[Application scope and technical characteristics]ZDY3000LG Drill
Rigs are suitable for high-speed auger drilling in soft and
outburst-prone coal seam. It can effectively improve the drilling
cutting removal ability. With high rated torque and rotary speed,
the drills can significantly improve drilling depth in soft coal
seam and other cracked formation, which can effectively solve the
drilling difficult problem of in soft coal seam.[Techinical
features]1.Multi degree of freedom luffing mechanism, convenient
for angle adjustment and stability The azimuth angle adjustment is
± 90°, the primary angle adjustment range is -60° ~ ±90 ° (after
turning the machine body, it can reach -90°~±90°), and the height
adjustment range is 1100mm. The angle adjustment and stabilization
process does not need to screw down the bolts, but only needs to
operate the handle of the hydraulic valve. 2.Borehole can be
drilled by ZDY3000LG without pulling down the belt. 3.The
width and size of the drilling rig is small (1250mm), which is
convenient for moving the hole (or drilling before
construction);The feed device can slide back and forth, and the
position of the machine body can be adjusted flexibly during the
side wall construction of the belt lane to reduce the actual
occupation of the tunnel space by the drilling machine. 4.It is
stable and reliable during drilling construction, which is
conducive to the treatment of accidents in the hole. 5.The drilling
rig is equipped with high-speed power head and automatic variable
motor, which can adjust the spindle speed through the spindle speed
control valve block, which is convenient, fast, time-saving and
labor-saving. 6.The gripper is a long closed structure with
butterfly spring clamping and oil pressure loosening, with large
clamping force and opening amount, which can prevent sparks caused
by friction with drill pipe during high-speed drilling.
Gripper
Centralizer7.The drilling
rig has the protection function of overpressure fallback. When the
rotary pressure exceeds the limit, the drill pipe only rotates in
the hole and does not feed, so as to reduce the occurrence of
sticking during drilling. 8.Easy to turn the fuselage. To
adjust the inclination angle of the drilling machine to 0°, it is
only necessary to screw out 14 screws, push the feed device to turn
180°, and then tighten the screws. 9. Load-sensitive control
system to reduce energy consumption and achieve lower cost.
10. High quality hydraulic components(Rexroth and Sauer)
maintain system reliability. 11. Stable hydraulic system
is achieved by the application of cartridge valves. 12. The feed
stroke is 1800mm, which can meet the requirements of adding and
unloading 1.5m plug-in screw drill pipe in the middle. [Technical
specification]TypeZDY3000L(G)Rated torque/N·m3000~400Rotary
speed/(r/min)160~800Borehole depth/m300Rod diameter/mm100/60.3Dip
of the main axis/°-90~+90Azimuth adjustment/°-90~+90Horizontal
drill height/m1.62~2.72Max feed/pull force/kN140/190Feed/pull
stroke/mm1800Motor power/kW90Max travelling speed/(km/h)2.0Max
gradeability/°15Weight/kg7900Dimension(L×W×H)/m4.82×1.25×1.88
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