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What are the maintenance methods for column Jib hooks

2020-10-29 04:29 click:761
Column jib crane is composed of column, swing arm, jib drive device and electric hoist.
The lower base of the column is fixed on the concrete foundation by anchor bolts, and the motor drives the reducer drive device to make the cantilever rotate, and the electric hoist performs reciprocating operation on the cantilever I-beam.
Jib cranes can help you shorten production preparation and non-productive work time, and reduce unnecessary waiting.
The hook is an important part of the cantilever crane, and it is also a very easy to wear part. Therefore, safety inspection and maintenance should be carried out frequently during use to ensure the normal and safe use of the cantilever crane.
Maintenance and maintenance methods for the hook of the cantilever crane:
1. It should be ensured that the surface of the hook should be smooth and clean, and there should be no defects such as cracks, sharp corners, burrs, peeling, etc.;
2. There shall be no defects such as cracks, white spots and inclusions that affect its safe use inside the hook;
3. Welding repair is not allowed on the defects on the crane parts hook;
4. The abrasion of the dangerous section shall not reach 10% of the original size;
5. The opening degree should meet the requirements of 5.2 in GB10051;
6. The torsional deformation of the crane accessory hook, that is, the torsion angle of the hook body, shall not exceed 10;
7. The dangerous section or the hook handle of the hook must not be plastically deformed;
8. The thread of the hook must not be corroded. Jib crane, balance crane, lift freight elevator;
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