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![石油液压系统, 自卸车液压系统, 救援车液压系统,液压系统](http://download.img.dns4.cn/heropic/180602/p1/20170412171340_6041_zs_sy.jpg)
液压系统中噪声产生原因及解决措施
1、空气侵入液压系统是产生噪声的主要原因。因为液压系统侵入空气时,在低压区其体积较大,当流到高压区时受压缩,体积突然缩小,而当它流入低压区时,体积突然增大,这种气泡体积的突然改变,产生“现象,因而产生噪声,此现象通常称为“空穴”。针对这个原因, 自卸车液压系统,常常在液压缸上设置排气装置,以便排气。另外在开车后,使执行件以快速全行程往复几次排气, 救援车液压系统,也是常用的方法;
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采取措施:对液压缸、活塞和活塞杆等零件的形位公差和表面粗糙度有一定的要求;并应保证液压系统和液压油的清洁,以免脏物夹入相对运动件的表面间,从而增大磨擦阻力。
3)运动件表面间润滑不良,形成干磨擦或半磨擦,也容易导致爬行。
采取措施:经常检查有相对运动零件的表面间润滑情况,使其保持良好。
4)若液压缸的活塞和活塞杆的密封定心不良,也会出现爬行。
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在工作时,液压阀的阀芯支持在弹簧上,当其频率与液压泵输油率的脉动频率或与其它振源频率相近时,液压系统,会引起振动,产生噪声。这时,石油液压系统,通过改变管路系统的固有频率,变动控制阀的位置或适当地加蓄能器,则能防振降噪。
由于液压缸、阀等元件泄漏严重,造成流量不足时,应针对不同情况采取相应的措施;
6、流量控制阀的调节机构工作不正常时,应根据零件损坏情况予以修复或更新、或拆开清洗,使调节机构动作灵活,工作正常。
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石油液压系统_金油顺液压机电(在线咨询)_液压系统由东莞市金油顺机电有限公司提供。东莞市金油顺机电有限公司(www.wanerfu.net)在液压元件这一领域倾注了无限的热忱和激情,金油顺液压机电一直以客户为中心、为客户创造价值的理念、以品质、服务来赢得市场,衷心希望能与社会各界合作,共创成功,共创辉煌。相关业务欢迎垂询,联系人:谢先生。
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