本文对螺栓断裂的原因进行了分析，为今后联轴螺栓的设计、安装提供了经验。

The reason of coupling bolt break is analyzed in this paper. Provide the experience for the design and installing coupling bolts of hydraulic turbine.

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如果台面索引轴松动，拧紧固定螺栓。

If table index shafts are loose, tighten mounting bolts.

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钢结构节点设计中，梁与柱弱轴方向的柔性连接常采用剪力板高强螺栓连接，螺栓群所承受的荷载有竖向力和偏心力矩。

In the connection design of steel structure, the shear plate with high-strength bolt connection is extensively used at the flexible joint where the beam is connected to the weak axis of the column.

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