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KQZD Series Down-the-hole Drilling Rig
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KQZD Series Down-the-hole Drilling Rig

The KQZD series down-the-hole (DTH) drilling rig is a highly efficient and flexible open-pit crawler-type rock drilling equipment. It transmits impact energy to the drill bit via an impactor, allowing the bit to rotate at high speeds while delivering high-frequency impacts to the rock. Simultaneously, compressed air flushes the drilled rock cuttings out of the hole, achieving a synchronized operation of “impact, rotation, and slag discharge.”

Featuring exceptional mobility and outstanding off-road capability, this DTH drilling rig adapts seamlessly to various terrains and can transition quickly and flexibly across complex environments. It is primarily utilized in fields such as open-pit mine blasting holes, large-scale stone engineering, and water conservancy and hydropower construction. The Jujiang DTH drilling rig stands as a highly efficient and reliable choice for deep-hole operations in hard rock.

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Key Features of the KQZD Series Down-the-Hole (DTH) Drilling Rigs

Excellent Off-Road Performance: It utilizes a steel crawler chassis, providing outstanding off-road capability and mobility across rugged terrains.

Enhanced Stability on Uneven Ground: Certain crawler-type models are equipped with pitching cylinders. These allow for free adjustment of the vehicle’s center of gravity, ensuring maximum stability and safety when drilling on uneven surfaces.

Flexible Multi-Directional Adjustment: The drill arm and mast are equipped with a complete set of hydraulic adjustment cylinders, enabling effortless adjustment of the drilling angle in any direction.

Powerful and Reliable Operation: Powered by a high-output engine and an advanced hydraulic system, the rig delivers stable, reliable, and highly robust performance.

High Efficiency in Hard Rock: By combining down-the-hole (DTH) impact mechanism with hydraulic rotation, it significantly accelerates drilling speeds in hard rock formations.

Eco-Friendly Dust Control (Optional): An optional dry dust collector is available to substantially reduce dust concentration in the construction environment, protecting workers’ health and extending the equipment’s service life.

User-Friendly & Easy to Operate: Featuring a straightforward structural design, the rig is highly intuitive and easy to learn. Novice operators can get up to speed quickly, reducing reliance on highly specialized manual labor.

Durable & Low Maintenance: Built with a heavy-duty structural design, its critical components offer excellent shock resistance and wear resistance, resulting in a long service life and an exceptionally low failure rate.

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