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关于缠绕筒壳的强度问题,文献[1]曾经作了较全面的分析.它把筒壳模拟成弹性基础梁,得出了一系列较为简单的近似计算公式。由于筒壳长度的限制,特别是在有支环的情况下,要想进行细致一些的研究,就需要用壳体的弹性理论来分析。文献[2]就是以壳体弹性理论为基础,导出了一系列计算公式.在带支环的缠绕筒壳中,由于计算比较复杂,文献[2]曾作了如下两个假定:(1)筒壳在支环处其母线的切线恒与筒壳轴线平行,也就是说,筒壳受载后其支环只有径向的缩小,没有以周线为轴的转动:(2)在支环附近筒壳的剪力是和长筒壳受径向负荷的剪力相同的。本文在放弃上述两个假定的基础上,
With regard to the strength of the wound shell, literature [1] has made a comprehensive analysis in the past, which simulates the shell as an elastic foundation beam and obtains a series of relatively simple approximate formulas. Due to the length of the shell, especially in the case of a branch ring, in order to study more carefully, we need to use the shell’s elasticity theory to analyze. In [2], a series of formulas are deduced based on the shell elasticity theory. In the case of a wound cylinder with a branch ring, the following two assumptions have been made in literature [2] due to the complicated calculation: (1) Cylindrical shell at the branch ring at its busbar tangent constant axis with the cylinder shell, that is to say, the cylinder shell after receiving only radial reduction of its branch, there is no axis of rotation: (2) in the branch ring The shearing force of the shell near the shell is the same as the shearing force of the shell under the radial load. Based on the above two hypotheses,