Customer Background and Application Scenarios

This solution is tailored for various marine deck machinery systems, including windlasses, mooring winches, hatch covers, and specialized equipment on working vessels (e.g., submarine cable handling systems). These applications demand high reliability, strong corrosion resistance, and adaptability to limited space. Additionally, they often operate under constraints of limited onboard electrical power.

Technical Reasons for Choosing a Hydraulic Drive System

Marine equipment is often exposed to harsh ocean environments characterized by high salinity, humidity, and large temperature fluctuations, leading to severe corrosion of electrical systems and high maintenance costs. In contrast, hydraulic systems, with their strong sealing performance, high transmission efficiency, and rapid response, have become a widely adopted solution.

  • Key Technical Specifications

 

Power (kW)

Pressure (MPa)

Flow Rate (L/min)

Cooling Method

Tank Capacity (L)

Control Voltage (V)

11–500

0–35

100–1000

Water-cooled / Air-cooled

100–5000

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

 

Hydraulic technology offers distinct advantages, particularly in the following scenarios

  

  • Long-Distance Power Transmission
    Hydraulic power can be efficiently transmitted over tens of meters via piping, which is ideal for layouts where actuators are located far from the power source.
  • High Power Density
    Hydraulic systems can deliver significantly more power than electric drives of similar size, which is crucial for applications with limited onboard space.
  • Adaptability to Harsh Environments
    Hydraulic actuators (motors and cylinders) can be specially treated for corrosion resistance, making them suitable for exposure to seawater, moisture, and high-pressure conditions.
  • Flexible Energy Source
    The system can be powered by diesel engines, making it independent from the vessel's main electrical system. This is especially valuable for vessels with limited electric power availability.
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