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    KT/ZT series integral type high wind pressure open-air crawler rig
    KT20 integral type high wind pressure open-air crawler drilling rig

    kerry brand KT20 open-air DTH drilling rig is kerry Group after years of development and production on the basis of DTH drill rig,according to the need of large open-pit mine,elaborate design new drilling equipment.The drill rig walking, propulsion, rotate and angle adjustment adopts hydraulic drive,Power Flow Strong;With high wind pressure screw head and high wind pressure pneumatic impactor,High drilling efficiency;Equipped with hydraulic dry dust collector to collect dust,reduce environmental pollution ;And is equipped with hydraulic manipulator library handling down the drill pipe and drill pipe,Floating joint protection drill pipe thread,A person can be handling down the drill pipe;Air conditioning cab provide comfortable working environment and automatic control card valve to reduce the rate of drill.This drilling righas good integrity, high degree of automation, good effect of drilling, environmental protection and energy saving, convenient operation, flexible, road safety, etc.

    1. Disc type automatic unloading rod system, automatic unloading rod drilling is 36 meters deep.

    2. Carriage pendulum angle use the luffing mechanism, always swinging Angle 130 °(left 33 ° right 97 ° ), without  being in fulcrum free horizontal hole and vertical hole. The lowest level hole height 550 mm, the highest 550 mm.

    3. Adopt the caterpillar electronic  engine, powerful, reliable in performance.

    4. Adopt a single engine at both ends of the output of decorate, compact structure, easy maintenance.

    5. High wind pressure large displacement air compression system (22 m3 / min, 25 bar) to ensure the percussive drilling rapidly.

    6. Walking mechanism of automatic leveling function let jumbo more adapt to mine rugged mountain path.

    7. Double hand soldering the entire guide drilling tools, to prevent the occurrence of deviation when drilling (Guide the impactor when opening, guide the drill pipe when drilling).

    8. Adopt imported hydraulic parts and electrical appliances


    KT20 One-piece open-air drilling rig technical parameters:

    Rock hardness

    f=6-20

    Drilling diameter(mm)

    135-190


    Economic drill depth

    (Automatic extension rod depth)(m)


    36

    Travel speed(Km/h)

    3.0

    Gradeability

    25°

    Ground clearance(mm)

    430

    Machine Power(kW)

    287

    Diesel energy


    Carter C11


    Screw capacity(m3/min)

    22

    Screw working Pressure (bar)

    25(maximum

    Dimension (mm)

    11500×2716×3200

    Weight(Kg)

    23000

    Rotating Speed(r/min)

    0-118

    Rotatingtorque(N.m)

    4100

    Maximum lifting power(N)

    65000

    Carriage elevation angle

    125°

    Carriage swing angle

    right 97 °left 33°

    Carriage leveling swing angle

    right 42°left 15°

    Drill arm dump angle angle

    up 42°down 20°

    Frame leveling angle

    up 10°down 10°

    Push  length(mm)

    4500

    Compensation length(mm)

    1200

    Hammer

    HD55A/HD65A

    Dill rod

    φ102×4000 mm

    Catching dust

    Dry/wet (optional)

    Jaw way

    Automatic discharge rod

    Automatic protection card way

    electro-hydraulic control card

    Drill rod lubricating

    Automatic oil lubrication

    Drill rod thread protection

    Equipped with floating joint protection drill rod thread


    Real-time display Angle of drilling and drilling depth