This standard specifies technical requirements, test methods, inspection rules, operation instructions and marking, packaging, transportation and storage for crawler cranes.
This standard is applicable to hydraulic crawler crane powered by internal-combustion engine (hereinafter referred to as "crane").
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB/T 3766 Hydraulic Fluid Power-General Rules Relating to Systems (GB/T 3766-2001, eqv ISO 4413:1998)
GB/T 3811 Design Rules for Cranes
GB 4208 Degrees of Protection Provided by Enclosure (IP Code)
GB/T 6974.1 Cranes - Vocabulary - Part 1: Genera l(GB/T 6974.1-2008, ISO 4306-1:2007, IDT)
GB/T 6974.6 Lifting Appliances - Vocabulary - Mobile Cranes
GB/T 7932 Pneumatic Fluid Power - General Rules Relating to Systems
GB/T 7935 Hydraulic Fluid Power - General Requirements for Hydraulic Components
GB 8918 Steel Wire Ropes for Important Purposes (GB 8918-2006, ISO 3154-1988, MOD)
GB/T 9286 Paints and Varnishes - Cross Cut Test for Films (GB/T 9286-1998, eqv ISO 2409:1992)
GB/T 9969 General Principles for Preparation of Instructions for Use of Industrial Products
GB/T 10051.1 Lifting Hooks-Mechanical Properties, Lifting Capacities, Stresses and Materials
GB/T 10051.2 Lifting Hooks-Technical Conditions of Shank Hook
GB 12602 Lifting Appliances-Safety Devices Against Overloading-Safety Technology Code
GB 12265.1 Safety of Machinery - Safety Distances to Prevent Danger Zones Being Reached by the Upper Limbs (GB 12265.1-1997, eqv EN 294:1992)
GB 12265.3 Safety of Machinery - Minimum Gaps to Avoid Crushing of Parts of the Human Body (GB 12265.3-1997, eqv EN 349:1993)
GB/T 13306 Plates
GB 15052 Lifting Appliances-Dangerous Positions and Signs
GB/T 19924 Mobile Cranes-Determination of Stability (GB/T 19924-2005, ISO 4305:1991, IDT)
GB 20062 Mobile Crawler Crane-Limits and Measurement Methods for Operating Noise
GB/T 20118 Steel Wire Ropes for General Purpose
GB/T 20303.2 Cranes - Cabins - Part 2: Mobile Cranes (GB/T 20303.2-2006, ISO 8566-2:1995, IDT)
GB 20891 Limits and Measurement Methods for Exhaust Pollutants from Diesel Engines of Non-road Mobile Machinery (I, II) (GB 20891-2007, 2002/88/EC, MOD)
GB/T 21457 Cranes and Related Equipment-Accuracy Requirements for Measuring Parameters During Testing (GB/T 21457-2008, ISO 9373:1989, IDT)
GB/T 22358 Earth-moving Machinery-Preservation and Storage (GB/T 22358-2008, ISO 6749:1984, IDT)
JB/T 4198.1 Construction Machinery - Diesel Engine - Technical Specifications
JB/T 5946 Engineering Machinery - General Technical Specifications for Coating
JB/T 7039 Hydraulic Vane Pumps
JB/T 7041 Hydraulic Gear Pumps
JB/T 7043 Hydraulic Axial Piston Pumps
JB/T 8727 Hydraulic Fluid Power-Hose Assemblies
JB/T 8728 Low Speed and High Pulling Torque Motor
JB/T 9737.1 Truck Crane and Wheel Crane - Contaminant Grade of Solid Particle in Hydraulic Fluid
JB/T 9737.2 Truck Crane and Wheel Crane - Determination of Solid Particle Contamination in the Hydraulic Fluid
JB/T 10206 Cycloid Hydraulic Motor
JG/T 5082.1 Construction Machinery and Equipment - General Specification of Welding
3 Terms and Definitions
For the purposes of this standard, the terms and definitions specified in GB/T 6974.1 and GB/T 6974.6 and those listed below apply.
3.1
Luffing jib
The fly jib whose included angle with main jib can be changed during operation process
3.2
Fixed jib
The fly jib whose included angle with main jib cannot be changed during operation process
3.3
Main jib mast
The mast, hinged with rotary table, that steel wire rope can change included angle of main jib through the pulley block on its head.
3.4
Fly jib mast
The mast, hinged with the hinge on the end of main jib or located adjacent to the hinge on the end of main jib, that steel wire rope can change included angle of fly jib through the pulley block on its head.
3.5
Superlift mast
The mast, hinged with rotary table on one end and connected with main jib and superlift counterweight through pulling plate (or pulling rope) on the other end, that can change operating range of boom and improve lifting performance.
3.6
Superlift mechanism
The device that is equipped with superlift mast, superlift counterweight and auxiliary mechanism to improve force conditions of members and stability of complete machine, thus improving lifting performance.
3.7
