The connecting rod is attached at one end to a crankpin on the crankshaft and at the other end to a piston, through a piston pin or wrist pin.
连杆的一端与曲轴的连杆轴颈相连，另一端通过活塞销与活塞相连。
The connecting rod little end is connected to the piston pin.
连杆小头连接着活塞销。
The FEM for the assembly parts of piston, gudgeon pin and small-end of connecting rod is constructed to investigate a diesel engine piston with an oscillating-oil-cooling channel.
针对某增压柴油机振荡冷却油腔活塞的非对称结构，建立全活塞活塞销连杆小头的有限元模型；提出了振荡冷却油腔的第三类热边界条件的数学描述并进行了验证；
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