High-Precision Triple-Ring Submerged Rotating Stage for Silk Banquet Cultural Center in Suzhou - Professional Lifting Equipment Manufacturer

This project involved the engineering, fabrication, and submerged installation of a customized triple-ring concentric rotating and lifting stage for Suzhou Silk Banquet Culture Development Co. Ltd. Located in the cultural heart of Suzhou, Jiangsu Province, the “Silk Banquet” is a high-end immersive performing arts venue that integrates traditional silk culture with modern multi-media stagecraft, including water shows, wind effects, and synchronized light displays.

The core of the performance space required a dynamic aquatic stage capable of independent vertical movement and variable-speed rotation across three concentric tiers. Unlike standard theatrical platforms, this [Internal Link: submerged rotating stage] is permanently installed within a water basin, requiring a specialized hydraulic and material architecture to withstand constant immersion while maintaining the millimetric precision required for DMX-controlled choreography. The system was engineered to create a “wedding cake” tiered formation, facilitating a seamless transition between underwater storage and active performance heights.

Desafios do cliente

The engineering of a submerged multi-ring stage presents significant technical hurdles that exceed the requirements of dry-theater environments. The project at the Suzhou facility faced several site-specific and operational bottlenecks:

Corrosive Submerged Environment: The entire mechanical structure is perpetually exposed to water. Traditional carbon steel and standard lubricants would fail within months due to oxidation and fluid contamination. The solution required a material and coating system capable of decades of immersion.
Fluid-Dynamic Lifting Resistance: Lifting a large-scale platform through water creates significant drag and pressure differentials. Standard hydraulic systems often experience “chatter” or uneven movement when overcoming the mass of displaced water.
Environmental Medium Constraints: Using standard hydraulic oil was prohibited due to the risk of leakage into the performance basin. Any fluid spill would contaminate the water show environment and violate the facility’s environmental safety protocols.
Complex Control Synchronization: The performance required the stage to interface with a DMX512 control protocol. This necessitated the conversion of digital stage lighting signals into high-precision hydraulic positioning commands to synchronize rotation (1-5 RPM) and lifting with the music and lighting cues.
Hydraulic Transmission Distance: The hydraulic pump station had to be located 30 meters away from the basin edge to minimize acoustic interference. This required complex calculations for pressure drop across the 30-meter pre-buried hydraulic lines.
Acoustic and Visual Integration: The platform surface required high-precision perforations to allow underwater fountains to shoot through the stage deck without interfering with the mechanical rotation or the dancers’ footing.

Solução personalizada GRADIN

To address these technical demands, a customized hydraulic and mechanical architecture was developed, utilizing water-glycol fluid technology and tiered concentric ring engineering.

1. Environmental Hydraulic Architecture (Water-Ethylene Glycol)
To eliminate the risk of environmental contamination, the system utilizes a Water-Ethylene Glycol medium. This fire-resistant and eco-friendly fluid provides the necessary lubrication for the high-pressure pumps while ensuring that any potential seal breach would not result in hazardous oil slicks in the performance basin. The system employs specialized hydraulic water cylinders with chrome-plated, corrosion-resistant rods.

2. Multi-Stage Material Protection (Hot-Dip Galvanizing)
The entire structural skeleton underwent a full-immersion hot-dip galvanizing process after fabrication. Following galvanization, a multi-layer coating system was applied:

Base Coat: Epoxy zinc-rich anti-rust primer for maximum adhesion.
Top Coat: Polyurethane chlorinated polyethylene finish, specifically formulated for permanent underwater industrial use.
This dual-barrier approach ensures the structural integrity of the 120mm frames over a 15+ year service life in a submerged state.

3. Concentric Tiered Kinematics
The stage is divided into three concentric rings (Outer: $Φ$ 7000mm, Middle: $Φ$ 4900mm, Inner: $Φ$ 2800mm). Each ring is equipped with independent lifting and rotation drives:

Outer Ring: 600mm stroke for foundational tiering.
Middle Ring: 1000mm stroke to create the primary vertical offset.
Inner Ring: 1500mm stroke for the central performer highlight.
The rotation is managed via variable frequency drives (VFD), allowing the speed to be adjusted from 1 to 5 minutes per revolution. This [Internal Link: rotating stage platform] utilizes a precision-machined slewing bearing to ensure silent operation, critical for the “Silk Banquet” acoustic environment.

4. DMX512 and Fountain Integration
The control architecture utilizes a specialized PLC gateway that translates DMX512 signals into proportional valve commands. This allows the stage to achieve “Repeatable Precision Positioning,” ensuring the rings stop at the exact same orientation for every performance. The platform decks are constructed from perforated galvanized plates , strategically mapped to align with the underwater fountain nozzles. This allows water jets to pass through the stage seamlessly while the rings are in motion.

Parâmetros técnicos e marcas de apoio

Parâmetros técnicos

The following table outlines the engineering parameters for the triple-ring submerged stage system in Suzhou.

Parâmetro	Outer Ring ( $Φ$ 7)	Middle Ring ( $Φ$ 4.9)	Inner Ring ( $Φ$ 2.8)
Diameter (mm)	$Φ$ 7000 - 4900	$Φ$ 4900 - 2800	$Φ$ 2800
Lifting Stroke (mm)	600	1000	1500
Rated Load (Total)	1,500 kg	1,500 kg	1,500 kg
Rotation Speed	1-5 min/rev (VFD)	1-5 min/rev (VFD)	1-5 min/rev (VFD)
Self-Height (Stowed)	900 mm	900 mm	900 mm
Lifting Medium	Water-Ethylene Glycol	Water-Ethylene Glycol	Water-Ethylene Glycol
Material Finish	Galvanized + Epoxy	Galvanized + Epoxy	Galvanized + Epoxy
Control Protocol	DMX512 / PLC	DMX512 / PLC	DMX512 / PLC
Surface Plate	Perforated (Custom)	Perforated (Custom)	Perforated (Custom)
Pump Distance	30 Meters	30 Meters	30 Meters

Marcas de apoio

Nossas máquinas de inclinação adotam componentes de marcas nacionais e importadas de primeira linha para controle elétrico, pneumático, hidráulico e peças mecânicas.
1. Componentes de controle elétrico
Peças de qualidade garantem uma operação precisa e estável
-SIEMENS: PLC, inversor, peças de baixa tensão
-MITSUBISHI: Servomotores e sistemas de acionamento
2. Componentes pneumáticos e hidráulicos
Garante um giro estável e alta capacidade de carga
-SMC: Cilindros e acessórios pneumáticos
-REXROTH: Válvulas hidráulicas e estações de bombeamento
3. Peças de transmissão mecânica
A estrutura sólida permite um funcionamento suave
-HIWIN: Guias lineares e conjuntos de parafusos
-NSK: rolamentos rotativos de alta precisão
4. Peças de distribuição de baixa tensão
-CHINT/DELIXI: Disjuntores e interruptores
-EATON: Componentes de segurança e distribuição

Precisa de uma consultoria técnica?

Palco giratório submerso de anel triplo de alta precisão para o Silk Banquet Cultural Center em Suzhou

Visão geral do cliente

Desafio e solução

Desafios do cliente

Solução personalizada GRADIN

Parâmetros técnicos e marcas de apoio

Parâmetros técnicos

Marcas de apoio

Execução e conquistas do projeto

Detalhes da implementação

Execução e conquistas

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