標準解讀

GB/T 44258-2024 是一項針對土方機械中高原隧道用純電動輪胎式裝載機的國家標準。該標準詳細規(guī)定了此類裝載機的技術(shù)要求、試驗方法、檢驗規(guī)則以及標志、包裝、運輸和貯存要求,旨在確保設(shè)備在高海拔、復(fù)雜隧道環(huán)境下的安全、可靠與高效運作。具體要點包括:

  1. 適用范圍:明確了本標準適用于工作海拔高度達到或超過2000米,專用于高原隧道施工的純電動輪胎式裝載機。這類裝載機以電池為動力源,設(shè)計需考慮高海拔環(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、電池組及管理系統(tǒng)的技術(shù)指標,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:強調(diào)了設(shè)備在運行過程中的低噪音、零排放特性,并對操作安全、緊急制動系統(tǒng)、防翻滾保護等方面做出規(guī)定。
  3. 試驗方法:詳細說明了如何進行各項性能測試,包括但不限于電動系統(tǒng)的耐久性試驗、高原環(huán)境適應(yīng)性試驗、裝載能力驗證等,確保產(chǎn)品符合設(shè)計要求。

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

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

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


如需獲取更多詳盡信息,請直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標準文檔。

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ICS53.100

CCSP97

中華人民共和國國家標準

GB/T44258—2024

土方機械高原隧道用純電動

輪胎式裝載機

Earth?movingmachinery—Batteryelectricwheelloadersforplateautunnels

2024?07?24發(fā)布2024?07?24實施

國家市場監(jiān)督管理總局

國家標準化管理委員會發(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試驗方法·················································································································6

7檢驗規(guī)則···············································································································12

8標志、包裝、運輸和貯存·····························································································15

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

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

參考文獻····················································································································20

圖1高壓警告標記·······································································································5

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

表1電動裝載機其他性能試驗方法················································································10

表2失效分類及評定準則····························································································12

表3裝載機檢驗項目和檢驗類別···················································································13

表A.1電動裝載機主要參數(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

GB/T44258—2024

前言

本文件按照GB/T1.1—2020《標準化工作導(dǎo)則第1部分:標準化文件的結(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)布機構(gòu)不承擔識別專利的責任。

本文件由中國機械工業(yè)聯(lián)合會提出。

本文件由全國土方機械標準化技術(shù)委員會(SAC/TC334)歸口。

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

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

司、江蘇徐工國重實驗室科技有限公司、中鐵五局集團第一工程有限責任公司、中鐵十四局集團有限公

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、郭鳳艷。

GB/T44258—2024

土方機械高原隧道用純電動

輪胎式裝載機

1范圍

本文件規(guī)定了高原隧道用純電動輪胎式裝載機的參數(shù)、要求、檢驗規(guī)則、標志、包裝、運輸和貯存,

描述了相應(yīng)的試驗方法。

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

最大工作電壓為B級電壓的輪胎式裝載機的制造和檢測。

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。

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

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GB/T8499土方機械測定重心位置的方法

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GB/T8595土方機械司機的操縱裝置

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荷計算值的測試方法

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

測試方法

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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)電機通用安全要求

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GB/T16937土方機械司機視野試驗方法和性能準則

GB/T17771土方機械落物保護結(jié)構(gòu)試驗室試驗和性能要求

GB/T17921土方機械座椅安全帶及其固定器性能要求和試驗

GB/T17922土方機械滾翻保護結(jié)構(gòu)實驗室試驗和性能要求

GB18384—2020電動汽車安全要求

GB/T18488電動汽車用驅(qū)動電機系統(tǒng)

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

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