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。
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.
从试验和数值分析两个方面研究了螺栓预紧力矩对LY12CZ铝合金双盖板对接螺纹联接件微动损伤的影响。
This article studies the influence of the bolt tightening torque on the fretting damage of LY12CZ aluminium alloy double shear lap bolted joint by experimental and conumerical analysis.
本发明涉及一种大型破损地脚螺栓对接专用套筒及其对接方法。
The invention relates to a special butt joint sleeve for a large breakage anchor bolt and the butt joint method thereof.
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