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KJ321 Hydraulic Tunneling Rock Drilling Machine from China Suppliers and Factory for Efficient Tunnel Construction

This advanced drilling rig is expertly designed for tunnel excavation projects where the cross-section ranges from 16 to 68 square meters. It excels in drilling blast holes and rock bolting at various angles, including vertical, inclined, and horizontal orientations.

Equipped with a flexible boom configured in two symmetric rectangular coordinates, this rig eliminates any operational blind spots. Its 360° rotation capabilities and self-leveling beam facilitate precise drill positioning, making it ideal for both lateral cross-cuts and rock bolting tasks. The rig's operator-friendly design offers excellent visibility, while its balanced layout and four-wheel drive articulated chassis ensure agile, rapid, and safe maneuverability in narrow tunnels. Ample space and automated features enhance the safety and accuracy of the machine's operation, providing a reliable solution for projects sourced from top China Suppliers and Factory.

    Product introduction
    Hydraulic Tunneling Rock Drilling Machine is a drilling equipment specially designed for tunnels and underground projects, which combines the efficient power of the hydraulic system with the professional technology of rock drilling. It is widely used in tunnel excavation, underground mining, subway construction, water conservancy projects and other fields.
    1. Hydraulic system
    Provides the main power of the drilling rig, including hydraulic pumps, hydraulic motors and hydraulic cylinders. The performance of the hydraulic system directly affects the efficiency and stability of the drilling rig.
    2. Drill bit
    Used to break rocks, select the appropriate drill bit according to geological conditions.
    4. Working principle of hydraulic tunnel rock drilling rig.
    5. Hydraulic tunnel rock drilling rigs use a hydraulic system to drive drill pipes and drill bits to perform drilling operations. The hydraulic system provides powerful power, allowing the drill bit to drill efficiently in hard rock formations. Drilling rigs are usually equipped with a variety of drill bits and drill pipes to adapt to different geological conditions and drilling needs.
    Size (mm) 12000*2160*2500 Weight 22000kgs
    Max climbing capacity 0.25 Speed 10km/h
    Lifting safety roof FORS&ROPS Rock drill 2XHC50
    Impact power 13kw Hole diameter 32-76mm
    Noise Level <100dB(A) Boom extension 1200mm
    Air compressor 1*JN11 pressure 8bar
    Power of water pump 1.5-4kw Capacity of water pump 10m/h
    Frequently Asked Questions
    What components are included in the hydraulic system of the drilling rig?
    The hydraulic system includes hydraulic pumps, hydraulic motors, and hydraulic cylinders. Its performance directly affects the overall efficiency and stability of the drilling rig.
    How do you choose the right drill bit for the rock drilling machine?
    The drill bit is selected according to the specific geological conditions to ensure efficient rock breaking performance.
    What are the primary applications of the Hydraulic Tunneling Rock Drilling Machine?
    It is designed for tunnels and underground projects, and is widely used in tunnel excavation, underground mining, subway construction, water conservancy projects, and similar fields.
    How does the hydraulic tunnel rock drilling rig work?
    The rig uses a hydraulic system to drive drill pipes and drill bits to execute drilling operations. The high-power hydraulic system allows the drill bit to drill efficiently even in hard rock formations.
    What are the physical dimensions and weight of this equipment?
    The equipment has a size of 12000*2160*2500 mm and a total weight of 22000 kgs.
    What is the hole diameter range and speed of the machine?
    The machine supports a hole diameter range of 32-76mm and has a driving speed of 10km/h.