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Shipbuilding gantry crane

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This crane is mainly used in shipbuilding yards, offshore platform construction, and large dry dock repair facilities.
Capacity:
100 t – 1,200 t+ customizable
Lifting Height:
30 m – 120 m (customizable based on vessel section height)
Span:
40 m – 240 m
Voltage/Hertz:
3 Phase 380V 50hz
Working Class:
A5, A6, A7
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Introduction

Application Scenario

Advantages

Structural Diagram And Parameter Table

INTRODUCTION

What is this?

The shipbuilding gantry crane is a large gantry crane specifically designed for ship construction and repair. Through coordinated operation of multiple trolleys, combined with crane traveling along rails, it achieves precise lifting, turning, and joining of ship hull blocks, large steel structures, marine equipment, and more. If you are managing a shipyard, repair yard, or offshore engineering manufacturing base, and need a crane with large lifting capacity, wide span, and the ability to perform block turning and joining operations, this product is designed for you.

Why choose a shipbuilding gantry crane over a standard gantry crane?

Compared to standard gantry cranes, the shipbuilding gantry crane offers five core advantages:

First, larger lifting capacity – specifically designed for shipbuilding, with lifting capacity from 100 tons to over 2000 tons, meeting the lifting requirements of large ship hull blocks.

Second, capable of block turning – equipped with dual or multiple trolleys working in coordination with specialized lifting beams, capable of completing 180° turning of ship hull blocks.

Third, wider span – shipbuilding gantry crane span can reach 40 meters to 200 meters, covering the entire berth or dock area.

Fourth, higher lifting height – under-hook height can reach 30 meters to 80 meters, accommodating the lifting requirements of large ship superstructures.

Fifth, precise synchronized control – multiple trolley coordination uses high-precision synchronized control systems to ensure smoothness and safety during block lifting and turning.

Support more complex shipbuilding processes with more professional equipment.

What can we do for you?

We understand that every shipyard has different vessel types, different block weights, and different berth dimensions. Therefore, we offer flexible customization options: lifting capacity from 100 tons to over 2000 tons; span from 40 meters to 200 meters; lifting height from 30 meters to 80 meters; trolley quantity of dual, triple, or four-trolley configuration; control options of cabin or remote radio combined with cabin. Whether you are building bulk carriers, container ships, tankers, or offshore engineering platforms, we can match the most suitable lifting capacity and span dimensions.

Unsure? Don't know?

Not sure what capacity is needed to lift your largest block? Not sure how many trolleys are needed to complete turning operations? No problem. Just tell us: your maximum block weight, block dimensions, your berth/dock width, and whether turning functionality is required. Our engineers will provide you with an accurate quote and CAD drawings within 24 hours. Click the button below or contact us via WhatsApp/email to get your customized solution.

💡 Tip: We offer free selection consulting. Even if you are unsure about specific parameters, feel free to describe your vessel type, block dimensions, and construction process, and we will calculate for you.
introduction

APPLICATION SCENARIO

[1] Hull Section Assembly – Lifting and mating prefabricated hull blocks in dry docks.

[2] Engine and Propeller Installation – Hoisting heavy marine engines, shafts, and propellers into position.

[3] Superstructure Fitting – Placing deckhouses, funnels, and masts onto the main hull.

[4] Block Turning – Using dual trolleys to rotate large hull sections for bottom welding.

[5] Launching Assistance – Cooperating with other cranes to slide a completed ship into water.

ADVANTAGES

[1] Ultra-High Capacity – Handles loads from 100t up to 1,200t+, essential for large vessels.

[2] Synchronized Lifting – Multi-trolley system allows precise control for lifting and turning heavy blocks.

[3] Long Span and High Lift – Wide span (>100m) covers entire dry dock; high lift height (>60m) accommodates tall ship sections.

[4] Marine Environment Durability – Corrosion-resistant coatings, sealed electricals, and anti-corrosion steel.

[5] High Duty Cycle – Designed for continuous, heavy-duty shipyard operations (A7-A8 duty class).

STRUCTURAL DIAGRAM AND PARAMETER TABLE

Parameter Specification
Working Class A5, A6, A7 (Medium to heavy duty for shipyard operation)
Capacity 100 t – 1,200 t+ (Main hook + auxiliary hook + crab configuration available)
Span 40 m – 240 m (customizable for different dock/slipway widths)
Lifting Height 30 m – 120 m (customizable based on vessel section height)
Lifting Speed Main hook: 0.5 – 6 m/min Auxiliary hook: 2 – 12 m/min (VVVF stepless speed control standard with creeping mode for precise positioning)
Trolley Travelling Speed 10 – 40 m/min (VVVF standard for smooth acceleration/deceleration)
Crane Travelling Speed 10 – 30 m/min (VVVF standard, soft start/stop for heavy loads)
Control Method Cabin control (air-conditioned, panoramic view) / Remote radio control / Pendant control
Power Supply 10kV / 50Hz / 3-phase (high voltage cable reel or sliding contact line)
Temperature -20°C to +50°C (outdoor shipyard environment, coastal)
Protection Grade Motors: IP54 – IP56 (marine grade, corrosion resistant), Insulation class F or H Electrical cabinet: IP54 – IP65 (dust/water protected)
Girder Type Double Girder – Heavy-duty box section with full-penetration welding (single or twin box girder)