This Standard specifies the terms, order contents, classification, category code and principal parameter, structure and model, requirements, test methods, inspection rules marking, packaging, transportation and storage for beam-type lifting device.
This Standard is applicable to beam-type lifting device for hoisting under crane hook (hereinafter referred to as lifting device). Other beam-type lifting devices not specified in this Standard may also refer to it.
2 Normative References
The following documents for the application of this Standard are essential. For dated reference, only the edition cited applies. For undated references, the latest edition (including any amendments) applies to this Standard.
GB/T 321 Preferred Numbers-Series of Preferred Numbers(GB/T 321-2005, ISO 3:1973, IDT)
GB/T 699 Quality Carbon Structural Steels
GB/T 985.1 Recommended Joint Preparation for Gas Welding Manual Metal Arc Welding Gas-shield Arc Welding and Beam Welding (GB/T 985.1-2008,ISO 9692-1:2003, MOD)
GB/T 985.2 Recommended Joint Preparation for Submerged Arc Welding (GB/T 985.2-2008, ISO 9692-2:1998,MOD)
GB/T 1231 Specifications of High Strength Bolts with Large Hexagon Head, Large Hexagon Nuts, Plain Washers for Steel Structures
GB/T 1591 High Strength Low Alloy Structural Steels
GB 2893 Safety Colour (GB 2893-2008, ISO 3864-1:2002, MOD)
GB/T 3077 Alloy Structure Steels
GB/T 3323-2005 Radiographic Examination of Fusion Welded Joints in Metallic Materials
GB/T 6402-2008 Steel Forgings- Method for Ultrasonic Testing
GB/T 8162 Seamless Steel Tubes for Structural Purposes
GB/T 8923-1988 Rust Grades and Preparation Grades of Steel Surfaces before Application of Paints and Related Products (eqv ISO 8501-1:1988)
GB/T 11345-1989 Method for Manual Ultrasonic Testing and Classification of Testing Results for Ferritic Steel Welds
GB/T 16270 High-strength Structual Steel Plated and Strips: Products Supplied in The Heat - Treated or Controlled Rolled Condition(GB/T 16270-1996, neq ISO 4950-3:1981)
GB/T 16762 Wire Rope Slings for General Purposes-Characteristics and Technical Requirements(GB/T 16762-1997, eqv ISO 7531:1987)
GB/T 20652 Chain Slings of Welded Construction - Grades M(4) S(6) and T(8)(GB/T 20652-2006, ISO 4778:1981, IDT)
GB 50017 Code for Design of Steel Structures
JB/T 5000.3-2007 Heavy Mechanical General Techniques and Standards - Part 3: and Standards Welding
JB/T 5000.8 Heavy Mechanical General Techniques and Standards - Part 8: Forging
JB/T 5000.12-2007 Heavy Mechanical General Techniques and Standards - Part 12:Paint
JB/T 5000.15-2007 Heavy Mechanical General Techniques and Standards - Part 15:Non-destructive Inspection of Forged Steel
JB/T 8398 Double Radial Plate Pressed Pulley
JB/T 8521.1 Textile Slings-Safety - Part 1:Flat Woven Webbing Slings Made of Man-made Fibres for General Purpose Use
JB/T 8521.2 Textile slings-Safety - Part 2:Round Slings Made of Man-made Fibres for General Purpose Use
JB/T 9005.10 Casting Sheaves for Cranes - Technical Requirement
JB/T 9739.2 Truck Crane and Wheel Crane - Sheave
JJG 4 - 1999 Steel Tape
LD/T 48 Lifting Appliances - Load Handing Devices and Slings-Safety Rules
TB/T 3123.11 Rescue Equipment for Railway Accident - Part 11: Slings Made of High-performance Synthetic Fibers
ISO 7593 Chain Slings of Non-welded Construction - Grade T(8)
3 Term and Definition
For the purpose of this Standard, the following terms and definitions apply.
3.1
Beam-type lifting device
Device connected with crane hook with beam body as main body for load suspending as required by load hoisting.
3.2
Beam body
Rigid main member in lifting device, also referred to as transverse beam.
3.3
Sling
Part connected between beam body and load or crane and beam body during load lifting, with or without end fittings, E.g. lifting belt, wire rope sling, chain sling or other connecting pieces made of synthetic fibers.
