1 Scope
This standard specifies technical requirements, test methods, inspection rules, marks and transportation of harbor portal cranes (hereinafter referred to as cranes)
This standard is applicable to cranes used for loading and unloading operation of port breakbulk cargo, bulk cargo, freight containers and complete set of equipments. Cranes used by shipyards and power stations could also be used and referred to.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.
GB/T 699 quality carbon structural steels
GB/T 700 carbon structural steels (GB/T 700- 2006, ISO 630: 1995, NEQ)
GB 755 Rotating electrical machines-Rating and performance (GB 755-2008, IEC 60034-1: 2004, IDT)
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 1031 Surface roughness parameters and their values (GB/T 1031-1995, neq ISO 468: 1982) grass
GB/T 1184 Geometrical tolerance for features without individual tolerance indications (GB/T 1184-1996, eqv ISO 2768-2: 1989)
GB/T 1228 High Strength Bolts with Large Hexagon Head for Steel Structures (GB/T 1228-2006, ISO 7412: 1984, NEQ)
GB/T 1229 High strength large hexagon nuts for steel structures (GB/T 1229- 2006, ISO 4775: 1984, NEQ)
GB/T 1230 High strength plain washers for steel structures (GB/T 1230-2006, ISO 7416: 1984, NEQ)
GB/T 1231 Specifications of High Strength Bolts with Large Hexagon Head, Large Hexagon Nuts, Plain Washers for Steel Structures
GB/T 1348 Spheroidal graphite iron castings (GB/T 1348-2009, ISO 1083: 2004, MOD)
GB/T 1413 Series 1 freight containers—Classification, dimensions and ratings (GB/T 1413-2008, ISO 668: 1995, IDT)
GB/T 1591 High strength low alloy structural steels
GB/T 1801 Geometrical product specifications (GPS) - Limits and fits - Selection of tolerance zones and fits (GB/T 1801-2009, ISO 1829: 1975, MOD)
GB 2893 Safety colors (GB 2893- 2008, ISO 3864-1: 2002, MOD)
GB 2894 Safety signs and guideline for the use
GB/T 3077 Alloy Structure Steels
GB/T 3220 Dimensional and capacity series for freight container spreader
GB/T 3323 Radiographic examination of fusion welded joints in metallic materials
GB/T 3766 Hydraulic fluid power-General Rules for the application of equipment to transmission and control systems (GB/T 3766-2001, eqv ISO 4413: 1998)
GB/T 3797 Electrical control assemblies
GB/T 3811 Design Rules for Cranes
GB/T 4323 Pin coupling with elastic sleeve
GB/T 5117 Carbon Steel Covered Electrodes
GB/T 5118 Low Alloy Steel Covered Electrodes
GB 5226.2 Safety of machinery-Electrical equipment of machines-Part 32: Requirements for hoisting machines (GB 5226.2-2002, idt IEC idt IEC 60204-32: 1998)
GB/T 5293 Carbon steel electrodes and fluxs for submerged arc welding
(all parts) Metric trapezoidal screw threads
GB/T 5973 Cuneiform connector for use with steel wire ropes
GB/T 5975 Clamping plates for fixing steel wire ropes
GB/T 5976 Wire rope grips
GB/T Safety Rules for Lifting Appliances
GB/T 6946 Aluminium-alloy swaged ferrules for steel wire rope
GB/T 7935 Hydraulic fluid power-General rules of technical requirements for hydraulic components
GB/T 8110 Welding electrodes and rods for gas shielding arc welding of carbon and low alloy steel
GB 8918 Steel wire ropes for important purposes (GB 8918-2006, ISO 3154: 1988, MOD)
GB/T 8923 Rust Grades and Preparation Grades of Steel Surfaces before Application of Paints and Related Products (GB/T 8923-1988, ISO 8501-1: 1988)
GB/T 9286 Paints and varnishes-Cross cut test for films (GB/T 9286-1998, eqv ISO 2409: 1992)
GB/T 9439 Grey iron castings
GB/T 10051.1 Lifting hooks mechanical properties, lifting capaciti-es, stresses and materials (GB/T 10051.1-1988, eqv DIN 15400)
GB/T 10051.2 Lifting hooks-Technical conditions of shank hook (GB/T 10051.2- 1988, eqv DIN 15401)
GB/T 10095 (all parts) Cylindrical gears-System of accuracy
GB/T 10096 Accuracy of rack
GB/T 11345 Method for Manual Ultrasonic Testing and Classification of Testing Results for Ferritic Steel Welds
GB/T 11352 Carbon steel castings for general engineering purpose (GB/T 11352-2009, ISO 3755: 1991, ISO 4999: 2003, MOD)
GB/T 12470 Carbon steel electrodes and fluxs for submerged arc welding
