150 Tons Boat Lifting Gantry Crane

A 150 Tons Boat Lifting Gantry Crane is a heavy-duty crane designed to lift large boats, ships, or maritime vessels weighing up to 150 tons. These cranes are commonly used in shipyards, docks, or marine maintenance facilities for loading and unloading vessels, as well as performing repairs or maintenance on large boats.

 

Capacity: The crane is capable of lifting boats and ships that weigh up to 150 tons.

Gantry Design: It features a gantry structure, which means it is mounted on rails or tracks that allow it to move along a specific path, typically used for moving boats in and out of the water.

Hydraulic Lifting System: Most of these cranes use a hydraulic system to raise and lower the boat or vessel. The lifting mechanism is designed to ensure smooth, stable operations.

Lifting Height and Reach: These cranes are equipped with adjustable hooks or slings, which can lift boats to a significant height to perform tasks such as repairs or transportation.

Customization: Depending on the specific needs of the dock or shipyard, these cranes can be customized to suit different types of boats and operational requirements.

Safety Features: The cranes often include safety features like overload protection, emergency stop functions, and stable hoisting mechanisms to prevent accidents during lifting operations.

 

Comparison with Other Marine Lifting Solutions

Feature	Small Boat Gantry Crane	Travel Lift	Forklift (Marine)
Mobility	Portable, some wheeled	Fixed or rail-mounted	Highly mobile
Capacity	1–20 tons	10–100+ tons	2–10 tons
Best For	Small boats, DIY yards	Large marinas	Lightweight boats
Cost	Lower	Higher	Moderate

 

Lifting Capacity 1 - 20 tons
Span (Width) 3 - 12 meters (adjustable)
Lifting Height 3 - 10 meters
Working Class A3-A5 (light to medium duty)
Hoisting Speed 0.5 - 8 m/min (variable)
Main Beam Type Single/double girder (box-type)
Power Supply 220V/380V 3-phase or manual
Control Mode Pendant control/wireless remote
Hoist Type Electric chain hoist/wire rope hoist
Travel Drive Manual push or motorized
Corrosion Protection Hot-dip galvanized or marine-grade paint
Wind Resistance Up to Beaufort scale 6 (for outdoor use)
Operating Temp -20°C to +50°C

 

 

 

🔧 Main Components of a 150-Ton Boat Lifting Gantry Crane
1. Main Frame (Structure)
U-shaped steel frame: Carries the load and gives clearance for the boat.

Cross beams and legs: Support the entire lifting mechanism.

2. Lifting Mechanism
Wire rope hoists or winches: For lifting and lowering the load.

Lifting slings (belts/straps): Heavy-duty webbing slings to cradle the boat's hull.

Pulleys and sheaves: Guide the wire rope through the system.

3. Hydraulic System
Hydraulic cylinders: Often used for steering or adjusting sling positions.

Hydraulic power unit (HPU): Powers the hydraulic movement.

4. Wheel and Travel System
Rubber tires (usually 8 or 16): Suitable for rough or uneven surfaces.

Drive motors: Electric or diesel-powered, for independent wheel control.

Steering system: Usually 4-wheel or 8-wheel steering for tight maneuvering.

5. Power System
Diesel engine (common) or electric motor: Main power source.

Battery or hybrid options: In eco-friendly models.

6. Control System
Cabin control (less common) or wireless remote control (most common).

PLC system: For automated or semi-automated operation.

7. Safety and Monitoring Devices
Load cells: For weight monitoring.

Limit switches: To prevent over-lifting or over-travel.

Cameras and sensors: For operator assistance and safety.

Emergency stop systems.

 

B. Support Legs (End Carriages)

End Carriages are the structural frames located at each end of a gantry crane. They house the wheels and motor drives that allow the crane to move along its runway. For a 150-ton boat hoisting gantry crane, the end carriages are especially robust and engineered for marine environments.

✅ Key Features:
Capacity: Designed for cranes lifting up to 150 tons

Application: Suitable for boat/ship lifting gantry cranes, typically used in marinas, shipyards, or boat maintenance facilities

Material: High-strength low-alloy steel (Q345 or similar)

Wheel Configuration: 4-wheel, 8-wheel, or customized based on design (usually double-flanged wheels)

Drive System: Motorized with SEW/Nord gear motors or custom electric drive

Travel System: Frequency inverter controlled (VFD) for smooth start/stop

Coating: Marine-grade anti-corrosion paint for outdoor/saltwater environments

Optional: Rubber tires (if it's a mobile boat hoist instead of a rail gantry)

 

 

C. Base Frame (Runway System)

The runway system for a gantry crane refers to the path it travels on. In the case of a boat lifting crane, it's often a wheel-based mobile gantry running on concrete runways or rails, depending on the design.

