Jining Bafang Mining Machinery Co.,Ltd is one of the leading 250m diesel tunnel drilling rig manufacturers and suppliers in China, 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
|
Original
By certification 
