DYNAMIC SIMULATION STUDY ON WEAR FAILURE OF RECIPROCATING COMPRESSOR SMALL END BUSHING

SHI QuanJu; MA Bo; ZHANG Hai; QI LiangCai

doi:10.16579/j.issn.1001.9669.2019.06.002

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DYNAMIC SIMULATION STUDY ON WEAR FAILURE OF RECIPROCATING COMPRESSOR SMALL END BUSHING

更新时间：2022-09-22

- DYNAMIC SIMULATION STUDY ON WEAR FAILURE OF RECIPROCATING COMPRESSOR SMALL END BUSHING
- Journal of Mechanical Strength Vol. 41, Issue 6, Pages: 1278-1285(2019)
- 作者机构：
  
  1. 北京化工大学机电工程学院
  2. 中国石油天然气股份有限公司大连石化分公司
  3. 中广核研究院有限公司北京分公司
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2019.06.002
  CLC：
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SHI QuanJu, MA Bo, ZHANG Hai, et al. DYNAMIC SIMULATION STUDY ON WEAR FAILURE OF RECIPROCATING COMPRESSOR SMALL END BUSHING. [J]. 41(6):1278-1285(2019)
DOI：

SHI QuanJu, MA Bo, ZHANG Hai, et al. DYNAMIC SIMULATION STUDY ON WEAR FAILURE OF RECIPROCATING COMPRESSOR SMALL END BUSHING. [J]. 41(6):1278-1285(2019) DOI： 10.16579/j.issn.1001.9669.2019.06.002.

摘要

以对置式往复式压缩机为对象,研究建立小头瓦磨损动力学仿真模型,分析小头瓦在磨损故障下的响应规律。采用非线性接触碰撞建模方法,建立小头瓦-十字头销运动副的动力学模型,通过改变小头瓦与十字头销之间间隙,仿真计算小头瓦在不同磨损状态下的接触碰撞参数,分析小头瓦与十字头销、十字头与中体之间接触碰撞力的变化特点,得出小头瓦在磨损故障下的响应规律,指导提取小头瓦在磨损故障下的敏感特征。通过实验验证了仿真研究成果的正确性,为小头瓦磨损故障提供了一种早期预警和诊断方法。

Abstract

Based on the reciprocating compressor,the dynamic response laws of the small end bushing abrasion on the basis of the dynamics simulation model were analyzed. According to the method of non-linear contact collision modeling,the dynamic model of small end bushing-crosshead pin joint was established. By changing the clearance between small end bushing and crosshead pin,the contact-impact parameters under different wear states were simulated and calculated,and features of the contact impact force between small head bushing and crosshead pin were analyzed,also between crosshead and middle body. The response which provides guidance for extracting sensitive characteristics under the wear fault was obtained. The correctness of the simulation results are verified through experiments,which provide an advanced warning and diagnosis method for the wear failure of small end bushing.

关键词

小头瓦磨损动力仿真往复压缩机故障预警

Keywords

Small end bushing wearDynamic simulationReciprocating compressorFault warning

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