On the single-girder crane wire rope safety standards require precautions

  Single girder crane crane rope, although a small part of the whole, but also has its unique security standards, require attention. In addition to the provisions should be consistent with industry standards and have a product inspection certificate, but they also need to pay attention to the following points:
  1 safety factor on the wire is a certain requirement, for example, sector level M1, M2, M3 safety factor should be 4, and the level of the coefficient of 4.5 M5, M5 level safety factor of 5, Level is a factor of 6 M6, M7 coefficient of level 7, and the level of the level coefficient M8 9. Also note that if the  eot crane  to lift the dangerous goods, then the level of security necessary rope higher than the average one.
2 wire rope on the drum neatly arranged in the order you want, when many wire rope supporting the load balancing device should have to make the rope force balance. There is a working position when the hook at the lowest point, the wire rope on the drum in addition to a fixed number of turns things, must be greater than or equal to 2 laps.
3 For special single girder  jib crane  , such as high up a lot of single girder cranes need to have a special rope, then use or to not loose, non-rotating wire rope, or to prevent the rope or spreader used with rotary device rope.
4 on the single-girder crane wire rope maintenance problems, reduced performance should prevent the rope to prevent knotted or twisted. When the rope off to prevent its spread. Wire rope shall stained debris, nor by heating to cut. Slings shall not have the middle joint, must be made ​​by the entire rope. In addition, one should always check the single beam  Steel crane  wire rope lubrication situation, to meet the requirements.