龙宝娱乐

从液压泵异响中分析液压泵配件的故障

18-05-03 09:11

一、从液压配件异液压噪声分析:  

1.液压配件或液压马达配件的噪声  

龙宝娱乐(1)XIKONGXIANXIANGSHIZAOCHENGYEYAPEIJIANZAOSHENGGUOGAODEZHUYAOYUANYINZHIYI。DANGYOUYEZHONGHUNRUKONGQIHOU,YIZAIQIGAOYAQUXINGCHENGQIXUEXIANXIANG,BINGYIYALIBODEXINGSHICHUANBO,ZAOCHENGYOUYEZHENDANG,DAOZHIXITONGCHANSHENGQISHIZAOSHENG。  

QIZHUYAOYUANYINYOU:  

龙宝娱乐1.YEYAPEIJIANDELVYOUQI、JINYOUGUANDUSAIHUOYOUYEZHANDUGUOGAO,JUNKEZAOCHENGBENGJINYOUKOUCHUZHENKONGDUGUOGAO,SHIKONGQISHENRU。  2.YEYAPEIJIAN、XIANDAOBENGZHOUDUANYOUFENGSUNHUAI,HUOJINYOUGUANMIFENGBULIANG,ZAOCHENGKONGQIJINRU。  

3.油箱油位过低,使液压配件进油管直接吸空。  当萨澳PV23液压泵配件龙宝娱乐液压配件工作中出现较高噪声时,应首先对上述部位进行检查,发现问题及时处理。  

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(2)液压配件内部元件过度磨损,如液压配件的缸体与配流盘、转子与叶片泵配件配合件的磨损、拉伤,使液压配件内泄漏严重,当液压配件输出高压、小流量油液时将产生流量脉动,引发较高噪声。此时可适当加大先导系统变量机构的偏角,以改善内泄漏对泵输出流量的影响。  液压配件控制流量的活塞也会因局部磨损、拉伤,使活塞在移动过程中脉动,派克柱塞泵配件龙宝娱乐造成液压配件输出流量和压力的波动,从而在泵出口处产生较大振动和噪声。此时可对磨损、拉伤严重的元件进行刷镀研配或更换处理。  


(3)YEYAPEIJIANPEILIUPANYESHIYIYINFAZAOSHENGDEZHONGYAOYUANJIANZHIYI。PEILIUPANZAISHIYONGZHONGYINBIAOMIANMOSUNHUOYOUNICHENJIZAIXIEHECAOKAIQICHU,DOUHUISHIXIEHECAOBIANDUANERGAIBIANXIEHEWEIZHI,CHANSHENGKUNYOUXIANXIANG,JIERYINFAJIAOGAOZAOSHENG。ZAIZHENGCHANGXIUPEIGUOCHENGZHONG,JINGPINGMOXIUFUDEPEILIUPANYEHUICHUXIANXIEHECAOBIANDUANDEHOUGUO,CISHIRUBUJISHIJIANGQISHIDANGXIUZHANG,YEJIANGCHANSHENGJIAODAZAOSHENG。ZAIZHUANGPEIGUOCHENGZHONG,PEILIUPANDEDAXIEHECAOYIDINGYAOZHUANGZAIBENGDEGAOYAQIANG,BINGQIEQIJIANJIAOFANGXIANGYUGANGTIDEXUANXIANGXUXIANGDUI,FOUZEYEJIANGJIXITONGDAILAIJIAODAZAOSHENG。  


2.YILIUFAPEIJIANDEZAOSHENG  YILIUFAPEIJIANYICHANSHENGGAOPINZAOSHENG,ZHUYAOSHIXIANDAOFAPEIJIANXINGNENGBUWENDINGSUOZHI,JIWEIXIANDAOFAPEIJIANQIANQIANGYALIGAOPINZHENDANGYINQIKONGQIZHENDONGERCHANSHENGDEZAOSHENG。  

QIZHUYAOYUANYINYOU:  

