| 基于应变测量法的几种典型悬臂梁的挠度测量 |
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| 引用本文： | 刘国强,薛春芳,王丹杰.基于应变测量法的几种典型悬臂梁的挠度测量[J].装甲兵工程学院学报,2006,20(5):55-57. |
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| 作者姓名： | 刘国强 薛春芳 王丹杰 |
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| 作者单位： | 装甲兵工程学院机械工程系,北京,100072 |
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| 摘 要： | 挠度变形是工程梁设计中的一项重要指标,为了更加准确地测量梁的挠度变形,提出了采用应变式传感器进行挠度测量的方法对几种典型的悬臂梁的挠度进行测量,该方法是利用挠度与外载荷(外力偶)、弯矩与应力、应力应变之间的关系,导出梁的挠度与应变之间的关系,从而由测得的应变得出悬臂梁在外载荷作用下的挠度。测量结果表明该测量方法测得的结果大大地提高了挠度测量精度。
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| 关 键 词： | 应变式传感器 挠度 应力与应变 悬臂梁 电测原理 |
| 文章编号： | 1672-1497(2006)05-0055-03 |
| 修稿时间： | 2006年6月20日 |
Deflection Measuring of Some Typical Cantilever Girders Based on Strain-Gauge Measurement |
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| LIU Guo-qiang,XUE Chun-fang,WANG Dan-jie.Deflection Measuring of Some Typical Cantilever Girders Based on Strain-Gauge Measurement[J].Journal of Armored Force Engineering Institute,2006,20(5):55-57. |
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| Authors: | LIU Guo-qiang XUE Chun-fang WANG Dan-jie |
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| Abstract: | Deflection-distortion is an important guideline in the design of girder. In order to measure the deflection of girder more accurately, strain-sensor is presented to measure the deflection of some typical cantilever girders. In this method, by using the relations between deflection and load, bending-moment and stress, stress and strain,we can educe the relation of deflection and strain, then using the strain, the deflection of cantilever girder can be obtained. The outcomes indicate that this method has improved the measuring precision. |
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| Keywords: | strain-gauge sensor deflection stress and strain cantilever girder electricity measure principle |
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