T/CAMS 172-2023 高转速叶片 故障诊断方法

ICS25.040

CCSN19

团体标准

T/CAMS172—2023

高转速叶片故障诊断方法

HighRPMblade—Faultdiagnosismethod

2023-09-25发布2023-11-01实施

中国机械工业标准化技术协会发布

T/CAMS172—2023

目次

前言·····························································································································II

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

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

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

4概述··························································································································1

5故障判据····················································································································2

6故障诊断前的准备·······································································································3

6.1数据采集···············································································································3

6.2现场信息获取·········································································································3

7故障诊断方法··············································································································3

7.1状态监测···············································································································3

7.2通用故障诊断方法···································································································3

7.3基于故障模式的故障诊断方法····················································································4

8结果记录与报告··········································································································6

8.1记录·····················································································································6

8.2报告·····················································································································6

附录A（资料性）基于故障模式的故障诊断方法示例（部分）················································7

A.1叶片裂纹故障诊断示例···························································································7

A.2叶片碰磨故障诊断示例···························································································8

A.3叶冠磨损故障诊断示例···························································································9

A.4叶片喘振故障诊断示例·························································································10

图1高转速设备故障诊断流程图························································································2

图2叶端定时采样原理····································································································4

图3叶片冲击振动响应····································································································5

图A.1预置损伤·············································································································7

图A.2叶片模态振型及固有频率························································································7

图A.3阻尼比=0.01碰磨状态下不同转速叶尖位移响应···························································8

图A.4不同阻尼比碰磨状态下不同转速叶尖位移响应·····························································8

图A.5碰磨信号BTT采样仿真··························································································8

图A.6叶片匀速碰磨信号·································································································9

图A.7仿真信号碰磨区频谱······························································································9

图A.8带冠叶片升速时不同间隙的振动响应·······································································10

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T/CAMS172—2023

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