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What to do if there is a deviation when using stage chain hoists to lift the truss

  • 2023-12-14

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A small stage can only be built with a stage extension frame, but a large stage has a complex structure and involves numerous mechanical equipment such as stage lighting and sound equipment. It is not easy to quickly, efficiently, and safely build a stage and complete a performance. Nowadays, with the addition of stage chain hoists, building a stage becomes easier, but this needs to be based on correct operation.

Firstly, suitable lifting points must be selected. Only sturdy and stable lifting points can ensure the safety of the hoist, heavy objects, and surrounding operators; Secondly, the stage crossbeam can withstand significant impact forces; Thirdly, do a good job in daily maintenance and upkeep.

What should I do if there is a deviation when lifting the truss? The correct approach is to stop homing and find the cause before continuing with the installation.

Firstly, we can start with the lifting tool: a chain hoist. If the chain length, spacing, and suspension points of two chain hoists are different, it can also lead to deviation in the lifting position;

Secondly, we can start with operators. If two operators simultaneously pull the hand zipper strip of the hoist and apply the same amount of force at the same frequency, it can avoid the occurrence of deviation. Conversely, it can lead to the occurrence of deviation;

In addition, factors such as the workmanship and size of the stage frame are also one of the reasons for the deviation of the stage chain hoist lifting frame.