The first choice for high-quality tunnel drilling rigs is Yonghongyun, which is reasonably priced, durable and labor-saving. The manufacturer directly sells mining tunnel drilling rigs, mud pumps, and geological water source drilling rigs. Tunnel drilling rigs for coal mines, tunnel drilling rig manufacturers, coal mine tunnel drilling rig manufacturers telephone drilling rig instructions. It adopts mechanical transmission, has a simple structure, small size, light weight, convenient operation and reliable performance. It is equipped with a hydraulic chuck and a hydraulic feed cylinder. Main uses: It is mainly used for water exploration, coal drainage, gas dust prevention, water injection and other drilling purposes at various angles inside the mine. It can also be used for ground geological exploration, building foundation reinforcement and drilling for other purposes. Technical parameters
Rated output torque of vertical shaft˙
Drill pipe used
Drilling depth
Drilling diameter
Opening
Vertical shaft diameter
Vertical shaft revolutions
Vertical shaft stroke
Rated pull-out force
hour
hour
hour
hour
rated pushing force
hour< br/> Hours
Hours
Hours
Drilling Angle Range
Motor
Model
Quality
ZLJ-350 tunnel drilling rig for coal mines