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Bridge Crane Single Hook Block

Bridge Crane Single Hook Block

The bridge crane blocks assembly is the most commonly used acquisition device, mainly consisting of a hook, a movable pulley, a roller shaft and a bearing. Working with fixed pulley and hook blocks, fixed on the structure, the composition of the pulley blocks. The classification of the hoisting......
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The bridge crane blocks assembly is the most commonly used acquisition device, mainly consisting of a hook, a movable pulley, a roller shaft and a bearing.

Working with fixed pulley and hook blocks, fixed on the structure, the composition of the pulley blocks.


The classification of the hoisting hook blocks is more, mainly including:

forging

chip

The suspension loop


What should be paid attention to when using the sling?

Answer: note:

1) before using the sling, check whether there is bending deformation in the part of the screw rod, whether the screw thread specification meets the requirements, and whether the thread is damaged;

2) when the lifting ring is screwed into the screw hole, it must be twisted to the root of the screw, so as to avoid bending and breaking when the screw is under force.

3) when using the rings at more than two lifting points, the Angle between two wire ropes should not exceed 60OC to prevent the rings from breaking due to large horizontal tension;

4) when using the hook, the surface shall be smooth and free of cracks, and the lifting weight shall not exceed the allowable load.

What is the scrap standard of the hook?

Answer: 1 when the hook is cracked, it should be scrapped.

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

3 the hook should be scrapped when the opening degree of the hook is 15% higher than the original size.

Four hook torsional deformation of more than 10 ° should be scrapped.

5 the hook dangerous section or the hook neck when plastic deformation should be scrapped.

6. If the wear amount of the hook bushing reaches 50% of the original size, the bushing shall be scrapped.

When the wear amount of the mandrel of plate hook reaches 5% of the original size, the mandrel should be scrapped.

What are the safety inspection contents of the spreader?

Answer: before completion, check whether the lever at the hinge site is deformed and cracked.

The shaft and pin of the transmission part shall be inspected and lubricated periodically.

If there is greater loose, wear, deformation, should be promptly repaired and replaced.

The load test should be carried out on the newly put into use before it can be used.

After seeing these questions, is the use of hooks in xinxiang a certain understanding?




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