Hydraulic Top Drive System for Drilling Rigs
This hydraulic top drive system utilizes a hollow axle motor to directly drive the main shaft, enhancing mechanical efficiency. It features stepless speed regulation within the rated speed range and is suitable for diverse drilling applications.
Technical Specifications
Overview
Hydraulic Top Drive System
This hydraulic top drive system utilizes a hollow axle motor for direct main shaft driving, significantly reducing transmission energy loss while improving mechanical efficiency and reliability. Designed for high integration, it features constant power control and high overload capacity to meet demanding drilling requirements. The system is engineered to operate in extreme environments ranging from -40°C to +55°C, ensuring consistent performance in diverse climates.
Key Features
Design Advantages
- Hollow axle motor direct drive
- Simplified sealing mechanism without gear lubricating oil
- Integrated cooling filtration system
- Disc brake for reliable reverse torque release
- Flexible HPU power options (diesel or electric)
- System Benefits
- High EfficiencyHigh ReliabilityLow MaintenanceConstant Power ControlStepless Speed RegulationWide Torque Range
Technical Specifications
Model Comparison
| Specification | DQ150Y | DQ250Y |
|---|---|---|
| Motor Rated Power (kW) | 236 | 283 |
| Max. Load (kN) | 1,350 | 2,250 |
| Speed-rotating Range (rpm) | 0-180 | 0-180 |
| Working Torque (N-m) | 25,000 | 30,000 |
| Max. Breakout Torque (N-m) | 40,000 | 45,000 |
| Weight (kg) | 7,010 | 7,510 |
Operational Limits
Environmental Limits
-40 °C
Min Temp
55 °C
Max Temp
