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      lol竞猜平台app >> 装载机液压缸内漏如何判定?
      装载机液压缸内漏如何判定?
      发布时间:2014-8-18 17:04:24    浏览:256次

      将装载机动臂落到底,然后启动发动机,将动臂操纵杆置于下降位置,加大油门根据松开动臂缸大腔接口处的漏油情况即可判断小腔油封的好坏。

      1、若大腔接口处漏油比较多,则说明该缸油封密封不良或油封损坏;若松开处接口不漏油或漏油很少,则说明该动臂缸小腔油封密封性能较好。
      If a large cavity at the interface more oil spills, then seal the cylinder seal or seal damaged bad; if release of the interface does not leak or spill rarely, then the better the small chamber of the boom cylinder seal sealing performance.
      2、大腔油封损坏,就会造成升起的动臂自动下落,其判断方法与小腔油封判定方法相反。也可用此法来判断装载机的翻斗缸或转向缸的某一缸油封以及非对称式液压缸的某一腔油封的密封情况。
      Large cavity seal is damaged, it will cause a rise in the boom automatically whereabouts, their judgment determination method and the small cavity seal opposite approach. Can also use this method to determine the loader tipping cylinder or steering cylinder and a cylinder seal asymmetric hydraulic cylinder seal a chamber sealed case.
      3、原来未更换转向机、转向阀总成之前,虽然转向油路压力高,但因转向阀磨损内漏较大,加上转向机间隙较大,故用旧转向机、转向阀总成时反而合适,前轮不发摆;更换新件后,因转向机间隙变小,转向阀内漏也减少,从而使转向时油路反应过于灵敏,出现前轮发摆现象。
      Not replaced before the original steering, the steering valve assembly, although turning the oil pressure is high, but the steering valve leakage wear larger, with a larger machine steering gap,so the old steering gear, but proper steering valve assembly , the front wheel does not send pendulum; after replaced with new parts, because the gap becomes smaller steering, steering valve leakage is reduced, so that the steering response when the oil is too sensitive, appeared the front hair swing phenomenon.

       

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