朱天赐, 黎立云, 王宏伟, 卫梦希. 等截面金属弯钩极限承载力计算[J]. 力学与实践, 2019, 41(4): 429-435. DOI: 10.6052/1000-0879-19-114
引用本文: 朱天赐, 黎立云, 王宏伟, 卫梦希. 等截面金属弯钩极限承载力计算[J]. 力学与实践, 2019, 41(4): 429-435. DOI: 10.6052/1000-0879-19-114
ZHU Tianc, LI Liyun, WANG Hongwei, WEI Mengxi. ULTIMATE STRENGTH OF MENTAL HOOK OF UNIFORM CROSS SECTION[J]. MECHANICS IN ENGINEERING, 2019, 41(4): 429-435. DOI: 10.6052/1000-0879-19-114
Citation: ZHU Tianc, LI Liyun, WANG Hongwei, WEI Mengxi. ULTIMATE STRENGTH OF MENTAL HOOK OF UNIFORM CROSS SECTION[J]. MECHANICS IN ENGINEERING, 2019, 41(4): 429-435. DOI: 10.6052/1000-0879-19-114

等截面金属弯钩极限承载力计算

ULTIMATE STRENGTH OF MENTAL HOOK OF UNIFORM CROSS SECTION

  • 摘要: 研究等截面弯钩受力时的应力分布及承载极限问题,本文以弹性力学的曲梁问题为参考,建立了平面应力条件下的金属弯钩的力学模型,得出了弯钩应力分布解,并通过ANSYS数值模拟进行验证,得出其危险截面。基于极限变形原理、弹性极限设计原理与塑性极限设计原理,提出了等截面弯钩失效的三种准则,为工厂生产不同极限载荷下的弯钩提供了理论依据。

     

    Abstract: In order to study the stress distribution and the ultimate strength of the hook of uniform cross section subjected to load, a stress distribution model of the hook is established as a curved beam. The numerical method of ANSYS is used to test the theoretical solution of the hook, which also helps to identify the dangerous section. Three failure principles are established based on the displacement, the limit of elasticity and the principle of plastic design, providing a theoretical basis for the factory to produce hooks of different sizes under different ultimate loads.

     

/

返回文章
返回