JB/T 14453-2024 Earth-moving machinery - Electric hydraulic excavators with external power supply device - Technical specifications
1 Scope
This document specifies the technical requirements for electric hydraulic excavators with external power supply device, describes the corresponding test methods, and specifies the inspection rules, marking, packaging, transportation and storage.
This document is applicable to the manufacture of crawler electric excavators with a working mass of not more than 50,000 kg, which are continuously supplied by external cables during operation.
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 755 Rotating electrical machines - Rating and performance
GB/T 2900.1 Electrotechnical terminology - Fundamental terms
GB/T 4208-2017 Degrees of protection provided by enclosure (IP code)
GB/T 5226.1-2019 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 25606 Earth-moving machinery - Product identification numbering system
GB/T 25684.1 Earth-moving machinery - Safety - Part 1: General requirements
GB/T 25684.5 Earth-moving machinery - Safety - Part 5: Requirements for hydraulic excavators
GB/T 25685.2 Earth-moving machinery - Field of vision of surveillance and rear-view mirrors - Part 2: Performance criteria
GB/T 32070 Earth-moving machinery - Hazard detection systems and visual aids - Performance requirements and tests
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 38943.2-2020 Earth-moving machinery - Electrical safety of machines utilizing electric drives and related components and systems - Part 2: Particular requirements for externally-powered machines
JB/T 14454 Earth-moving machinery - Electric hydraulic excavators with external power supply device - Test methods
JB/T 5946 Engineering machinery - General technical specifications for paint coating
JB/T 5947 Engineering machinery - General technical specifications for packaging
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 6572 and GB/T 2900.1 and the following apply.
3.1
external power supply device
device that is placed outside the excavator and provides power to the excavator through an external cable
Note: See Annex A for the examples of external power supply device.
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements 5 Test methods 6 Inspection rules 7 Marking, packaging, transportation and storage Annex A (Informative) Examples of external power supply device Annex B (Informative) Main parameters of electric excavator Bibliography Figure A.1 Energy storage type external power supply device (trailer) Figure A.2 Energy storage type external power supply device (crawler) Figure A.3 External power supply device (fixed rotation) Figure A.4 External power supply device Table 1 Table B.1
