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新型膜式燃气表阀件密封性检测仪
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    摘要:

    膜式燃气表阀件的微观形貌影响工作面之间的配合,从而影响阀件密封性。设计基于表面形貌参数评定方法的燃气表阀件密封性检测仪,主要由计算机、激光测距传感器、运动控制箱、XY运动平台、Z轴升降支架、工作台组成。检测时,被测阀件放置在XY运动平台上,计算机设定XY运动平台轨迹,被测阀件跟随运动,同时采集运动过程中被测面高度变化数据,通过软件处理,实现微观形貌的检测。试验表明,系统操作简易、运行流畅,二维评定合格率达到85%,三维评定合格率达到100%,最短评定时间为10 s。系统依据阀件进行阈值设定,适用于多种类型阀件,同时具有表面形貌图形显示、报表打印等功能。

    Abstract:

    The micromorphology of valves of diaphragm gas meter influences the coordination of working surfaces,thereby influences leakproofness of valves.Based on evaluating leakproofness by surface topography,a new leakproofness detector for valves of diaphragm gas meter was designed,which was comprised of computer,laser distance measuring sensor,motion control box,XY motion platform,Z shaft lifting scaffold,and worktable.When detecting,the valve is placed on the XY motion platform and moves with the platform,the computer sets the motion trace and collects the changing height data of measured surface,through the software processing to realize the detection of micromorphology.The experimental result shows that the system is easy to operate and runs smoothly.The qualified rate of two dimensional assessment reaches 85%,the qualified rate of threedimensional assessment reaches 100%,and the shortest evaluation time is 10 s.The system can set threshold of valves,which is suitable for various types of valves,and has the ability to display the surface morphology of graphic and print the results.

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张良岳,沈小燕,崔 廷,叶善选,李东升.新型膜式燃气表阀件密封性检测仪[J].润滑与密封,2016,41(1):115-119.
.[J]. Lubrication Engineering,2016,41(1):115-119.

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  • 在线发布日期: 2016-04-07
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