ProdukteinführungThe ZQSZ-140/4.1 frame-supported pneumatic handheld drill features large torque, forward and reverse rotation functions, portability, simple structure, and easy maintenance. This series of drills is suitable for drilling operations for water exploration (drainage) and gas in rock and coal seams, and can also be used for tasks such as bolt support in coal and semi-coal roadway sidewalls, blast hole drilling, and bolt installation.Product Features
It can realize three operation modes according to user requirements: handheld, leg-supported and frame-supported, realizing one machine with three functions.
This machine is a high-torque handheld drilling machine compliant with national industry standards, and is a lightweight equipment for short-range advance probing in coal mines.
This machine features forward and reverse rotation functions, allowing convenient drilling in and retracting of drill rods and bits.
Special materials and manufacturing processes ensure a trouble-free working time of over 6 months.
It is ready to use after installation, convenient and flexible, with a unique control mechanism for easy operation, integrating support and propulsion into one unit.
Overall
Performance
Parameters
Basic Performance Parameters
Unit
ZQSZ-140/4.1
Working Pressure
MPa
0.5
Rated Torque
N·m
140
Rated Reverse Torque
N·m
140
Rated Rotation Speed
r/min
280
Maximum Output Power
kW
4.1
Maximum Load Torque
N·m
220
Stall Torque
N·m
240
Starting Torque
N·m
230
Air Consumption
m³/min
5
No-load Rotation Speed
r/min
610
Torque at 1/2 No-load Rotation Speed
N·m
305
Noise
dB(A)
110
Machine Weight
kg
19
Drill Shank Size
mm
18 Square / 24 Square
