机械弹性储能箱蜗簧衬片连接强度分析
发布时间：2019-02-11 20:29
【摘要】：蜗卷弹簧是机械弹性储能的关键零部件,其端部与芯轴和储能箱体内壁连接的强度直接影响蜗卷弹簧工作的可靠性。针对蜗卷弹簧外端与箱体内壁采用衬片固定的连接方式,采用阿基米德螺旋线建立了蜗簧和衬片的数学模型,推导了作用在衬片上的初始弯矩,针对不同长度的衬片建立了衬片连接有限元模型,对比了蜗簧和衬片有限元单元的应力大小及分布统计,得到了不同长度衬片对蜗卷弹簧的影响,确定了合适的衬片连接长度。研究成果可为蜗卷弹簧的安全运行提供有力依据。
[Abstract]:Cochlear coil spring is a key component of mechanical elastic energy storage. The strength of the end of cochlear coil spring connecting with core shaft and inner wall of storage box directly affects the reliability of cochlear coil spring. Aiming at the connection between the outer end of cochlear spring and the inner wall of the box, the mathematical model of cochlear spring and lining is established by using Archimedes spiral, and the initial bending moment acting on the lining is deduced. The finite element model of liner connection is established for different length of lining. The stress size and distribution statistics of cochlear spring and lining element are compared, the influence of different length of lining on cochlear coil spring is obtained, and the suitable connecting length of lining is determined. The research results can provide a powerful basis for the safe operation of cochlear coil spring.
【作者单位】： 华北电力大学能源动力与机械工程学院;
【基金】：国家电网公司2016总部科技项目(5204BB16000F)
【分类号】：TH135
本文编号：2420076
[Abstract]:Cochlear coil spring is a key component of mechanical elastic energy storage. The strength of the end of cochlear coil spring connecting with core shaft and inner wall of storage box directly affects the reliability of cochlear coil spring. Aiming at the connection between the outer end of cochlear spring and the inner wall of the box, the mathematical model of cochlear spring and lining is established by using Archimedes spiral, and the initial bending moment acting on the lining is deduced. The finite element model of liner connection is established for different length of lining. The stress size and distribution statistics of cochlear spring and lining element are compared, the influence of different length of lining on cochlear coil spring is obtained, and the suitable connecting length of lining is determined. The research results can provide a powerful basis for the safe operation of cochlear coil spring.
【作者单位】： 华北电力大学能源动力与机械工程学院;
【基金】：国家电网公司2016总部科技项目(5204BB16000F)
【分类号】：TH135
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