This standard specifies the terms and definitions, types and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of electric chain hoists. This standard applies to electric chain hoists used in general working environments or for lifting molten metal. Electric chain hoists used in other environments can be used as a reference. This standard does not apply to electric chain hoists (hereinafter referred to as chain hoists) used in the following environments: environments with explosive gases, combustible dust and corrosive gases.
JB/T 5317-2016 Referenced Document
GB 14048.1-2012 Low-voltage switchgear and controlgear.Part 1:General rules
GB 14048.4 Low-voltage switchgear and controlgear.Part 4-1:Contactors and motor-starters.Electromechanical contactors and motor-starters (Including motor protector)
GB 4208 Degrees of protection provided by enclosure(IP code)
GB 6067.1 Safety rules for lifting appliances.Part 1:General
GB 755-2008 Rotating electrical machines.Rating and performance
GB/T 10051.1 Lifting hooks.Part 1:Mechanical properties,lifting capacities,stresses and materials
GB/T 1032-2012 Test procedures for three-phase induction motors
GB/T 8923.1 Preparation of steel substrates before application of paints and related products.Visual assessment of surface cleanliness.Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coa
GB/T 9286 Paints and varnishes—Cross-cut test*, 2021-08-20 Update
JB/T 12745 Electric hoist energy efficiency limit*, 2016-04-05 Update