標(biāo)準(zhǔn)解讀

GB/T 44258-2024 是一項(xiàng)針對土方機(jī)械中高原隧道用純電動輪胎式裝載機(jī)的國家標(biāo)準(zhǔn)。該標(biāo)準(zhǔn)詳細(xì)規(guī)定了此類裝載機(jī)的技術(shù)要求、試驗(yàn)方法、檢驗(yàn)規(guī)則以及標(biāo)志、包裝、運(yùn)輸和貯存要求，旨在確保設(shè)備在高海拔、復(fù)雜隧道環(huán)境下的安全、可靠與高效運(yùn)作。具體要點(diǎn)包括：

  1. 適用范圍：明確了本標(biāo)準(zhǔn)適用于工作海拔高度達(dá)到或超過2000米，專用于高原隧道施工的純電動輪胎式裝載機(jī)。這類裝載機(jī)以電池為動力源，設(shè)計(jì)需考慮高海拔環(huán)境下氧氣稀薄對電氣系統(tǒng)性能的影響。

  2. 技術(shù)要求：

    • 電動系統(tǒng)：規(guī)定了電動機(jī)、電池組及管理系統(tǒng)的技術(shù)指標(biāo)，如續(xù)航能力、充電效率、電池溫控系統(tǒng)等，確保在低溫、低氣壓條件下仍能穩(wěn)定輸出動力。
    • 輪胎與底盤：考慮到高原地形的特殊性，對輪胎的耐磨性、抓地力及底盤的穩(wěn)定性、通過性提出了更高要求。
    • 環(huán)保與安全：強(qiáng)調(diào)了設(shè)備在運(yùn)行過程中的低噪音、零排放特性，并對操作安全、緊急制動系統(tǒng)、防翻滾保護(hù)等方面做出規(guī)定。

  3. 試驗(yàn)方法：詳細(xì)說明了如何進(jìn)行各項(xiàng)性能測試，包括但不限于電動系統(tǒng)的耐久性試驗(yàn)、高原環(huán)境適應(yīng)性試驗(yàn)、裝載能力驗(yàn)證等，確保產(chǎn)品符合設(shè)計(jì)要求。

  4. 檢驗(yàn)規(guī)則：制定了產(chǎn)品出廠前的檢驗(yàn)流程與標(biāo)準(zhǔn)，包括型式試驗(yàn)、出廠檢驗(yàn)等內(nèi)容，確保每臺設(shè)備在交付前都經(jīng)過嚴(yán)格的質(zhì)量控制。

  5. 標(biāo)志、包裝、運(yùn)輸和貯存：規(guī)范了裝載機(jī)的標(biāo)識信息、包裝方式以及在運(yùn)輸和貯存過程中的注意事項(xiàng)，以防在高海拔運(yùn)輸過程中因外界條件影響設(shè)備性能。

該標(biāo)準(zhǔn)的實(shí)施，為高原隧道施工中純電動輪胎式裝載機(jī)的設(shè)計(jì)制造提供了統(tǒng)一規(guī)范，有助于提升設(shè)備的整體性能和安全性，促進(jìn)新能源土方機(jī)械在高海拔地區(qū)的應(yīng)用與發(fā)展。


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文檔簡介

ICS53.100

CCSP97

中華人民共和國國家標(biāo)準(zhǔn)

GB/T44258—2024

土方機(jī)械高原隧道用純電動

輪胎式裝載機(jī)

Earth?movingmachinery—Batteryelectricwheelloadersforplateautunnels

2024?07?24發(fā)布2024?07?24實(shí)施

國家市場監(jiān)督管理總局

國家標(biāo)準(zhǔn)化管理委員會發(fā)布

GB/T44258—2024

目次

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

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

2規(guī)范性引用文件········································································································1

3術(shù)語和定義··············································································································3

4參數(shù)·······················································································································3

5要求·······················································································································3

6試驗(yàn)方法·················································································································6

7檢驗(yàn)規(guī)則···············································································································12

8標(biāo)志、包裝、運(yùn)輸和貯存·····························································································15

附錄A（資料性）電動裝載機(jī)主要參數(shù)············································································16

附錄B（資料性）電動裝載機(jī)測試記錄············································································18

參考文獻(xiàn)····················································································································20

圖1高壓警告標(biāo)記·······································································································5

