ZT-60/120AT Horizontal Drilling Rig
The ZT-60/120AT Horizontal Directional Drilling (HDD) Rig represents a robust and reliable solution for modern trenchless technology applications. Designed with a conservative engineering philosophy, this rig prioritizes exceptional service life and operational stability. Critical components and the entire machine are built with a 10%-20% power reserve, ensuring reliable performance under peak loads and contributing to significantly reduced long-term operational costs.
Core Performance Features:
- Superior Drilling Power: Delivers a massive 30000 N.m of outer drill pipe torque and 4700 N.m of inner drill pipe torque, providing ample power for challenging ground conditions and large-diameter bores.
- High Pullback and Thrust Capacity: A maximum pullback and thrust force of 1200 kN enables the handling of extensive product pipelines and complex, lengthy drills.
- Powerful & Reliable Engine: Driven by a 264 kW / 2200 rpm Cummins diesel engine, ensuring consistent and dependable power output worldwide.
- Optimized Drilling Functions: Features include rotary speed cruise control and an automatic swing function for inner drill pipes, enhancing operational ease and precision.
- Flexible Drilling Range: With an entry angle adjustable from 8° to 20°, and compatibility with reamers from Φ300mm to Φ1000mm, the rig is versatile for various project specifications.
- Integrated Support Systems: Equipped with a high-capacity mud pump (760 L/min at 10 MPa) for efficient spoil removal and bore stabilization, and an onboard 2-ton crane for handling drill pipes.
Premium Imported Components for Unmatched Reliability:
The ZT-60/120AT is built with a selection of internationally renowned components, guaranteeing high performance, durability, and minimal downtime.
- Hydraulic System: Features a closed-loop hydraulic system for the rotation circuit. The main pumps for rotation, pullback, and thrust are Danfoss (Sauer-Danfoss) units (USA).
- Hydraulic Motors: The rotation system is powered by 2 original Poclain motors (France), while the pullback and thrust system utilizes 2 Bombé hydraulic motors.
- Fluid Conveyance & Control: The hydraulic system is fitted with high-pressure hoses from Semperit and Eaton (USA). Precision control is managed by Danfoss (USA) control valves.
- High-Quality Hydraulic Fluid: Uses Shell hydraulic oil to ensure optimal lubrication, cooling, and system cleanliness.
| Model | ZT-60/120AT |
| Max torque for external drilling(N.m) | 30000 |
| Max torque for inner drilling(N.m) | 4700 |
| Rotation speed for external drilling(rpm) | 0-158 |
| Rotation speed for inner drilling(pm) | 0-140 |
| Max pulling/thrusting force(kN) | 1200 |
| Commins engine(kW/rpm) | 264/2200 |
| Max mud pump displacement(L/min) | 760 |
| Max mud pump pressure(Mpa) | 10 |
| Entry angle(degree) | 8-20 |
| Weight(T) | 20 |
| Dimension(mm) | 8900*2540*2700 |
| Rod size for external drilling(mm) | φ102*4000 |
| Rod size for inner drilling(mm) | φ60*4000 |
| Reamer size(mm) | φ300-1000 |
| Hoist | 2T |
- Dual Poclain motor dual rotary head drive, high efficiency in rock drilling, shorten the construction period.
- Thrusting motor use Italy Bondioli&Pavesi motors , stable performance, high reliability, high drilling efficiency.
- Rotary and thrusting both use Danfoss pump, Danfoss proportional valve and Danfoss control handle, can adjust speed steplessly, mature and stable, high reliability.
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