What are the safety precautions for the use of portal cranes?
At present, in almost all large-scale construction sites, you can see a wide range of portal cranes, which are very practical. However, many people may know little about the safety precautions of portal cranes, so safety accidents are prone to occur during use. Below, I will work with you to understand the safety precautions for the use of portal cranes. What are the safety precautions for the use of portal cranes?1. When using gantry cranes, a sign indicating the rated lifting capacity must be hung up in a conspicuous position as a reminder, and overloading is not allowed. When working, the operator needs to concentrate, and no one is allowed on the bridge or to use the crane's hook to transport people;
2. Portal cranes are not allowed to be hoisted under these conditions, loose binding, overloading, inflammable and explosive materials lacking safety protection measures, steel wire ropes that do not comply with safe use, component failures, and inclined pulling, etc., are required on site Make judgments based on the actual situation. Perform other work after meeting all requirements;
3. After a power failure, a sign indicating the power failure operation needs to be hung on the switch before the next inspection or maintenance can be carried out. If it is necessary to operate on power, it is best to take safety precautions under the guidance of relevant professionals, and need to have a special person to look after it to further improve the safety of construction;
4. When it is necessary to weld the parts of the portal crane, the original ground wire of the fuselage cannot be used, but a special ground wire needs to be set to prevent over-current;
5. When the hook is at the lower limit position, there must be two or more safety rope loops on the reel. And for limit switches and interlock protection devices, regular inspections are required.
In summary, it is necessary to understand the safety precautions during the use and operation of the portal crane, and operate reasonably under the guarantee of safety. The above editor only introduces part of the safety precautions of portal cranes. If you want to know more, you can consult the best quality portal crane company to provide you with more quality products and services.