Concentric Revolving Stage Lift

Application and Chief Introduction

Behind the spectacular world of modern stage performances, specialized mechanical devices work silently to create breathtaking visual effects. Among these, the Concentric Revolving Stage Lift is an indispensable component for high-end entertainment engineering.

This high-performance equipment features a multi-tiered heavy-duty scissor mechanism as its core structural foundation. Engineered with independent groups of cross-connected steel rods arranged in an X-shaped geometry, this robust architecture provides exceptional structural stability. Designed with a synchronized inner-and-outer ring layout, it allows different sections of the stage to rise, lower, and rotate independently or simultaneously. Whether lifting lead performers from the center, rotating massive dynamic props on the outer ring, or managing multi-layer scene transitions, the system completely eliminates shaking and vibrations. It delivers an uncompromising level of safety and reliability for premium theatrical productions, concert venues, stadium arenas, and immersive entertainment spaces.

Working Principle & Core Advantages

Working Principle: Activated by a high-pressure hydraulic power system, specialized fluid drives independent sets of cylinders to expand or contract the respective scissor mechanisms. Concurrently, a heavy-duty mechanical slewing drive system rotates the selected concentric platforms. This engineering methodology guarantees millimeter-level leveling accuracy via a centralized PLC control desk.

Multi-Ring Flexibility: Offers an expansive vertical travel range and continuous 360-degree rotation capabilities—moving smoothly from floor level to several meters in the air—to satisfy the most demanding creative choreography.

Immense Load Distribution: The reinforced chassis distributes weight evenly, effortlessly supporting massive payloads such as grand pianos, moving scenery, and large ensembles active on different rings simultaneously.

Elimination of Tracking Jitter: The rigid structural geometry of the X-shaped hinge assemblies and specialized slewing ring bearings eliminates platform sway, giving performers total confidence to execute high-energy routines.

Production Details & Component Explanation

1. Lift & Rotary Structure

Main Framework: Fabricated from high-strength carbon steel seamless rectangular tubes with a multi-layer folding arm design for maximum independent ring load capacity.

Welded Base Chassis: Low-profile steel base designed for seamless integration into theater stage pits, reducing civil engineering costs while accommodating heavy-duty tracking rails.

Material Protection: Concentric rotary tracks are precision-machined for smooth movement, and the surface is treated with an anti-corrosion layer to ensure long-term wear resistance.

Collision Buffers: Features integrated mechanical buffer blocks between the independent concentric rings to minimize impact stress during high-speed staging resets.

2. High-Precision Hydraulic System

Integrated Power Unit: Consists of a heavy-duty multi-channel hydraulic pump station (motor, oil reservoir, and pump). It utilizes hydraulic pressure to rise smoothly and relies on regulated deadweight control for energy-efficient descents.

Fluid Automation: Fluid direction and velocity are regulated through electromagnetic reversing valves, counterbalance valves, and pilot check valves to eliminate abrupt starts or stops.

System Protection: The manifold integrates speed-limiting cut-off valves, overflow valves, and oil temperature sensors to prevent hazards caused by overloads or line ruptures.

3. Electrical Automation Control

Central Control Unit: The main control panel integrates a PLC microprocessor, enabling synchronized multi-axis control (variable-speed rotation, automatic leveling, and real-time automated fault diagnosis).

Flexible Interface: Supports multi-point control architecture, allowing operators to manage the stage via standard onboard buttons, floor wall stations, or long-range wireless remotes.

Emergency Backup: In a power outage, an automatic backup battery activates alongside manual pressure relief valves to achieve slow descent and safe self-rescue.

Redundant Safety Systems

Inter-Ring Perimeter Monitoring: Outfitted with infrared light curtains between moving concentric rings; if any item falls past the platform edge, the system halts travel instantly.

Hydraulic Explosion-Proof Valves: Each cylinder features an integrated velocity-fuse valve that locks immediately to prevent free-falls in the event of a sudden fluid line rupture.

Oil Pressure Overflow Valve: When the lift is overloaded, this valve opens automatically to divert hydraulic oil back into the oil tank, protecting the pump from mechanical stress

Electronic Overload Protection: Integrated load cells monitor weight on each ring. If payloads exceed standard capacity, the platform locks down immediately and sounds an acoustic alarm.

Drawing/sketches of worksite and lift

The worksite's parameters should be collected

Lifts' basic parameters

Lifts' drawing showing

Other services of us

Warranty

Tebo company provides a comprehensive 24-month warranty for all its stage equipment, starting from the date of the stage handover. The warranty covers a wide range of essential technical components, including the entire concentric scissor transmission system, all rotary drive gears, hydraulic drive devices, and advanced electrical control equipment (PLC units and digital display systems).

Production & Delivery Time

At Tebo factory, each customized Concentric Revolving Stage Lift completes production within 14 working days due to our advanced heavy fabrication capabilities. For standard structural models, fabrication is frequently finalized even earlier, often in under 10 days.

After-Sales Support & Technical Services

We provide comprehensive 24/7 online technical support with a guaranteed 20-minute response time via phone or email. We assign specialized engineering personnel to cater to the unique technical needs of every project. Our services encompass assisting crews with installation through videos and manuals, providing real-time troubleshooting, and supplying routine maintenance reminders to maximize the platform's lifespan.