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齒輪泵輸出流量不夠,壓力上不去的解決辦法

时间:2020-07-13     【原创】   阅读

齒輪泵輸出流量不夠,壓力上不去的解決辦法

一般針對此類主要是內泄漏造成的,泄漏約占齒輪泵總泄漏的5%,徑向泄漏約占齒輪總泄漏量的20%-25%,端面泄漏約占齒輪泵總泄漏的75%-80%,泵壓力俞高泄漏俞大。

為提高齒輪泵的工作壓力,減少內泄漏,設計上已經采用一些方法。

1.采用浮動軸套端面間隙,將壓力油引入軸套背面,使之緊貼齒輪端面,減小端面間隙,補償磨損,且壓力越高,貼的越緊。

2.采用彈性側板式補償端面間隙,將泵出口壓力油引至背面,靠側板自身的變形來進行端面間隙的補償

高壓齒輪泵


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