Suspension System Sliding Rail

System Overview

The DST52 is a rail-integrated stacking truss system developed for heavy-duty stage motion applications. It can be used to move LED screens, stage scenery, projection screens, and lighting assemblies horizontally. By adding a hoist or rotating module, the same platform can also provide lifting and lowering as well as 360° rotation. The DST52 is available in two rail configurations: straight and curved.

A key feature of the DST52 is its stackable trapezoidal cross-section. The modules are connected using fork connections, allowing the trolley to be installed before the truss is suspended. This modular structure helps reduce setup time, minimize storage volume, and support the logistical requirements of touring productions.

Technical Data – DST52 Rail

Standard Rail Sections

Technical Data – STK52MTD2K

The STK52MTD2K is a heavy-duty motorised trolley designed for the DST52 system. The trolley runs inside the dual-rail track and provides linear motion for the connected load, either in combination with a slave trolley or an auxiliary structure.

This version is specifically characterized by a 1-ton WLL on 52R rail, a maximum speed of 21 m/min, and a Kinesys control interface.

DST52 Rail Load Table

The table below presents two common loading cases based on the LITEC calculation data: uniformly distributed load (UDL) and a single point load at mid-span. The self-weight of the truss is already included in the allowable load values.

These figures represent idealized static loading conditions, with the truss supported at both ends by the top chord.

Application limitations: The rail load table does not replace the need to verify localized loads at the trolley, fork connections, suspension points, and supporting structures. For moving loads, the design must account for dynamic factors, acceleration and deceleration distances, eccentric loading, and actual suspension conditions.

Control and Stage Applications

The Kinesys control interface allows the trolley to be integrated into a stage motion control system, enabling the programming of position, velocity, and synchronized movement cues.

In a complete system, position feedback, software limits, mechanical end stops, and emergency stops should be designed as independent layers of protection. The compiled technical information also indicates that DST modules can be managed by other commonly used control systems available on the market; however, the interface configuration must be verified for each specific project.

Moving LED Screens

Move LED screens laterally to open the stage, change the stage layout, or create dynamic reveal effects.

Scenery and Projection Screens

Move stage scenery, portals, projection screens, or decorative frames over long travel distances.

Touring Productions

The stackable rail and foldable dolly configuration help optimize storage volume, simplify modular transportation, and accelerate setup on touring productions.

Expandable Motion Systems

Combine the system with a hoist for lifting and lowering or with an STK52MR module for 360° rotation. A dedicated technical assessment is required for combined configurations.

Key Advantages

• 1,000 kg WLL for the motorised trolley on the 52R rail configuration.

• Maximum speed of 21 m/min, suitable for large-scale stage transitions.

• Straight and curved rail configurations to accommodate different stage geometries.

• Modular and stackable design, optimizing transportation and storage.

• Expandable architecture, allowing the system to evolve from Move to Move + Lift or Move + Turn configurations.

Conclusion

The DST52 Rail and STK52MTD2K Motorised Trolley form a modular heavy-duty stage motion platform suitable for applications requiring the long-travel movement of suspended equipment and structures.

The DST52 supports both straight and curved rail configurations, while its stacking design helps optimize transportation and storage. The STK52MTD2K provides a 1,000 kg WLL and a maximum speed of 21 m/min, meeting the requirements of large-scale stage motion applications.

The Kinesys control interface also enables the trolley to be integrated into a motion control system for programming position, velocity, and synchronized movement cues. When lifting or rotation is required, the DST52 platform can be further expanded with suitable modules.

However, for every real-world configuration, equipment selection, load capacity, connections, supporting structures, and safety systems must be engineered and verified according to the technical documentation and requirements of each individual project, particularly when the system operates with moving loads.