🚩 Types:
Rubber-Tired Gantry (RTG) – No fixed rails; highly mobile

Rail-Mounted Gantry (RMG) – Moves on fixed steel rails

Fixed-Track with Pit – For slipway applications (launch & retrieval from water)

🌟 Features:
Strong concrete base or embedded rails

Drainage system (important in marine environments)

Embedded power supply (optional if not diesel-driven)

 

 

2. Lifting & Hoisting Mechanism

🔧 Lifting & Hoisting Mechanism Overview (150T Boat Lifting Gantry Crane)
1. Main Lifting System
Lifting Capacity: 150 Tons

Type: Synchronous multiple-point hoisting system (usually 4, 6, or 8 points)

Hoisting Mechanism: Electric winch system or hydraulic cylinder system

Drive Method: Electric motor (commonly three-phase AC motor) + gearbox

Synchronization: PLC-based control for synchronized lifting across all points

Speed:

Lifting Speed: Approx. 0.8 – 1.5 m/min (adjustable)

Lowering Speed: Similar to lifting or slightly faster (depending on design)

2. Wire Rope & Pulley System
Wire Rope: High-strength anti-rotation steel wire rope

Pulley Blocks: Designed for multi-fall configuration for even load distribution

Guidance: Pulley blocks ensure smooth vertical movement with minimum swing

 

3. Load Spreader / Lifting Slings
Adjustable Sling Points: Soft slings or fixed spreader beams

Sling Material: High-strength nylon or polyester slings

Load Adjustability: Adjustable for various boat hull sizes and shapes

4. Hydraulic vs. Electric Lifting
Electric Winch Type (Common):

Easy maintenance

Lower initial cost

Hydraulic Cylinder Type (Optional in advanced models):

Higher precision control

Smooth operation and compact design

Usually used for heavy-duty or high-frequency operations

5. Control System
Remote Control + Cabin Option

PLC-Controlled Hoisting Synchronization

Overload Protection, Limit Switches, and Emergency Stop

 

 

4. Optional Accessories

🔧 Optional Accessories for 150 Tons Boat Lifting Gantry Crane
Remote Control System

Wireless or wired remote control for easier and safer operation.

Camera Monitoring System

CCTV cameras installed at key points (like hook, wheels) to monitor lifting and movement.

Load Weighing System

Digital load cells and display to show real-time lifting weight for safety and management.

Automatic Steering System

Automated or assisted steering modes: four-wheel steering, 90° steering, diagonal movement, etc.

Hydraulic Power Pack Customization

Dual power pack system for redundancy and continuous operation.

Anti-Collision System

Radar, ultrasonic, or laser sensors to prevent collision with obstacles or other equipment.

Lighting System

LED working lights for night operation or poor visibility conditions.

Weather Protection System

Canopy or full coverage over the control cabin or operator platform.

Emergency Stop & Safety Alarms

Enhanced safety features including alarms, warning lights, and emergency stops at multiple points.

Custom Sling or Lifting Belt System

Adjustable slings or soft straps for different boat sizes and hull shapes.

Wheel Load Sensors

For monitoring ground pressure, especially useful in marinas with fragile surfaces.

GPS Positioning System

Real-time tracking and position recording for operational monitoring.

Cabin with Air Conditioning / Heating

Enclosed operator cabin for extreme weather environments.

Full Electric or Hybrid Drive

Environmentally friendly options to replace diesel engines.

Maintenance Platform or Ladder

For easy access to major components for regular inspection and maintenance.

 

SKETCH

 

Main technical

 

A 150 tons boat lifting gantry crane is a heavy-duty piece of equipment designed for lifting and transporting boats, especially in shipyards, marinas, and boat repair facilities. Here are some key advantages of this type of crane:

🚢 Advantages of 150 Tons Boat Lifting Gantry Crane
1. High Lifting Capacity
Capable of safely lifting large yachts, fishing vessels, or medium-sized commercial boats up to 150 tons.

Ideal for handling a wide range of vessel types and sizes.

2. Customizable Design
Can be tailored to different boat shapes and dimensions.

Adjustable lifting points with slings or straps that conform to hull shapes to prevent damage.

3. Precise and Safe Handling
Smooth vertical lifting and lowering with minimal sway.

Typically equipped with multiple wheels and steering modes for precision movement.

4. Efficient Space Utilization
Operates in narrow spaces like shipyards or marinas.

Can lift boats from water and transport them on land without requiring rail tracks.

