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挖机发动机掉速的几大原因

日期:2018-03-23   来源:/
挖掘机发动机的故障种类有很多,在此前已经给大家解释过异响、烧机油、积碳等问题,那加长臂挖掘机工作时发动机掉速怎么回事?

There are many kinds of faults for excavator engines. Before that, we have explained the problem of abnormal sound, burning oil and carbon deposition. What's the problem of engine speed loss when working with long arm excavator?
1、挖掘机的柴油油路故障所致,一般的话当柴油油路阻塞时,就可能引起掉速现象。
1, the diesel oil road fault of the excavator, when the general words when the diesel oil road is blocked, it may cause the phenomenon of speed drop.
2、挖机的液压系统出现了故障,使得液压泵不能正常的改变排量,造成系统压力过高,掉速同时可能出现憋机故障。
2, the hydraulic system of excavator fails, the hydraulic pump can not be normal displacement change, cause the system pressure is too high, it may be my fault at the same time speed.


3、挖机发动机本身输出动力不足,输出功率低于额定功率,转速太低。
3, the engine output power shortage of excavator, the output power is lower than the rated power, speed is too low.
4、发动机使用燃油品质太差或燃油水含量过高,都会导致发动机的功率不足,造成掉速现象。
4, the engine's fuel quality is too poor or the fuel water content is too high, which will cause the engine's power shortage and cause the speed drop phenomenon.
5、当进气系统漏气或者阻塞,会造成发动机供气不足,造成燃油不充分燃烧,会出现掉速、冒黑烟故障。
5, when the air intake system is leaking or blocking, the engine gas supply will be inadequate, resulting in inadequate combustion of fuel, resulting in the loss of speed and black smoke.
6、加长臂挖掘机由于电磁阀间隙太大,使得供油不足,从而引起发动机掉速。
6, with the long arm excavator, the gap between the solenoid valve is too large and the fuel supply is insufficient, which causes the engine to lose speed.
7、油系统供油回路管接头松动或管路破裂,引起燃油泄露或异物堵塞,导致供油不足,除了掉速还可能引起熄火问题。
7, the oil system oil supply loop is loose or broken, causing fuel leakage or foreign matter blockage, resulting in insufficient oil supply. Besides falling speed, it may cause stall.
8、掉速故障的原因还有很多,比如气门间隙不对、喷油定时有错、涡轮增压器损坏、制动器有毛病等等。
8, there are many reasons for the failure, such as valve gap, injection timing error, turbocharger damage, brake malfunction, and so on.
以上就是小编为您讲解的有关知识,我们拥有严谨的工作态度,熟练的工作技能,将确保任务准确、高效的完成。
The above is the knowledge that Xiao Bian tells you. We have strict working attitude and skilled working skills. We will ensure that tasks are done accurately and efficiently.

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