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Glkd-300 Underground Core Drill/Drilling Rig

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December 17, 2025
Category Connection: Drill Rig Machines
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Tags:
#hydraulic drilling rig equipment #rock drilling rig machine #Water Well drill rig trailer
Brief: In this walkthrough, we highlight key design ideas and how they translate to performance. See the GLKD-300 Underground Core Drill in action, demonstrating its full hydraulic motor head operation within tunnel environments. We'll show you how its compact, modular design enables quick setup and easy movement, and explain its versatility for various drilling methods including diamond drilling and hard alloy applications.
Related Product Features:
  • Full hydraulic motor head design with a large through-hole diameter, suitable for various drilling methods including diamond and hard alloy drilling.
  • Modular three-part construction (host machine, pump station, control board) for easy transportation and setup in confined underground spaces.
  • High rotational speed range with dual-speed options (0-500 rpm or 0-1400 rpm) to accommodate different drilling requirements and hole diameters.
  • Efficient double-pump hydraulic oil feeding system that minimizes power loss while maintaining high operational efficiency.
  • Direct hydraulic cylinder feeding system with adjustable pressure and speed, providing substantial 34KN feeding force for various geological conditions.
  • Mechanized chuck and clamp holder system that simplifies drilling tool connection, dismantling, and operation processes.
  • Centralized control board positioned away from drill holes enhances operator safety while maintaining easy operational control.
  • Reliable hydraulic components with high universality ensure easy maintenance and functional reliability in demanding underground environments.
Faqs:
  • What types of drilling applications is the GLKD-300 suitable for?
    The GLKD-300 is versatile for diamond drilling, hard alloy drilling, and can be equipped with a down-the-hole hammer for impact-rotary drilling. It's widely used for geological exploration holes, gas holes, water injection holes, and anchoring holes in coal, nonferrous metal, construction, and mining fields.
  • How is the drilling rig transported and set up in underground tunnels?
    The rig features a modular three-part design consisting of the host machine, pump station, and control board. This compact configuration with small volume allows for easy movement and quick setup in confined underground tunnel environments.
  • What are the key safety features of this underground drilling rig?
    Safety is enhanced through a centralized control board that allows operators to control the rig from a safe distance away from the drill holes. The hydraulic system's high functional reliability and easy maintenance further contribute to safe operation in underground conditions.
  • What drilling depths and diameters can the GLKD-300 achieve?
    The rig can drill to depths of 300m with Φ75mm diameter or 200m with Φ94mm diameter, with an opening diameter of Φ110mm. It accommodates drill rods from 42mm to 50mm diameter across a full 360° angle range.
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