5. All-Terrain Mobility
Pneumatic tires or rubber wheels make it suitable for various surfaces including concrete, asphalt, and compacted gravel.

Can move boats over long distances within a facility.

6. Cost-Effective Operations
Reduces the need for dry docks or travel lifts.

Speeds up boat maintenance cycles and handling times.

7. Durability and Reliability
Built with corrosion-resistant materials, especially for marine environments.

Designed to withstand heavy-duty use and harsh weather conditions.

8. Remote Control & Automation
Modern units are equipped with wireless remote controls or cabins.

Offers better visibility and safer operation.

9. Environmentally Friendly Options
Some models are available with hybrid or electric power systems, reducing emissions and fuel consumption.

10. Improves Safety for Personnel and Boats
Reduces risks associated with traditional crane systems or manual boat handling.

Stabilizes the load to avoid shifting during lifting or transport.

 

A 150-ton boat lifting gantry crane (also known as a boat hoist, travel lift, or marine hoist) is a specialized piece of equipment used in marinas, shipyards, and boatyards. It is designed to lift, transport, and launch or retrieve boats and yachts with a total weight of up to 150 tons. Here's an overview of its application:

✅ Applications of a 150-Ton Boat Lifting Gantry Crane
1. Boat Launching and Retrieval
Launch boats from the land into the water.

Lift boats out of the water for storage, maintenance, or repairs.

2. Boat Transport
Move boats around the marina or shipyard.

Transport vessels between storage areas and launching docks.

Reduce risk of hull damage by evenly distributing weight via slings.

3. Boat Maintenance and Repair
Provide access to the hull, propellers, and underwater parts for:

Cleaning

Painting (antifouling)

Inspections

Repairs (propulsion, steering systems, etc.)

4. Boat Storage
Assist in dry docking operations.

Stack or organize boats in storage yards or sheds.

Seasonal storage (e.g., winterizing yachts).

5. Shipyard Operations
Used in commercial and military shipyards for handling mid-sized vessels.

Support the assembly or disassembly of marine structures.

 

🔧 150 Tons Boat Lifting Gantry Crane – Production Process
1. Customer Requirements & Design
Technical discussions with the client to understand the boat sizes, lifting conditions, travel distance, and site environment.

Customized design of the gantry crane structure and components using CAD/3D modeling.

Load calculations, stress analysis, and FEA (Finite Element Analysis) for safety and performance.

Confirm design standards (e.g., FEM, CMAA, ISO, GB).

2. Raw Material Procurement
High-quality Q345B / Q355B structural steel is sourced for the frame.

Purchase of key components:

Hydraulic system parts

Wheel assemblies

Hoisting winches

Electrical components (inverters, PLCs, etc.)

Tires (polyurethane or rubber) for ground travel

3. Steel Structure Fabrication
Cutting: CNC cutting of steel plates and beams

Welding: MIG/TIG welding of the main frame, end carriages, and lifting arms

Machining: Precision machining of pin holes, bearing housings, and mounting plates

Assembly: Pre-assembly of side beams, cross beams, and support legs

4. Surface Treatment
Sandblasting to remove rust and impurities (up to Sa2.5)

Primer coating and topcoat painting (marine-grade epoxy coating for corrosion protection)

5. Mechanical Assembly
Installation of hoisting mechanisms

Mounting of wheels and steering mechanisms

Connection of lifting belts/straps or spreaders

Hydraulic system installation (including pumps, valves, tanks, and cylinders)

6. Electrical System Integration
Control cabinet wiring (PLC-based or push-button control)

Cable laying and limit switch installation

Testing of drive systems (inverter-controlled for smooth movement)

Safety devices installation: alarms, emergency stop, overload protection

7. Factory Testing (No-load & Load Tests)
Functional testing of lifting, steering, and traveling

No-load lifting & traveling

Load testing with test weights or dummy load (usually 125% of rated capacity)

Adjustments and performance tuning

8. Disassembly and Packaging
Crane is disassembled into shipping sections

Steel structures packed with protective wrap

Electrical and hydraulic parts packed in wooden crates

9. Delivery to Site
Shipment via flatbed truck or open-top container

Includes installation manuals, drawings, spare parts

10. On-Site Installation & Commissioning
Reassembly under supervision of engineering team

On-site load testing and operator training

Final commissioning and handover

Workshop view:

The company has installed an intelligent equipment management platform, and has installed 310 sets (sets) of handling and welding robots. After the completion of the plan, there will be more than 500 sets (sets), and the equipment networking rate will reach 95%. 32 welding lines have been put into use, 50 are planned to be installed, and the automation rate of the entire product line has reached 85%.