Truss systems are modular, spliceable frame structures primarily composed of standardized metal rods (e.g., aluminum alloy, steel) and connectors.truss system Their core function is to provide stable load-bearing support for equipment and shape spatial forms—serving as a "skeleton" for various scenarios that require structural reinforcement and functional integration. truss system for stage They're not just stars of the stage and event world! for example, supporting lighting and LED screens at concerts, forming booth frameworks at trade shows, serving as temporary shelters for outdoor events, or even acting as cargo racks in warehouses.
I. Core Components: The "Building Blocks" of Truss Systems
A complete truss system consists of three key components, each with distinct functions that collectively ensure structural stability and usability:
1. Truss Segments (Main Body)
As the core load-bearing part, truss segments determine the system’s overall strength and span capacity. truss system design They are classified by material, shape, and structure:
Material Types:
Aluminum Alloy Segments (e.g., 6061-T6): Lightweight (40% lighter than steel), corrosion-resistant (via anodizing), truss system for event lighting and easy to handle. Suitable for outdoor events, tours, and scenarios requiring frequent assembly/disassembly. A 3m-long Aluminum Truss segment typically weighs 12–20kg. Steel Segments (e.g., Q235/Q345 hot-dip galvanized steel): lightweight truss system solution High load-bearing capacity and rigidity, cost-effective. Ideal for indoor fixed venues (e.g., theaters) or heavy-equipment suspension (e.g., large LED screens). A 3m-long steel truss segment weighs 25–40kg.
Cross-Section Shapes:
Triangular: Excellent anti-torsion and wind resistance, Square Truss suitable for outdoor scenarios (e.g., music festival lighting trusses) where stability against lateral forces is critical. Quadrilateral (Square/Rectangular): Larger internal space for hiding cables or installing equipment, common in indoor backdrops or exhibition booths.
Circular: Aesthetically pleasing, Aluminum Square Truss System often used in decorative structures (e.g., wedding arches, brand display stands). Length Specifications: Standard lengths are 1m, 2m, and 3m (for easy transportation and combination); customized lengths (0.5m, 4m) are available for special spatial needs.
2. Connectors (Linking Parts)
Connectors ensure secure splicing between truss segments and enable shape customization. Square Truss for Stage Lighting They are designed for universality and quick operation: Common Types:
Quick-Locking Buckles:Heavy-Duty Square Truss Allow one-person operation—simply align and snap into place, no tools required. Suitable for scenarios needing rapid assembly (e.g., roadshows). Plug-In Connectors: Insert truss ends into the connector and secure with pins, ensuring precise alignment. Square Truss Rigging Hardware Widely used in aluminum truss systems. Flange Plates: Connect segments with bolts (usually M8/M10 stainless steel bolts) for high load-bearing capacity. Square Truss for Event Stages Used in steel trusses or heavy-equipment suspension. Corner Fittings: (e.g., 90° elbows, 45° angled connectors) Enable the construction of L-shaped, T-shaped, or structures, such as wedding ceremony pavilions or booth corners.
3. Bases & Counterweights (Stabilizing Parts)
These components prevent the truss system from tipping or sinking, especially in outdoor or uneven-ground scenarios:
Bases:
Fixed Bases: Used on concrete floors—secured with expansion bolts to enhance wind resistance (e.g., indoor theater truss columns).
Movable Bases: Equipped with casters for easy position adjustment (e.g., exhibition booth trusses) or flat plates for placing counterweights.
Counterweights:
Water-Filled Sandbags: Lightweight when empty (easy to transport), weighing 20–30kg when filled with water. Suitable for temporary outdoor events.
Cast Iron Counterweights: Heavy-duty (50–100kg each) with high stability, ideal for large-span trusses or heavy-equipment suspension (e.g., concert LED screen trusses).
Load-Bearing Pallets: Placed under bases on soft ground (e.g., lawns) to disperse pressure and prevent sinking.
II.Core Strengths: The Reasons Behind the Widespread Adoption of Truss Systems
Truss systems stand out for their unique combination of performance and flexibility, addressing the diverse needs of different industries:
1. High Load-Bearing Capacity & Structural Stability
Scientific Design: Adopting triangular or quadrilateral truss units, which distribute stress evenly across rods (maximum stress ≤70% of the material’s yield strength), ensuring no deformation under load. For example, a 3m-span reinforced aluminum truss can bear 100–150kg, while a steel truss of the same span can bear 200–300kg.
Deflection Control: The overall deflection (bending) of the truss is ≤ L/500 (L = span). For a 5m-span truss, deflection is ≤10mm, avoiding equipment damage or safety risks caused by excessive bending.
2. Modular Flexibility & Customization
Unlimited Shapes: By combining straight, corner, and curved segments, truss systems can be built into rectangles, arcs, circles, or even complex 3D structures (e.g., stadium circular lighting trusses, exhibition hall dome trusses).
Scalable Sizes: Height and span can be adjusted freely heights range from 2–8m (for most indoor/outdoor events), and spans can reach up to 15m (with intermediate support columns). Multi-span combinations can cover hundreds of square meters (e.g., music festival main Stage Truss systems). 3. Efficient Assembly & Transportation
Tool-Free/Low-Tool Operation: Quick-locking or plug-in connectors eliminate the need for welding or heavy tools. A 2–3-person team can assemble a 100㎡ truss system within 1–2 days (vs. 3–5 days for traditional welded structures).
Space-Saving Storage: Disassembled segments can be stacked (e.g., 10 3m aluminum segments occupy ≤1㎡ of space), and transported via ordinary trucks (no special vehicles needed), reducing logistics costs—critical for tour events or multi-location exhibitions.
4. Strong Environmental Adaptability
Corrosion Resistance: Aluminum trusses with anodizing (oxide film thickness ≥8μm) or steel trusses with hot-dip galvanizing (zinc layer thickness ≥85μm) can withstand rain, UV rays, and humidity. They pass 48–72 hours of neutral salt spray testing without rust, suitable for seaside festivals, rainy-season outdoor events, or humid warehouses.
Ground Compatibility: Adapt to concrete, tiles, lawns, or gravel ground via different bases and counterweights, requiring no permanent modifications to the site (e.g., no drilling on exhibition hall floors).
Wuxi Zhongshengwei Metal Products Co., Ltd.
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