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50m Diesel Tunnel Drilling Rig
Tue Oct 18, 2016 11:59
125.120.86.112


Jining Bafang Mining Machinery Co.,Ltd is one of the leading 50m diesel tunnel drilling rig manufacturers and suppliers in China, welcome to buy cheap and low price 50m underground drilling rig made in China from our factory.


 ZLJ-250 tunnel drilling rig  Production Features  ZLJ tunnel drilling rig 1.The machine mainly used for underground internal various angle water prospecting, exploration of coal, gas drainage, dust protection and water injection and other uses of the drilling.  2.360 degrees rotary drilling drilling of 50-300m.  3.It can also be used on the ground geological exploration, building foundation reinforcement and other uses of drilling.  Technology Parameters    





     Item



Unit







ZLJ-250






Rated torque




High  speed









250






Medium  speed




N·m




150






Low  speed









85






Rated speed




High  speed




r/min




340







Medium  speed









192






Low  speed




.




112






Rated  pressure




Mpa




8






Max feed force




kN




9






Max pulling and lining force




kN




12






Drilling angle




°




0~360°






Capacity of drum




m




26.3






Diameter of wire rope




Mm




8.8






Drill rod caliber




mm




42






Supply water pressure




Mpa




0.6~1.2







Power




kW




4






Voltage




V




380/660






Rated  current




A




8.8/5.3






Dimensions




mm




1235×630






×1165






Weight




Kg




440




url:http://www.bafangjixiechang.com

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