GB/T 25020.1-2025 电气化铁路接触网支柱 第1部分：钢支柱

ICS29.280

CCSS82

中华人民共和国国家标准

GB/T25020.1—2025

代替GB/T25020.1—2010，GB/T25020.3—2016，GB/T25020.4—2016

电气化铁路接触网支柱

第1部分：钢支柱

Poleforoverheadcontactsystemofelectrifiedrailways—

Part1：Steelpole

2025⁃01⁃24发布2025⁃08⁃01实施

国家市场监督管理总局

国家标准化管理委员会发布

GB/T25020.1—2025

目次

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

引言··························································································································Ⅴ

1范围·······················································································································1

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

3术语和定义··············································································································2

4分类与表示方法········································································································2

4.1分类·················································································································2

4.2表示方法···········································································································3

5技术要求·················································································································3

5.1一般要求···········································································································3

5.2材料·················································································································4

5.3制造要求···········································································································4

5.4外形尺寸偏差·····································································································5

5.5结构性能···········································································································6

6试验方法·················································································································7

6.1外形尺寸···········································································································7

6.2镀层·················································································································7

6.3结构性能···········································································································7

7检验规则·················································································································7

7.1检验分类···········································································································7

7.2出厂检验···········································································································7

7.3型式检验···········································································································8

8标志与产品合格证···································································································10

9储存及运输············································································································10

附录A（规范性）支柱外形尺寸及检验弯矩······································································11

附录B（规范性）支柱结构性能试验方法·········································································22

