论文部分内容阅读
戚墅堰机车车辆工厂自1980年转修东风4型内燃机车以来,不断提高检修水平,已能基本上恢复机车的原性能。本文就尚存的柴油机凸轮轴和滚轮拉毛问题,提出分析和措施意见。一、凸轮轴和滚轮的拉毛情况经统计,进厂修理的1～20台16V240型柴油机上,滚轮出现拉毛的共有157只,占滚轮总数的16.36％。其中,进、排气推杆滚轮占98％,油泵滚轮仅占2％。在157只拉毛的滚轮中,严重而需更换的46只,占29.3％。据北京铁路局丰台机务段和济南铁路局
Qishuyan rolling stock factory since the conversion of Dongfeng 4 diesel locomotive in 1980, continuously improve the level of overhaul, has been able to basically restore the original performance locomotive. In this paper, the existent diesel camshaft and roller hair problems, put forward the analysis and measures of opinion. First, the camshaft and roller ramming situation According to statistics, into the plant repair 1 ~ 20 16V240 diesel engine, a total of 157 rollers appear hair, accounting for 16.36% of the total number of rollers. Among them, into the exhaust push rod wheel 98%, pump wheel only 2%. Of 157 knurled rollers, 46 were seriously replaced, accounting for 29.3%. According to Beijing Railway Bureau Fengtai locomotive depot and Jinan Railway Bureau