与曲柄销配合连接,用以减少曲柄销磨损的连杆大端轴承。连杆大端轴承为剖分的滑动轴承。十字头式连杆的大端轴承常单独制作,再用连杆螺栓与杆身固接,并常在其内表面上直接浇铸减摩合金。无十字头式连杆的大端轴承,其上半部常与杆身制成一体,而下半部轴承盖则单独制造,再用连杆螺栓与上半部相固接,而且在轴承上、下半部的内面均装有轴瓦。为了润滑,在大端轴承上钻有油孔,并在减摩合金表面上开制油槽和垃圾槽等。
对12V240ZJ型柴油机进一步强化后,主轴承和连杆大端轴承的可靠性进行了分析计算。
The reliability of main bearing and connecting rod large end bearing for 12V240ZJ diesel engine whose power has been increased up to the E type grade was analyzed.
以立式单缸柴油发动机为研究对象,分析了低气压对发动机主轴承和连杆大端轴承工作情况的影响。
The influence of low environment pressure on the main bearing and big end bearing of internal combustion engine was investigated based on a one-cylinder diesel engine.
连杆大端装配者滚柱轴承。
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