This standard specifies terms and definitions, types and main parameters, specifications, test methods, inspection rules, marking, packaging, transportation and storage for hydraulic mining excavator(s) (hereinafter referred to “excavator(s)”).
This standard is applicable to the hydraulic excavators used for open-pit mining or earthwork, with working mass greater than 200 t.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 755 Rotating electrical machines - Rating and performance
GB/T 1251.1 Ergonomics - Danger signals for public and work areas - Auditory danger
GB/T 3766 Hydraulic fluid power - General rules and safety requirements for systems and their components
GB 4351.1 Portable fire extinguishers - Part 1: Performance and construction
GB/T 4879-2016 Rustproof packaging
GB 5226.1 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB 5226.3 Safety of machinery - Electrical equipment of machines - Part 11: Requirements for HV equipment for voltages above 1000 Va. c. or 1500 V d. c. and not exceeding 36 kV
GB 9656 Safety glazing materials for road vehicles
GB/T 13306 Plates
GB/T 14039 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles
GB/T 14711 General requirements for safety of small and medium size rotating electrical machines
GB/T 16754 Safety of machinery - Emergency stop - Principles for design
GB/T 17300 Earth-moving machinery - Access systems
GB/T 17301 Earth-moving machinery - Operator station and maintenance areas - Bluntness of edges
GB/T 18204.1 Examination methods for public places - Part 1: Physical parameters
GB/T 18209.1 Electrical safety of machinery - Indication, marking and actuation - Part 1: Requirements for visual, acoustic and tactile signals
GB 19517 National technical specification for the safety of electric equipments
GB/T 19932 Earth-moving machinery - Hydraulic excavators - Laboratory tests and performance requirements for operator protective guards (ISO 10262: 1998, MOD)
GB/T 19933.2 Earth-moving machinery - Operator enclosure environment - Part 2: Air filter element test method
GB/T 19933.4 Earth-moving machinery - Operator enclosure environment - Part 4:Heating, ventilation and air conditioning (HVAC) test method and performance
GB/T 19933.5 Earth-moving machinery - Operator enclosure environment - Part 5: Windscreen defrosting system test method
GB 20891 Limits and measurement methods for exhaust pollutants from diesel engines of non-road mobile machinery (CHINA III, IV)
GB/T 21935 Earth-moving machinery - Zones of comfort and reach for controls
GB/T 21941 Earth-moving machinery - Volumetric ratings for hoe-type and grab-type buckets of hydraulic excavators and backhoe loaders
GB/T 21942 Earth-moving machinery - Loader and front loading excavator buckets - Volumetric ratings
GB/T 25615 Earth-moving machinery - Determination of emission sound pressure level at operator’s position - Dynamic test conditions
GB/T 25622 Earth-moving machinery - Operator’s manual - Part 1: Contents and format
GBZ 2.1 Occupational exposure limits for hazardous agents in the workplace - Part 1: Chemical hazardous agents
GBZ/T 192.1 Determination of dust in the air of workplace - Part 1: Total dust concentration
GB/T 5000 (All parts) Heavy mechanical general techniques and standards
JB/T 10607 Guidelines for use of hydraulic system fluids
GB/T 755 Rotating electrical machines - Rating and performance
GB/T 1251.1 Ergonomics - Danger signals for public and work areas - Auditory danger
GB/T 3766 Hydraulic fluid power - General rules and safety requirements for systems and their components
3 Terms and definitions
For the purposes of this document, the terms and definitions specified in GB/T 8498 and GB/T 6572 and the following apply.
3.1
hydraulic mining excavator
super-large hydraulic excavator suitable for excavating materials or earthwork in open-pit mines, with its main action driven by hydraulic system, with the functions of excavating materials, slewing, unloading and running, and with its working mass greater than 200 t
3.2
standard capacity
bucket capacity suitable for operating in the material with the loose density of 1,800 kg/m3
4 Types and main parameters
4.1 Types
Excavators may be classified into two types: electric motor drive type and diesel engine drive type according to the type of prime mover.
Excavators may be classified into two types: forward shovel type (see Figure 1) and backhoe type (see Figure 2) according to the type of working device.
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Types and main parameters 4.1 Types 4.2 Models 4.3 Main parameters 5 Technical requirements 5.1 General 5.2 Safety and environmental protection requirements 5.3 Requirements for driver’s cab 5.4 Accompanying documents 6 Test methods and inspection rules 6.1 No-load test for final assembly 6.2 End-of-manufacturing inspection 6.3 Type inspection 7 Marking, packaging, transportation and storage Figure 1 Diagram of excavator - forward shovel type Figure 2 Diagram of excavator - backhoe type Table 1 Main parameters of excavator
