吊钩是起重设备的执行部件,它形状特殊、受力复杂,在不同部位同时受拉、压、剪切和扭转等力的作用,还受到吊运工件所在的工作环境冷、热、有害气体侵蚀以及振动和冲击等条件的影响,因此,加强对吊钩的安全检查,对保证人身安全是非常必要的。 锻造吊钩通常由螺纹、空刀槽、钩颈、 Hook is the executive component of the lifting equipment. It has special shape, complex force, simultaneous pulling, pressing, shearing and twisting in different parts. It is also affected by the cold, hot and harmful working environment where the lifting work is carried out Gas erosion and vibration and impact of the impact of other conditions, therefore, to strengthen the hook safety inspection, to ensure personal safety is necessary. Forging hooks usually by the thread, empty knife, hook neck,