipment designed by our company, which is extensively suitable for small and medium sized mines and the projects such as communications, national defense, water conservancy and stonework, in particular the rough and rugged terrains and land forms where other drills are unable to operate normally. Hqd series technical parameters                                                                                                                    modelparameters hqd70 hqd100a hqf100 hqj100aelectric hqj100adiesel rock hardness   f=6~20 f=6~20 f=6~20 f=6~20 f=6~20 borehole diameter mm 50~80 68~130 68~130 68~130 68~130 borehole depth m ≥15 ≥20 ≥20 ≥20 ≥20 one-time advance length mm 1000 1000 1000 1000 1000 swing speed r/min 90 90 110~160 0~70 0~70 air consumption m3/min ≥3.5 ≥7 ≥12 ≥7 ≥7 working air pressure mpa 0.5~0.7 0.5~0.7 0.5~0.7 0.5~0.7 0.5~0.7 cylinder diameter mm 90 140 140 50 50 max. Lifting force n 4200 7000 7000 15000 15000 max. Advance force n 35.