GB/T 5974-2025 起重机械 钢丝绳用套环

ICS53.020.30

CCSJ80

中华人民共和国国家标准

GB/T5974—2025

代替GB/T5974.1—2006，GB/T5974.2—2006

起重机械钢丝绳用套环

Liftingappliances—Thimblesforsteelwireropes

2025⁃05⁃30发布2025⁃12⁃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/T5974—2025

目次

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

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

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

3术语和定义··············································································································1

4型式和基本尺寸········································································································1

5技术要求·················································································································6

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

7检验规则·················································································································8

8标志、包装、运输和贮存·······························································································9

参考文献····················································································································10

图1普通套环结构型式示意图························································································3

图2重型套环结构型式示意图························································································5

表1普通套环尺寸表····································································································2

表2重型套环尺寸表····································································································3

表3套环的材料··········································································································6

表4承载能力试验·······································································································7

表5检验项目·············································································································8

表6抽样数量·············································································································8

Ⅰ

GB/T5974—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。

本文件代替GB/T5974.1—2006《钢丝绳用普通套环》和GB/T5974.2—2006《钢丝绳用重型套

环》，与GB/T5974.1—2006和GB/T5974.2—2006相比，除结构调整和编辑性改动外，主要技术变化

如下：

——增加了术语和定义（见第3章）；

——增加了套环的型式分类（见4.1）；

——更改了普通套环和重型套环的型号表示方法（见4.3，GB/T5974.1—2006的3.2和GB/T5974.2—

2006的3.2）；

——更改了重型套环的材料适用规格（见表3，GB/T5974.2—2006的表2）；

——更改了重型套环的承载能力（见5.2.2，GB/T5974.2—2006的4.4）；

——增加了重型套环的疲劳性能（见5.3）；

——增加了重型套环的无损检测要求（见5.5）；

——增加了套环承载能力试验的试验机要求（见6.3.1）；

——增加了重型套环的疲劳试验（见6.4）；

——增加了重型套环的无损检测方法（见6.5）；

——增加了套环的检验分类（见7.1）；

增加了套环的检验项目（见表5）；

——

——更改了套环出厂检验的抽样方法和判定原则（见7.2.2，GB/T5974.1—2006的表3和GB/T5974.2—

2006的表3）；

——增加了套环的型式检验（见7.3）。

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。

本文件由中国机械工业联合会提出。

本文件由全国起重机械标准化技术委员会（SAC/TC227）归口。

本文件起草单位：太原重工股份有限公司、北京起重运输机械设计研究院有限公司、北京科正平工

程技术检测研究院有限公司、贵州钢绳股份有限公司、河南卫华重型机械股份有限公司、浙江中建路桥

设备有限公司、巨力索具股份有限公司、深圳赤湾胜宝旺工程有限公司、山东陆海装备集团烟台有限

公司。

本文件主要起草人：李军、周继红、张培、焦志强、陶天华、李永亮、胡锦、张印、崔鹏、孟林、顾翠云、

李瑞斌、童巨苍、朱立平、蒋军、于龙春。

本文件及其所代替文件的历次版本发布情况为：

——GB/T5974.1，1986年首次发布，2006年第一次修订；

——GB/T5974.2，1986年首次发布，2006年第一次修订；

——本次为第二次修订。

Ⅲ

GB/T5974—2025

起重机械钢丝绳用套环

1范围

本文件规定了起重机械钢丝绳用套环的型式和基本尺寸、技术要求、试验方法及检验规则、标志、

包装、运输和贮存。

本文件适用于GB/T8918、GB/T20118规定的圆股钢丝绳用套环。其他钢丝绳用套环参照

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/T699—2015优质碳素结构钢

GB/T700—2006碳素结构钢

GB/T1348—2019球墨铸铁件

GB/T8706钢丝绳术语、标记和分类

GB/T9440—2010可锻铸铁件

GB/T11352—2009一般工程用铸造碳钢件

GB/T13384机电产品包装通用技术条件

GB/T13825金属覆盖层黑色金属材料热镀锌层单位面积质量称量法

GB/T16825.1金属材料静力单轴试验机的检验与校准第1部分：拉力和（或）压力试验机

测力系统的检验与校准

GB/T17107—1997锻件用结构钢牌号和力学性能

GB/T37400.14重型机械通用技术条件第14部分：铸钢件无损探伤

GB/T37400.15重型机械通用技术条件第15部分：锻钢件无损探伤

3术语和定义

GB/T8706界定的以及下列术语和定义适用于本文件。

3.1

套环公称规格nominalthimblesize

套环所适用的最大的钢丝绳公称直径（d）。

4型式和基本尺寸

4.1型式分类

根据钢丝绳用套环（以下简称“套环”）适用的钢丝绳抗拉强度，分为普通套环和重型套环。

普通套环适用抗拉强度不大于1770MPa的钢丝绳，代号为GT。

1

GB/T5974—2025

重型套环适用抗拉强度不大于1960MPa的钢丝绳，代号为HT。

注：普通套环一般适用于工作级别M5以下的起重机械。

4.2基本尺寸

普通套环的基本尺寸应符合表1的规定，典型结构示意图见图1。

重型套环的基本尺寸应符合表2的规定，典型结构示意图见图2。

表1普通套环尺寸表

尺寸

mm

套环公套环厚度内孔直径内孔长度绳槽绳槽的槽底壁厚单件参

称规格CAD高度K考质量

绳槽宽度

d的最kg

F

基本极限基本极限基本极限小值基本极限

尺寸偏差尺寸偏差尺寸偏差尺寸偏差