How to classify lifting hook? What are the advantages and disadvantages?
Hook for lifting large objects. The general forging single hook is mainly used for lifting 30 tons of crane, crane hook for lifting load between 50 tons ---100 tons; single hook for lifting 75 tons --350 tons, for the crane hook lifting load of more than 100 tons.
The tail of forging hook is usually made of triangular screw thread, and the stress concentration is serious, and it is easy to break at the crack
Hook body shape can be divided into round, square, trapezoidal and shape. Based on the analysis of the force, the most reasonable cross section, but the complex forging process, trapezoidal cross section stress is reasonable, easy to forge, rectangular (square) section is only applicable to sheet hook, off the carrying capacity is not fully utilized the volume is heavy, circular section, only for small electric hoist hook.
Hook crane is one of the essential part. On the basis of the shape, the hook can be divided into singleanddouble hookhook; the manufacturing method can be divided into forging hook and hook sheet.The utility model has the advantages of easy manufacture and convenient use, and is used for lifting light materials
