数据驱动的混凝土泵车臂架疲劳载荷谱编制

doi:10.3969/j.issn.1004-132X.2024.10.018

中国机械工程 ›› 2024, Vol. 35 ›› Issue (10): 1881-1889.DOI: 10.3969/j.issn.1004-132X.2024.10.018

数据驱动的混凝土泵车臂架疲劳载荷谱编制

李鹏^1,2,3,4;王一棠^1,4;王佳茜^2,3;周佩泉^2,3;杨亮亮^1,4;宋学官^1,4;郑跃滨^5,6

1.大连理工大学机械工程学院，大连，116000
2.起重机械关键技术全国重点实验室，长沙，410013
3.中联重科股份有限公司，长沙，410013
4.高性能精密制造全国重点实验室，大连，116000
5.松山湖材料实验室，东莞，523808
6.中国科学院物理研究所，北京，100190

出版日期:2024-10-25 发布日期:2024-11-13
作者简介:李鹏，男，1989年生，博士研究生。研究方向为结构振动、结构疲劳、结构轻量化。E-mail：55131668@qq.com。
基金资助:
湖南省自然科学基金（2023JJ40688）；中联重科股份有限公司基金（HX20230163）

Data-driven Fatigue Load Spectrum Compiling of Concrete Pump Truck Booms#br#

LI Peng^1,2,3,4;WANG Yitang^1,4;WANG Jiaqian^2,3;ZHOU Peiquan^2,3;YANG Liangliang^1,4;SONG Xueguan^1,4;ZHENG Yuebin^5,6

1.School of Mechanical Engineering,Dalian University of Technology,Dalian，Liaoning，116000
2.National Key Laboratory of Hoisting Machinery Key Technology,Changsha，410013
3.Zoomlion Heavy Industry Science & Technology Co.,Ltd.,Changsha，410013
4.State Key Laboratory of High-performance Precision Manufacturing,Dalian，Liaoning，116000
5.Songshan Lake Materials Laboratory,Dongguan，Guangdong，523808
6.Institute of Physics,Chinese Academy of Sciences,Beijing，100190

Online:2024-10-25 Published:2024-11-13

摘要/Abstract

摘要： 为对混凝土泵车进行疲劳分析，利用大数据分析技术，提出了一种数据驱动的混凝土泵车臂架疲劳载荷谱编制方法。通过分析臂架倾角和夹角定义了混凝土泵车典型作业姿态。根据所选取的典型作业姿态进行载荷信息采集，并对采集到的原始信号进行了数据预处理，以提高数据质量，令之后的疲劳载荷谱编制更具可靠性。采用参数法对测试载荷谱的幅值分布进行了参数估计和外推，以获得全寿命周期下的载荷谱，并用强化后载荷谱进行了疲劳验证。通过对300多台某型号混凝土泵车所采集到的大量数据进行试验验证了所提方法的可靠性和工程实用性。该研究成果为混凝土泵车多关节臂架结构疲劳载荷谱编制提供了参考。

关键词: 混凝土泵车, 臂架结构, 载荷谱, 疲劳试验

Abstract: In order to analyze the fatigue of concrete pump trucks, a data-driven method of compiling fatigue load spectra for concrete pump truck booms was proposed by utilizing big data analysis technology. The typical operating posture of concrete pump trucks was defined by analyzing the angle of boom inclination and pinch angle. Then, load information was collected according to the selected typical operating posture, and data pre-processing was performed on the collected raw signals to improve the data quality and make the fatigue load spectrum more reliable afterwards. A parametric method was used to estimate and extrapolate the amplitude distribution of the tested load spectra to obtain the load spectra under the whole life cycle, and the load spectra were strengthened for fatigue verification. The reliability and engineering practicability of the proposed method were verified by conducting tests on a large amount of data collected from 300 pump trucks of a certain model. The results provide some references for the fatigue load spectrum preparation of the multi-joint boom structure of concrete pump trucks.

Key words: concrete pump truck, boom structure, load spectrum, fatigue test

中图分类号:

TH39

李鹏1, 2, 3, 4, 王一棠1, 4, 王佳茜2, 3, 周佩泉2, 3, 杨亮亮1, 4, 宋学官1, 4, 郑跃滨5, 6. 数据驱动的混凝土泵车臂架疲劳载荷谱编制[J]. 中国机械工程, 2024, 35(10): 1881-1889.

LI Peng1, 2, 3, 4, WANG Yitang1, 4, WANG Jiaqian2, 3, ZHOU Peiquan2, 3, YANG Liangliang1, 4, SONG Xueguan1, 4, ZHENG Yuebin5, 6. Data-driven Fatigue Load Spectrum Compiling of Concrete Pump Truck Booms#br#[J]. China Mechanical Engineering, 2024, 35(10): 1881-1889.

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链接本文: http://www.cmemo.org.cn/CN/10.3969/j.issn.1004-132X.2024.10.018

http://www.cmemo.org.cn/CN/Y2024/V35/I10/1881

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数据驱动的混凝土泵车臂架疲劳载荷谱编制

Data-driven Fatigue Load Spectrum Compiling of Concrete Pump Truck Booms#br#

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