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Xinghua Tongzhou Ship Equipment Co., Ltd

Marine Pulling Machinery

-- Steady & Reliable Manufacturer --

Introduction

Marine Pulling Machinery encompasses specialized deck equipment designed to handle, pull, and tension ropes, cables, chains, and mooring lines safely and efficiently. These systems are engineered for heavy-duty performance on commercial vessels, offshore support ships, FPSOs, and other marine platforms where controlled pulling and line management are critical.

Unlike standard winches or hoisting devices, marine pulling machinery integrates precise drive units, tension control systems, and braking mechanisms into one coordinated system. This ensures consistent performance even under varying environmental loads, such as wind, waves, and current-induced forces.

Modern systems may feature hydraulic or electric drives, intelligent torque control, and adjustable pulling speeds, allowing operators to maintain line tension, prevent overloads, and manage multiple lines simultaneously. They are built to operate reliably in corrosive marine environments and withstand repetitive heavy-duty cycles.

Specification

Rated Pull Capacity40 kN to 700 kN depending on configuration
Line CompatibilitySteel wire ropes, synthetic ropes, chain lines, or hybrid cables
Drive TypeHydraulic motor or electric motor with planetary or bevel gearbox
Control ModeManual control, local control, remote control, or integrated bridge control
Speed Range0–15 m/min, adjustable depending on line and tension
Brake SystemHydraulic or mechanical disc brake with emergency stop
Duty CycleContinuous heavy-duty operation with minimal performance degradation
Environmental ProtectionMarine-grade coating, corrosion-resistant components, and sealed housings

Application

Marine pulling machinery is used across a wide spectrum of marine operations requiring precise and safe line control:

  • Mooring of commercial vessels, tankers, bulk carriers, container ships, and passenger vessels
  • Offshore support vessels handling dynamic positioning and mooring tasks
  • FPSOs and floating platforms with multiple lines requiring controlled tension
  • Tugboats and harbor service vessels assisting berthing and unberthing of large ships
  • Marine construction and offshore installation projects requiring temporary or permanent pulling and mooring solutions

Advantages

The main advantages of marine pulling machinery include:

  • Consistent and controlled pulling force, reducing line stress and risk of failure
  • High reliability and durability for heavy-duty and continuous operations
  • Precise control over speed, tension, and load distribution
  • Compact and modular design facilitating deck integration
  • Versatility to handle multiple line types and diameters

These advantages enhance vessel safety, operational efficiency, and line longevity, making these systems indispensable for modern marine operations.

Material and Structure

The structural frame is constructed from high-strength steel or cast alloy to resist bending, torsion, and fatigue loads during heavy pulling operations. Shafts, gears, and drive components are precision-machined and heat-treated for consistent torque transmission and durability.

Bearing systems are designed to withstand both axial and radial forces, while marine-grade seals and coatings protect against seawater, dust, and other contaminants. The combination of structural robustness and precision mechanics ensures reliable performance in harsh offshore environments.

Installation Tips

Proper installation is critical for performance, safety, and longevity:

  • Ensure the deck foundation is strong and level to support high line tension
  • Align machinery precisely with the intended line path to prevent lateral loads
  • Check hydraulic or electrical connections and confirm operational parameters
  • Perform initial testing with low tension before full operational load
  • Inspect brake function, control interface, and safety systems before deployment

Following these steps reduces wear, improves operational reliability, and ensures safe marine operations.

Comparison

Compared to standard winches or simple pulling equipment, marine pulling machinery offers integrated control, higher rated capacities, and improved deck utilization. While conventional equipment may handle light or moderate loads, marine pulling machinery is engineered for continuous heavy-duty service, multiple line management, and offshore operations with dynamic environmental loads.

Its compact modular design and precise control distinguish it from traditional equipment, enabling safer and more efficient vessel mooring and deck operations.

FAQ

  • Q: What types of vessels typically use marine pulling machinery?
  • A: Large commercial ships, offshore support vessels, FPSOs, tugboats, and vessels requiring controlled heavy-duty mooring operations.
  • Q: Can these machines handle multiple types of lines?
  • A: Yes, they are compatible with steel wire, synthetic ropes, hybrid cables, and chain lines.
  • Q: Are both hydraulic and electric configurations available?
  • A: Yes, both drive types can be provided according to vessel requirements.
  • Q: What routine maintenance is needed?
  • A: Regular lubrication, brake inspection, tension testing, and checking for wear or corrosion are recommended.
  • Q: Can these machines be customized?
  • A: Yes, they can be tailored for line diameter, rated pull, speed range, and control system preferences.
Xinghua Tongzhou Ship Equipment Co., Ltd

Tongzhou Ship Equipment

Guarantee High Quality With Our Expertise

Xinghua Tongzhou Ship Equipment Co., Ltd. is a rising private enterprise covering an area of over 30000 square meters. After years of hard work and progress, the company has grasped the pulse of the times, deeply cooperated, and jointly developed with relevant scientific research institutes. Our products are exported both domestically and internationally. Since 2003, we have been engaged in the design, development, manufacturing, product testing, and after-sales service of hydraulic, electric, and diesel-powered Ø 12.5~Ø 152 windbreakers, 10kN~3000kN winches, 10kN~800kN winches, 25kn·m~1350kn·m fork servos, 8kn·m~600kn·m swing cylinder servos, 2000KN cranes, and electrical control systems supporting our products.

Tongzhou products have successively obtained recognition from major ship inspections such as ZC, CCS, ZY, BV, ABS, LR, DNV, NK, KR, BKI, etc. The products are exported to multiple countries, such as France, Iran, Argentina, India, Indonesia, etc. The company has passed the IS09001 quality management system certification of the China Classification Society.

The company has assistant engineers and inspectors who have been engaged in deck machinery design and development for many years, including CCS-certified welders, BV-certified welders, LR-certified welders, pressure vessel welding-certified welders, general-certified welders, machinists, electricians, and fitters.

Existing main production equipment: large laser cutting and cutting machines, CNC plasma cutting and cutting machines, CNC wire cutting machines, gear machines, welding robots, gantry milling machines, boring machines, large lathes, electric beveling machines, pneumatic chamfering machines, CNC pipe bending machines, various welding machines, time effect vibrators, sandblasting machines, etc. Main testing equipment: various measuring instruments, rulers, roughness comparison blocks, hardness testers, tensile impact testing machines, ultrasonic flaw detectors, coating thickness gauges, 400t anchor machine test benches, 200tm crane test benches, 8-200kn·m, 30-600kn·m, and 100-1500kn·m servo motor test benches. We can now manufacture various marine equipment.

Our company is a developing enterprise aiming to be "high-quality, integrity-based". We are committed to developing and researching new products, striving for quality and survival, and working hand in hand with our customers to create brilliance.

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Contact Us
  • Address

    No. 16 Kesheng Road, Development Zone, Xinghua City, Jiangsu Province, China

  • Phone

    +86-523-83262138

    +86-18961090008

  • E-mail

    Corporate Email: [email protected]

    Sales Email: [email protected]

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