產(chǎn)品詳情
黎翔機(jī)電REXROTH德國力士樂銷售部詢價(jià)聯(lián)系人:何小姐
REXROTH德國力士樂詢價(jià)電話:15072720048
REXROTH德國力士樂詢價(jià) QQ:3206749044
REXROTH德國力士樂詢價(jià)郵箱:[email protected]順序閥與溢流閥的主要區(qū)別為:
(1)順序閥只有開啟和切斷兩種狀態(tài),不象溢流閥那樣有自動(dòng)穩(wěn)壓調(diào)節(jié)作用;
(2)順序閥進(jìn)出油口都是壓力油路,所以它的泄油口必須單獨(dú)引回油箱,而溢流閥則和出口合并一同流回油箱。
(3)順序閥的進(jìn)、出油口一經(jīng)接通,油液通過該閥的壓力損失較小,而溢流閥處于溢流狀態(tài)時(shí),壓力損失一般較大。
四、壓力繼電器
壓力繼電器是利用液體壓力信號(hào)控制電氣觸點(diǎn)通斷的液壓電氣轉(zhuǎn)換元件,當(dāng)油液的壓力達(dá)到其設(shè)定壓力時(shí),壓力繼電器發(fā)出電信號(hào),以控制電氣元件動(dòng)作,實(shí)現(xiàn)執(zhí)行元件的順序動(dòng)作或系統(tǒng)的安全保護(hù)和動(dòng)作互鎖。
按結(jié)構(gòu)特點(diǎn)分為柱塞式、彈簧管式和膜片式。主要零件包括柱塞調(diào)節(jié)螺帽和電氣微動(dòng)開關(guān)。壓力油作用在柱塞下端,液壓力直接與彈簧力比較。當(dāng)液壓力大于或等于彈簧力時(shí),柱塞向上移壓微動(dòng)開關(guān)觸頭,接通或斷開電氣線路。反之,微動(dòng)開關(guān)觸頭復(fù)位。 DSV38BS2
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