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Electric hoists represent their own machinery, strength, and toughness, while the stage is elegant, flowing, and soft, with conflicts and collisions between the two.
The prevention of faults in stage lighting electric hoist controllers should be carried out in combination with their operating environment (such as frequent operation, vibration, dust, humidity chang
Category : Controller
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The prevention of faults in stage lighting electric hoist controllers should be based on their operating environment (frequent operation, vibration, dust, humidity changes, etc.) and equipment characteristics, and implemented from multiple aspects such as daily maintenance, operation specifications, and environmental control. Among them, standardized operation is a core link to reduce man-made losses and lower the probability of failures.
Clarify the rated load limit: The rated load (such as 500kg, 1000kg) should be clearly marked on the prominent positions of both the controller and the hoist itself. Operators must keep it in mind and strictly abide by it. It is forbidden to operate beyond the load limit due to temporary needs (such as hoisting multiple lamp groups at the same time). Overloading will cause a sudden increase in the internal current of the controller, making the relay contacts and contactor coils in an overcurrent state for a long time, accelerating the oxidation of the contacts and the aging of the coil insulation layer, and even causing a short circuit and burnout.
Dynamically monitor load changes: For scenarios where the lighting layout is frequently adjusted (such as during concert venue changes), before hoisting a new lamp group each time, it is necessary to calculate the total weight (including the additional weight of lamps, brackets, cables, etc.) to ensure that it does not exceed the rated value. A simple tension meter can be installed at the hook of the hoist to monitor the load in real time, and the operation should be stopped immediately once the load is close to the rated value.
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