National Standard of the People's Republic of China Lifting hooks Terms Lifting hooks-Nomenclature This standard is equivalent to the international standard ISO1837-1973 "Terms of Lifting Hooks". Scope of application UDC 621.865 GB 4307-84 ISO 1837-1973 This standard specifies the terms and graphic symbols of various types of hooks used in various lifting machinery. The Chinese and English comparison table of the terms of lifting hooks is shown in Appendix A (Supplement). 2 Classification and graphic symbols Lifting hooks are classified and their graphic symbols are specified as follows: by connector (see 2.1), by shape (see 2.1), c. by purpose (see 2.2). 2.1 The hooks classified by connector and shape are shown in the table. By connector By shape C-shaped hook Hooks of other shapes 2.2 The hooks classified by purpose are mainly as follows: a. General hooks, Marine hooks (used for cargo loading and unloading), Eye hooks Single eye hook C-shaped eye hook Double eye hook Other eye hooks Hooks for steel mills (especially used for lifting high-temperature materials, usually laminated hooks). Issued by the National Bureau of Standards on June 5, 1984 Straight shank hook Straight shank single hook Straight shank C-shaped hook Straight shank double hook Other straight shank hooks Implemented on March 1, 1985 C-shaped hook Eye hook Eye single hook Eye C-shaped hook Eye double hook Straight shank hook Straight shank single hook Straight shank C-shaped hook Straight shank double hook General hook Marine hook Steel mill hook Additional instructions: GB 4307—84 Appendix A Chinese and English comparison table of terms for fumigating hooks (supplement) hook with point C hookbZxz.net ramshorn hook eye hook eye hook with point eye C hook eye ramshorn hook shank hook shank hook with point shank C hook shank ramshorn hook hook for general use marine hook hook for steel works This standard was proposed by the Ministry of Machinery Industry of the People's Republic of China. This standard was drafted by the Beijing Hoisting and Conveying Machinery Research Institute of the Ministry of Machinery Industry. The main drafter of this standard was Shen Jingbao. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.