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在大中型拖拉机变速箱故障中,脱挡和乱挡较为常见,笔者结合多年的实践经验,对这两种故障情况予以介绍,希望对广大农机用户有所帮助。1变速箱互锁机构(防止乱挡)1.1导向框板式互锁机构导向框板式互锁机构由变速杆、变速杆支座、变速箱盖和变速杆导板等零件组成(如图1所示)。变速杆的球头下有变速杆导板,导板的槽与拨叉轴的位置相对应,变速杆下端经导
In large and medium-sized tractor gearbox failure, off gear and shuffling more common, the author combined with many years of practical experience, the two fault conditions to be introduced, I hope the majority of agricultural users to help. 1 gearbox interlock mechanism (to prevent random gear block) 1.1 Guide frame plate interlock mechanism Guide frame plate interlock mechanism consists of gearshift lever, gear lever support, gearbox cover and gear lever guide plate and other components (shown in Figure 1) . Under the ball head of the shift lever there is a shift lever guide, the slot of the guide plate corresponds to the position of the shift lever shaft, the guide rod at the lower end of the shift lever