圖2作業(yè)場地示意圖····································································································8

表1電動裝載機(jī)其他性能試驗(yàn)方法················································································10

表2失效分類及評定準(zhǔn)則····························································································12

表3裝載機(jī)檢驗(yàn)項(xiàng)目和檢驗(yàn)類別···················································································13

表A.1電動裝載機(jī)主要參數(shù)表······················································································16

表B.1作業(yè)性能測試記錄表··························································································18

表B.2綜合熱平衡測試記錄表·······················································································19

Ⅰ

GB/T44258—2024

前言

本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)

定起草。

請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識別專利的責(zé)任。

本文件由中國機(jī)械工業(yè)聯(lián)合會提出。

本文件由全國土方機(jī)械標(biāo)準(zhǔn)化技術(shù)委員會（SAC/TC334）歸口。

本文件起草單位：廣西柳工機(jī)械股份有限公司、天津工程機(jī)械研究院有限公司、徐州市檢驗(yàn)檢測中

心、廈門廈工機(jī)械股份有限公司、博雷頓科技股份公司、徐州美馳車橋有限公司、雷沃重工集團(tuán)有限公

司、江蘇徐工國重實(shí)驗(yàn)室科技有限公司、中鐵五局集團(tuán)第一工程有限責(zé)任公司、中鐵十四局集團(tuán)有限公

司、中鐵工程服務(wù)有限公司。

本文件主要起草人：曾光安、陳樹巧、孫峰、王少波、陳自生、劉海軍、張亮、任良才、林映、陳健、

梅元元、張強(qiáng)、郭鳳艷。

Ⅲ

GB/T44258—2024

土方機(jī)械高原隧道用純電動

輪胎式裝載機(jī)

1范圍

本文件規(guī)定了高原隧道用純電動輪胎式裝載機(jī)的參數(shù)、要求、檢驗(yàn)規(guī)則、標(biāo)志、包裝、運(yùn)輸和貯存，

描述了相應(yīng)的試驗(yàn)方法。

本文件適用于高原環(huán)境隧道工況使用的運(yùn)行能量完全由機(jī)載可充電儲能系統(tǒng)提供，由電機(jī)驅(qū)動的

最大工作電壓為B級電壓的輪胎式裝載機(jī)的制造和檢測。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)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(yīng)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/T4208外殼防護(hù)等級（IP代碼）

GB/T5226.1機(jī)械電氣安全機(jī)械電氣設(shè)備第1部分：通用技術(shù)條件

GB/T6375土方機(jī)械牽引力測試方法

GB/T8419土方機(jī)械司機(jī)座椅振動的試驗(yàn)室評價

GB/T8499土方機(jī)械測定重心位置的方法

GB/T8592土方機(jī)械輪胎式機(jī)器轉(zhuǎn)向尺寸的測定

GB/T8595土方機(jī)械司機(jī)的操縱裝置

GB/T10175.1土方機(jī)械裝載機(jī)和挖掘裝載機(jī)第1部分：額定工作載荷的計(jì)算和驗(yàn)證傾翻載

荷計(jì)算值的測試方法

GB/T10175.2土方機(jī)械裝載機(jī)和挖掘裝載機(jī)第2部分：掘起力和最大提升高度提升能力的

測試方法

GB/T10913土方機(jī)械行駛速度測定

GB/T14039—2002液壓傳動油液固體顆粒污染等級代號

GB/T14711中小型旋轉(zhuǎn)電機(jī)通用安全要求

GB/T16935.1—2023低壓供電系統(tǒng)內(nèi)設(shè)備的絕緣配合第1部分：原理、要求和試驗(yàn)

GB/T16937土方機(jī)械司機(jī)視野試驗(yàn)方法和性能準(zhǔn)則

GB/T17771土方機(jī)械落物保護(hù)結(jié)構(gòu)試驗(yàn)室試驗(yàn)和性能要求

GB/T17921土方機(jī)械座椅安全帶及其固定器性能要求和試驗(yàn)

GB/T17922土方機(jī)械滾翻保護(hù)結(jié)構(gòu)實(shí)驗(yàn)室試驗(yàn)和性能要求

GB18384—2020電動汽車安全要求

GB/T18488電動汽車用驅(qū)動電機(jī)系統(tǒng)

GB/T18826工業(yè)用1，1，1，2?四氟乙烷（HFC?134a）

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