Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

Pneumatic Roof Bolter

Pneumatic Roof Bolter
Product Detailed

MQT-70/1.8, 85/2.2, 90/2.3A, 100/3.1, 110/2.8, 120/3.0 and 130/3.2.Equipped drilling rod with two connection types, B19 and B22.

 MQT Series Pneumatic Roof Bolter, higher output power, high rotate speed and drilling power; convenient operation and maintenance to the air & water control valve; and special silencer bringing comfortable working condition, etc. MQT-70/1.8,MQT-85/2.2,MQT-90/2.3A,MQT-100/3.1,MQT-110/2.8,MQT-120/3.0 and MQT-130/3.2. And each model can be equipped with drilling rod with two connection types, B19 and B22. In addition, we also provide various drill bits & rod fitting for different rock hardness for your selection

 

MODEL & PARAMETER

MQT-0/1.8

MQT-85/2.2

MQT-90/2.3A

SUITABLE PRESSURE RANGE (MPa)

0.4 -- 0.63

0.4 -- 0.63

0.4 -- 0.63

RATED PRESSURE (MPa)

0.5

0.5

0.5

RATED TORQUE? (N.m)

≥70

≥85

≥90

RATED ROTATE SPEED? (r/min)

240

240

240

LEG PROPULSION(Kn)

III

7.4

8.4

9.8

II

5.9

6.7

6.7

I

4.4

5.2

5.2

IDLE PUSHING SPEED(mm/s)

400

400

400

MAX. OUTPUT POWER (kw)

1.8

2.2

2.3

IDLE ROTATE SPEED (r/min)

900

650

650

STALL TORQUE (N.m)

≥160

≥230

≥230

MAX.LOADING TORQUE (N.m)

150

220

220

AIR CONSUMPTION (m3/min)

2.8

3.2

3.2

NOISE LEVEL (dB(A))

<90

<90

<90

LEG TYPE

I

II

III

I

II

III

I

II

III

WEIGHT (kg)

44

46

48

46

48

50

46

48

50

MAX? HEIGHT (mm)

2546

3026

3594

2540

3020

3588

2540

3020

3588

MIN HEIGHT? (mm)

1169

1289

1431

1163

1283

1425

1163

1283

1425



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