A) the size of the clamp should be suitable for the thickness of the wire rope, u-shaped ring from the inside of the net, to 1-3 mm larger than diameter of wire rope, net distance should not be too tight rope, prone to accidents.

   B) on the card head must tighten bolts, until the rope is squashed 1/3, 1/4 diameter, and after the rope force, the card head bolt tight again, to ensure that the joints are secure.

   C) card head to arrange YiShun, u-shaped part contact with rope head, can't contact with the main line, if U part contact with the main line, the main rope after being crushed, the stress is easy to broken wires.

   D) in order to check whether the joint is reliable, and found that whether the wire rope slide, but in the final card to the back of the head is about 500 mm place again according to the head of a card, and the rope head let out a "safe turn". So, when the joint of steel wire rope sliding occurs. "Security bend" is first straight, then you should take immediate measures to deal with.