Through the failure analysis of connecting bolt of down rod, it points out that it is not correct to put the thinner nut outer side if the double nut anti-loose method is adopted.

通过对游梁式抽油机对接式连杆下接头连接螺栓的失效分析，指出了采用双螺母防松时，将薄型螺母放置在外侧是不恰当的。

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The key position bolt of the engine include connecting rod, crankshaft, main bearing, cylinder head, flywheel and shock absorber bolt, all of which belong to bolt fastening.

发动机关键工位螺栓包括连杆螺栓、曲轴螺栓、主轴承盖螺栓、气缸盖螺栓、飞轮螺栓和减振器螺栓等均属螺纹联接。

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A new type of nondestructive testing (NDT) probe coil has been designed for examining the connecting rod bolt of automobile engine.

本文主要阐述了汽车发动机连杆螺栓无损检测探头的结构、检测转换原理以及设计时主要参数的确定。

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