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Category: Load Turning Device
Specially engineered for boat hull construction and maintenance, this crane load rotator delivers stable load bearing and safe turning, enabling lifting and multi-angle rotation of large boat hulls.
Email:sale@kfqizhongji.com
Contact Us For QuotationIn the modern shipbuilding industry and offshore engineering, the lifting, turning and precise positioning of boat hull sections are among the key processes. The crane load rotator for lifting and rotating boat hulls is a special lifting attachment installed on crane hooks or steel beams. By integrating a rotary drive system and load fixing structure, it enables safe lifting, smooth rotation and accurate positioning of boat hulls.
Structure of the Crane Load Rotator
Load-Bearing Structure: Made of high strength alloy steel with excellent bending and torsion resistance, ensuring stable operation under heavy load conditions.
Rotary Drive System: Electrically driven with a built-in high torque reducer, supporting 360° continuous rotation or turning at specified angles.
Clamping Device: Customized lifting point design suitable for various hull structures. High strength synthetic fiber flexible belt slings are used to prevent workpiece damage.
Control System: Optional wireless remote control or wired control, supporting variable frequency speed regulation for smooth start and stop.
Safety Protection System: Safety limit switches, overload protection, emergency stop devices, anti-falling safety locking structures, etc.

Product Technical Parameters ( Customization Available )
| Parameter | Specification |
|---|---|
| Rated Load | 1T - 50T |
| Rotation Angle | 0° - 360° continuous rotation / step turning |
| Rotation Speed | 0.1 - 1 rpm (variable frequency adjustable) |
| Drive Mode | Electric drive |
| Lifting Sling | Synthetic fiber belt / chain |
| Control Mode | Wireless remote control / pendant control |
| Operating Voltage | 380V / 50Hz (customizable) |
| Protection Grade | IP54 / IP65 (optional for clean or anti-corrosion environments) |
| Operating Temperature | -20℃ ~ +60℃ |
How to Achieve Safe and Efficient Lifting and Rotation of Boat Hulls
Reasonable arrangement of lifting points keeps the hull' s center of gravity stable during lifting, avoiding tilting or swaying;
Synchronous multi-point lifting with overhead crane ensures even force distribution on the hull;
After lifting the hull to a safe height, activate the rotary drive system. The reducer delivers high torque to achieve smooth hull turning and precise positioning for welding or assembly.
Product Advantages of Crane Load Rotator
Multiple safety protections effectively prevent risks of overload, slipping and misoperation.
Supports fine positioning to meet high precision assembly and welding requirements.
Adopts high strength flexible belt slings to protect the hull surface from damage.
Customizable design based on hull dimensions, weight and structure.
Reduces manual intervention and improves automation.

Applications in Shipbuilding Industry
Ship hull section turning
Hull adjustment before and after welding
Lifting and turning of offshore engineering modules
KUNFENG specializes in providing high quality, customizable lifting and turning equipment solutions, helping enterprises achieve efficient, safe and intelligent production. Contact us for more technical data and professional selection guidance.