The main machine of this drilling rig is portable and has the characteristics of high torque, high speed, light weight, small volume, high efficiency, simple structure, and convenient maintenance. It is suitable for detecting geological structure coal seams, exploring water, injecting water into coal bodies, releasing pressure holes, leading holes for tunnel penetration, tunnel anchor support holes, and other special purposes.
Serial Number
|
Basic performance parameters
|
unit
|
ZQSZ-140/4.1
|
ZQSZ-140/4.2
|
ZQSZ-140/4.3
|
1
|
Working air pressure
|
MPa
|
0.4~0.63
|
0.4~0.63
|
0.4~0.63
|
2
|
rated torque
|
N*m
|
140
|
140
|
140
|
3
|
SPEED
|
r/min
|
410
|
420
|
430
|
4
|
Maximum output power
|
Kw
|
4.1
|
4.2
|
4.3
|
5
|
Maximum load torque
|
N*m
|
120
|
155
|
185
|
6
|
Power starting torque
|
N*m
|
130
|
160
|
190
|
7
|
Power stall torque
|
N*m
|
240
|
280
|
300
|
8
|
Gas consumption
|
m³/min
|
4.5
|
4.5
|
4.5
|
9
|
no-load speed
|
r/min
|
630
|
630
|
630
|
10
|
1/2no-load speed
|
r/min
|
325
|
325
|
325
|
11
|
1/2Torque at no-load speed
|
N*m
|
70
|
70
|
70
|
12
|
noise
|
sound pressure level
|
dB(A)
|
115
|
115
|
115
|
13
|
Sound power level
|
dB(A)
|
125
|
125
|
125
|
14
|
Machine weight
|
kg
|
17
|
17
|
17
|
15
|
Rail length
|
mm
|
1700
|
1700
|
1700
|
16
|
Guide rail propulsion stroke
|
mm
|
1200
|
1200
|
1200
|
17
|
Weight of column erecting machine
|
kg
|
43
|
43
|
43
|
18
|
Maximum working height
|
mm
|
1620
|
1620
|
1620
|
19
|
Minimum working height
|
mm
|
400
|
400
|
400
|