We know that group hanging electric hoists are used by multiple electric hoists to lift the same item together, but it is not recommended to use ordinary electric hoists in this way. Because they are difficult to achieve the same rise and fall, and contain multiple uncontrollable factors, it is likely to lead to safety accidents.

Even for ordinary electric hoists of the same brand, model, specification, and parameter, it is difficult to achieve true same rise and fall. This is because each electric hoist has one control handle, and when two control handles are operated simultaneously, there is always a certain degree of error, making it difficult for two electric hoists to achieve the same control and speed.

Two electric hoists with different speeds can cause the lifted object to be high on one side and low on the other, making it easy for the lifted object to fall off from the low end and cause safety accidents. If the lifted object is relatively large, it is recommended to use a double hook electric hoist for lifting, rather than two electric hoists controlling the same object together.