(1)YOUYEZHONGHUNRUKONGQI,ZAIXIANDAOFAPEIJIANQIANQIANGNEIXINGCHENGQIXUEXIANXIANGERYINFAGAOPINZAOSHENG。CISHI,YINGJISHIPAIJINKONGQIBINGFANGZHIWAIJIEKONGQIZHONGXINJINRU。  

龙宝娱乐(2)ZHENFAPEIJIANZAISHIYONGGUOCHENGZHONGYINPINFANKAIQIERGUODUMOSUN,SHIZHENFAPEIJIANZHUIMIANYUFAPEIJIANZUOBUNENGMIHE,ZAOCHENGXIANDAOLIULIANGBUWENDING、CHANSHENGYALIBODONGERYINFAZAOSHENG,CISHIYINGJISHIXIULIHUOGENGHUAN。  

(3)XIANDAOFAPEIJIANYINDANHUANGPILAOBIANXINGZAOCHENGQIDIAOYAGONGNENGBUWENDING,SHIDEYALIBODONGDAERYINFAZAOSHENG,CISHIYINGGENGHUANDANHUANG。  

龙宝娱乐3.YEYAGANGPEIJIANDEZAOSHENG  

(1)油液中混有空气或液压缸配件中空气未完全排尽,马祖奇液压泵配件在高压作用下产生气穴现象而引发较大噪声。此时,须及时排尽空气。  

龙宝娱乐(2)GANGTOUYOUFENGGUOJINHUOHUOSAIGANWANQU,ZAIYUNDONGGUOCHENGZHONGYEHUIYINBIEJINGERCHANSHENGZAOSHENG。CISHI,XUJISHIGENGHUANYOUFENGHUOXIAOZHIHUOSAIGAN。  


龙宝娱乐4.GUANLUZAOSHENG  GUANLUSIWANGUODUOHUOGUDINGKAZISONGTUOYENENGCHANSHENGZHENDONGHEZAOSHENG。YINCI,ZAIGUANLUBUZHISHANGYINGJINLIANGBIMIANSIWAN,DUISONGTUODEKAZIXUJISHININGJIN。  


ER、YEYAXITONGZHENDONGHEZAOSHENGDECHANSHENGYUANYINJIXIAOCHUCUOSHI  

龙宝娱乐1,ZHENDONGHEZAOSHENGDELAIYUANZAOCHENGYEYAXITONGZHONGDEZHENDONGHEZAOSHENGLAIYUANHENDUO,DAZHIYOUJIXIEXITONG,YEYAPEIJIAN,YEYAFAPEIJIANJIGUANLUDENGJIFANGMIAN。JIXIEXITONGDEZHENDONGHEZAOSHENGJIXIEXITONGDEZHENDONGHEZAOSHENG,ZHUYAOSHIYOUQUDONGYEYAPEIJIANDEJIXIECHUANDONGXITONGYINQIDE,ZHUYAOYOUYIXIAJIFANGMIAN。  

龙宝娱乐1)HUIZHUANTIDEBUPINGHENGZAISHIJIYINGYONGZHONG,DIANJIDADOUTONGGUOLIANZHOUJIEQUDONGYEYAPEIJIANGONGZUO,YAOSHIZHEIXIEHUIZHUANTIZUODAOWANQUANDEDONGPINGHENGSHIFEICHANGKUNNANDE,RUGUOBUPINGHENGLITAIDA,JIUHUIZAIHUIZHUANSHICHANSHENGJIAODADEZHUANZHOUDEWANQUZHENDONGERCHANSHENGZAOSHENG。  

2)ANZHUANGBUDANGYEYAXITONGCHANGYINANZHUANGSHANGCUNZAIWENTI,ERYINQIZHENDONGHEZAOSHENG。RUXITONGGUANDAOZHICHENGBULIANGJIJICHUDEQUEXIANHUOYEYAPEIJIANYUDIANJIZHOUBUTONGXIN,YIJILIANZHOUJIESONGDONG,ZHEIXIEDOUHUIYINQIJIAODADEZHENDONGHEZAOSHENG。  


