Electric Rock Drill

We are offering zlj series electric rock drill.
zlj series coal mine tunnel drilling rig is mainly used for various kinds of angles of relief hole, geological structure hole, put off fire hole, hole drainage gas. this drill adopts mechanical drive, hydraulic feed, with advantages of small volume, light weight, reliable performance, convenient operation, etc.
use standard automobile transmission clutch, reliable performance, flexible manipulation, the bottom of the spare parts cost.
item unit 　　　　　　　　　 data parameter
zlj-250 zlj-350 zlj-650 zlj-400 zlj-700
rated torque high speed
n·m
250 350 650 400 700
medium speed 150 250 380 230 520
low speed 85 100 214 130 310
rated speed high speed
rmin
. 340 350 270 340 410
medium speed 192 170 151 192 198
low speed 112 99 88 112 150
rated pressure mpa 8 8 8 8 8
max feed force kn 9 9 34 9 34
max pulling and lining force kn 12 12 12 12 12
drilling angle ° 0～360° 0~360° 0～360° 0～360° 0~360°
capacity of drum m 26.3 26.3 40 26.3 40
diameter of wire rope mm 8.8 8.8 11 8.8 11
drill rod caliber mm 42 42 42 42 42
supply water pressure
mpa 0.6～1.2 0.6~1.2 0.6～1.2 0.6～1.2 0.6~1.2
power kw 4 5.5 7.5 5.5 7.5
voltage v 380660 380660 380660 380660 380660
rated current a 8.85.3 913 1510 13.48.8 17.111
dimensions mm 1235×630×1165 1265×650×1020 1200x1290x700 1280×700×1230
weight kg 440 480 630 480 710