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一台徐工产YZ18S型振动压路机,施工过程中突然出现无振动。经检测,振动电磁阀开闭正常,振动马达也无故障。拆除振动泵并清洗干净后发现,泵轴上的花键及与其啮合的齿套内花键均已严重磨损,等于切断了分动器传递给振动泵的动力,因而无法驱动振动泵正常工作。维修的方法是,用线切割技术修复泵轴和齿套,不用解体振动泵,可在泵轴与齿套上各开3道宽度、深度、长度适中的键槽(不能显著影响泵轴和齿
A Xugong YZ18S-type vibratory roller, the construction process suddenly appeared without vibration. After testing, vibration solenoid valve normally open and closed, the vibration motor is also faultless. Removal of the vibration pump and clean it and found that the spline on the shaft and the gear engaged with the spline are serious wear and tear, equal to cut off the transfer of power transferred to the vibration pump splitter, which can not drive the vibration pump to work properly. Repair method is to repair the shaft and the gear sleeve with wire cutting technology without disassembling the vibration pump can be opened on the shaft and the gear sleeve each have 3 width, depth, length of the keyway (can not significantly affect the pump shaft and teeth