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Swivel Hook

Jul 09, 2018

The rotary hook is a hook that can be used in conjunction with other rigging accessories and can be arbitrarily changed in angle and rotation.


Chinese name rotary cargo hook Specifications 1T 2T 3T 5T 8T Precautions Do not overload use Retirement standard torsional deformation more than 10 °


There are two kinds of alloys, such as alloy 322A and carbon steel 322C. The specifications are 1T 2T 3T 5T 8T 11T 15T 22T 30T.


   

Use and precautions



1. Check the hook regularly according to the usage, the maximum time cannot exceed 1 month.


2. It is found that the hook is not flexible during use and should be stopped.


3. If the plastic deformation of the hook is found, it should be stopped immediately.


4. It is strictly forbidden to use overload.


5. It is strictly forbidden to stand under the hanging object during lifting.



Hooks should be scrapped when one of the following conditions occurs:


Crack


2. The dangerous section wears up to 10% of the original size;


3. The opening degree is increased by 15% compared with the original size;


4. Torsional deformation exceeds 10°;


5. Plastic deformation of the dangerous section or the hook neck;


6. When the hook bushing wears up to 50% of the original size, the bushing should be scrapped;


7. When the hook of the hook is up to 50% of the original size, the mandrel should be scrapped.



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