
威海力建液壓設備廠
經營模式:生產(chan)加工
地(di)址:山(shan)東省威海市(shi)羊亭孫家(jia)灘工業園
主營:液壓缸,油缸,液壓系統
業(ye)務熱線:
QQ:3049278720
液(ye)壓(ya)系(xi)統是(shi)一種以油(you)液(ye)作為工(gong)作介(jie)質,利用油(you)液(ye)的壓(ya)力能(neng)(neng)并通過控制閥門等附件(jian)(jian)操縱液(ye)壓(ya)執行(xing)機(ji)構(gou)工(gong)作的整(zheng)套裝(zhuang)置(zhi),包括動力元(yuan)(yuan)件(jian)(jian)、執行(xing)元(yuan)(yuan)件(jian)(jian)、控制元(yuan)(yuan)件(jian)(jian)、輔助元(yuan)(yuan)件(jian)(jian)(附件(jian)(jian))和(he)液(ye)壓(ya)油(you)。原(yuan)動機(ji)的輸(shu)出特(te)性往往不能(neng)(neng)和(he)執行(xing)機(ji)構(gou)的要(yao)(yao)求(力,速(su)度,位移)理想匹配。因此,就(jiu)需要(yao)(yao)某(mou)種傳動裝(zhuang)置(zhi),將(jiang)原(yuan)動機(ji)的輸(shu)出量進(jin)行(xing)適當(dang)變換(huan),使其滿足工(gong)作機(ji)構(gou)的要(yao)(yao)求。液(ye)壓(ya)系(xi)統就(jiu)是(shi)用液(ye)壓(ya)原(yuan)理來(lai)實現(xian)這種變換(huan)功能(neng)(neng)的裝(zhuang)置(zhi)。
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動,除(chu)本身具有(you)一(yi)定的振幅和(he)頻率外,同時還伴(ban)隨著(zhu)噪聲。它不僅使液(ye)壓系(xi)(xi)統(tong)引起故障,也有(you)害于人類(lei)身體健康。所(suo)以(yi),在液(ye)壓傳動中通常把噪聲級(ji)限(xian)制在80dB以(yi)下(xia)。液(ye)壓系(xi)(xi)統(tong)產(chan)生噪聲的原因主要(yao)有(you)以(yi)下(xia)幾個方面:
機械系統振動引起的噪聲
1)皮帶(dai)輪(lun)、聯(lian)軸器、齒輪(lun)、回轉體的不平(ping)衡和滾動(dong)軸承的滾動(dong)體發生振動(dong);
2)液(ye)壓泵軸(zhou)(zhou)與電機軸(zhou)(zhou)不同(tong)心或聯軸(zhou)(zhou)器(qi)松動;
3)管道支(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(ling)件加(jia)工及裝(zhuang)配(pei)精度不(bu)高;
2)泵(beng)的“困油(you)”未得(de)到圓滿解決,流(liu)量和壓力脈動較大(da);
3)軸承質(zhi)量不好等。
系統迷瞪不嚴引起的噪聲
1)系統進入空氣是(shi)液壓系統產(chan)生噪聲(sheng)的(de)主要原因。
液壓控(kong)制閥(fa)失靈引起的(de)噪聲
1)溢流(liu)閥的調壓(ya)彈簧疲(pi)勞(lao)或(huo)端面與軸(zhou)心線垂直度不良(liang);
2)閥(fa)芯(xin)上的小孔堵塞;
3)閥芯在(zai)閥體內移(yi)動不(bu)靈活;
4)閥體內流動液體對閥壁的沖(chong)擊;
5)流動液體的渦流或流體剪切等。
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液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)站又(you)稱(cheng)為液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)站,系(xi)統(tong)(tong)元件主要(yao)是由液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)、液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)缸、液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)馬達(da)、液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)閥(fa)等(deng)構成(cheng)(cheng)的(de)。液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)是液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)的(de)心臟,簡稱(cheng)油(you)泵(beng)(beng)(beng)(beng)。在液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)中(zhong),一定至(zhi)少有一個泵(beng)(beng)(beng)(beng)。液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)是一種能(neng)量轉(zhuan)換(huan)裝(zhuang)置,它(ta)的(de)作用是使(shi)液(ye)(ye)(ye)體(ti)發生運動,把(ba)機械能(neng)轉(zhuan)換(huan)成(cheng)(cheng)流體(ti)能(neng)(也叫做液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)能(neng))。液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)
泵是液壓傳動(dong)系(xi)統中(zhong)的動(dong)力(li)元件,由(you)原動(dong)機(ji)(ji)驅動(dong),從原動(dong)機(ji)(ji)的輸出(chu)功率(lv)中(zhong)取出(chu)機(ji)(ji)械能(neng)(neng),為(wei)系(xi)統提供壓力(li)油液。然(ran)后(hou),在需要做(zuo)功的場所(suo),由(you)執行元件(液壓缸或液壓馬達)再把流體壓力(li)能(neng)(neng)轉換成機(ji)(ji)械能(neng)(neng)輸出(chu)。