Mobile Harbour Crane Solutions for Port Container & Heavy Cargo Handling

Product Introduction

Zehua’s mobile harbour portal crane is a heavy-duty material handling solution engineered for ports, terminals, and industrial yards. Manufactured in accordance with international FEM, DIN, and IEC standards, this versatile mobile harbour crane operates alongside dock crane systems, rail mounted gantry crane lines, and floor mounted jib crane units. Available in single-boom and four-link configurations, our mobile harbour crane ensures smooth, reliable transfer for containers, bulk materials, and breakbulk cargo.

What is Mobile Harbour Portal Crane?

A mobile harbour portal crane is a rail-mounted traveling jib crane built upon an elevated portal frame, engineered for continuous loading, unloading, and intermodal freight management in busy marine terminals and industrial yards.

• Working Principle: Traveling along dockside runways, the mobile harbour crane combines 360-degree continuous slewing, variable-speed luffing, and an electric trolley hoisting mechanism to transfer cargo across lifting heights up to 45 meters.

• Jib Structural Configurations:

  • Single-Boom Mobile Harbour Crane: Features a simplified structural design with reduced deadweight and high strength, serving as a cost-effective choice for general freight and breakbulk lifting.

  • Four-Link Mobile Harbour Crane: Employs an articulated lever jib assembly that keeps cargo moving horizontally during luffing operations. This level-luffing motion prevents elevation shifts, stabilizes the load, and lowers motor energy usage during high-frequency cycles.

• Main Assemblies: Constructed with an 80,000 kg heavy-duty gantry portal frame, slewing turntable, lattice or box boom, weatherproof operator cabin, electric trolley hoisting unit, and a machinery room housing the PLC, motors, gearboxes, bearings, and hydraulic pumps.

Key Features

• Robust Structure: High-strength structural steel frame rated for A5 to A7 work duties, supporting capacities from 10 tons up to 100 tons.

• High Safety Performance: Equipped with overload limit cutoffs, storm rail clamps, emergency stop systems, and anti-collision safety sensors.

• Precise Load Control: Driven by an integrated PLC system with cabin control and optional wireless remote control for micro-speed positioning.

• Easy Maintenance: Ergonomic machinery room layout with accessible gearboxes, pumps, motors, and centralized lubrication points.

• Long Service Life: Applied with marine-grade protective coatings and durable gear trains built to withstand demanding coastal conditions.

• Energy Efficiency: Four-link luffing minimizes vertical load displacement, significantly reducing electrical power consumption during continuous duty.

Technical Specifications

Applications

• Harbors & Sea Ports: Handles container transfer, breakbulk offloading, and heavy equipment loading along quay runways.

• Steel Mills & Metallurgical Yards: Moves heavy steel slabs, coils, billets, and raw scrap metal under demanding outdoor conditions.

• Shipyards: Assists in hull block positioning, heavy steel plate handling, and vessel repair operations along drydocks.

• Warehouses & Freight Logistics: Connects dockside rail lines with open storage yards to accelerate intermodal freight distribution.

• Power Plants: Offloads massive power generation modules, turbines, boilers, and transformers at receiving docks.

• Mining Industry: Manages bulk mineral transfer, ore handling, and heavy mining equipment staging at coastal terminals.

Why Choose Zehua

• Professional Crane Manufacturing Experience: Based in Henan, China, Zehua is an original crane manufacturer with extensive engineering facilities dedicated to producing overhead, gantry, jib, and portal cranes.

• Customized Design Capability: We engineer every mobile harbour crane to exact site parameters—tailoring rail spans, boom lengths, lifting capacities (10t–100t), and color choices.

• International Quality Standards: Designed, fabricated, and inspected in strict compliance with DIN, FEM, IEC, and AWS standards.

• Strict Quality Inspection: Every mobile harbour crane unit undergoes complete structural evaluation, certified Machinery Test Reports, and video outgoing-inspections prior to shipment.

• After-Sales Support: Supported by a 1-year warranty, global remote technical assistance, site commissioning guidance, and lifetime spare parts supply.

Installation & Maintenance

• Installation Requirements: Port runways must feature pre-aligned rail tracks rated for heavy portal wheel loads, supported by terminal power hookups and auxiliary mobile cranes during erection.

• Daily Inspection Points: Inspect wire ropes, braking systems, slewing ring lubrication, safety limit switches, and electric trolley drives before operating the mobile harbour crane.

• Maintenance Recommendations: Perform scheduled checks on gearbox oil levels, monitor PLC diagnostic logs, check hydraulic pumps, and refresh anti-corrosion protective paint coatings.

• Spare Parts Availability: Zehua maintains direct factory inventory for core replacement parts—including bearings, motors, gear sets, seal kits, and electrical modules—for rapid global shipment.

Frequently Asked Questions (FAQ)

Q: What is the lifting capacity of a Zehua mobile harbour crane?

A: Zehua mobile harbour crane units offer rated loading capacities ranging from 10 tons to 100 tons (with standard models rated at 20t, 25t, 35t, and 40t) to meet diverse terminal requirements.

Q: How do single-boom and four-link mobile harbour crane designs differ?

A: Single-boom mobile harbour crane designs offer structural simplicity, lighter weight, and economical cost. Four-link mobile harbour crane designs keep cargo moving horizontally during luffing, minimizing height variation and reducing energy consumption during heavy cycles.

Q: Does Zehua provide overseas technical support and on-site commissioning?

A: Yes. As an original equipment manufacturer, Zehua provides full after-sales support, including video outgoing-inspections, certified test reports, and dispatching experienced engineers overseas for on-site installation, commissioning, and training.

Q: How long does a mobile harbour crane installation take?

A: Site erection, rail alignment, and load testing typically take between 3 to 6 weeks, depending on terminal foundation readiness, weather conditions, and site equipment availability.