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技術(shù)文章您的位置:網(wǎng)站首頁(yè) >技術(shù)文章 >阿托斯溢流閥主要起到什么作用?

阿托斯溢流閥主要起到什么作用?

更新時(shí)間:2022-12-08   點(diǎn)擊次數:887次
  阿托斯溢流閥是液壓控制閥的一種,在液壓設備中主要起恒壓溢流、穩壓、系統卸荷和安全保護的作用。溢流閥在裝配或使用過(guò)程中,由于O形圈密封和組合密封的損壞,或安裝螺釘和管接頭的松動(dòng),可能會(huì )造成不必要的外部泄漏。
 
  

阿托斯溢流閥
 

 

  阿托斯溢流閥主要起到什么作用?
  
  1、恒壓溢流
  
  在定量泵的節流控制系統中,定量泵提供恒定的流速。當系統壓力增加時(shí),流量需求將會(huì )降低。此時(shí)溢流閥打開(kāi),使多余的流量溢流回油箱,溢流閥的入口壓力,即泵的出口壓力保持不變。
  
  2、穩壓效果
  
  溢流閥串聯(lián)在回油路上,產(chǎn)生背壓,增加運動(dòng)部件的穩定性。
  
  3、系統卸載
  
  溢流閥的遙控口串聯(lián)一個(gè)小溢流流量的電磁閥。當電磁鐵通電時(shí),溢流閥的遙控口接通油箱,液壓泵卸載。此時(shí),泄壓閥用作卸載閥。
  
  4、安全保護功能
  
  當系統正常工作時(shí),閥門(mén)關(guān)閉。只有當負荷超過(guò)規定的極限,才啟動(dòng)溢流進(jìn)行過(guò)載保護,這樣系統壓力就不會(huì )增加。
  
  5、在實(shí)際應用中,一般有用作卸荷閥、遠程調壓閥、高低壓多級控制閥、順序閥產(chǎn)生背壓。
  
  6、溢流閥一般有兩種結構。直動(dòng)式安全閥,先導安全閥。
  
  7、阿托斯溢流閥的主要要求
  
  調壓范圍大,調壓偏差小,壓力擺動(dòng)小,動(dòng)作靈敏,過(guò)載能力大,噪音低。

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