给出了加劲肋间距、长螺杆连接件的设计控制条件。

The distances between ribbed panels and the design control conditions of long screw connectors were suggested.

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分析中发现引起振动的原因为：（1）伸缩节两端法兰没用长螺杆刚性联接；

There may be two reasons in relation to vibration:(1) No grid connection with long screw bolt at the flanges of at two ends of extension joint;

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本论文针对实际样机产品设计，着重运用有限元法对长螺杆的布置及其连接可靠性进行了分析。

Aiming at the real prototype, we use the finite element method to analysis the effect of disposition of the long bolts and check its reliability.

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