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Maintenance of crane steel wire rope


The crane wire rope is continuously used to check the wire rope through the pulley groove and the drum. The crane hoisting mechanism works. To tension, extrusion, such as friction, reverse loading, at the same time, follow through a series of wire rope pulley, and from time to time by the repeated actions of bending and extrusion will bring fatigue phenomenon of broken wires, together with other factors such as wear and corrosion, intensify the development of the steel wire rope broken wires, therefore, dealing with the hoist wire rope for appearance inspection once a week, every month should be a full detail specific inspection, good to a small number of broken wires to dispose of, in case of broken wires to make other wire broken; To individual section of wire rope, cutting in time, for example, if not reverse the wire rope fixed, torsion balance, cage phenomenon occurs near the anchor end, if not timely excision, will affect the service life of the whole cable. For not reverse the wire rope, because of its special structure around when entanglement must not damage or interfere with the original fixed pitch, between strand cable, to prevent slip or outer strand loose form cage shape. The steel wire rope is an important part in lifting mechanism, which guarantees the quality of production, and the use factor has great influence on the service life of the wire rope. Otherwise, the wire rope will diverge in the winding process, thus reducing the service life of the wire rope.The surrounding the entanglement of crane steel wire rope has direct influence the service life of wire rope or no more than 2 °, used and maintained to the service life of wire rope has a great influence. Choosing the best type of wire rope and pulley material, by professional staff timely inspection, maintenance and use, the structure to ensure the Central Line of wire rope and neutral wire reel, pulley axis Angle alpha 1 ° 30 'or less. It will extend the service life of the wire rope, reduce the construction interest, guarantee the construction period and improve the economic efficiency. Before lubrication wire rope, wire rope should be physically clear out the backlog of dirt and rust, grease heated to a temperature of about 60 ° C, the grease can be fully soaked to the interior of the wire rope.Prevent the crane wire rope from repeatedly bending.The crane steel wire rope is constantly used in the pulley groove and drum, and the maintenance of the steel wire rope of the heavy crane is discussed in detail to maintain the influence of the life of the maintenance of the life of the lifting mechanism. To tension, extrusion, such as friction, reverse loading, at the same time, follow through a series of wire rope pulley, and from time to time by the repeated actions of bending and extrusion will bring fatigue phenomenon of broken wires, together with other factors such as wear and corrosion, intensify the development of the steel wire rope broken wires, therefore, deal with wire rope for appearance inspection once a week, every month should be a full detail specific inspection, good to a small number of broken wires to dispose of, in case of broken wires to make other wire broken; To individual section of wire rope, cutting in time, for example, if not reverse the wire rope fixed, torsion balance, cage phenomenon occurs near the anchor end, if not timely excision, will affect the whole.

Pre:The lubrication of crane truck wire rope has a great influence on the service life of wire rope

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