Application Scenarios

This hydraulic power unit is specifically designed for foundation pile construction in heavy-duty engineering machinery, offering a dual-motor, dual-pump configuration. It provides continuous and reliable power for hydraulic pile drivers and hydraulic vibratory hammers. The system is widely used in long-duration, high-intensity construction sites such as bridge building, port construction, and rail foundation projects, where demands on durability, contamination resistance, and environmental adaptability are especially high.

  • Key Technical Specifications

 

Power (kW)

Pressure (MPa)

Flow Rate (L/min)

Cooling Method

Tank Capacity (L)

Control Voltage (V)

75–132

0–35

360–720

Air-cooled

1500–3000

24V / 220V

 

Major Component Brands

 

Motor

Siemens / ABB / High-quality domestic brands

Hydraulic Pump

Rexroth / Danfoss / Parker / High-quality domestic brands

Hydraulic Valves

Rexroth / Danfoss / Parker / High-quality domestic brands

Cooling System

High-quality domestic brands

Filters & Accessories

HYDAC / LIMING

Electrical Control

Siemens / Schneider

 

Engineering Advantages and Highlights of Hydraulic Drive System

     

  • High-Power Dual-Pump Design Ensures Continuous Output for Impact Loads
    Equipped with two 90kW variable frequency motors, delivering a combined output of 180kW, this system meets the dual demands of instant high flow rates and sustained high pressure required by pile drivers and vibratory hammers. VFD (Variable Frequency Drive) technology allows smart power adjustment based on real-time working conditions, enhancing energy efficiency and system responsiveness.
  • Integrated Structural Design for Efficient On-Site Deployment
    The power module and oil tank are integrated within a high-strength welded frame, minimizing piping and joints to reduce the risk of leakage. Its modular and compact design makes it easy to lift and transport, making it highly suitable for complex construction sites such as bridges, docks, and railway foundations.
  • All-Weather Protection for Harsh Outdoor Conditions
    The unit features a louvered door with sealing insulation, ensuring effective ventilation while providing protection against dust and rain. The inner frame is lined with sound-absorbing and heat-insulating materials, allowing stable operation under high temperature, high humidity, and dusty environments, thereby extending equipment life and reliability.
  • Intelligent Noise Reduction and Thermal Control for Improved Worksite Comfort
    By combining variable frequency speed control with noise-reducing structures, operational noise is significantly reduced. Optional air-cooling or oil-cooling systems provide intelligent thermal management, ensuring system stability even during prolonged heavy-duty operation.
  • Supports Remote Monitoring and Intelligent Maintenance
    With reserved interfaces for pressure, temperature, and oil level sensors, the system can be integrated into remote PLC or master control platforms for real-time data monitoring, fault alerts, and analytics, supporting the digital transformation of modern construction sites.
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