Marine Electric Anchor Winch

Electric Anchor Winch – Marine Anchor Windlass

The electric anchor winch offers advantages such as compact size, ease of operation, and environmental friendliness. On the other hand, the hydraulic anchor winch provides a more stable power source, reliable operation, ease of maintenance, but requires more deck space compared to the electric variant. Typically, small-tonnage boats opt for electric winches, while large-tonnage vessels utilize hydraulic winches for anchorage.

Both types of electric anchor winch can be equipped with single or double drums, known as single drum anchor winch or double drum anchor winch. This allows for flexibility in accommodating different anchoring requirements based on the vessel’s size and operational needs.

Components Of Marine Electric Anchor Winch

The anchor winch consists of essential components, including an electric motor, gearbox, drum or gypsy wheel, control system, and safety features.

• Electric Motor: The ship winch for anchoring is powered by an electric motor that provides the necessary mechanical energy to drive the winching mechanism. The motor is typically designed to withstand the marine environment and may have features such as corrosion resistance and waterproofing. The motor’s power rating is determined based on the winch’s load capacity and operational requirements.
• Gearbox: The winch gearbox is an essential component that connects the electric motor to the drum or gypsy wheel. It helps regulate the speed and torque of the winch, allowing for controlled and precise operation. The gearbox may have multiple gear ratios to provide different speed options, enabling the winch to adapt to various anchoring conditions and requirements.
• Drum or Gypsy Wheel: The drum or gypsy wheel is responsible for winding and unwinding the anchor chain or rope. It is designed to securely hold the anchor line during operation. The drum is typically constructed of durable materials, such as steel, to withstand the high forces and loads involved in anchoring. The design of the drum may vary depending on the type of anchor chain or rope used.
• Control System: The control system of the ship anchor winch allows operators to manage the winch’s operation. It typically includes control panels, levers, buttons, or a combination thereof, located at a designated control station on the vessel. The control system enables operators to initiate and control functions such as lowering or raising the anchor, adjusting the anchor chain’s tension, and engaging or disengaging the brake system.
• Safety Features: This ship winch incorporates safety features to ensure the well-being of personnel and prevent accidents. These may include overload protection mechanisms, emergency stop buttons, and limit switches, as mentioned earlier. Additionally, the winch may have built-in braking systems to hold the anchor securely in place when not in use, preventing unintentional movements and ensuring safe anchoring operations.

The Working Principle Of Electric Anchor Winch

The electric anchor winch on a ship operates using an electric motor that converts electrical energy into mechanical energy. A reduction mechanism is employed to convert high-speed rotation into low-speed, high-torque output, providing ample force for anchoring or adjusting the anchor chain’s length. A transmission device, comprising chains, gears, and racks, transfers the torque from the reduction mechanism to the anchor chain or rope, facilitating anchoring or raising the anchor.

The anchor windlass is equipped with a control device, such as a control panel or remote control, allowing the crew to start, stop, change speed, and reverse the operation. By manipulating the control levers or buttons, the crew can conveniently operate the winch. The anchor chain or rope connects to the winch, and the movement of the transmission device enables the anchor to function effectively on the seabed.

Safety Considerations for Using an Anchor Windlass

• Before using the electric anchor winch, it is necessary to inspect the equipment and its working condition to ensure its integrity and compliance with operational requirements.
• When using the anchor windlass, pay attention to the strength and length of the rope or cable, ensuring they are within the specified range.
• During the operation of the electric anchor winch, maintain the balance and stability of the vessel. Overloading or insufficient load can affect the effectiveness and safety of the winch.
• Wear appropriate protective clothing and safety equipment while operating the anchor windlass to ensure personal safety.

Marine Windlass Parameter – Electric Anchor Winch

Chain Diameter/mm	Working Load/KN	Supporting Load/KN	Working Speed(m/min)	Warping Load	Warping Speed(m/min)	Motor Power/KW	Overall Dimensions/mm	Weight/ton
24	25-27	149-214	9	20	8.5	8.5/3.5	1400*1625*1050	3.3
28	33-37	202-289	9	20	8.5	11/11/7.5	1600*1845*1150	3.8
32	44-49	262-375	9	30	8.5	16/16/11	1775*2025*1270	4.6
36	55-62	329-473	9	30	8.5	16/16/11	1775*2025*1270	4.6
40	68-76	403-576	9	50	8.5	22/22/16	1900*2150*1350	5.2
42	75-84	442-630	9	50	8.5	22/22/16	1900*2150*1350	5.2