Stationary Port Gantry Cranes

Key Features of Stationary Port Gantry Cranes
Fixed Installation – Anchored to concrete foundations for maximum stability.

High Load Capacity – Typically ranges from 30 to 500+ tons, depending on design (single or double girder).

Wide Span Coverage – Can span multiple rail tracks or container rows for efficient stacking and retrieval.

Electric or Hybrid Power – Most modern versions use electric motors for smoother operation and reduced emissions.

Automation Compatibility – Some models integrate with RFID and WLAN systems for automated container tracking.

Advantages Over Mobile Cranes

✅ Higher lifting capacity and stability.
✅ Lower long-term operational costs (no fuel or repositioning needed).
✅ Better suited for high-volume, repetitive tasks.

Comparison with Mobile Gantry Cranes

Case Studies & Innovations

Place of Origin:Henan, China

Warranty:2 years

Weight (KG):60000 kg

Video outgoing-inspection:Provided

Machinery Test Report:Provided

Application:warehouses,factory and other place

Crane type:box type gantry crane

Travelling speed:20m/min

Lifting mechanism:Electric Hoist

Control method:Ground Control+ Remote Control (customized)

Working duty:A5

Working Temperature:-20~+40℃

Industrial voltage:380V50HZ3Phanse or other

Color:Customised

Customization:Accepted

Stationary port gantry cranes are heavy-duty lifting systems designed for container handling, bulk cargo operations, and intermodal logistics. Below are the key structural and mechanical components:

1. Structural Components
A. Gantry Frame (Main Structure)
Legs (Supports) – Vertical columns that bear the crane's weight and load, anchored to a reinforced foundation.

Girder (Bridge Beam) – The horizontal beam that spans the working area;

                                        can be single girder (lighter loads) or double girder (heavy-duty).

End Carriages – Structures at each end of the girder that house wheels for movement (if rail-mounted).

B. Foundation & Rails
Concrete Foundation – Heavy-duty base to withstand dynamic loads and prevent tilting.

Runway Rails – Steel tracks for rail-mounted gantry cranes (RMGs) to move along a fixed path.

2. Lifting & Hoisting Mechanism
A. Hoist Unit
Electric or Hydraulic Hoist – Lifts and lowers cargo (containers, bulk materials).

Wire Rope & Sheaves – Steel cables and pulleys for load handling.

Hook Block or Spreader – A specialized lifting attachment (e.g., twistlock spreader for containers).

B. Trolley System
Trolley Frame – Moves horizontally along the girder to position the load.

Drive Motors & Gears – Powers trolley movement (AC/DC motors with regenerative braking).

Wheels & Guide Rollers – Ensures smooth travel along the girder.

3. Drive & Motion Systems
A. Crane Travel System (for RMGs)
Travel Motors – Electric motors that move the entire crane along rails.

Wheels & Axles – Steel wheels with anti-derailment features.

Buffers & Bumpers – Shock absorbers to prevent collisions.

B. Braking & Safety Systems
Disc or Drum Brakes – For controlled stopping.

Anti-Collision Sensors – Prevents accidents with other cranes or obstacles.

Anemometer & Wind Brakes – For operations in high winds.

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4. Electrical & Control Systems
A. Power Supply
Cable Reel or Conductor Bars – Delivers electricity to the crane.

Generators (for remote locations) – Used if grid power is unavailable.

B. Control Systems
Operator Cabin – Enclosed or open cabin with joystick/remote controls.

PLC & Automation – Programmable logic controllers for automated stacking.

Remote Monitoring (IoT Sensors) – Tracks load weight, crane health, and energy use.

5. Safety & Auxiliary Components
Limit Switches – Prevents over-travel of trolley/hoist.

Load Cells & Weighing System – Measures cargo weight.

Lighting & Warning Alarms – For night operations and safety alerts.

Ladders & Maintenance Platforms – For servicing the crane.

Comparison with Mobile Gantry Cranes

Sketch

Main technical

Advantages of Stationary Port Gantry Cranes
1. High Load Capacity & Stability
Designed to handle 30 to 500+ tons, making them ideal for heavy container and bulk cargo operations.

Fixed to reinforced concrete foundations, ensuring minimal sway and precise load positioning.

2. Energy Efficiency & Automation
Modern models incorporate regenerative braking and low-rolling-resistance wheels to reduce energy consumption.

Compatible with AI, IoT, and 5G systems for automated container tracking and remote-controlled operations.

3. Durability & Low Maintenance
Constructed from high-strength steel alloys with corrosion-resistant coatings for long-term use in harsh marine environments.

Reduced wear and tear compared to mobile cranes due to fixed installation.

