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MQT-85/1.8 Anchor Drilling Machine Pneumatic Roof Bolter

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In various complex formations and different rock drilling methods and practices, its excellent rock drilling performance has been recognized by most construction units and peers.

  • Wide Range Of Applications

  • High Working Efficiency Energy Saving

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Product Photos

851

Anchoring drilling rig is mainly used for landslide and dangerous rock anchoring engineering in the prevention and control of various geological disasters in hydropower stations, railways and highway slopes, especially for high slope rock anchoring engineering, and also for the construction of urban deep foundation pit support, anti floating anchor rod and foundation grouting reinforcement engineering holes, blasting holes of blasting engineering, high-pressure rotary jet grouting piles, tunnel pipe shed support holes, etc. 



852右

4 (6)

Anchoring drilling rig is mainly used for landslide and dangerous rock anchoring engineering in the prevention and control of various geological disasters in hydropower stations, railways and highway slopes, especially for high slope rock anchoring engineering, and also for the construction of urban deep foundation pit support, anti floating anchor rod and foundation grouting reinforcement engineering holes, blasting holes of blasting engineering, high-pressure rotary jet grouting piles, tunnel pipe shed support holes, etc. 


Its power head can be slightly changed to facilitate all-round construction. Main drilling methods: conventional down the hole hammer drilling, pipe drilling and spiral drilling. In the drilling practice of various complex formations and different drilling methods, its excellent drilling performance has been recognized by the majority of construction units and peers.




It has good performance: compact structure, small volume, light weight, flexibility, and can be used to work on high slopes and scaffolds; The output torque of the hydraulic power head is large, the drilling capacity is strong, and the use range of the drill is wide; 


The output speed of the power head is infinitely variable, and the drilling parameters can be selected independently according to different construction requirements and geological conditions to achieve the best drilling efficiency. Therefore, no matter what type of anchoring drilling rig, the hydraulic transmission system is an important part of the anchoring drilling rig. If the maintenance is improper, various failures will occur, which will seriously affect the normal operation of the equipment. Therefore, great attention should be paid to the maintenance of the hydraulic system.


33-1

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The supporting drilling tools of anchor drilling rigs are developing towards the combination of vernacular drilling tools and rock anchor drilling tools. In the anchor cable drilling project of the dam body of the Three Gorges Permanent Shiplock, the drilling rig with the best hole forming granularity is the drilling tool developed by using the principle of stabilizing the soil anchor casing and wall protection, and applying it to the direction of the drill pipe in rock anchor hole drilling. 


Similarly, in order to solve the problems of low drilling efficiency of hydraulic percussion drilling rigs in soil anchor hole exploration and serious damage of casing drilling tools, The air DTH hammer centering reaming casing drilling tool being tested and researched is another combination of soil anchor drilling tool and rock anchor drilling tool.







Product Parameters

851

el

Unit

MQT-85/1.8

MQT-110/3.1

MQT-120/2.8

MQT-130/3.2

Air pressure

Mpa

0.4 -- 0.63

0.4 -- 0.63

0.4 -- 0.63

0.4 -- 0.63

Rated Pressure

N·m

0.5

0.5

0.5

0.5

Water flushing pressure

Mpa

0.6-1.2

0.6-1.2

0.6-1.2

0.6-1.2

Rated Rotate Speed

R/Min

240

280

220

240

Velocity whitout load

mm/s

≥680

400

≥560

400

Max. Output power

Kw

≥1.8

3.1

2.8

3.2

Stalling torque

N·m

180

180

210

210

Max.Loading Torque

N·m

≥185

170

220

190

Air consumption

M³/min

2.9-3.8

≤3.8

4.4

≤4.5

Noise

Db(A)

≤90

≤90

≤90

≤95

Rock drill rod

mm

B19 B22

Rock drill diameter

mm

Φ25-32

Leg Type


I

II

III

I

II

III

I

II

III

I

II

III

Leg propulsion

kN

5.2

6.7

9.8

5.2

6.7

9.8

5.2

6.7

9.8

5.2

6.7

9.8

Overall Max.height

mm

2450

3050

3650

2566

3046

3614

2552

3032

3600

2540

3015

3600

Overall Min.height

mm

1185

1268

1418

1189

1309

1451

1175

1298

1437

1365

1725

2145

Weight

Kg

44

46

49

45

47

49

48

50

52

50

52

55




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