力(li)士樂(le)REXROTH溢(yi)流閥我(wo)們(men)有壹(yi)手(shou)價格(ge)
REXROTH溢(yi)流閥的(de)功(gong)能:
定(ding)壓溢(yi)流作用:在定(ding)量泵(beng)節流調節(jie)系(xi)統(tong)中(zhong),定(ding)量泵(beng)提供的(de)是(shi)恒定(ding)流量。當(dang)系統(tong)壓力(li)增大(da)時,會(hui)使流量需(xu)求(qiu)減(jian)小(xiao)。此(ci)時溢(yi)流閥開(kai)啟,使多余(yu)流量溢(yi)回(hui)油箱(xiang),保(bao)證(zheng)溢(yi)流閥進(jin)口壓力,即泵出口壓力恒定(ding)(閥口常(chang)隨(sui)壓力(li)波動(dong)開(kai)啟)。
安(an)全(quan)保(bao)護(hu)作用(yong):系統(tong)正常(chang)工(gong)作(zuo)時,閥門(men)關(guan)閉。只(zhi)有(you)負載超過規(gui)定(ding)的(de)極(ji)限(系(xi)統(tong)壓力(li)超過調定(ding)壓力)時開啟溢(yi)流,進行過載保護(hu),使系(xi)統(tong)壓力(li)不再(zai)增加(jia)(通常(chang)使溢(yi)流閥的(de)調定(ding)壓力比系(xi)統(tong)zui高(gao)工(gong)作(zuo)壓力(li)高(gao)10%~20%)。
1、作(zuo)卸(xie)荷(he)閥用(yong) ;
2、作(zuo)遠程(cheng)調壓(ya)閥;
3、作(zuo)高(gao)低(di)壓(ya)多級(ji)控(kong)制(zhi)閥;
4、作(zuo)順序閥;
5、用(yong)於產(chan)生(sheng)背(bei)壓(ya)(串(chuan)在回(hui)油路(lu)上(shang))。
力士樂(le)溢(yi)流閥是(shi)壹(yi)種(zhong)液壓(ya)壓(ya)力控制(zhi)閥。在液壓(ya)設(she)備(bei)中(zhong)主要(yao)起定(ding)壓溢(yi)流作用,穩(wen)壓(ya),系統(tong)卸荷(he)和安(an)全(quan)保(bao)護(hu)作用(yong)。力士樂(le)ZDBK/Z2DBK先導(dao)式(shi)溢(yi)流閥的(de)特點:ZDBK/Z2DBK系列是(shi)疊加(jia)式(shi)閥門(men)
-安(an)裝面(mian)按din 24 340 a型,iso4401和 cetop-rp 121h,帶(dai)定(ding)位針(zhen)
-3種(zhong)壓力等級(ji)
-有(you)5種(zhong)有效(xiao)流向(xiang)可(ke)選
-帶(dai)壹(yi)個(ge)或(huo)兩個插(cha)裝(zhuang)溢(yi)流閥
-調節(jie)元素(su):帶(dai)護(hu)罩的(de)六角套(tao)筒(tong)螺(luo)釘(ding)
德(de)國REXROTH先(xian)導(dao)型(xing)溢(yi)流閥的(de)導(dao)閥部(bu)分(fen)結構(gou)尺寸(cun)較(jiao)小,調壓(ya)彈(dan)簧不必(bi)很強(qiang),因此(ci)壓力調整比較(jiao)輕便(bian)。但因先(xian)導(dao)型(xing)溢(yi)流閥要(yao)在先(xian)導(dao)閥和主閥都(dou)動作後(hou)才(cai)能起控(kong)制(zhi)作(zuo)用(yong),因此(ci)反應(ying)不如(ru)直動(dong)型(xing)溢(yi)流閥靈敏。
與(yu)三節同(tong)心(xin)結(jie)構相比,二(er)節(jie)同(tong)心(xin)結(jie)構的(de)特點是(shi):①主閥芯(xin)僅與(yu)閥套(tao)和主閥座有同心(xin)度要求(qiu),免(mian)去了(le)與(yu)閥蓋(gai)的(de)配(pei)合,故結構(gou)簡(jian)單(dan),加(jia)工(gong)和裝配(pei)方便(bian)。②過流面積大(da),在相同流量的(de)情況下(xia),主(zhu)閥開(kai)啟高(gao)度小;或(huo)者(zhe)在相同開(kai)啟高(gao)度的(de)情況下(xia),其(qi)通流能力大(da),因此(ci),可(ke)做(zuo)得(de)體積小、重(zhong)量輕(qing)。③主閥芯(xin)與(yu)閥套(tao)可(ke)以(yi)通用化(hua),便(bian)於組織(zhi)批量生(sheng)產(chan)。下(xia)面(mian)我(wo)們(men)就(jiu)以(yi)力(li)士樂(le)DB型溢(yi)流閥為例(li)來(lai)對(dui)力士樂(le)溢(yi)流閥的(de)工(gong)作(zuo)原(yuan)理(li)進行壹(yi)下(xia)詳(xiang)細(xi)描述(shu)。
REXROTH溢(yi)流閥的(de)工(gong)作(zuo)原(yuan)理(li)
力士樂(le)DB型閥是(shi)先導(dao)控(kong)制(zhi)式(shi)的(de)溢(yi)流閥;力(li)士樂(le)DBW型閥是(shi)先導(dao)控(kong)制(zhi)式(shi)的(de)電(dian)磁溢(yi)閥。力(li)士樂(le)DB型閥是(shi)用來(lai)控(kong)制(zhi)液壓(ya)系(xi)統(tong)的(de)壓(ya)力;力(li)士樂(le)DBW型閥也(ye)可(ke)以(yi)控制(zhi)液壓(ya)系(xi)統(tong)的(de)壓(ya)力,並且能在任(ren)意(yi)時刻使(shi)系(xi)統(tong)卸荷(he)。力(li)士樂(le)DB型閥主(zhu)要(yao)是(shi)由先(xian)導(dao)閥和主閥組成(cheng)。力(li)士樂(le)DBW型閥是(shi)由電(dian)磁換(huan)向(xiang)閥、先(xian)導(dao)閥和主閥組成(cheng)。
力(li)士樂(le)REXROTH溢(yi)流閥我(wo)們(men)有壹(yi)手(shou)價格(ge),*型號如(ru)下(xia):
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力(li)士樂(le)REXROTH溢(yi)流閥我(wo)們(men)有壹(yi)手(shou)價格(ge),更多REXROTH閥門(men)的(de)優惠資(zi)訊,請(qing)關(guan)註(zhu)我(wo)公(gong)司動態(tai),或者(zhe)來(lai)電(dian)垂詢!