250m Diesel Tunnel Drilling Rig
Jining Bafang Mining Machinery Co.,Ltd is one of the leading 250m diesel tunnel drilling rig manufacturers and suppliers in China,Website:, welcome to buy cheap and low price 150m underground drilling rig made in China from our factory.
ZLJ-750 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
Technical Parameter
ZLJ-250
ZLJ-350
ZLJ-650
ZLJ-400
ZLJ-700
Rated torque
High speed
250
350
650
400
700
Medium speed
N·m
150
250
380
230
520
Low speed
85
100
214
130
310
Rated speed
High speed
r/min
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
380/660
380/660
380/660
380/660
380/660
Rated current
A
8.8/5.3
9/13.0
15/10.0
13.4/8.8
17.1/11
Dimensions
mm
1235×630
1265×650
1200x1290
1280×700
×1165
×1020
x700
×1230
Weight
Kg
440
480
630
480
710
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