What is a telescopic boom ship crane and what are its main advantages?

A telescopic boom ship crane is a type of marine crane featuring a boom that can extend and retract using hydraulic cylinders, allowing the operator to adjust the boom length to achieve varying lifting radii and heights as needed, and its main advantages include excellent lifting capacity at both short and extended reaches, compact stowage when fully retracted which saves valuable deck space, quick and precise positioning of loads without the need to reposition the entire vessel, and smooth load control during both extension and retraction, making it particularly suitable for cargo handling, supply vessel operations, and offshore support tasks where flexibility and efficiency are critical.

How does a telescopic boom ship crane differ from a knuckle boom crane?

A telescopic boom ship crane differs from a knuckle boom crane primarily in its boom structure and articulation, as the telescopic boom consists of nested sections that slide in and out in a straight line to achieve variable reach, providing higher lifting capacities at longer radii and greater vertical lift heights with simpler control, while a knuckle boom crane features an articulated, multi-jointed arm that folds like a finger, offering superior maneuverability around obstacles and much more compact stowage, but typically with lower lifting capacities and more complex control, so telescopic booms are generally preferred for open deck cargo handling and heavy lifts where straight-line reach is most important, while knuckle booms excel in tight spaces and complex load maneuvering.

What safety features are critical for a telescopic boom ship crane?

Critical safety features for a telescopic boom ship crane include a Load Moment Indicator (LMI) or rated capacity indicator that continuously monitors load weight, boom angle, and boom extension length to prevent overload conditions, an anti-two-block system that stops the hook from contacting the boom tip, an automatic boom extension limiter that prevents over-extension beyond safe parameters, emergency stop functions for immediate shutdown, a hydraulic holding valve that locks the boom in position in case of hydraulic pressure loss, and wind speed indicators that alert the operator to unsafe weather conditions, all of which are essential to ensure safe lifting operations in the demanding marine environment.

Marine Telescopic Boom Crane

Telescopic Boom Ship Crane

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For customized products, please fill out information and submit the form.

Capacity:

2t, 3t, 5t, 10t (customizable)

Lifting Height:

(customizable)

Voltage/Hertz:

(customizable)

Working Class:

Span:

10~20m (customizable)

Apply: This is where our Marine Telescopic Boom Crane rises to the challenge. Engineered for the world's most demanding environments, this crane is the backbone of efficiency and safety across numerous maritime sectors.

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Introduction

Technical Data

Application

Features

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PRODUCT INTRODUCTION

The Telescopic Boom Ship Crane is a versatile and space‑efficient lifting solution specifically designed for marine and offshore applications where deck space is at a premium and operational flexibility is paramount. Unlike fixed‑boom or knuckle‑boom designs, the telescopic boom features multiple nested sections that extend and retract hydraulically, allowing the crane to achieve extended reach when needed while maintaining a compact stowed profile.

TECHNICAL DATA

Parameter	Specification	Parameter	Specification
Core Components	PLC, Engine, Bearing, Gearbox, Motor, Gear, other	Video outgoing-inspection	Provided
Rated Loading Capacity	3-500ton	Max. Lifting Height	120M
Weight (KG)	5680	Application	Marine/shipyard etc
Slewing Angle(degree)	360/270	Product type	Offshore Equipments
Warranty	1 Year	Rated Lifting Moment	Loading Capacity
Span	12~35m	Place of Origin	Henan, China
Main Electrical Part	Siemens or Schneider	Color	Customized
Power	(customizable)	Type	Telescopic Boom

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APPLICATION

1. General Cargo & Container Vessels Cargo Hold Access: Reaching deep into cargo holds to load and unpackaged goods, palletized materials, and breakbulk cargo using the telescopic boom's extended reach.Deck Cargo Handling: Lifting containers, machinery, and heavy equipment stored on deck with the ability to adjust reach for different stowage positions.Hatch Cover Removal: Lifting and repositioning heavy hatch covers during loading and unloading operations.

2. Offshore Supply Vessels (OSV)Platform Supply: Transferring pipes, drilling equipment, containers, and bulk materials from the vessel deck to offshore platforms using variable reach to match platform elevations.Deck Cargo Management: Organizing and repositioning deck cargo (coils, reels, chemical tanks) with the crane's ability to reach across the vessel's deck.Anchor Handling Support: Assisting in anchor deployment and retrieval by positioning loads precisely over the stern or bow.

3. Research & Oceanographic Vessels Scientific Equipment Deployment: Launching and recovering CTD rosettes, sediment corers, plankton nets, and underwater sampling gear with controlled boom extension for precise water column positioning.Mooring System Handling: Lifting and placing heavy mooring anchors, buoyancy elements, and acoustic releases during oceanographic array installations.

FEATURES

Variable Reach: Hydraulically extendable boom sections provide adjustable lifting radii, allowing the crane to service different deck areas or reach over obstacles.

Compact Stowage: When retracted, the crane occupies minimal deck space, reducing interference with vessel operations and improving safety during heavy seas.

High Maneuverability: Precise hydraulic controls enable smooth, metered boom extension and retraction, ideal for confined spaces and precise load placement.

Marine‑Grade Construction: High‑tensile steel with specialized anti‑corrosion coatings, stainless steel hydraulic fittings, and sealed electrical components for long‑term durability.