%0 Journal Article
%T 假人腰椎动态冲击特性的试验研究<br>Experimental Study on Dynamic Impact Mechanical Properties of Dummy Lumbar Spine
%A 颜凌波
%A 杨冲
%A 彭凯
%A 戴宏亮
%A 曹立波
%J 机械科学与技术
%D 2018
%X 基于假人腰椎在台车试验中的弯曲响应曲线，设计了针对单独假人腰椎部件的动态冲击弯曲试验装置，并进行了多次动态冲击试验，得到了腰椎橡胶邵氏硬度对腰椎力学特性的影响规律。研究结果表明，自行设计的动态冲击试验装置可较好地反映腰椎在台车碰撞中的动态冲击特性，试验装置具有操作简单，重复性好的特点；在同等动态冲击试验下，假人腰椎橡胶硬度和腰椎冲击弯角峰值呈负相关的线性关系，橡胶硬度每升高一度，腰椎弯角峰值约下降0.56°。<br>Based on the bending response curve of the lumbar spine in the sled test, a dynamic impact bending test device for dummy lumbar spine was designed and the dynamic impact test was conducted. The influence of the Shore hardness of lumbar rubber on the mechanical properties of lumbar spine was investigated. Results showed that the dynamic impact test device can reflect the dynamic impact mechanics of the lumbar spine in the sled test. The test device has the advantages of simple operation and good repeatability. Under the same dynamic impact test, there is a negative linear relationship between the hardness and the peak value of dynamic bending angle. It is indicated that when the rubber hardness increased one degree, the peak value of lumbar bending angle decreased about 0.56°
%K 假人腰椎
%K 试验装置
%K 力学特性
%K 动态冲击&lt
%K br&gt
%K dummy lumbar spine
%K design
%K test device
%K dynamic response
%K mechanical properties
%K dynamic impact
%U http://journals.nwpu.edu.cn/jxkxyjs/CN/abstract/abstract6973.shtml