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Cmj2 18 Coal Mine Track Double Booms Hydraulic Drilling Rig - China

price: contact company for price

CMJ2-18 is mainly used to drill blast holes for tunneling constructions

in mining, metallurgy, water and electricity, railway, highway

engineering, etc. This series use all hydraulic drive, two booms work

together, with high efficiency and speed which can be 0.8-2 m/min. The

advanced hydraulically controlled drilling system, which is safe and

simple to operate, incorporates the auto stop and anti-jamming function,

auto-stop at end-point, auto wash. This jumbo has a small body, runs

with the crawler, can climbing flexibly on large slop. Working with

electric motor can improve the working environment a lot, reduces noise,

dust and energy consumption. The flexible hydraulic rock drill can work

on the section, roof, side and floor. The jumbo cannot only drill blast

hole, according to the basis of section, it also can drill bolt hole

conveniently with our patent impeller.

Item Parameter

Body Overall size (l×b×h)mm 8640×1250×2450

Hole diameter mm φ27~φ45

Drill pipe length mm 3090

Hole depth mm 2700

Drilling speed m/min 0.8~2

Section (b×h)m 2.5×2.5~5.5×4.5

Total power KW 45+2.2+7.5

Total weight T 9.0

Bottom Min. turning radius m Spot turn

Running speed km/h ≤2.5

Climbing capability 20°

Boom Up and down up55° down16°

Swing boom inner14° outer47°

Compensation mm 1500

Rotation positive180° negative180°

Thruster Pitching down105° up15°

Swing angle inner45° outer45°

Total length mm 4580

Distance mm 2700

Max. Propulsion N 9000

Hydraulic rock drill Model number HYD200

Impacting oil pressure MPa 14~16

Impacting flow L/min 30~45

Torque N·m 60~260

Impacting energy J 100~200

Impacting frequency Hz 34~67

Rotation speed r/min 200

Weight kg 115

Hydraulic system Impacting loop pressure Mpa 16

Drill pipe rotation loop pressure Mpa 15

Compensation loop pressure Mpa 10

Boom loop pressure Mpa 17.5

Propulsion loop pressure Mpa 10

Leg extension loop pressure Mpa 18.5

Running loop pressure Mpa 15

Air system Drop tank air pressure Mpa 0.03

Blowing hole air pressure Mpa 0.7

Rock drill air pressure Mpa 0.4

Water system Rock drill water pressure Mpa 0.8-1.5

Colder water pressure Mpa 0.6

Electric system Installed power KW 45+7.5+2.2

Supply voltage V 380/660

Rated current A 84.2/48.6

Electric motor rotation speed r/min 1470

Switch box Explosion Insulated & intrinsically safe


Company Contact:


  • Phone: 863158303760

  • Address: 500 meters east of Huagong Bridge,Yinxi Developmen, Tangshan, China

  • Email: Email


Published date: August 30, 2013 -

  • Business Description: involved in international trade import export of goods, products, and services

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