ICS53.100

CCSP97

中華人民共和國國家標準

GB/T44255—2024

土方機械純電動液壓挖掘機能量

消耗量試驗方法

Earth?movingmachinery—Energyconsumptionforbatteryelectrichydraulic

excavators—Testmethods

2024?07?24發布2024?07?24實施

國家市場監督管理總局

國家標準化管理委員會發布

GB/T44255—2024

目次

前言··························································································································Ⅲ

1范圍·······················································································································1

2規范性引用文件········································································································1

3術語和定義··············································································································1

4試驗條件·················································································································1

5能量消耗量的測量方法·······························································································2

6試驗方法·················································································································3

7續航能力評估···········································································································7

8作業效率評估···········································································································8

9能量效率評價···········································································································8

附錄A（資料性）試驗記錄表························································································10

圖1使用電壓計和電流計對動力電池的能量消耗進行測量的方法示例·····································3

圖290°回轉挖掘裝載作業示意圖····················································································5

圖3平地作業試驗示意圖······························································································6

表1測量參數和準確度·································································································2

表2挖掘裝載作業參數·································································································4

表3平地距離·············································································································6

表A.1電動挖掘機充電試驗記錄表················································································10

表A.2電動挖掘機挖掘裝載作業試驗能量消耗量記錄表·····················································10

表A.3電動挖掘機平地作業試驗能量消耗量記錄表···························································10

表A.4電動挖掘機行走試驗能量消耗量記錄表·································································11

表A.5電動挖掘機待機試驗能量消耗量記錄表·································································11

Ⅰ

GB/T44255—2024

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規則》的規

定起草。

請注意本文件的某些內容可能涉及專利。本文件的發布機構不承擔識別專利的責任。

本文件由中國機械工業聯合會提出。

本文件由全國土方機械標準化技術委員會（SAC/TC334）歸口。

本文件起草單位：柳州柳工挖掘機有限公司、徐州徐工挖掘機械有限公司、山東臨工工程機械有限

公司、中聯重科土方機械有限公司、三一重機有限公司、國機重工集團常林有限公司、福建晉工機械有

限公司、天津工程機械研究院有限公司、力士德工程機械股份有限公司、廈門廈工機械股份有限公司、

江蘇徐工國重實驗室科技有限公司、中鐵八局集團電務工程有限公司、太重集團（上海）裝備技術有限

公司、江蘇天煤機電科技有限公司、天津工程機械研究院有限公司檢測技術服務分公司。

本文件主要起草人：劉曉強、劉躍吉、劉淑強、吳元峰、崔會喜、張亞軍、呂志忠、吳紅麗、高公如、

陳先武、劉建、晏貴章、尹滿義、馮俊偉、王姜驊、張少波、孫寬、張曉輝。

Ⅲ

GB/T44255—2024

土方機械純電動液壓挖掘機能量

消耗量試驗方法

1范圍

本文件規定了純電動液壓挖掘機能量消耗量的試驗條件，描述了能量消耗量的試驗方法，以及純

電動液壓挖掘機的續航能力評估、作業效率評估和能量效率評價的方法。

本文件適用于在工作過程中采用機載動力電池（最大工作電壓為B級電壓）作為唯一動力源，工作

質量不大于50000kg的純電動液壓挖掘機的測試，大于50000kg的純電動液壓挖掘機參照執行。

2規范性引用文件

下列文件中的內容通過文中的規范性引用而構成本文件必不可少的條款。其中，注日期的引用文

件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用于

本文件。

GB/T6572土方機械液壓挖掘機術語和商業規格

GB/T21153土方機械尺寸、性能和參數的單位與測量準確度

GB/T36695土方機械液壓挖掘機燃油消耗量試驗方法

GB/T44254電動土方機械術語

3術語和定義

GB/T6572和GB/T44254界定的以及下列術語和定義適用于本文件。

3.1

續航能力allelectricworkingtime

純電動液壓挖掘機在動力電池完全充電狀態下，以規定的條件和方法進行試驗，計算得到的最長

工作時間。

注：單位為小時（h）。

4試驗條件

4.1試驗環境

試驗環境應滿足下列條件：

——環境溫度：5℃~35℃；

——相對濕度：小