The reactor pressure vessel composed of spherical top and lower heads, upper and lower flanges, bolts, cylinder and two O-rings, as a static indeterminate system has been studied.

本文将反应堆压力壳的球顶盖、上下法兰、螺栓、筒体及双道O形环作为一个超静定系统进行了应力和变形分析。

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Install outer spherical bearings wide inner ring on the rim, with the top wire screw hole on the inner ring and engagement with the shaft.

安装在外球面轴承宽内圈上的钢圈，有顶丝旋入内圈上的孔里并与轴接触。

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In the light of the top unstability of oil tank, an analysis on the structures of spherical shell and stiff-ener is carried out from the reason influencing the stability of tank top and calculation.

针对油罐罐顶的失稳问题，从影响罐顶稳定性的原因和校核两个方面，对光球壳和加筋球壳两种罐顶结构进行了分析。

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