What are the dangerous sections of the crane hook?
The sling tension A-A section on the one hand, the hook has straightened trend; also by the effect of bending moment on the other hand. Because the moment in this section, the bending stress is maximum, this section is a dangerous section.
B -B and A-A section section of the same, B -B section in the sling tension loading, have been straightened and cut off the trend here, shearing stress is maximum, it is also dangerous section.
) C -C section of the section is the thinnest part of the hook column in a sling tension, have pulled off the trend. Here the maximum tensile stress, it is also dangerous section.
