The dedicated stage hoist for campus performances adopts a dual-safety design combining "electromagnetic braking + mechanical braking," where both systems operate independently and serve as backups for each other.
The electromagnetic braking is responsible for precise speed control during daily operation (e.g., slowly lifting stage lighting to a specified height). When the operator releases the control button, the electromagnetic braking responds within 0.1 seconds, bringing the lifted load to an immediate stop and preventing "inertial sliding."
In contrast, the mechanical braking acts as an emergency safeguard. Even in the event of sudden power failure (such as a power trip during campus performances) or electromagnetic braking failure, the mechanical braking will automatically lock the drum via spring pressure, ensuring the load hovers in place without "free fall."
Specifically addressing the need for "frequent start-stop" in campus scenarios (e.g., repeatedly adjusting the height of props during rehearsals), the wear rate of the dual braking system in the dedicated campus stage hoist is 60% lower than that of traditional single-braking designs. This prevents braking failure caused by frequent use and ensures safety during long-term operation.
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