Navigation
Related

Navigation

Related

Boom luffing winch, line pull 500 kg (Technical supply specification)


1. General Data (Operating Conditions)

The boom luffing winch operates reliably under the following conditions:

  • Ambient water temperature: −2 °C to +27 °C
  • Relative humidity: 60%–85%
  • Permanent list to any side: up to 5°

    Permanent trim by bow or stern: up to 2°
    Stowed conditions:
  • Ship list to any side: up to 30°
  • Ship trim by bow or stern: up to 6°

2. Purpose

The boom luffing winch is designed for manual boom luffing operations onboard the vessel.

Boom luffing winch, 500 kg rated line pull — Side view dimensional drawing
Boom luffing winch, 500 kg rated line pull — Side view dimensional drawing

About

Boom Luffing Function

The boom luffing winch is designed for precise positioning of crane booms onboard vessels. It enables the operator to adjust the equipment outreach independently of the main drive, ensuring smooth and accurate boom movement. This mechanism is critical for installation, cargo handling, and maintenance operations requiring high positioning accuracy. The boom luffing winch minimizes the risk of sudden movements and ensures safe equipment operation.

Manual Control and Autonomy

The primary advantage of the boom luffing winch is its manual drive, which ensures complete independence from the vessel power supply and increases operational flexibility onboard. The operator can adjust the boom position under any conditions, including emergency scenarios or restricted access areas. Manual control allows for fine adjustments and ensures smooth operation, which is critical during cargo handling and simultaneous winch operations. This autonomy makes the winch essential for complex marine systems.

Synchronization with Other Mechanisms

The boom luffing winch integrates into the hoisting equipment suite, operating in conjunction with the cargo winch and slewing/tugger winches. This ensures synchronized operation across all mechanisms, allowing precise simultaneous control of both boom and cargo positioning. Seamless system integration increases operational efficiency, reduces crew workload, and minimizes potential cargo handling errors. The boom luffing winch serves as a key component for boom movement control in all marine environments.

Design and Operational Features

Designing these winches requires specific focus on ergonomics and operational convenience onboard the vessel. The mechanism must be simple, reliable, and resistant to the marine environment. The development process incorporates safety requirements, ease of maintenance, and compatibility with associated machinery. Izhora Hydrosystems LLC manufactures boom luffing winches in strict accordance with these principles, ensuring equipment durability and practicality.

Manufacturing and Vessel-Specific Adaptation

The boom luffing winch is engineered for adaptation to specific vessel designs, considering operational profiles and lifting system configurations. The manufacturer guarantees compatibility with existing machinery and compliance with classification society rules. Izhora Hydrosystems LLC designs these winches with a focus on reliability, ease of operation, and durability, ensuring seamless integration into the vessel’s complete machinery suite.


3. Scope of Supply

3.1 Boom Luffing Winch

3.1.1 Bill of Materials

ComponentQty
Manual boom luffing winch1
Main control panel1
Portable control station1
Local control panel1
Limit switches2
Spare parts, tools and accessories (SPTA) kit1
Boom Luffing Winch - Line Pull 500 kg
Boom luffing winch, 500 kg rated line pull — Top view dimensional drawing

3.1.2 Technical Data

ParameterValue
Drive typeManual
Rated line pull500 kg
Handle crank force12 kg
Number of rope layers3
Wire rope diameter6.9 mm
Drum rope capacity15 m
Calculated brake holding force0.75 kN
Design life25 years

3.1.3 SPTA Kit

Manufacturer’s standard for 1-year operation — 1 set.

3.1.4 Documentation

DocumentQty
Technical Passport1
List of SPTA1
Factory Acceptance Test (FAT) Report1
Operation and Maintenance Manual (OMM)1
Onboard Testing Procedures1
Data Sheets / Certificates (including sub-vendor components)1
Installation Documentation Package1
Asbestos-Free Declaration1
Inventory of Hazardous Materials (IHM)1
Precious Metals Inventory1
Lubrication Chart (GOST 25549 format)1

3.1.5 Certificates

RS (RMRS) Certificate (Form 6.5.30) — 1 copy.


4. Additional Requirements

Winch operation is performed via manual drive.

Control systems are independent.

Control components configuration:

Main control panel:

  • Emergency stop button
  • “Power on” indicator lamp
  • “Fault” indicator lamp

Pendant control station:

  • Emergency stop button
  • “Power on” indicator lamp

The boom luffing winch complies with the current RS (RMRS) rules (sections 1.5 and 4.5 of the Rules for Cargo Handling Gear of Sea-Going Ships), GOST 12617-78 requirements, and holds RS certificates.

The winch provides boom luffing capability with load-holding capacity in any position.

The equipment is fitted with lifting lugs.

The equipment is provided with grounding bolts.

All equipment and components are brand new or in current production at the time of delivery.

All instruction and data plates are fabricated from stainless steel with inscriptions in Russian. Software interfaces are also provided in Russian.

All enclosures with operating voltages exceeding 42 V are fitted with corresponding warning plates:

  • Sign 2.4 “Caution! Hazardous Voltage” — on the external side of enclosure doors
  • Sign 3.2 “Wear Protective Gloves” — inside the enclosures

An additional voltage rating plate is installed on the external side of all enclosures with operating voltages exceeding 42 V.


5. Manufacturer

Izhora Hydrosystems LLC


6.  Warranty Period

12 months from the date of shipment, unless otherwise specified in the contract.


Contacts

Phone: +7 (812) 339-61-68

Email: contact@i-hydro.tech