If the belt had not been replaced in time, during the subsequent lifting and adjustment of the lighting truss, encountering strong gusts (with instantaneous wind speeds reaching 5-8 meters per second) - a common occurrence at music festivals - would have increased the wind load on the lighting truss by approximately 200-300 kg. At that point, the remaining 70% of the fibers in the Sling belt for lighting would have been unable to withstand the instantaneous superimposed load, making it highly likely to break suddenly during the lifting process. Each follow-spot in this set is worth approximately 80,000 yuan, and the total value of the entire lighting truss, including equipment, exceeds 500,000 yuan. If it had fallen, it would not only have caused huge equipment losses but also might have crashed into the staff working on the construction below or the audience who had already entered the venue, triggering a mass casualty accident. The resulting safety risks and social impacts would have been unimaginable.
From safety assurance to efficiency improvement, from adaptation to complex environments to integration with artistic effects, lighting sling belts, relying on their comprehensive performance advantages, have become indispensable core auxiliary equipment in the stage construction of modern large-scale music festivals and concerts. They are not only the "physical link" connecting lighting equipment and stage trusses, but also the "safety barrier" for ensuring stage safety and improving construction quality, laying a solid foundation for the smooth progress of every large-scale performance.
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