The quality of the wire rope gourd hook judgment method
Electric wire rope hoist is a lifting equipment are operating personnel to follow the equipment to operate, so the the electric hoist security must check. Mainly used as the electric hoist machinery parts one hook lifting weights, hooks the purchase is the most important!
The hook choice should pay attention to? How to choose a good quality hook! Has become to choose electric hoist an important basis!
The quality of the wire rope gourd hook judgment as follows:
1, the hooks of the hook should be 360 ° in the horizontal plane and the vertical direction is greater than the flexible within the range of 180 ° rotation.
2 the hook surface should be smooth, not allowed to have defects such as peeling, acute angle, burrs, cracks, wrinkles and knife marks.
Hook and its subsidiary parts of the following conditions should be scrapped:
4, the dangerous section wear by up to 10% of the original size;
5, the opening degree than the original size increased by 15%;
6, torsional deformation exceeds 10 °;
7, the dangerous section or hook neck plastically deformed;
8, nut and hook crossbeam any crack and deformation.