
威海力建液壓設(she)備廠
經營(ying)模式(shi):生產加(jia)工
地址(zhi):山東(dong)省威海市羊亭孫家灘工(gong)業園(yuan)
主營:液壓缸,油缸,液壓系統(tong)
業(ye)務熱線:
QQ:3049278720
.減少沖擊(ji)和(he)振動(dong)(dong)。為了減少承受沖擊(ji)和(he)振動(dong)(dong)的管接頭松動(dong)(dong)引起的泄漏,可以采(cai)取以下措(cuo)施(shi):
(1)使(shi)用減震支(zhi)架固定(ding)所(suo)有(you)管子以便吸收沖擊(ji)和(he)振動(dong);
(2)使(shi)用(yong)低沖擊閥或(huo)蓄能器來減(jian)少沖擊;
(3)適當布置壓(ya)力控制(zhi)閥來保護(hu)系統(tong)的所(suo)有元件;
(4)盡(jin)量(liang)(liang)減少(shao)管(guan)接(jie)(jie)頭的使(shi)用數量(liang)(liang),管(guan)接(jie)(jie)頭盡(jin)量(liang)(liang)用焊接(jie)(jie)連接(jie)(jie);
(5)使用直螺紋接(jie)頭(tou),三(san)通(tong)接(jie)頭(tou)和彎頭(tou)代替(ti)錐管(guan)螺紋接(jie)頭(tou);
(6)盡(jin)量(liang)用回油(you)塊(kuai)代替(ti)各個配管;
(7)針對使用(yong)的高壓力,規定安裝(zhuang)時使用(yong)螺(luo)栓的扭矩和(he)堵頭扭矩,防止(zhi)結合面和(he)密封(feng)件被蠶(can)食;
(8)正確安(an)裝管接頭
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液(ye)壓傳動中用來控制液(ye)體壓力、流量和方(fang)向的(de)(de)元件。其(qi)中控制通、斷和流向的(de)(de)稱為方(fang)向控制閥。
方(fang)向控制閥(fa)按用途分為單(dan)向閥(fa)和換(huan)向閥(fa)。
1、單向閥:只允許流體(ti)在管道中單向接通,反向即(ji)切(qie)斷(duan)。
2、換(huan)向閥(fa):改變(bian)不同(tong)管路間的(de)通(tong)(tong)、斷關系、根據閥(fa)芯(xin)在(zai)閥(fa)體(ti)中(zhong)的(de)工作位(wei)(wei)(wei)(wei)置(zhi)數分(fen)兩(liang)位(wei)(wei)(wei)(wei)、三(san)(san)位(wei)(wei)(wei)(wei)等(deng);根據所控制的(de)通(tong)(tong)道數分(fen)兩(liang)通(tong)(tong)、三(san)(san)通(tong)(tong)、四通(tong)(tong)、五(wu)(wu)通(tong)(tong)等(deng);如二位(wei)(wei)(wei)(wei)二通(tong)(tong)、三(san)(san)位(wei)(wei)(wei)(wei)三(san)(san)通(tong)(tong),三(san)(san)位(wei)(wei)(wei)(wei)五(wu)(wu)通(tong)(tong)等(deng)根據閥(fa)芯(xin)驅動(dong)方式分(fen)手動(dong)、機動(dong)、電(dian)磁、液動(dong)等(deng)。
60年代后期,在(zai)上述(shu)幾(ji)種液(ye)(ye)(ye)壓(ya)控(kong)(kong)制(zhi)閥(fa)的基(ji)礎上又研(yan)制(zhi)出電(dian)液(ye)(ye)(ye)比(bi)(bi)例(li)控(kong)(kong)制(zhi)閥(fa)。它的輸(shu)出量(liang)(壓(ya)力(li)、流量(liang))能(neng)隨(sui)輸(shu)入(ru)的電(dian)信號連續變化。電(dian)液(ye)(ye)(ye)比(bi)(bi)例(li)控(kong)(kong)制(zhi)閥(fa)按作用不同(tong),相應地(di)分為電(dian)液(ye)(ye)(ye)比(bi)(bi)例(li)壓(ya)力(li)控(kong)(kong)制(zhi)閥(fa)、電(dian)液(ye)(ye)(ye)比(bi)(bi)例(li)流量(liang)控(kong)(kong)制(zhi)閥(fa)和電(dian)液(ye)(ye)(ye)比(bi)(bi)例(li)方向控(kong)(kong)制(zhi)閥(fa)等。
上(shang)述圖(tu)片(pian)僅(jin)供參考,詳(xiang)(xiang)細(xi)產品詳(xiang)(xiang)情請咨詢我們,更多型號請訪問我們的網站或(huo)致電(dian)我們了解(jie)'。謝(xie)謝(xie)
液(ye)(ye)壓(ya)(ya)(ya)(ya)閥在(zai)液(ye)(ye)壓(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)中的(de)(de)(de)(de)工(gong)作(zuo)(zuo)方式是(shi)閥體和閥芯相(xiang)(xiang)對運(yun)動,這種工(gong)作(zuo)(zuo)方式不(bu)(bu)可避免(mian)的(de)(de)(de)(de)就(jiu)是(shi)磨損(sun)。液(ye)(ye)壓(ya)(ya)(ya)(ya)閥的(de)(de)(de)(de)閥體和閥芯進行相(xiang)(xiang)對運(yun)動的(de)(de)(de)(de)過程中,會不(bu)(bu)斷(duan)的(de)(de)(de)(de)摩(mo)擦(ca),在(zai)工(gong)作(zuo)(zuo)一(yi)段(duan)時間(jian)(jian)后,液(ye)(ye)壓(ya)(ya)(ya)(ya)閥各元件之間(jian)(jian)的(de)(de)(de)(de)尺(chi)寸、形狀、質(zhi)量(liang)等發生變(bian)化,不(bu)(bu)再是(shi)液(ye)(ye)壓(ya)(ya)(ya)(ya)閥原有(you)的(de)(de)(de)(de)特性(xing),在(zai)液(ye)(ye)壓(ya)(ya)(ya)(ya)閥工(gong)作(zuo)(zuo)中就(jiu)會失效,出現故障。例如(ru),在(zai)液(ye)(ye)壓(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)中的(de)(de)(de)(de)減(jian)壓(ya)(ya)(ya)(ya)閥工(gong)作(zuo)(zuo)中,錐(zhui)閥和閥座(zuo)之間(jian)(jian)因為長時間(jian)(jian)的(de)(de)(de)(de)摩(mo)擦(ca)、磨損(sun),造成零(ling)件之間(jian)(jian)的(de)(de)(de)(de)配合度不(bu)(bu)好,在(zai)液(ye)(ye)壓(ya)(ya)(ya)(ya)系(xi)統(tong)(tong)中,減(jian)壓(ya)(ya)(ya)(ya)閥就(jiu)無法起到減(jian)壓(ya)(ya)(ya)(ya)的(de)(de)(de)(de)作(zuo)(zuo)用。