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GB/T 45926-2025Earth-moving machinery — Battery swap system of electric hydraulic excavators — General requirements (English PDF)

土方机械纯电动液压挖掘机换电系统通用要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

June 30, 2025

Implementation date

January 1, 2026

Scope

GB/T 45926-2025 is the English-translated version of 土方机械纯电动液压挖掘机换电系统通用要求.

GB/T 45926-2025 is the Chinese national standard covering swapping the battery of an electric excavator instead of waiting for it to charge — the onboard part of the system and its connector, the protection against dust and water at an interface opened and closed every shift, the swap time measured from shutdown to the drive system being ready again, the swap frequency the system has to sustain, the safety requirements, and the test record. First edition, under the China Machinery Industry Federation, with the safety standard GB/T 45929-2025. In force from 1 January 2026. Issued on 30 June 2025, it has been in force since 1 January 2026.

Document preview — GB/T 45926-2025

National Standard of the People's Republic of China

ICS: 53.100
Classification: P 97

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

PrefaceIII
1 Scope1
2 Normative references1
3 Terms and Definitions1
4 Technical Requirements3
5 Test methods5
Appendix A (Informative) Airborne Battery Swapping System Test Record Sheet8
Reference10

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the China Machinery Industry Federation.

This document is under the jurisdiction of the National Technical Committee for Standardization of Earthmoving Machinery (SAC/TC334).

This document was drafted by: Guangxi Liugong Machinery Co., Ltd., Shandong Lingong Engineering Machinery Co., Ltd., Jiangsu Xugong Engineering Machinery Research Institute Research Institute Co., Ltd., Shanghai Qiyuanxin Power Technology Co., Ltd., Xiamen Yulong Machinery Co., Ltd., Xiamen XGMA Machinery Co., Ltd., Tianjin Engineering Machinery Research Institute Co., Ltd., Wuhan Hezhi Digital Energy Technology Co., Ltd., Liuzhou Liugong Excavator Co., Ltd., Liugong Changzhou Machinery Co., Ltd., Guangxi University, Kaibo Easy Control Vehicle Technology (Suzhou) Co., Ltd., Xuzhou XCMG New Energy Power Technology Co., Ltd., Suzhou Xiangcheng Testing Co., Ltd., Beijing Institute of Technology, Contemporary Amperex Technology Co., Ltd., China Machinery Science and Technology (Beijing) Vehicle Testing Engineering Research Institute Co., Ltd., Shanxi Taizhong Engineering Machinery Co., Ltd., Sunward Intelligent Equipment Co., Ltd., Zhejiang Futuo Energy Technology Co., Ltd.

Technology Co., Ltd., Sichuan-Tibet Railway Technology Innovation Center Co., Ltd., and Shandong Hi-Speed Engineering Equipment Co., Ltd.

The main drafters of this document are: Wu Weilin, Zhang Jian, Zhu Feng, Luo Haoliang, Wu Qihong, Lin Bingfeng, Wu Hongli, Liu Xiaowei, Qin Minzhen, Guo Weifu, Peng Xingde, Lu Zhonghua, Wang Sai, Sun Qiao, Zhang Qiang, Si Faku, Li Jun, Qiao Xiaojun, Hao Peng, Xu Lianbin, Zhang Fan, Rong Xing, Li Jianhua, Wang Shuo, He Deqiang, Fang Qinghua and Xiong Bin.

Battery replacement system for pure electric hydraulic excavators of earthmoving machinery General requirements

1 Scope

This document specifies the general requirements, battery replacement frequency requirements and safety requirements for pure electric hydraulic excavator battery replacement systems, and describes the corresponding test Test method.

This document is applicable to the design and manufacture of battery replacement systems for pure electric hydraulic excavators that use battery replacement equipment or human-assisted battery replacement.

For pure electric hydraulic excavators that use pure manual battery replacement, the battery replacement systems of other electric earth-moving machinery can be used for reference.

2 Normative references

GB/T 30038

GB/T 32879-2025

GB/T 36693-2018

GB/T 44254

GB/T 44255-2024

GB/T 45046-2024

GB/T 45049-2024

3 Terms and Definitions

The terms and definitions defined in GB/T 44254 and the following apply to this document.

3.1

An electric hydraulic excavator whose operating energy is provided in whole or in part by a replaceable onboard rechargeable energy storage system.

3.2 battery swap

The process of replenishing the power of a pure electric hydraulic excavator is achieved by replacing the onboard rechargeable energy storage system with battery replacement equipment or human assistance.

[Source. GB/T 40032-2021, 3.1, with modifications]

3.3 Battery swap time batteryswaptime

From the shutdown of the battery-swap pure electric hydraulic excavator, the deployment of battery-swap equipment and personnel, to the completion of the battery-swap pure electric hydraulic excavator replacement The time it takes to replace the battery assembly and reach the electric drive system ready state.

3.4

A system on the fuselage composed of components related to battery replacement operations or battery replacement functions.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 30038 · GB/T 36693-2018

Editions of GB/T 45926

Edition	Title	Revision	Status
GB/T 45926-2025	Earth-moving machinery - Battery swap system of electric hydraulic excavators - General requirements	current edition	Current

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