16 Tons XCMG Crane Hook

XCMG 16 tons crane hydraulic parts, crane main hook, auxiliary hook. Welcome to buy, the price is fair. What is the inspection and scrapping standard for the hook? What is the inspection and scrapping standard for the hook? The hook is the main part of lifting machinery, its material,...

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XCMG 16 tons crane hydraulic parts, crane main hook, auxiliary hook. Welcome to buy, the price is fair.

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What is the inspection and scrapping standard for the hook?

What is the inspection and scrapping standard for the hook?

The hook is the main part of lifting machinery, its material, manufacturing process, quality and maintenance inspection of any link neglect management, will directly cause accidents.

Therefore, the hook must be strictly controlled material, inspection and scrap standards.


1. The material


1.1 the hook material shall be of high quality low carbon sedation steel or low carbon alloy steel;


1.2 board steel shall be generally used as A3 and C3 steels (Q235 steels in gb700-79 and Q235 steels in gb700-88) or 16Mn steels in gb1591-88 and low-alloy structural steels.


2. Inspection of the hook:


2.1 the lifting hook is used for the human-driven lifting mechanism, and 1.5 times the rated load is used as the test load.


2.2 lifting hook for power-driven lifting mechanism, the inspection load shall be tested according to the provisions in table 2 of gb6067-85 safety regulations for lifting machinery;


2.3 the increase of the opening should not exceed 0.25% of the original opening in the absence of any obvious defects and deformation after the lifting hook is removed from the test load;


2.3 the hook should be able to support double the test load without shedding;

The hook shall have the manufacturing unit certification and other technical documents before being put into use.


3. Scrap standard


Any of the following should be scrapped:


3.1 crack;


3.2 wear of dangerous section reaches 10% of the original size;


3.3 increase of opening degree by 15% compared with the original size;

Torsional deformation over 10 degrees;


3.4 the dangerous section or the hook neck produces plastic deformation;


3.5 the sleeve of plate hook should be scrapped when the wear reaches 50% of the original size;


3.6 when the wear of the plate hook mandrel reaches 5%, the mandrel shall be scrapped;


3.7 it is found that the hook welding repair and other hooks are subjected to high temperature, strong corrosion and the deadline set by the enterprise.


Hook wear: it is strictly forbidden to use it after self-repair.

Any excessive wear and tear will be discarded.


Please be free to buy the 16 tons xcmg crane hook with the best price with our professional China manufacturers and suppliers. And the customized products are also offered if you need.
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