6.19.2025 / 6-minute read

City of Dreams Système d'élévation de scène submersible | La plus grande plate-forme commerciale de piscine au monde | Technologie de base de la "Maison de l'eau dansante

Aperçu du projet

As the engineering core of Macau’s “The House of Dancing Water”, this submersible lift system enables dynamic stage transitions in the world’s largest commercial pool (Ø48.8m×7.9m depth, 3.7M-gallon capacity).

With 8 main and 3 auxiliary lifts driven by 6 hydraulic power units, it transforms a 26ft-deep pool into a dry stage in <60s, creating 3D performance space for aerial acrobatics, 25m-high diving, and aquatic choreography

Paramètres de base

ParamètresValue/Description
Main Lifts
Dynamic Capacity146.05 tons
Static Capacity365.14 tons
Travel8,229 mm (7,924 mm underwater + 305 mm above water)
Max Speed6,095 mm/min
Total Platform Area6,409 m²
Auxiliary Lifts
Dynamic Capacity23.94 tons
Static Capacity59.87 tons
Travel2,010 mm (1,005 mm underwater/above water)
System Features
Système d'entraînementHydraulic
SynchronisationIndependent/Group Mode
Transition Time≤60 sec

Le défi

  • Deep Submersion Operation: Lifts must withstand ≥0.8MPa hydrostatic pressure at 7.9m depth while maintaining sealing integrity；
  • Heavy-Load Precision Control: Achieving ±1mm synchronization under 146-ton dynamic load to prevent stage tilt；
  • Ultra-Fast Transition: Completing 2,000㎡ pool-to-stage conversion in ≤60s demands extreme hydraulic response；
  • Performance-Safety Criticality: Zero mechanical failure tolerance with 300+ performers (including 25m-high divers)

Solutions

  • Hybrid Hydraulic Topology: 6 power units drive zones independently; Dual-acting cylinders for main lifts + single-acting for auxiliary precision positioning；
  • Closed-Loop Synchronization: PLC-based feedback with proportional valve pressure modulation ensures ≤1mm sync error across 8 lifts；
  • Deep-Sea Sealing: Multi-layer bellows seals + anti-corrosion alloy coating withstand 3-5ppm chlorinated water；
  • Triple Safety Redundancy: Mechanical end-stops + hydraulic overload protection + real-time load sensors trigger emergency stop

Avantages

  • ✓ World-Record Capacity: 146-ton dynamic load per lift sets commercial pool industry benchmark；
  • ✓ Sub-mm Synchronization: ±1mm precision via PLC-proportional valve control ensures stunt safety；
  • ✓ Ultra-Fast Transition: 60s conversion for 3.7M-gallon pool (industry avg. >3min)；
  • ✓ Zero-Failure Operation: 8-year continuous service (>800 shows) with no mechanical failure；
  • ✓ 3D Performance Space: Enables integrated surface/submerged/aerial staging for 270° immersion

Galerie

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