1. Lifting limit switch
If the daily inspection and maintenance are neglected, the lifting limit switch will have an accident of switching failure and breaking the wire rope, which is very likely to cause a personal accident.
2. Hook group
The hook group is the most basic material pick-up device in the travel gantry crane, and it is also one of the parts that are prone to accidents.
3. Balance pulley
This kind of pulley is generally not noticed. If not add the lubricating oil regularly, the shaft and the balance pulley will be stuck under the action of dust and rust. If the hook group swings, the balance pulley will not rotate, the wire rope will be quickly broken and cause an accident.
Single girder gantry crane
Double girder gantry crane
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