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    • DTH Drilling Machine

    DTH Drilling Machine

    Important Reminder

    PIVOT specializes in providing customized mechanical solutions for industrial scenarios. Due to variations in product configurations, application scenarios, and cooperation scales, uniform pricing and inventory information are not publicly listed.

    Whether you need detailed technical specifications, personalized solution design, or a precise cooperation quote, our engineering team will offer one-on-one professional support.

    Contact us now to efficiently align your requirements and initiate the customized cooperation process.

    This series of down-the-hole drilling rigs is mainly designed for blasting hole drilling operations in engineering fields such as metallurgy, mining, railway, hydropower, national defense construction, dredging and earthwork.

    Performance Introduction

    This equipment is specifically designed for blasting operations. The drilling diameter ranges from Φ115 to Φ203 mm, and the hole depth is adjustable from 1600 mm to 3000 mm. Utilizing a high-efficiency impact power system combined with precise drilling control technology, the equipment enables rapid hole drilling in hard rock formations such as rock and mineral layers. It is suitable for open-pit mining and infrastructure construction projects, providing safe and efficient operational support for blasting operations and effectively improving on-site construction efficiency.

    Technical Parameters

    Parameter Items

    Specifications

    Model:

    PVT-DL7 Cutting Drilling Machine, Down-the-Hole Drilling Machine

    Origin:

    China

    Brand:

    PVT

    Drilling Method:

    Cutting, High-Pressure Down-the-Hole Drill Bit

    Drill Diameter (mm):

    90-200

    Drill Depth (m):

    Automatic Rod Changer 18 (Maximum Depth 120m)

    Drill Rod Length (m):

    6

    Drill pipe diameter (mm):

    Ø76, Ø89

    Drill pipe storage capacity:

    2+1

    Upper gantry rotation angle (°):

    360

    Crawler track width (mm):

    3490

    Track gauge width (mm):

    2380

    Track shoe width (mm):

    600

    Ground clearance (mm):

    470

    Maximum traction (kN):

    212

    Travel speed (km/h):

    3.5/5.5

    Climbing ability (°):

    35

    Boom length (mm):

    5700

    Boom angle (°):

     -45-60

    Feed stroke (mm):

    6700

    Aperture angle (°):

    ±120

    Tilt angle (°) :

    ±15

    Maximum thrust (kN):

    40

    Maximum lift (kN):

    40

    Slewing torque (Nm):

    4000

    Speed (rpm):

    0-220

    Walking type:

    Tracked

    Transmission type:

    Fully hydraulic

    Air compressor model:

    PDSJ850S (Reinforced)

    Air compressor brand:

    Fusheng Airman

    Compressor type:

     Asymmetric linear rotor screw compressor

    Discharge volume (m³/min):

    24.1

    Discharge pressure (MPa):

    20.4

    Air compressor engine model:

    Cummins L9CS4

    Air compressor engine power (kW):

    266

    Air compressor engine speed (r/min):

    1800

    Hydraulic system pressure/flow:

    33±1/225X2+20

    Hydraulic system engine model:

    WP7H

    Hydraulic system engine brand:

    Weichai

    Hydraulic system engine power (kW):

    129

    Hydraulic system engine speed (r/min):

    2000

    Cooling method:

    Water cooling

    Displacement (L):

    6.8

    Slewing motor model:

    J6K310

    Travel motor model:

    IGT17W2

    Dust collector motor model:

    RDC-165-MD

    Walking mechanism:

    Shantui four-wheel drive

    Traveling motor configuration:

    Shantui integrated motor and gearbox

    Dust collector type:

    Cyclone + laminar flow

    Dust collection method:

    Dry type

    Total power (kW):

    118 + 266

    Cab Configuration:

     Built-in air conditioning and air purification system effectively blocks external dust and improves operating conditions.

    Monitoring System:

    The cab instrument panel centrally displays system operating parameters, status indicator lights, and fault alarm information, allowing operators to monitor equipment operation at any time.

    Control Method:

    All drilling rig movementsincluding walking, posture adjustment, positioning, and drillingare centrally controlled via pilot control levers in the cab, with operating logic consistent with excavators.

    Structural Features:

    The drill arm adopts a large box-type structure design, and the drill frame uses a high-strength steel plate curved beam structure, ensuring overall robustness and reliability.

    Matching Impactor Models:

    DN45A, DN55A, DN65A

    External Dimensions (L×W×H mm):

    11000×2980×8885

    Machine Weight (tons):

    25

     

    FAQ

    1. What engineering scenarios is this down-the-hole drill rig primarily suitable for?

    Primarily for blasting hole drilling operations in metallurgy, mining, railway, hydropower, national defense construction, dredging, and earthwork engineering.

    2. What is the range of drilling diameter and depth?

    Drilling diameter covers Φ90-200mm, with a maximum drilling depth of 120 meters in automatic rod-changing mode.

    3. What is the power system configuration?

    The air compressor uses a Cummins L9CS4 engine with a power of 266kW; the hydraulic system uses a Weichai WP7H engine with a power of 129kW, with dual independent power drives.

    4. How is the machine operated?

    All actions of the drill rig (travel, attitude adjustment, positioning, drilling) are centrally controlled via a pilot control lever in the cab. The operating logic is consistent with that of an excavator, making it easy to learn.

    5. What are the cab features?

    Equipped with a built-in air conditioning and air purification system, effectively blocking external dust and improving the operating environment.

    6. How is the equipment shipped overseas?

    It is shipped by sea in a 40-foot open-top container or flat rack, as a whole unit, with proper securing and rust-proof packaging.

    7. What payment methods do overseas customers accept?

    We accept T/T wire transfer (30% prepayment + 70% payment before shipment), and letter of credit at sight. Other methods can be negotiated for long-term cooperative clients.

    8. Are English manuals and operation training provided?

    Yes, we provide English operation manuals, parts catalogs, and video tutorials.

    9. Can the drilling rig operate normally at high altitudes or in extreme temperatures?

    Yes, the equipment is designed to operate at altitudes of 5000 meters and in temperatures ranging from -35°C to +50°C. A low-temperature start-up device is optional.

    10. How effective is the dust removal system?

    It adopts a cyclone + laminar flow dry dust removal system, effectively suppressing dust emissions, protecting the health of operators, and meeting environmental protection requirements.

    11. Is spare parts readily available?

    Commonly used spare parts are kept in stock year-round and can be shipped with the main unit. For urgent needs, international express delivery is available, with delivery in 3-5 days.

    12. Can I become your local distributor?

    We are currently recruiting overseas distributors globally. Interested clients are welcome to contact us to discuss cooperation.

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    Headquarters Address

    27 Phoenix Second Street, Yongchuan District, Chongqing, China

    Branch Office Address

    Sikerd Village, Naxaithong District, Vientiane Capital, Laos

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