GB 12602 Lifting appliances-safety devices against overloading
GB/T 12668.2 Adjustable speed electrical power drive systems-Part 2: General requirements-Rating specifications for low voltage adjustable frequency a.c. power drive systems (GB/T 12668.2- 2002, IEC 61800-2: 1998, IDT)
GB/T 13384 General Specifications for Packing of Mechanical and Electrical Product
GB/T 14957 Steel wires for melt welding
GB/T 17587.3 Ball screws-Part 3: Acceptance conditions and acceptance tests (GB/T 17587.3-1998, eqv ISO 3408-3: 1992)
GB/T 20303.1 Cranes - Cabins - Part 1: General (GB/T 20303.1- 2006, ISO 8566-1: 1992, IDT)
GB/T 20303.4 Cranes - Cabins - Part 4: Jib cranes (GB/T 20303.4-2006, ISO 8566-4: 1992, IDT)
GB 50150 Standard for hand-over test of electric equipment electric equipment installation engineering
GB 50168 Code for construction and acceptance of cable system electric equipment installation engineering
GBJ 148 Specifications for construction and acceptance of power transformers
CB /T 3123 Quality specification of flame cutting plane for marine rolling steel
JB/T 5901 Universal shift coupling of centerpieces
JB/T 6406 Electro-hydraulic drum brakes
JB/T 7019 Disk brakes-brake discs
JB/T 7020 Electro-hydraulic drum brakes
JB/T 10603 Electro-hydraulic thrusters
JGJ 82 design, construction and acceptance and specifications of high strength bolt connection
JTJ 244 Quality control standards of port facility installation engineering
3 Technical Requirements
3.1 Requirements for complete machines
3.1.1 The design of cranes shall meet those specified in GB/T 3811 and this standard.
3.1.2 Cranes shall be made and installed according to approved drawings and relevant technical documents in the established procedure and meet those specified in this standard.
3.1.3 In the rated load test of cranes, each mechanisms shall be in a good in working order, free from abnormal noises, component s shall be in good order and condition and joints shall be free from looseness, construction parts shall be free from flaw, permanent deformation and surface coat crinkle, weld seams shall be flawless, electrical elements shall be in good order and condition and the operation of the complete machine shall meet performance requirements specified in the design.
3.1.4 In the static test, cranes shall be able to bear a test load 1.25 times of the rated elevating capacity. as for crane with the work class of A7~ A8, the test load shall be determined in accordance with design specifications. In the test, each mechanism shall be in good working order, free from abnormal noises; mechanisms and structural strength shall meet design requirements, free from residual deformation and damage and the joints shall be free from looseness; the fixed joint surfaces shall be free from oil impregnate and the operating joint surfaces shall be free from oil dripping; electrical elements shall be in good order and condition.
3.1.5 In the static test, cranes shall be able to bear a test load 1.25 times of the rated elevating capacity. as for crane with the work class of A7~ A8, the test load shall be determined in accordance with design specifications. In the test, mechanisms and structures shall be flawless and free from permanent deformation, the path shall be free from crinkle, the joint shall be free from looseness and the joint surface shall be free from oil impregnate and cranes shall not be abnormal.
3.1.6 If the stability test is carried out for the crane, stability test load and static stability test load shall be implemented in accordance with GB/T 3811.
3.1.7 New products shall accomplish an operation industrial gender for at least 1000h. In the test, each several parts of the crane shall be free from big damage or abnormal performance. In the test, the crane shall not have out of service for more than 3 times on the same part (including 3 times)
Foreword I
1 Scope
2 Normative References
3 Technical Requirements
4 Test Methods
5 Inspection Rules
6 Marking and Transportation
Annex A (Informative) Test Record and Result Table
