Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

Portable Pneumatic Flame-proof Drilling Machine

Portable Pneumatic Flame-proof Drilling Machine
Product Detailed

Used in drilling holes for exploring, discharging gas and water in coal lane and coal-rock lane. With reverse rotated action.

Used in drilling holes for exploring, discharging gas and water in coal lane and coal-rock lane.

With reverse rotated action, it can take out the drill rod and bit easily. It is also the ideal equipment instead of electric machine for water an gas discharging under mine.

PARAMETER

ZQSJ-90/2.4A

AIR PRESSURE (MPa)

0.4

0.5

0.63

RATED TORQUE (N.m)

≥80

≥90

≥100

RATED ROTATE SPEED (r/min)

≥200

≥240

≥260

MAX.OUTPUT POWER (kW)

≥1.7

≥2.4

≥2.7

MAX. LOADING TORQUE (N.m)

≥100

≥130

≥140

STALL TORQUE (N.m)

≥105

≥135

≥150

START TORQUE (N.m)

≥103

≥133

≥143

LOADING AIR CONSUMPTION (m3/min)

≤3

≤3.2

≤3.5

IDLE RORATE SPEED (r/min)

≥530

≥550

≥570

1/2IDLE ROTATE SPEED (r/min)

≥265

≥275

≥285

1/2IDLE TORQUE (N.m)

≥66

≥82

≥90

NOISE LEVEL (db(A)

≤90

WEIGHT (kg)

20

DRILL TAIL DIMENSION (mm)

32quick-change coupling with 24 flats

RAIL LENGTH (mm)

2000

RAIL PUSHING JOURNEY (mm)

1200

STAND WEIGHT (kg)

180

MAX.WORKING HEIGHT (mm)

1800

MIN.WORKING HEIGHT (mm)

450

 



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