European Bridge Crane Maintenance Skills In Daily Life

European bridge crane maintenance skills in daily life  

 1. When the lifting is carried out, the limit switch, the height limiter and the interlocking mechanism are normal, safe and reliable.
     2, the main components requirements: the opening size is less than 15% of the original size, less than 10% of the torsional deformation; the plate hook bushing wear is less than 50% of the original size, the plate hook mandrel should be less than 5% wear, no peeling, make up Welding, burrs, hook hangers and pulleys have no obvious defects.
     3. The surface of the wire rope is worn and the amount of corrosion should be less than 40% of the diameter of the wire. At a certain distance, it is less than 10% of the total number of wires, broken, no break, no obvious discrimination, no core removal, extrusion deformation, Burning, dead corner twisting, annealing.
    4. There is no crack in the reel, no looseness in connection and fixing; the wall wear is less than 20% of the original wall thickness; the safety roll is not less than 2 turns, the diameter ratio of the reel and the wire rope should meet the requirements, and the balance wheel should be in good condition. Requirements.