Detail of JB/T 14453-2024

Introduction of JB/T 14453-2024

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 6572 Earth-moving machinery - Hydraulic excavators - Terminology and commercial specifications GB/T 7586-2018 Earth-moving machinery - Hydraulic excavators - Test methods GB/T 8419-2007 Earth-moving machinery - Laboratory evaluation of operator seat vibration GB/T 8595 Earth-moving machinery - Operator's controls GB/T 9139-2018 Earth-moving machinery - Hydraulic excavators - Technical specifications GB/T 9139 Earth-moving machinery - Hydraulic excavators - Technical specifications 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 16754 Safety of machinery - Emergency stop Principles for design GB/T 16937 Earth-moving machinery - Operator's field of view - Test method and performance criteria GB/T 17626 (All parts) Electromagnetic compatibility - Testing and measurement techniques GB/T 18826 1,1,1,2-Tetrafluoroethane (HFC-134a) for industrial use GB 20,178 Earth-moving machinery - Machine safety labels - General principles GB/T 22358 Earth-moving machinery - Preservation and storage GB/T 22359 Earth-moving machinery - Electromagnetic compatibility 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.

Contents of JB/T 14453-2024

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