powerless environment. The safe use requirements of hand pulling gourds are as follows:

1. When using it, you cannot extend your hand tips arbitrarily. Because the weight of the gourd in the hand is limited, there is a certain size of the two -handed pull force. The extended hand pull the handwat will cause the hand to pull the gourd overload and cause the parts to damage it.

2. When using the hand to pull the gourd, the ups and digue is not allowed to exceed the allowable load, and it should be used according to the lift amount of the mark.

3. Frequent inspection of the steel wire ropes to wear and twist, break, or break the stock, all those who are not in line with safe use must be replaced.

4. Before using the hand to pull the gourd, make a comprehensive inspection and test before use, and maintain well after use.

5. Because the working principle of the hand tie gourd is used to clamp the wire rope alternately with clamping clamps, it is required to use the steel wire rope with a steel core without the hemp wire rope. The phenomenon of looseness is unsafe.