Analysis of Common Damage of Overhead Crane Hook

Analysis of Common Damage of Overhead Crane Hook

When Overhead Crane Hook pulley in use, from the appearance of visible damage to the ring form, often the hook mouth parts of the wear and pulley wheel crushing.

       Hook mouth parts of the normal wear and tear, mainly for the lifting of heavy objects, it is necessary to adjust the center of gravity, forcing the rope or spreader at the hook at the sliding wear.

        The crimp of the pulley is broken, mainly caused by the collision, because the Overhead Crane Hook pulley did not rise to the necessary height, the car was unstable or crooked slanting, heavy lines and lines have a strong swing to the pulley collision to other objects On the resulting; there are drivers in violation of operating procedures, do not check the limit switch lifting conditions, do not pay attention to the lifting of the hook, and cause the hook "God", the pulley damage ring.

        Overhead Crane Hook pulley is not easy to occur in the hidden dangers, often the end of the hook tail thread or thread and the stem between the empty knife slot, due to stress concentration and cracks. Repair the hook nut should be removed, clean the dirt on the top, carefully view. Also check the hook nuts and hooks bolts, or other parts of the connection is loose or cut off the situation, to prevent the hook off their own. Also check the hook tail thread of the hook nut corrosion, if necessary, smear grease.

      Insulation hook on the insulation pad, insulation sets, etc. shall not be broken, should always check, the timely elimination of dust, wet immediately after drying. Should be regularly lubricated to the lubrication point and hinge point grease, hook nut under the thrust bearing to the regular refueling.