前进型机车摇杆小端轴承滚针在运行中的突发性破损,多年来屡见不鲜,造成机车不能继续牵引。这一隐患严重威胁运输安全,干扰运行秩序,经分析主要有两个原因: 一是保养欠佳,造成滚针缺油烧损。二是摇杆小端轴承的检修工艺不够严密。为确保轴承滚针不破损,各零件检修时必须注意以下几个问题。1 小端轴承套的检修 Progressive locomotive rocker small-end bearing needle in the operation of sudden damage, over the years common, resulting in locomotives can not continue to traction. This threat poses a serious threat to transport safety and interferes with the operation of the order. There are two main reasons for this analysis: First, poor maintenance and the lack of oil in the rolling pin. Second, rocker end of the bearing repair process is not tight. In order to ensure that the bearing needle is not damaged, the following problems must be paid attention to when the parts are overhauled. 1 small end bearing sleeve maintenance