扇形磨片质量及二维质心测量装置结构设计
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摘要
扇形磨片是造纸和制纤设备的重要部件,其质量和二维质心的准确测量是优化排序安装的前提,决定着安装后设备的平衡效果。通过对相关质心测量方法的研究,结合扇形磨片的结构特点,应用三点支撑测量法设计了一种获取扇形磨片质量和二维质心的测量装置。实验表明,经一次放置可快速方便地测量扇形磨片的质量和二维质心,其质量误差在±3 g之间,二维质心坐标误差在±0. 5 mm之间,达到对设备测量误差的重复性需求。工程应用效果表明,该测量装置大大缩短了扇形磨片的静平衡校正周期,提高了生产效率。
The sector refining plate is an important part of the equipment for papermaking and fiber,the accurate measurement of its mass and 2-dimensional centroid is the precondition of the optimizing arrangement installation,and determines the equilibrium of the equipment after installation. Based on the research of the relevant centroid measurement methods,combining with the structure characteristics of the sector refining plate,and design a measuring device to get the mass and 2-dimensional centroid of the sector refining plate by the three support measurement. Experiments show that after a place the mass and 2-dimensional centroid of the sector refining plate can be quickly and easily measured,and the mass error is ± 3 g,2-dimensional centroid coordinates error is ± 0. 5 mm,to achieve repetitive demand of error. Engineering application results show that the measurement device is greatly shortened the static balance calibration cycle of the sector refining plate,and improves the production efficiency.
The sector refining plate is an important part of the equipment for papermaking and fiber,the accurate measurement of its mass and 2-dimensional centroid is the precondition of the optimizing arrangement installation,and determines the equilibrium of the equipment after installation. Based on the research of the relevant centroid measurement methods,combining with the structure characteristics of the sector refining plate,and design a measuring device to get the mass and 2-dimensional centroid of the sector refining plate by the three support measurement. Experiments show that after a place the mass and 2-dimensional centroid of the sector refining plate can be quickly and easily measured,and the mass error is ± 3 g,2-dimensional centroid coordinates error is ± 0. 5 mm,to achieve repetitive demand of error. Engineering application results show that the measurement device is greatly shortened the static balance calibration cycle of the sector refining plate,and improves the production efficiency.
引文
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[3]贾金鑫,李全通,高星伟,等.叶片质量矩优化排序中遗传算法的应用[J].航空动力学报,2011,26(1):204-209.
[4]楼建忠,杜红文.大型旋转机械质量不平衡故障的研究[J].现代制造工程,2008(10):23-26.
[5]MOHAMMAD Rahimi,SAEED Ziaei-Rad.Uncertainty treatment in forced response calculation of mistuned bladed disk[J].Mathematics and Computers in Simulation,2010(80):1746-1757.
[6]丛大成,姜洪洲,韩俊伟,等.大型特种车辆质心试验系统[J].机床与液压,2005(3):26-27,45.
[7]钟江,赵章风,乔欣,等.基于三点支撑的质心测量系统及误差分析[J].中国机械工程,2010,21(12):1469-1472,1476.
[8]王超,唐文彦,张晓琳,等.大尺寸非回转体质量特性一体化测量系统的设计[J].仪器仪表学报,2012,33(7):1634-1640.
[9]张建国,阳恩会,王存堂,等.船用螺旋桨静平衡检测的对中性能分析[J].现代制造工程,2005(9):80-82.
[10]FABBRI A,MOLARI G.Static Measurement of the Centre of Gravity Height on Narrow-track Agricultural Tractors[J].Biosystems Engineering,2004(873):299-304.
[11]MOLARI G,RONDELLI V.On the Definition of Narrowtrack Wheeled Agricultural Tractors[J].Biosystems Engineering,2004,88(1):75-80.
[12]上官文斌,贺良勇,田子龙,等.汽车动力总成质心与惯性参数测试实验台的开发[J].振动工程学报,2010,23(2):119-125.
[13]聂信天,史立新,顾浩,等.基于质量反应法的拖拉机质心高度测量方法[J].农业工程学报,2011(S1):336-339.
[14]孙恒,陈作模,葛文杰.机械原理[M].7版.北京:高等教育出版社,2006.