
威海力建液壓設備廠
經營模式(shi):生產加工
地址:山(shan)東省威(wei)海市羊亭孫家灘工(gong)業園(yuan)
主營:液(ye)壓缸,油缸,液(ye)壓系統
業務熱(re)線:
QQ:3049278720
動,除本身具(ju)有一定的振幅和頻(pin)率外,同時(shi)還(huan)伴隨著噪聲。它不僅使(shi)液壓(ya)系統(tong)引(yin)起故(gu)障(zhang),也有害于(yu)人類身體(ti)健康。所(suo)以,在(zai)液壓(ya)傳(chuan)動中(zhong)通(tong)常把噪聲級(ji)限制(zhi)在(zai)80dB以下。液壓(ya)系統(tong)產(chan)生噪聲的原因主要(yao)有以下幾個方面:
機械系統振動引起的噪聲
1)皮帶(dai)輪、聯軸器、齒輪、回轉體的不平衡和滾動軸承的滾動體發生(sheng)振動;
2)液壓泵軸與電機軸不同心或聯(lian)軸器松動;
3)管道(dao)支(zhi)承不(bu)良等。
液壓泵和液壓馬達質量不好引起的噪聲
1)零件加工及裝配精度不高;
2)泵的“困油”未得(de)到圓(yuan)滿解(jie)決,流量和壓力(li)脈動較大;
3)軸承質量(liang)不好等。
系統迷瞪不嚴引起的噪聲
1)系(xi)統(tong)進入空(kong)氣是(shi)液壓系(xi)統(tong)產生噪聲(sheng)的主要原因。
液壓控制閥失(shi)靈引起(qi)的噪聲
1)溢流閥的調壓(ya)彈簧(huang)疲勞或(huo)端面與軸心線垂直度不良;
2)閥芯(xin)上的小(xiao)孔堵塞;
3)閥芯在閥體(ti)內移動不靈活;
4)閥體(ti)內流動液體(ti)對閥壁的(de)沖擊(ji);
5)流(liu)動(dong)液體的渦(wo)流(liu)或流(liu)體剪(jian)切(qie)等。
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液(ye)壓制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)系統產生制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)效(xiao)能不良的原因,一般可根據制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)踏板(ban)(ban)行(xing)程(俗(su)稱高(gao)、低)、踏制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)踏板(ban)(ban)時的軟硬感覺(jue)、踏下制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)踏板(ban)(ban)后的穩定性以(yi)及邊(bian)疆多腳制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)時踏板(ban)(ban)高(gao)度來(lai)判斷。
1.連續(xu)幾腳制(zhi)動(dong)時,踏(ta)板(ban)(ban)高(gao)度(du)仍過低,且(qie)在(zai)第二(er)腳制(zhi)動(dong)后,感到總(zong)泵活塞未回位(wei),踏(ta)下(xia)制(zhi)動(dong)踏(ta)板(ban)(ban)即有總(zong)泵推桿(gan)與活塞碰(peng)擊響(xiang)聲,是總(zong)泵皮碗裂(lie)縫(feng)或其連續(xu)幾腳,回位(wei)彈(dan)簧(huang)太軟。
2.連(lian)續幾腳制(zhi)(zhi)動時踏板高度稍有高,并有彈性,說明制(zhi)(zhi)動管(guan)路中滲(shen)入了空氣。
3.連(lian)續幾腳,踏(ta)板均被踏(ta)到底(di),并(bing)感到踏(ta)板毫無反力,說明總泵(beng)儲液室內制動液嚴(yan)重(zhong)虧(kui)損(sun)。
上述圖片(pian)僅供參考,詳細產品詳情請(qing)咨(zi)詢我(wo)(wo)們,更多型號請(qing)訪(fang)問(wen)我(wo)(wo)們的網站或(huo)致(zhi)電我(wo)(wo)們了解'。謝謝
液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)站又稱(cheng)為液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)站,系(xi)統(tong)(tong)元件主要是由液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)、液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)缸、液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)馬(ma)達、液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)閥等構成的(de)(de)。液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)是液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)系(xi)統(tong)(tong)的(de)(de)心臟,簡稱(cheng)油泵(beng)(beng)。在液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)系(xi)統(tong)(tong)中,一定至(zhi)少有一個(ge)泵(beng)(beng)。液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)是一種能(neng)量轉換(huan)裝置,它的(de)(de)作用(yong)是使液(ye)(ye)(ye)(ye)(ye)體發生運動,把機械能(neng)轉換(huan)成流體能(neng)(也叫做(zuo)液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)能(neng))。液(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)系(xi)統(tong)(tong)
泵是液壓傳動(dong)(dong)系(xi)(xi)統(tong)中的(de)動(dong)(dong)力元(yuan)件(jian),由原(yuan)動(dong)(dong)機(ji)(ji)驅動(dong)(dong),從原(yuan)動(dong)(dong)機(ji)(ji)的(de)輸出功率中取出機(ji)(ji)械能,為系(xi)(xi)統(tong)提供壓力油(you)液。然后,在(zai)需要做功的(de)場所,由執(zhi)行(xing)元(yuan)件(jian)(液壓缸或(huo)液壓馬達(da))再(zai)把流體壓力能轉(zhuan)換成機(ji)(ji)械能輸出。