CONTAINER LIFTING CRANE

Four-link Portal Container Crane

Authentication mark:

Container Terminals Seaports River Ports Inland Container Depots (ICD) Logistics Parks Intermodal Freight Centers Bulk & Container Multipurpose Ports Port Expansion Projects

Capacity:

16–65 tons (Customizable)

Lifting Height:

10–35 m (Customizable)

Span:

10.5–35 m (Customizable)

Voltage/Hertz:

(Customizable)

Working Class:

A7 / A8 (Customizable)

Get A Free Quote

Introduction

Application Scenario

Advantages

Structural Diagram And Parameter Table

INTRODUCTION

Four-link Portal Container Crane The Four-link Portal Container Crane is a rail-mounted port crane specifically engineered for efficient container handling at seaports, inland terminals, and logistics hubs. Its advanced four-link luffing mechanism keeps the spreader nearly horizontal during luffing, improving positioning accuracy and reducing container swing. Designed for continuous heavy-duty operation, the crane combines high lifting capacity, fast working cycles, and low maintenance requirements. It supports a variety of container sizes and can be equipped with telescopic spreaders, hooks, or other lifting attachments for multipurpose cargo handling. Its modular structure allows flexible customization to suit different quay layouts, rail gauges, lifting heights, and operational requirements.

APPLICATION SCENARIO

ISO Container Loading & Unloading Port Container Transfer Inland Container Depot Operations Intermodal Freight Handling Rail-to-Container Transfer Ship-to-Shore Container Handling Multipurpose Port Cargo Handling Logistics Distribution Centers

ADVANTAGES

Optimized Four-link Luffing System Maintains a nearly horizontal spreader throughout the luffing motion, improving positioning precision. High Container Handling Efficiency Fast lifting, luffing, slewing, and traveling speeds maximize terminal productivity. Stable Container Operation Reduces container sway during operation for safer and faster handling. Heavy-duty Structural Design Designed for continuous A7/A8 duty cycles with long service life. Flexible Lifting Attachments Supports: Container Spreader Hook Grab Bucket Lifting Beam Intelligent Control Options Optional: PLC Automation Anti-sway Control Load Monitoring Remote Diagnostics Automatic Positioning Low Operating Cost Energy-efficient drives and optimized mechanisms reduce maintenance and power consumption. Custom Engineering Available with customized: Rail Gauge Outreach Lifting Height Capacity Power Supply

STRUCTURAL DIAGRAM AND PARAMETER TABLE

Item	Specification
Rated Capacity	16–65 t (Customizable)
Max Capacity	Up to 100 t (Customizable)
Lifting Height Above Rail	18–35 m (Customizable)
Lifting Depth Below Rail	10–18 m (Customizable)
Rail Gauge	10.5–35 m (Customizable)
Outreach	20–45 m (Customizable)
Slewing Angle	360°
Hoisting Speed	20–60 m/min (Customizable)
Luffing Speed	30–60 m/min (Customizable)
Slewing Speed	0–1.5 rpm
Traveling Speed	20–45 m/min
Work Duty	A7 / A8 (Customizable)
Power Supply	(Customizable)
Control Mode	Cabin / Remote / PLC
Lifting Device	Container Spreader / Hook / grab

Six core advantages

Full Scenario Coverage

Nucleon covers over 20 product categories including ladle cranes, multi-purpose cranes, intelligent cranes, overhead/portal cranes, RTG, RMG, deck cranes, portal cranes, girder launchers, yacht cranes, KBK, and jib cranes. From steel smelting to port handling, bridge construction to ship equipment, Nucleon provides one-stop lifting solutions. Whether standard models or extreme-condition customizations, Nucleon possesses mature technical expertise and proven track records, saving customers from dealing with multiple suppliers.

Military-Grade Quality Standards

We use high-strength steel from Baosteel/Ansteel for key structural components, with 100% NDT inspection and one-clamp CNC gantry machining. Every machine undergoes 120% dynamic load and 125% static load tests before delivery, with continuous operation verification under extreme conditions. Even in 24/7 continuous casting plants, -40°C arctic ports, or high-temperature humid ship cabins, our cranes maintain millimeter-level precision and zero-drift stability—quality that stands the test of time.

Extended Longevity & Low Maintenance Cost

Our main girders are FEA-optimized and double-submerged arc welded, with a design life of ≥30 years. Key bearings are lifetime lubrication-free, and hardened travel wheels extend wear cycles by 3 times. Core components feature modular quick-change interfaces with spare parts commonality exceeding 80%. Annual maintenance costs are reduced by 40%~60%, saving millions in lifecycle operating expenses — truly "invest once, benefit long-term."

Energy Efficiency Leader

Our entire series comes standard with IE5 permanent magnet synchronous motors + energy feedback VFD drives, achieving 25%~35% comprehensive energy savings. Single-motor operation under light loads and adaptive speed control reduce electrical waste by over 30%. High-strength steel lightweight design cuts deadweight by 15%~20%, lowering workshop load requirements. A single ladle crane station saves over RMB 150,000 in electricity costs annually, helping customers achieve green and low-carbon production.

Ultimate Safety Redundancy Design

Our hoisting mechanism comes standard with dual brakes + mechanical overspeed switch + triple limit switches, featuring multiple redundant interlocks to prevent load dropping and over-traveling. Large products use box girder torsion-resistant structures, remaining stable even in level 8 gusty winds. Optional intelligent safety monitoring systems detect anomalies in load, skew, wind speed, etc., with automatic alarms and shutdowns. Overall safety redundancy coefficient > 2.0, maintaining zero crane safety incidents for many consecutive years.

Deep Customization & Full Lifecycle Service

We provide complete front-end support from site survey and mechanical simulation to civil review, delivering custom drawings within 2 weeks, with non-standard lead times only 5~7 days longer than standard products. We establish lifelong digital dossiers for customers, warning of end-of-life components 3 months in advance. Our full lifecycle services cover installation training, regular inspections, and remote O&M. With customer repeat purchase rates exceeding 85% for five consecutive years, we are a trustworthy long-term partner.

CONTAINER LIFTING CRANE

Four-link Portal Container Crane

Introduction

Application Scenario

Advantages

Structural Diagram And Parameter Table

INTRODUCTION

APPLICATION SCENARIO

ADVANTAGES

STRUCTURAL DIAGRAM AND PARAMETER TABLE

Six core advantages

WHY CHOOSE NUCLEON

Safety First

Custom Engineering

Global Support

Cost-Effective ROI

500+

1200+

33

170+

NUCOLLEN CERTIFICATE

CU-TR Certificate

ISO 14001:2004 Certificate

EAC Certificate

ISO 45001:2018 Certificate

EC Machine Safety Attestation Certificate

EJ/T 9001-2014 Certificate

CE Conformity

NEED A CUSTOMIZED LIFTING SOLUTION?

Send Product Inquiry

Send Product Inquiry

DEVELOP YOUR LIFTING SOLUTION

GET A QUOTE