GB/T 44258-2024 Earth-moving machinery - Battery electric wheel loaders for plateau tunnels
1 Scope
This document specifies the parameters, requirements, inspection rules, and marking, packaging, transportation and storage for battery electric wheel loaders for plateau tunnels, and also describes the corresponding test methods.
This document is applicable to the manufacture and testing of wheel loaders that operate entirely on energy supplied by on-board rechargeable energy storage systems and are driven by electric motors, with a maximum operating voltage of Class B, for use under tunnel conditions in plateau environments.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB/T 5226.1 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 6375 Earth-moving machinery - Method of test for the measurement of drawbar pull
GB/T 8419 Earth-moving machinery - Laboratory evaluation of operator seat vibration
GB/T 8499 Earth-moving machinery - Method for locating the centre of gravity
GB/T 8592 Earth-moving machinery - Determination of turning dimensions of wheeled machines
GB/T 8595 Earth-moving machinery - Operator's controls
GB/T 10175.1 Earth moving machinery - Loaders and backhoe loaders - Part 1: Calculation of rated operating capacity and test method for verifying calculated tipping load
GB/T 10175.2 Earth moving machinery - Loaders and backhoe loaders - Part 2: Test method for measuring breakout forces and lift capacity to maximum lift height
GB/T 10913 Earth-moving machinery - Determination of ground speed
GB/T 14039-2002 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 16935.1-2023 Insulation coordination for equipment within low-voltage supply systems - Part 1: Principles, requirements and tests
GB/T 16937 Earth-moving machinery - Operator’s field of view - Test method and performance criteria
GB/T 17771 Earth-moving machinery - Falling-object protective structures - Laboratory tests and performance requirements
GB/T 17921 Earth-moving machinery - Seat belts and seat belt anchorages - Performance requirements and tests
GB/T 17922 Earth-moving machinery - Roll-over protective structures - Laboratory tests and performance requirements
GB 18384-2020 Electric vehicles safety requirements
GB/T 18488 Drive motor system for electric vehicles
GB/T 18826 1,1,1,2-Tetrafluoroethane (HFC-134a) for industrial use
GB/T 19932-2005 Earth-moving machinery - Hydraulic excavators - Laboratory tests and performance requirements for operator protective guards
GB/T 19933.2 Earth-moving machinery - Operator enclosure environment - Part 2: Air filter element test method
GB/T 19933.3 Earth-moving machinery - Operator enclosure environment - Part 3: Pressurization 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/T 20178 Earth-moving machinery - Machine safety labels - General principles
GB/T 20418-2011 Earth-moving machinery - Lighting, signalling, and marking lights, and reflex-reflector devices
GB/T 20645-2021 Specific environmental condition - Technical requirements of low-voltage apparatuses for plateau
GB/T 20953 Tractors and machinery for agriculture and forestry - Determination of burning behavior of cab interior materials
GB/T 21152-2018 Earth-moving machinery - Wheeled or high-speed rubber-tracked machines - Performance requirements and test procedures for brake systems
GB/T 21153 Earth-moving machinery - Units for dimensions, performance and capacities and their measurement accuracies
GB/T 21154 Earth-moving machinery - Methods of measuring the masses of whole machines, their equipment and components
GB/T 21155 Earth-moving machinery - Machine-mounted audible travel alarms and forward horns - Test methods and performance criteria
GB/T 21942 Earth-moving machinery - Loader and front loading excavator buckets - Volumetric ratings
GB/T 22358 Earth-moving machinery - Preservation and storage
GB/T 22359.1 Earth-moving and building construction machinery - Electromagnetic compatibility (EMC) of machines with internal electrical power supply - Part 1: General EMC requirements under typical electromagnetic environmental conditions
GB/T 25602 Earth-moving machinery - Machine availability - Vocabulary
GB/T 25604 Earth-moving machinery - Loaders - Terminology and commercial specifications
GB/T 25606 Earth-moving machinery - Product identification numbering system
GB/T 25614 Earth-moving machinery - Determination of sound power level - Dynamic test conditions
GB/T 25615 Earth-moving machinery - Determination of emission sound pressure level at operator’s position - Dynamic test conditions
GB/T 25622.1 Earth-moving machinery - Operator’s manual - Part 1: Contents and format
GB/T 25684.3-2021 Earth-moving machinery - Safety - Part 3: Requirements for loaders
GB/T 25685.1 Earth-moving machinery - Field of vision of surveillance and rear-view mirrors - Part 1: Test methods
GB/T 25685.2 Earth-moving machinery - Field of vision of surveillance and rear-view mirrors - Part 2: Performance criteria
GB/Z 26139 Earth-moving machinery - Guidelines for assessment of exposure to whole-body vibration of ride-on machines - Use of harmonized data measured by international institutes, organizations and manufacturers
GB/T 32070 Earth-moving machinery - Object detection systems and visibility aids - Performance requirements and tests
GB/T 35198-2017 Earth-moving machinery - Wheeled loader - Test methods
GB/T 35199-2017 Earth-moving machinery - Wheeled loader - Technical specifications
GB/T 37133 Technical specifications of high duty cables and connectors for electric vehicles
GB/T 38943.1-2020 Earth-moving machinery - Electrical safety of machines utilizing electric drives and related components and systems - Part 1: General requirements
GB/T 38943.3 Earth-moving machinery - Electrical safety of machines utilizing electric drives and related components and systems - Part 3: Particular requirements for self-powered machines
GB/T 41349 Safety of machinery - Specification for emergency stop devices
GB/T 44254 Electric earth-moving machinery - Terminology
GB/T 44257.1 Traction battery of electric earth-moving machinery - Part 1: Safety requirements
GB/T 44257.2 Traction battery of electric earth-moving machinery - Part 2: Electrical performance requirements
JB/T 5947 Engineering machinery - General technical specifications for packaging
JB/T 12462 Wheel loaders - Accelerated reliability test specification
JB/T 12463 Wheel loaders - Reliability test procedures, failure classification and evaluation
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 25602, GB/T 25604 and GB/T 44254 as well as the following apply.
3.1
battery electric wheel loader for plateau tunnels
wheel loader that operates entirely on power supplied by an on-board rechargeable energy storage system, is driven by an electric motor, and is suitable for construction under the environmental conditions of plateau tunnels
4 Parameters
The main parameters of battery electric wheel loaders for plateau tunnels (hereinafter referred to as the "electric loaders") are given in Annex A.
Contents
Foreword III
1 Scope
2 Normative references
3 Terms and definitions
4 Parameters
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Informative) Main parameters of electric loaders
Annex B (Informative) Test records for electric loaders
Bibliography
Figure 1 High voltage warning mark
Figure 2 Sketch of operating site
Table 1 Test methods for other performance of electric loaders
Table 2 Failure classification and assessment criteria
Table 3 Inspection items and categories for loaders
Table A.1 Main parameters of electric loaders
Table B.1 Record form for operation performance test
Table B.2 Record form for comprehensive thermal balance test
