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我单位的一台ABG422摊铺机,在使用中曾出现下列故障: 1.机器仅使用了一年多,机上的集中润滑装置就打不出黄油 经查,计时及驱动装置均正常,但加注黄油用的柱塞泵其偶件上均有划痕,导致泵因内泄漏而打不出黄油。分析认为,造成柱塞泵早期损坏的主要原因是:因摊铺机在野外工作,作业区的风沙往往使加注的黄油中含有大量杂质,从而导致柱塞泵产生早期磨损。为此,我们特制了几个研磨棒,对磨损后的柱塞缸筒进行了研磨,同时更换了柱塞、清洗了油杯,并在以后的工作中特别注意黄油的添加工作。之后,机器至今再未出现过上述故障。
A unit of our ABG422 paver, in the use of the following failures have occurred: 1. The machine only used for more than a year, the machine’s centralized lubrication device can not beat the butter, the timing and driving devices are normal, but plus Grease injection plunger pump has scratches on its even parts, resulting in the pump due to internal leakage and can not beat the butter. The analysis shows that the main reason for the early damage of the plunger pump is that due to the paver running in the field, sand blown in the work area often causes a large amount of impurities in the refilled butter, leading to early wear of the plunger pump. To this end, we made a few special grinding rods, grind the worn plunger cylinder, changed the plunger, cleaned the oil cup, and pay special attention to the adding of butter in the future work. After that, the machine has not seen the above failure so far.