[Application scope and technical characteristics]
ZDY2-300LM is a double beam crawler drill rig.It can bu utilized in the drilling operation of joint-cutting borehole in roof and bolting borehole in coal mines.The rig is suitable for application in the field of a new coal mining method called automatic pressure relief pillar-free mining technology (110 technique) and rapid roadway bolting support.
[Technical specification]





ZDY2-300LM is a double beam crawler drill rig.It can bu utilized in the drilling operation of joint-cutting borehole in roof and bolting borehole in coal mines.The rig is suitable for application in the field of a new coal mining method called automatic pressure relief pillar-free mining technology (110 technique) and rapid roadway bolting support.
[Technical specification]
Type | ZDY2-300LM |
Rated torque/N·m | 300 |
Rotary speed/(r/min) | 350 |
Borehole depth/m | 30 |
Rod diameter/mm | 38 |
Dip of the main axis/° | -30~+90 |
Horizontal drill height/m | 0.73~1.63 |
Max feed/pull force/kN | 20/8 |
Feed/pull stroke/mm | 1100 |
Motor power/kW | 45 |
Max travelling speed/(km/h) | 2.0 |
Max gradeability/° | 15 |
Bit diameter | 48 |
Weight/kg | 5000 |
Dimension(L×W×H)/m | 3.10×0.85×2.10 |




