一种变力弹簧吊架运行状态监测方法
By using a laser rangefinder and computer-aided program to monitor the Z-axis thermal displacement, working load, and rod skew angle of the variable force spring hanger, the accuracy and timeliness issues of manual inspection in existing technologies are solved, and efficient hanger condition monitoring is achieved.
CN115791120BActive Publication Date: 2026-07-17HUADIAN ELECTRIC POWER SCI INST CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HUADIAN ELECTRIC POWER SCI INST CO LTD
- Filing Date
- 2022-11-16
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
The existing inspection methods for variable force spring hangers rely on manual visual inspection, which has problems such as poor accuracy, many site limitations, and inability to detect faults in a timely manner.
Method used
A laser rangefinder and data acquisition device, combined with a computer-aided program, are used to monitor the Z-axis thermal displacement, working load, and rod skew angle of the hanger in real time. The operating status of the hanger is analyzed through formula calculations and graphs.
Benefits of technology
It achieves high-precision, real-time monitoring of the hanger status, reduces errors, can detect anomalies in a timely manner, and is suitable for complex site environments.
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Figure CN115791120B_ABST
Abstract
本发明公开了一种变力弹簧吊架运行状态监测方法，属于管道支吊架检验检测范畴，包括以下步骤：步骤1：记录弹簧吊架铭牌上冷态标识对应的荷载值及热态标识对应的荷载值，测量并记录冷态、热态标识之间的高度差，根据公式计算出弹簧的实际刚度值；步骤2：在蒸汽管道吊点与弹簧吊架的销轴连接处安装两组激光测距仪，其中，激光测距仪A可绕销轴自由转动，增加尾部配重确保激光测距仪A能在自身重力的作用下始终保持垂直，激光测距仪B平行固定在弹簧吊架吊杆上；步骤3：使用数据采集器实时采集两组激光测距仪的测量数据，借助计算机辅助程序对采集的数据进行处理，进而实现对弹簧吊架的运行状态进行动态监测的目的。
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