齿轮油泵不上油是什么原因
齿轮油泵是借一对相互啮合的齿轮,将机械能转换为油压能的装置。在空压机的润滑系统中被广泛采用。油泵在运转中的故障通常是润滑系统中油压降低,甚至有时打不上油。
其原因大体有:
1.旋转方向与规定方向;
2.吸油管路不严密,单向阀卡住;
3.油泵的泵体与泵盖之间密封不良;
4.油槽内油量不足;
5.油泵零件严重磨损;
6.吸油过滤网被堵塞。
实际工作中应根据具体情况进行不同处理。在检修中应特别注意吸油管道的密封,以及齿轮油泵泵体与泵盖之间的密封。吸入端如果密封不良,则油泵进口漏入空气,造成油泵抽
空,自然就要打不上油。
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