info@hengkuncranes.com
+8617260676687
DNV 2.22/API 2C Certified with Active Heave Compensation & 360° Continuous Rotation
Brand: Henan Hengkun Crane Co., Ltd.
Applications: Offshore supply vessels, wind farm installation ships, salvage operations, and marine platforms requiring highly flexible, multi-functional lifting solutions for cargo handling, subsea equipment deployment, and personnel transfers in harsh maritime environments.
Henan Hengkun’s Knuckle Boom Telescopic Crane delivers unparalleled versatility through its articulated boom + telescopic extension design, achieving 150% greater outreach-to-stowed-length ratio vs conventional cranes. Engineered for platform supply, wind turbine installation, and congested ports, capacities range from 50-200T with ±1.5m wave compensation.
3-Section Knuckle Boom:
75° hydraulic articulation for obstacle clearance
4-Stage Telescopic Arm:
Hydraulic synchronisation (±2mm extension accuracy)
Max outreach: 52m (stowed length: 18.7m)
Active Heave Compensation (AHC):
ISO 18639 Class B (±2.5m compensation @ Sea State 5)
97% load stability in 4m significant wave height
Corrosion Defense:
Duplex coating (250μm ZnAl + epoxy) per ISO 12944 C5-M
Stainless steel hydraulic cylinders (1.4418 / F55)
| Parameter | Specification |
|---|---|
| Lifting Capacity | 10–200 tonnes (SWL at specified radius) |
| Max. Working Radius | 15–50 meters (knuckle + telescopic) |
| Boom Configuration | 2–3 knuckle joints + 3–4 telescopic sections |
| Slewing Range | 360° continuous rotation |
| Lifting Speed | 0–30 m/min (variable frequency control) |
| Heave Compensation | Active (AHC) or Passive (PHC) systems |
| Hydraulic Pressure | 250–350 bar |
| Power Supply | 380–690V AC, 50/60Hz or diesel-hydraulic |
| Protection Grade | IP68 (critical components) |
| Wind Resistance | Beaufort Scale 12 (storm-proof design) |
| Ambient Temperature | -30°C to +50°C |
| Certifications | DNV GL, ABS, Lloyds Register, BV, CCS |
1. Precision Load Control
Single-Lever Operation:
Boom articulation + telescoping synchronized
AI Anti-Swing System:
Predictive motion compensation
Dynamic Load Monitoring:
±0.5% SWL accuracy
2. Offshore Resilience
Survival Conditions:
51m/s wind speed (Beaufort 12)
DNV-GL Winterization Package (-30°C)
Redundant Safety:
Triple hydraulic braking
Emergency manual retrieval winch
| Mode | Reach | Lift Capacity | Use Case |
|---|---|---|---|
| Fully Retracted | 18m | 250T | Deck cargo handling |
| Knuckle Only | 32m | 80T | Platform supply |
| Telescopic Only | 42m | 25T | Bridge construction |
| Full Extension | 52m | 3.5T | Light component transfer |
Anti-Two-Block: Laser + mechanical redundancy
Rope Integrity Monitoring:
Broken wire detection
Rotation counter
Emergency Systems:
DP-2 dynamic positioning interface
Water-cooled brake system
Compliance:
DNV-ST-0378
API Spec 2C (7th Ed.)
EN 13852-1:2021
North Sea Wind Farm Project
*2×KBTC-400T units installing 15MW turbines:
40% faster component positioning
Zero downtime during 8m wave conditions*
Centralized Lubrication: 180-point auto-greasing
Modular Power Pack: 2hr field replacement
Diagnostic Ports:
OBD-III for hydraulic systems
Fiber Bragg grating strain sensors
Structural: FEM 1.001 Category B
Electrical: IEC 60092 / NEC 505
Explosion Proof: ATEX Zone 2/22
Lifting Gear: EN 12079 / LOLER certified
Why Choose Us?
As a leading Chinese manufacturer, we deliver marine-grade lifting solutions that blend European engineering precision with rugged offshore reliability. Our Knuckle Boom Telescopic Cranes are rigorously tested for performance in extreme conditions, ensuring seamless integration into marine logistics, wind energy, and oil/gas operations.
Request a Custom Marine Solution – Master offshore challenges with unmatched flexibility and power!
Name: Henan Hengkun Crane Co.,Ltd
Mobile：+8617260676687
Tel：+8617260676687
Whatsapp：8617260676687
Email：info@hengkuncranes.com
Add：3K-008, Building B5, No. 299 Xindong Avenue (South), Hongqi District, Xinxiang city, Henan Province
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