一种空间可展开的伸缩机构研究
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摘要
提出了一种基于薄壁开口管的一维空间伸缩机构。介绍了薄壁开口管收拢展开原理,分析了薄壁开口管的截面特性,基于经典层合板理论,推导其双稳态特性的稳定条件,给出了稳态构型点。通过有限元分析,求解出不同直径、张角的开口管的屈曲刚度。提出了摩擦驱动的薄壁开口管展开形式,采用弧面驱动辊子实现与薄壁开口管过渡段的壁面紧密贴合。设计制造了薄壁开口管伸缩机构样机,并开展了试验验证。试验结果表明,该伸展臂可以实现轴向50 N负载下的稳定运动,采用三套伸展臂组件周向均匀布置,同步驱动,实现了可展开遮光罩重力卸载下的展开试验。
A one-dimensional deployable mechanism based on thin-walled open tube was proposed. First, the deployable principle of the thin-walled open tube was introduced, the section characteristics of the thin-walled open tube was analyzed, the stability condition of bistable characteristic based on the classical laminated plate theory was derived, and a steady configuration point was gave. Secondly, different diameters and angles open tube buckling stiffness was derived through the finite element analysis. Thirdly, the deployable mechanism of thin wall open tube driven by friction was proposed, which was closely fitted to the transition section wall of the thin-walled open tube by using roller driven. Finally, the prototype of thin-walled open tube deployable mechanism was manufactured, and the test verification was carried out. Test results show that the deployable mechanism can achieve stable motion under axial 50 N load, and three deployable mechanisms were arranged uniformly and driven synchronously, a deployable test of the prototype under gravity unloading was realized.
A one-dimensional deployable mechanism based on thin-walled open tube was proposed. First, the deployable principle of the thin-walled open tube was introduced, the section characteristics of the thin-walled open tube was analyzed, the stability condition of bistable characteristic based on the classical laminated plate theory was derived, and a steady configuration point was gave. Secondly, different diameters and angles open tube buckling stiffness was derived through the finite element analysis. Thirdly, the deployable mechanism of thin wall open tube driven by friction was proposed, which was closely fitted to the transition section wall of the thin-walled open tube by using roller driven. Finally, the prototype of thin-walled open tube deployable mechanism was manufactured, and the test verification was carried out. Test results show that the deployable mechanism can achieve stable motion under axial 50 N load, and three deployable mechanisms were arranged uniformly and driven synchronously, a deployable test of the prototype under gravity unloading was realized.
引文
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[15]赵桂平,卢天健.多孔金属夹层板在冲击载荷作用下的动态响应[J].力学学报,2008,40(2):194-206.ZHAO Guiping,LU Tianjian.Dynamic response of cellular metallic sandwich plates under impact loading[J].Chinese Journal of Theoretical and Applied Mechanics,2008,40(2):194-206.
[16]周李真辉,曹芝腑,姜东,等.锁定状态下一维可展桁架球铰连接刚度识别[J].振动与冲击,2018,37(16):219-226.ZHOULI Zhenhui,CAO Zhifu,JIANG Dong,et al.Stiffness identification of the spherical hinge of locked 1D deployable truss[J].Journal of Vibration and Shock,2018,37(16):219-226.
[17]张逸群,杨东武,李申.空间可展开天线多态结构分析及优化设计[J].振动与冲击,2016,35(19):162-167.ZHANG Yiqun,YANG Dongwu,LI Shen.Multi-state structural analysis and design for space deployable antennas[J].Journal of Vibration and Shock,2016,35(19):162-167.
[2]ALONSO F D,FERRADS E G,PEREZ J F S,et al.Characteristic overpressure impulse distance curves for the detonation of explosives,pyrotechnics or unstable substances[J].Journal of Loss Prevention in the Process Industries,2006,19(6):724-728.
[3]MULVILLE D R.Pyroshock test criteria[R].Washington:National Aeronautics and Space Administration,1999.
[4]LEE D O,HAN J H,JANG H W,et al.Shock response prediction of a low altitude earth observation satellite during launch vehicle separation[J].Journal of Aeronautical&Space Sciences,2010,11(1):49-57.