Ⅰ

GB/T25020.1—2025

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

定起草。

本文件是GB/T25020《电气化铁路接触网支柱》的第1部分。GB/T25020已经发布了以下部分：

——第1部分：钢支柱。

本文件代替GB/T25020.1—2010《电气化铁路接触网钢支柱第1部分：格构式支柱》、

GB/T25020.3—2016《电气化铁路接触网钢支柱第3部分：环形钢管支柱》和GB/T25020.4—2016

《电气化铁路接触网钢支柱第4部分：H形支柱》，本文件合并修订GB/T25020.1—2010、

GB/T25020.3—2016和GB/T25020.4—2016，与上述文件相比，除结构调整和编辑性改动外，主要技

术变化如下：

a）增加了钢板的技术要求（见5.2.1.2）；

b）增加了角钢的技术要求（见5.2.1.3）；

c）增加了H型钢的技术要求（见5.2.1.4）；

d）更改了钢材剪切下料的环境温度要求（见5.3.2.5，GB/T25020.1—2010的5.3.1.2，

GB/T25020.3—2016的5.3.2.2，GB/T25020.4—2016的5.3.2.3）；

e）更改了镀层表面质量的技术要求（见5.3.5.1，GB/T25020.1—2010的5.4.2.1，GB/T25020.3—

2016的5.5.1，GB/T25020.4—2016的5.4.1.2）；

f）更改了镀层厚度的技术要求（见表1，GB/T25020.1—2010的5.4.4.1，GB/T25020.3—2016

的5.4.3，GB/T25020.4—2016的5.4.1.5）；

g）更改了构件的外形尺寸技术要求（见表2、表3、表4，GB/T25020.1—2010的表3，GB/T25020.3—

2016的表3，GB/T25020.4—2016的表3）；

h）更改了出厂检验批量的要求（见7.2.3，GB/T25020.1—2010的7.1.2，GB/T25020.3—2016

的7.1.2，GB/T25020.4—2016的7.1.2）；

i）更改了合格性判定方法（见7.2.4，7.3.4，GB/T25020.1—2010的7.1.4、7.2.4，GB/T25020.3—

2016的7.1.4、7.2.4，GB/T25020.4—2016的7.1.4、7.2.4）

j）更改了型式检验条件的要求（见7.3.1，GB/T25020.1—2010的7.2.1，GB/T25020.3—2016

的7.2.1，GB/T25020.4—2016的7.2.1）；

k）更改了格构式支柱的型号（见表A.1，GB/T25020.1—2010的4.1）；

l）增加了格构式支柱的平行线路方向承载力检验弯矩的要求（见表A.2）；

m）更改了H形支柱的型号（见表A.4，GB/T25020.4—2016的4.1）；

n）删除了锥形钢管支柱类型（见GB/T25020.3—2016的表2）；

o）删除了涂料涂装要求（见GB/T25020.3—2016的5.4.6，GB/T25020.4—2016的5.4.2）。

请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

本文件由全国轨道交通电气设备与系统标准化技术委员会（SAC/TC278）提出并归口。

本文件起草单位：中国铁道科学研究院集团有限公司铁道建筑研究所、中铁电气化局集团有限公

司、中铁电气化勘测设计研究院有限公司、中铁电工保定制品有限公司、中国铁路设计集团有限公司、

中铁检验认证中心有限公司。

本文件主要起草人：仲新华、苏婉玉、孙明新、周启斌、刘峰涛、徐伟超、张曼华、邢彤、渠亚男、

胡会良、王家赫。

Ⅲ

GB/T25020.1—2025

本文件及其所代替文件的历次版本发布情况为：

——GB/T25020.1—2010；

——GB/T25020.3—2010，2016年第一次修订；

——GB/T25020.4—2010，2016年第一次修订。

Ⅳ

GB/T25020.1—2025

引言

电气化铁路接触网支柱按材质分为钢支柱和混凝土支柱。为了统一技术要求，增强通用性，

GB/T25020《电气化铁路接触网支柱》给出了接触网支柱的要求及指南，拟由两个部分构成。

——第1部分：钢支柱。目的在于规定电气化铁路接触网钢支柱分类、技术要求、试验方法、检验

规则等。

——第2部分：混凝土支柱。目的在于规定电气化铁路接触网混凝土支柱分类、技术要求、试验方

法、检验规则等。

Ⅴ

GB/T25020.1—2025

电气化铁路接触网支柱

第1部分：钢支柱

1范围

本文件规定了电气化铁路接触网钢支柱的分类与表示方法、技术要求、试验方法、检验规则、标志

与产品合格证、储存及运输。

本文件适用于电气化铁路接触网钢支柱，城市轨道交通采用的同类支柱参照执行。

2规范性引用文件

下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文

件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于

本文件。

GB/T411型六角螺母C级

GB/T95平垫圈C级

GB/T97.1平垫圈A级

GB/T470锌锭

GB/T699优质碳素结构钢

GB/T700碳素结构钢

GB/T706热轧型钢

GB/T709热轧钢板和钢带的尺寸、外形、重量及允许偏差

GB/T711优质碳素结构钢热轧钢板和钢带

GB/T1591低合金高强度结构钢

GB/T2694—2018输电线路铁塔制造技术条件

GB/T3098.1紧固件机械性能螺栓、螺钉和螺柱

GB/T3098.2紧固件机械性能螺母

GB/T3274碳素结构钢和低合金结构钢热轧钢板和钢带

GB/T5117非合金钢及细晶粒钢焊条

GB/T5118热强钢焊条

GB/T5267.3紧固件热浸镀锌层

GB/T5293埋弧焊用非合金钢及细晶粒钢实心焊丝、药芯焊丝和焊丝⁃焊剂组合分类要求

GB/T5780六角头螺栓C级

GB/T5782六角头螺栓

GB/T61701型六角螺母

GB/T8110熔化极气体保护电弧焊用非合金钢及细晶粒钢实心焊丝

GB/T10045非合金钢及细晶粒钢药芯焊丝

GB/T12470埋弧焊用热强钢实心焊丝、药芯焊丝和焊丝⁃焊剂组合分类要求

GB/T13912金属覆盖层钢铁制件热浸镀锌层技术要求及试验方法

GB/T17493热强钢药芯焊丝

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