Load and platform
Moving load, platform dimensions, load distribution and the number and spacing of lifting points.
Product / Stage lifting equipment
Rigid Chain Lift Table for Orchestra Pits and Theatre Stages
A rigid chain orchestra pit lift provides a configurable electromechanical platform for theatre seating conversion, stage extension and multipurpose hall use.
ModelSL500
Load≤500 kg
Platform size1450 × 1100 mm
Lifting stroke500 mm
Minimum height above floor400 mm
Maximum height above floor900 mm
Rigid-chain stroke (custom)550–600 mm
Image and data are referenced from Zhonghui Technology's public product archive. Project selection and final manufacturing data follow the drawing approved by Zhonghui Manufacturing.
Orchestra Pit Lift Applications and Selection
Use the orchestra pit lift system application notes to compare theatre layouts, review related theatre stage machinery solutions, and see a grand theatre stage machinery case before submitting project inputs.
Advantages
- Project-specific capacity, travel and installation options
- Mechanical design for stage-equipment duty
- Standalone or integrated control options
- Drawings, technical data and installation coordination
FAQ
Can the product be customized?
Yes. Load capacity, travel, dimensions, control mode and installation envelope can be configured.
Application Scope
What project inputs are needed to select a rigid chain lift table?
Confirm the moving load, required travel, target speed, duty cycle, platform dimensions, available installation envelope and control interface. Zhonghui then reviews the structure, synchronization and safety requirements before final drawings.
How is the minimum installation height for a rigid chain lift determined?
Minimum installation height depends on the selected chain size, travel, load path, drive arrangement, supporting structure and service access. It must be checked against the actual pit or platform envelope rather than selected from one dimension alone.
What should be reviewed for a multi-point synchronized rigid chain lift?
Review load distribution, number and spacing of lifting points, encoder or feedback strategy, limit and emergency-stop circuits, mechanical guidance and the interface to the venue control system. Final synchronization and safety logic are project-specific.
What should a rigid chain lift commissioning checklist cover?
Commissioning should verify the approved installation interfaces, unloaded and loaded motion, travel limits, emergency-stop response, feedback signals, synchronized lifting behavior, abnormal-noise checks and the handover records required by the project.
How should a rigid chain lift preventive maintenance plan be prepared?
Base the plan on the approved system manual, operating frequency and environment. Record inspections of the chain path, drive and guides, fasteners, lubrication points where specified, limits, sensors, brakes, guarding and safety circuits. Do not replace the project-specific maintenance instructions with a generic interval.
Project selection checklist
What to include in a rigid chain lift table RFQ
A useful preliminary review starts with the real operating envelope. Share the items below so the load path, drive arrangement, guidance, synchronization and controls can be reviewed together.
Travel and installation
Required travel, available pit or installation height, surrounding structure and maintenance access.
Motion and duty cycle
Target speed, moves per hour, operating hours, positioning needs and expected working environment.
Controls and safety
Power supply, control interface, synchronized motion requirements, limits, emergency stop and status feedback.
Commissioning and maintenance
Rigid chain lift commissioning and preventive inspection checklist
Acceptance is more useful when mechanical, electrical, control and handover evidence are reviewed as one system. The exact tests and intervals must follow the approved drawings, risk assessment and project manual.
Before powered movement
Confirm installation interfaces, fasteners, guides, guarding, clearances, chain path, drive alignment and access for inspection against the approved documents.
Functional acceptance
Record unloaded and loaded travel, stopping behavior, limits, emergency stop, feedback signals, synchronization and abnormal noise or vibration observations.
Preventive inspection
Check the drive, chain path, guides, fasteners, brakes, limits, sensors and safety circuits at the project-defined intervals; document findings and corrective actions.
Handover evidence
Retain approved drawings, test records, control backups, operating instructions, maintenance responsibilities and the contact route for engineering support.
Information to Confirm Before Selection and Quotation
A stable lifting platform for theatres, halls, cultural venues and industrial display systems, configurable by load, travel, platform size and control mode. Stage machinery is engineered for each project. Share the following information so the product, installation conditions and control interface can be assessed together.
Load and duty
State the rated load, dynamic duty, operating frequency and any synchronized-motion requirement.
Space and travel
Provide available installation space, travel, platform dimensions and structural constraints.
Speed and control
Define speed, positioning accuracy, interlocks, emergency-stop logic and supervisory interfaces.
Delivery and acceptance
Confirm supply boundaries, installation, commissioning, documentation, training and acceptance requirements.