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工程机械柴油机,发生冲毁气缸垫后,如果不仔细查找故障原因,而只是采取更换新缸垫的办法,往往还会在短时间内再次发生冲垫事故。由于接连不断地发生冲毁缸垫,就会使缸套发生变形,缸体和缸盖在缸孔之间的过桥处烧蚀出沟痕,这样缸盖、缸体就易报废。因此在发现此类故障时,要仔细分析和查找出原因,然后再采取相应的措施。 气缸垫渗漏是由于气缸垫局部预紧力不够造成的,柴油机烧燃的高温、高压燃气开始在气缸垫密封面预紧力低的部位,慢慢渗漏,严重时反复渗漏的燃气又造成气垫烧损,形成刺漏,使柴油机不能正常工作。
Construction machinery diesel engine, crash cylinder head gasket, if you do not carefully find the cause of the malfunction, but only to replace the new cylinder pad approach, often again in a short time pad accident. Cylinder liner will deform due to continuous destruction of cylinder liner, cylinder block and cylinder head in the cylinder between the bridge ablation of the groove marks, so cylinder head, cylinder body easily scrapped. Therefore, in the discovery of such failures, we must carefully analyze and find out the reasons, and then take appropriate measures. Cylinder pad leakage is due to lack of partial pre-clamping force caused by the cylinder head, diesel engine burning high temperature and high pressure gas began to seal the surface of the cylinder gasket low preload, slowly leakage, serious repeated leakage of gas and Resulting in air cushion burning, forming a puncture, so that the diesel engine can not work properly.