The HC4_20 type crawler down-the-hole drill rig is a self-propelled hydraulic drilling equipment. It utilizes advanced hydraulic technology, with a dual-motor and reducer structure for rotation, providing high rotation torque; and an oil cylinder with plate-type chains for propulsion, ensuring smooth and rapid movement. The new drill arm design is suitable for drilling horizontal anchor rod holes.
HC4_20 drill rig is primarily used for open-pit downhole drilling in various mining, water conservancy, transportation, anchor support, and slope protection projects.