Conditions for scrapping of crane parts

Everyone knows that lifting accessories are indispensable parts on cranes. There are many lifting accessories we know about, including wheel sets, hooks, hook sets and so on. Lifting hook is an accessory commonly used in lifting accessories. It is mainly used for hooking goods or materials. It is precisely because it is used for this purpose, so its quality requirements are very strict. The standard of indemnity is also very strict.

  To what extent does this kind of lifting accessories need to be scrapped? The opening of the hook of a truck crane is larger than the original size and should be scrapped.

Xiongfeng hook double beam crane
crane

   In addition, the hook of a lifting appliance should be scrapped immediately when one of the following situations occurs:

   1. When the hook is cracked, it must be scrapped.

  2. When the wear degree of the dangerous section of the hook reaches 10% of the original size, it should be scrapped immediately.

  3. When the opening of the hook is increased by 15% from the original size, it should be scrapped immediately.

  4. When the torsion deformation of the hook exceeds 10°, it should be scrapped immediately.

   5. When the dangerous section of the hook or the neck of the hook is plastically deformed, it should be scrapped immediately.

  6. ​​When the hook bushing of the hook plate is worn out to 5% of the original size, the bushing should be scrapped.

  7. When the mandrel of the hook plate is worn out to 5% of the original size, the mandrel should be scrapped.

   The above is the standard that the hook in the lifting accessories needs to be scrapped immediately. Therefore, when the hook appears in the above situation, it must be scrapped and must not be used again.

  As an important participant in cranes, we have been committed to these aspects of work, resolutely discarding products that need to be scrapped, and never let it harm consumers.





The difference between European crane and ordinary crane     Back to list

Time

2021-04-06


Column

Industry Information


Author

fanwo


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