[5]IADEVAIA M,HAL B V,RIOBBO J L,et al.Using statistical energy analysis for shock pulse predictions[C]//Proceedings of the International Conference on Noise and Vibration Engineering.Leuven:International Conference on Noise and Vibration Engineering,2002.
[6]HUMPHRY L H,LANGLEY R S.Predicting shock response in uncertain structures using the Hybrid method[J].Journal of Physics:Conference Series,2009,181(1):1-8.
[7]谭雪峰,阎绍泽.星箭分离面径向冲击预示的简化圆环分析方法[J].机械工程学报,2010,46(16):95-100.TAN Xuefeng,YAN Shaoze,Simplified analytical method of radial shock response of satellite-rocket separation interface[J].Journal of Mechanical Engineering,2010,46(16):95-100.
[8]王军评,毛勇建,黄含军.点式火工分离装置冲击载荷作用机制的数值模拟研究[J].振动与冲击,2013,32(2):9-13.WANG Junping,MAO Yongjian,HUANG Hanjun.Numerical simulation for impulsively loading mechanism of a point pyrotechnics separation device[J].Journal of Vibration and Shock,2013,32(2):9-13.
[9]初文华,张阿漫,明付仁,等.SPH-FEM耦合算法在爆炸螺栓解锁分离过程中的应用[J].振动与冲击,2012,31(23):197-202.CHU Wenhua,ZHANG Aman,MING Furen,et al.Application of three-dimensional SPH-FEM coupling method in unlocking process of an explosive bolt[J].Journal of Vibration and Shock,2012,31(23):197-202.
[10]宋保永,卢红立,阳志光.分离结构在冲击载荷作用下的破坏机理研究[J].兵工学报,2009,30(增刊2):102-106.SONG Baoyong,LU Hongli,YANG Zhiguang.Studies of fracture mechanism of explosive separation device subjected to impact loads[J].Acta Armamentarii,2009,30(Sup 2):102-106.
[11]王瑞峰,卢芳云,吕钢.两种不同结构的保护罩破坏机理的比较[J].弹箭与制导学报,2008,28(2):107-110.WANG Ruifeng,LU Fangyun,LGang.Comparison of destruction mechanism between two retainers[J].Journal of Projectiles,Rockets Mossiles and Guidance,2008,28(2):107-110.
[12]牟金磊,朱锡,张振华,等.爆炸冲击作用下加筋板结构变形研究[J].海军工程大学学报,2007,19(6):12-16.MU Jinlei,ZHU Xi,ZHANG Zhenhua,et al.A study on deformation of blast loaded stiffened plates[J].Journal of Naval University of Engineering,2007,19(6):12-16.
[13]王熙,卢国兴,余同希.复合材料管状结构的能量吸收性能[J].工程力学,2003,20(3):155-160.WANG Xi,LU Guoxing,YU Tongxi.Energy absorpotion behavior of composite tube structures[J].Engineering Mechanics,2003,20(3):155-160.
[14]王志伟,姚著.蜂窝纸板冲击压缩的试验研究和有限元分析[J].机械工程学报,2012,48(12):49-55.WANG Zhiwei,YAO Zhu.Experimental investigation and finite element analysis for impact compression of honeycomb paperboards[J].Journal of Mechanical Engineering,2012,48(12):49-55.
[15]赵桂平,卢天健.多孔金属夹层板在冲击载荷作用下的动态响应[J].力学学报,2008,40(2):194-206.ZHAO Guiping,LU Tianjian.Dynamic response of cellular metallic sandwich plates under impact loading[J].Chinese Journal of Theoretical and Applied Mechanics,2008,40(2):194-206.
[16]周李真辉,曹芝腑,姜东,等.锁定状态下一维可展桁架球铰连接刚度识别[J].振动与冲击,2018,37(16):219-226.ZHOULI Zhenhui,CAO Zhifu,JIANG Dong,et al.Stiffness identification of the spherical hinge of locked 1D deployable truss[J].Journal of Vibration and Shock,2018,37(16):219-226.
[17]张逸群,杨东武,李申.空间可展开天线多态结构分析及优化设计[J].振动与冲击,2016,35(19):162-167.ZHANG Yiqun,YANG Dongwu,LI Shen.Multi-state structural analysis and design for space deployable antennas[J].Journal of Vibration and Shock,2016,35(19):162-167.