2.YEYAPEIJIAN(YEYAYEYAMADAPEIJIAN)TONGCHANGSHIZHENGGEYEYAXITONGZHONGCHANSHENGZHENDONGHEZAOSHENGDEZUIZHUYAODEYEYAYUANJIAN.YEYAPEIJIANCHANSHENGZHENDONGHEZAOSHENGDEYUANYIN,YIFANGMIANSHIYOUYUJIXIEDEZHENDONG,LINGYIFANGMIANSHIYOUYUYETIYALILIULIANGJIJUBIANHUAYINQIDE。 

 1)液压配件压力和流量的周期变化  液压配件的齿轮,叶片泵配件及拄塞在吸油,压油的过程中,使相应的工作产生周期性的流量和压力的力士乐A6V355液压泵配件过程中,使相应的工作腔产生周期的流量和压力的变化,进而引起泵的流量和压力脉动,造成液压配件的构件产生振动,而构件的振动又引起了与其相接触的空气产生疏密变化的振动,进而产生噪声的声压波传播出去。  

2)YEYAPEIJIANDEKONGXUEXIANXIANG  YEYAPEIJIANZAIGONGZUOSHI,RUGUOYEYAYOUXIRUGUANDAODEZULIGUODA,CISHI,YEYAYOULAIBUJICHONGMANBENGDEXIYOUQIANG,ZAOCHENGXIYOUQIANGNEIJUBUZHENKONG,XINGCHENGFUYA.RUGUOZHEIGEYALIQIAHAODADAOLEYOUDEKONGQIFENLIYALISHI,YUANLAIRONGJIEZAIYOUYENEIDEKONGQIBIANHUIDALIANGXICHU,XINGCHENGYOULIZHUANGTAIDEQIPAO.SUIZHEBENGDEDONGZHUAN,ZHEIZHONGDAIYOUQIPAODEYOUYEZHUANRUGAOYAQU,CISHIQIPAOYOUYUSHOUDAOGAOYAERSUOXIAO,POLIEHEXIAOSHI,XINGCHENGHENGAODEJUBUGAOPINYALICHONGJI  

3)YEYAPEIJIANNEIDEJIXIEZHENDONG  YEYAPEIJIANSHIYOUHENDUODELINGJIANGOUJIANDE,YOUYULINGJIANDEZHIZAOWUCHA,ZHUANGPEIBUDANGDOUYOUKENENGYINQIYEYAXITONGDEZHENDONGHEZAOSHENG

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龙宝娱乐3、YEYAFAPEIJIANDEZHENDONGHEZAOSHENGYEYAFAPEIJIANCHANSHENGDEZAOSHENG,YINFAPEIJIANDEZHONGLEI,SHIYONGTIAOJIANDENGJUTIQINGKUANGBUTONGERYOUSUOBUTONG。ANQIFASHENGDEYUANYINDAZHIKEFENWEIJIXIESHENGHELIUTISHENGLIANGDALEI。  

龙宝娱乐1)JIXIESHENG  DABUFENDEYEYAFAPEIJIANDOUYOUFAPEIJIANXIN,FAPEIJIANTI,DIAOKONGLINGJIAN,JINGUJIAN,MIFENGJIANDENGJIBUFENZUCHENG,TASHITONGGUOWAILISHIFAPEIJIANXINCHANSHENGYUNDONG,FAPEIJIANXINYUNDONGZHIXIANGYINGWEIZHISHIYELIUFASHENGGAIBIAN,MANZUGONGZUOYAOQIU。ZAIZHEIYIGUOCHENGZHONG,FAPEIJIANNEIKEDONGLINGJIANDEJIXIEJIECHUCHANSHENGZAOSHENG。  

