Scrap status of semi-enclosed hook group
The fall accident of the semi-enclosed hook unit is caused by both human and material factors. Therefore, we should strive to carry out design, equipment procurement and installation construction in accordance with national regulations and standards on lifting machinery in terms of equipment selection, protective measures, factory construction, lifting processes, working environment, regular inspections, etc. Starting from the two aspects of people and materials, users should formulate rules, regulations and operating procedures for the operation, maintenance and management of cranes.
At the same time, we should be clearly aware that in accordance with national regulations on special equipment management, regular inspections and inspections of the performance of cranes (including lifting auxiliary equipment) are necessary to ensure the operation of lifting reduction equipment.
If the following conditions occur, the semi-enclosed hook group should be scrapped:
1. Cracks appear in the forged hook;
2. The wear of dangerous sections reaches 10% of the original size;
3. The opening is increased by 15% compared to the original size. ;
4. The torsional deformation of the hook body is more than 10°;
5. Plastic deformation occurs in the dangerous section of the semi-closed hook group or the hook neck;
6. The threads of the semi-enclosed hook group are corroded;
7. When the blade hook bushing wear reaches 50% of its original size, the bushing should be replaced;
8. When the wear of the hook spindle reaches 5% of the original size, the spindle should be replaced.
In summary, this is an introduction to the semi-enclosed hook group. I hope it can help everyone.
The fall accident of the semi-enclosed hook unit is caused by both human and material factors. Therefore, we should strive to carry out design, equipment procurement and installation construction in accordance with national regulations and standards on lifting machinery in terms of equipment selection, protective measures, factory construction, lifting processes, working environment, regular inspections, etc. Starting from the two aspects of people and materials, users should formulate rules, regulations and operating procedures for the operation, maintenance and management of cranes.
At the same time, we should be clearly aware that in accordance with national regulations on special equipment management, regular inspections and inspections of the performance of cranes (including lifting auxiliary equipment) are necessary to ensure the operation of lifting reduction equipment.
If the following conditions occur, the semi-enclosed hook group should be scrapped:
1. Cracks appear in the forged hook;
2. The wear of dangerous sections reaches 10% of the original size;
3. The opening is increased by 15% compared to the original size. ;
4. The torsional deformation of the hook body is more than 10°;
5. Plastic deformation occurs in the dangerous section of the semi-closed hook group or the hook neck;
6. The threads of the semi-enclosed hook group are corroded;
7. When the blade hook bushing wear reaches 50% of its original size, the bushing should be replaced;
8. When the wear of the hook spindle reaches 5% of the original size, the spindle should be replaced.
In summary, this is an introduction to the semi-enclosed hook group. I hope it can help everyone.
The fall accident of the semi-enclosed hook unit is caused by both human and material factors. Therefore, we should strive to carry out design, equipment procurement and installation construction in accordance with national regulations and standards on lifting machinery in terms of equipment selection, protective measures, factory construction, lifting processes, working environment, regular inspections, etc. Starting from the two aspects of people and materials, users should formulate rules, regulations and operating procedures for the operation, maintenance and management of cranes.
At the same time, we should be clearly aware that in accordance with national regulations on special equipment management, regular inspections and inspections of the performance of cranes (including lifting auxiliary equipment) are necessary to ensure the operation of lifting reduction equipment.
If the following conditions occur, the semi-enclosed hook group should be scrapped:
1. Cracks appear in the forged hook;
2. The wear of dangerous sections reaches 10% of the original size;
3. The opening is increased by 15% compared to the original size. ;
4. The torsional deformation of the hook body is more than 10°;
5. Plastic deformation occurs in the dangerous section of the semi-closed hook group or the hook neck;
6. The threads of the semi-enclosed hook group are corroded;
7. When the blade hook bushing wear reaches 50% of its original size, the bushing should be replaced;
8. When the wear of the hook spindle reaches 5% of the original size, the spindle should be replaced.
In summary, this is an introduction to the semi-enclosed hook group. I hope it can help everyone.
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