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Electric chain hoist. dd During the operation, in order to tie the hanging objects firmly, it is necessary to tie various knots on the ropes. In order to meet different purposes, the knots should be easy to tie, firmly connected and easy to untie. Not only will they fall apart after being stressed, but the greater the force, the tighter the knot will be. The electric chain The following knots are commonly used during the operation of the elevator
Flat knot. Used to connect two rope ends. This knot method is not easy to untie after use. Therefore, it is generally only used to lift lighter objects.
Combination knot. It is also a method of connecting two rope ends. This knot is easy to untie after use.
Tie the knot. There are two types of tying knots, one is a fixed-end knot used for cable wind ropes and the other is used as a slip knot, which can be slowly loosened in the hand. When in use, the rope rolls on the wooden stakes should be arranged neatly, do not press heavily, and the loose end (i.e., the live end) should be placed on it, and it should also be prevented from slipping during the loosening time.
Ladder knot. Used for mast lashing and wind rope.
Double trapezoidal knot. Used for tying wind ropes to masts.
Word knot. Use hemp rope to lift small objects.
Inverted back knot. Hemp rope is used for lifting vertically long objects.
Board knot. Used for temporarily setting up scaffolding boards at high altitudes.
Pipa knot. It is often used to connect the slide rope to the hanging object and fix the rope head.
Hook knot. For connection between rope and hook.
Carry the stick knot. Used when two people are lifting objects.
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