2)LIUTISHENG  YOUYUYEYAFAPEIJIANZAIJINXINGJIELIU,HUANXIANG,YILIUSHI,SHIFAPEIJIANTINEIYELIUDELIULIANG,FANGXIANGYIJIBEIYAFASHENGZHONGZHONGBIANHUA,DAOZHIFAPEIJIANJIANJIGUANDAODEBIMIANCHANSHENGZHENDONG,CONGERCHANSHENGZAOSHENG。ANQICHANSHENGYALIZHENDONGDEYUANYINYOUKEFENWEIQIXUESHENG,LIUDONGSHENG,YEYACHONGJISHENGHEZHENDANGSHENG。GUANLUDEZHENDONGHEZAOSHENGZHEIZHUYAOSHIYOUYUBENG,FAPEIJIANDENGYEYAYUANJIANDEZHENDONGZAIGUANLUSHANGXIANGHUZUOYONGYINQIDE。YANJIUBIAOMING,DANGGUANLUDEZHANGDUQIAHAODENGYUZHENDONGYALIBOZHANGYIBANDEZHENGSHUBEISHI,GUANLUHUICHANSHENGQIANGLIEDEGAOPINZAOSHENG。  CIWAI,WAIBUZHENYUANYEKENENGYINQIGUANLUGONGZHEN;ERDANGGUANLUDEJIEMIANJITURANBIANHUA(JIJUKUODAHESUOXIAOHUOJIZHUANWAN)SHI,DOUHUISHIQIZHONGDEYELIUFASHENGBIANHUA,YICHANSHENGWENLIUERFACHUZAOSHENG。  FANGZHIYOUZHONGHUNRUKONGQIYEYAXITONGWANGWANGZAIYUNZHUANKAISHIDEYIDUANSHIJIANNEIZAOSHENGJIAOXIAO,YIDINGSHIJIANHOU,ZAOSHENGZENGDA,RUOCISHIGUANCHAYOUXIANGZHONGDEYEYAYOU,KEFAXIANYEYAYOUBIANWEILEHUANGSE,ZHEIZHUYAOSHIYOUYUYOUZHONGHUNRUWEIXIAOQIPAO,GUCIBIANSE。

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DUIYUZHEIZHONGQINGKUANGZHUYAOCONGERGEFANGMIANCAIQUCUOSHI,

YISHICONGGENBENSHANGJIEJUE,FANGZHIKONGQIHUNRU。

ERSHIJINKUAIPAICHUHUNRUYOUTIDEKONGQI。  

JUTIFANGFAWEI:  

1BENGDEXIYOUGUANJIETOUMIFENGYAOYAN,FANGZHIXIRUKONGQI;  

2合理设计油箱。防止液压阀配件产生空穴现象液压阀配件的空穴现象的产生,主要作到使泵的吸油阻力尽量减小。常用的措施包括,采用直径较大的吸油管,大容量的吸油滤器,同时要避免滤油器堵塞;泵的吸油高度应尽量变小。  防止管道内紊流和旋流的产生在对液压系统管路进行设计时,管道截面应尽量避免突然扩大或收缩;如采用弯管,其曲率半径应为管道直径五倍以上,这些措施都可有效的防止管路内紊流和旋流的产生。  采用蓄能器或消声器吸收管道内的压力脉动  管道内的压力脉动是系统产生振动和噪声主要原因。在液压回路中设置蓄能器,力士乐A2F0配件可以有效地吸收振动,而在发生振动部位附近设置消振器也可有效地减少系统振动。  避免系统发生共振  在液压系统中常会发生振源(如液压配件,液压液压马达配件,电机等)引起底板,管道等部位产生共振;或是泵,阀配件等道等元件的共振而造成较大的噪声。对于这种现象,可通过改变管道的长度来改变管道的固有振动频率,以及对一些阀配件的安装位置进行改变措施来消除。  隔离振动  对于液压系统中的主要振源(泵,电机)常采用加装橡皮垫或弹簧等措施,使之与底板(或油箱)隔离,也可采用将振源装在底板上与整个系统隔离的办法,这些都可收到良好的减振降噪的效果。