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盾构机维修保养及查找故障原因

2025-06-26

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盾构机维修保养注意事项:

1)盾构维修保养采用日常巡检保养和定期停机维修保养相结合的方式。

每天进行日常巡检保养;每周停机24小时进行强制性集中维修保养。采取以日常保养为主,停机维修保养为辅的方式。

2)维修保养工作必须制定维保计划,并且应严格按计划执行。

3)维修保养采取责任工程师签认制度,所有维修保养工作内容都要有书面纪录,并且由责任工程师检查签认。对电器和液压系统的任何修改(包括临时接线等)都要做详细记录、签字并存档。

4)维保工作必须遵循以下安全说明:

①只有当机器停止操作时才能进行维保工作。

②断开要维护的电气部件的开关,并确保维护期间不会工作。

③在液压系统维护之前必须关闭相关阀门和降压,必须防止液压油缸的缩回和液压马达的意外运行。意外泄漏的的高压油会造成人员的伤亡和液压设备的损坏。

④液压系统的维护保养必须注意清洁,严禁使用棉纱等易起毛的物品清洁管接头内壁、油桶、油管等。

故障查找建议:

盾构上的零部件因磨损或震动等可能会出现故障。一般情况下故障源来自两方面:

①液压流体系统元件;

②电子系统元件。

查找故障原因:

如果控制板上的控制元件已起动而功能并未实现,可检查液压流体系统和电子系统的连接从而确定是哪一部分的故障。首先断开电气连接阀,然后起动控制键,如测量仪器显示电压或电流正确,则可初步确定故障是液压系统元件造成的。

来源:地下装备液压流体俱乐部

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