4. Operational Efficiency
Faster cycle times due to optimized trolley and hoist movements.

Dedicated rail tracks (for RMGs) allow seamless movement along container stacks without repositioning.

5. Safety & Compliance
Equipped with anti-collision sensors, anemometers (wind speed detectors), and automatic braking systems.

Complies with international port safety standards (e.g., ISO, GB/T).

Applications of Stationary Port Gantry Cranes
1. Container Handling
Loading/unloading ships (quayside operations).

Stacking containers in yards (up to 6 rows wide and 4 tiers high).

2. Intermodal Transport
Transferring containers between ships, trucks, and trains.

Used in rail-mounted gantry (RMG) systems for efficient yard logistics.

3. Bulk Cargo Operations
Handling coal, grain, and ore using grab attachments.

Common in mineral export terminals and power plant docks.

4. Shipbuilding & Repair
Assisting in ship assembly with capacities up to 1,500 tons (double-girder models).

5. Large-Scale Infrastructure Projects
Used in dam construction, bridge building, and offshore platform installations.

1. Requirement Analysis & Technical Design
Client Consultation: Understand the customer's specific needs (load capacity, span, lifting height, working environment, control system, safety features).
Site Assessment: Evaluate the installation site, environmental conditions, and any special constraints.
Engineering Design:
Develop detailed 3D CAD drawings and structural calculations for the girder, end carriages, trolley, hoist, and electric systems.
Customize components such as motors, brakes, control panels, and safety devices based on project specifications.
Ensure compliance with international standards (ISO, FEM, CMAA, etc.).
2. Material Procurement
Steel Structure Materials: Source high-quality steel plates, beams, and profiles (Q235B/Q355B or equivalent) for the girder and frame.
Electrical & Mechanical Components: Purchase motors, gearboxes, brakes, hoists, control panels, limit switches, cables, and other electrical components from approved suppliers.
Specialty Items: Order additional customized parts (e.g., explosion-proof motors, stainless steel components, or corrosion-resistant finishes if needed).
3. Steel Structure Fabrication
Cutting: Use CNC cutting machines or laser cutters to process steel plates and profiles according to design specifications.
Beveling: Perform edge preparation for welding using beveling machines.
Welding:
Weld the main girder, end carriages, and other structural components according to certified welding procedures.
Conduct weld inspections (visual inspection, ultrasonic or X-ray testing if required).
Straightening: Use hydraulic presses to ensure the girder and frame are straight and dimensionally accurate.
Machining: Machine key connection points (e.g., wheel bases, trolley rails) for precise assembly.
4. Surface Treatment
Sandblasting/Shot Blasting: Remove rust, scale, and surface impurities from the steel structure to achieve SA2.5 or better surface grade.
Painting/Coating:
Apply primer and finishing coats based on the environmental working conditions (e.g., marine-grade paint for outdoor cranes).
Optional: Apply anti-corrosion, anti-static, or explosion-proof coatings depending on the client's requirements.
5. Component Assembly
Hoist & Trolley Assembly:
Assemble the electric hoist and trolley system, including motors, gear reducers, wire ropes or chains, and hook blocks.
Pre-install limit switches, brakes, and cable reels.
End Carriage Assembly:
Install traveling wheels, bearings, buffers, and drives onto the end carriages.
Electrical Wiring:
Pre-wire key components (e.g., hoist motor, trolley motor) in accordance with the electrical layout.
Install control systems, power supply cables, festoon systems, or cable carriers.
6. Pre-Assembly & Trial Fitting
Pre-assemble the girder, end carriages, hoist, trolley, and electrical system at the factory to ensure proper fit and alignment.
Conduct tolerance checks on critical dimensions (e.g., span, wheelbase, and diagonal measurements).
7. Factory Testing (Pre-Delivery Inspection)
Mechanical Testing: Perform no-load and partial-load tests on hoisting, trolley travel, and crane travel systems to verify smooth and reliable operation.
Electrical Testing: Verify proper functioning of motors, control panels, limit switches, alarms, and safety devices.
Safety Inspection:
Overload protection testing.
Emergency stop and brake system verification.
Check for proper function of sound and light alarms.
Note: A third-party inspection can be arranged if required by the client.
8. Disassembly & Packaging
Disassemble major components (girder, trolley, hoist, end carriages) for transport.
Protect all surfaces with anti-corrosion oil or protective wraps.
Use reinforced wooden crates or steel frames for sensitive components like motors, control systems, and electrical parts.
9. Delivery & Logistics
Organize transportation (by truck, rail, or sea) to the customer's site.
Provide detailed installation manuals, electrical diagrams, and operation guides along with the shipment.

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%.