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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jy32mif" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廣東常用液壓產(chǎn)品工廠,液壓</p><p><span>***更新：</span>2020-12-06 05:15:11</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dhzwyfh" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海邁頜信息科技有限公司</a></p><p><span>聯(lián)系人：</span>王欽</p><p><span>郵箱: </span>834334323@qq.com</p><p><span>電話(huà): </span>18917232386</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.maihetech.com</p><p><span>手機(jī): </span>021-62086881</p><p><span>地址: </span>上海市松江區(qū)九亭鎮(zhèn)九亭中心路1158號(hào)21幢708室-2A</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="sh888pr" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="hmel7hj" class="box"><p><p style="text-indent:25px">液壓快速接頭的運(yùn)行操作：1.要避免存留臟物、雜物進(jìn)入液壓快速接頭減壓保障系統(tǒng)。新建或者改造工程的減壓系統(tǒng)管網(wǎng)，很可能遺留沙粒、麻絲、雜物。投運(yùn)前，一般都應(yīng)進(jìn)行水沖洗，滿(mǎn)足清潔要求后，后裝上液壓快速接頭和過(guò)濾器濾芯，這樣才能避免雜物流入液壓快速接頭，杜絕液壓快速接頭卡芯現(xiàn)象。在系統(tǒng)進(jìn)入工作后，保障減壓系統(tǒng)的水流暢通與否，與設(shè)置在系統(tǒng)上的過(guò)濾器流通能力關(guān)系密切，廣東常用液壓產(chǎn)品工廠，如濾芯被雜物嚴(yán)重吸附，則會(huì)影響液壓快速接頭的工作，為此必需對(duì)過(guò)濾器進(jìn)行定期檢查，及時(shí)去除污穢。實(shí)踐表明這項(xiàng)工作2至3個(gè)月必須進(jìn)行一次，有些可調(diào)式(彈簧式，廣東常用液壓產(chǎn)品工廠、薄膜式)液壓快速接頭，其主接頭或者導(dǎo)接頭自身設(shè)置過(guò)濾器，廣東常用液壓產(chǎn)品工廠，同樣需要定期拆洗濾芯。液壓快速接頭其優(yōu)點(diǎn)是響應(yīng)時(shí)間快，通過(guò)反饋系統(tǒng)對(duì)速度，位置和轉(zhuǎn)矩進(jìn)行準(zhǔn)確地控制。廣東常用液壓產(chǎn)品工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東常用液壓產(chǎn)品工廠,液壓" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233206669922/9164507.png"></div><p style="text-indent:25px">液壓快速接頭是通過(guò)調(diào)節(jié)，將進(jìn)口壓力減至某一需要的出口壓力，并依靠介質(zhì)本身的能量，使出口壓力自動(dòng)保持穩(wěn)定的接頭。從流體力學(xué)的觀點(diǎn)看，液壓快速接頭是一個(gè)局部阻力可以變化的節(jié)流元件，即通過(guò)改變節(jié)流面積，使流速及流體的動(dòng)能改變，造成不同的壓力損失，從而達(dá)到減壓的目的。然后依靠控制與調(diào)節(jié)系統(tǒng)的調(diào)節(jié)，使接頭后壓力的波動(dòng)與彈簧力相平衡，使接頭后壓力在一定的誤差范圍內(nèi)保持恒定。按結(jié)構(gòu)形式可分為薄膜式、彈簧薄膜式、活塞式、杠桿式和波紋管式；按接頭座數(shù)目可分為單座式和雙座式；按接頭瓣的位置不同可分為正作用式和反作用式。廣東液壓元件液壓快速接頭初次使用時(shí)要檢查設(shè)備的狀態(tài)是否正常。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東常用液壓產(chǎn)品工廠,液壓" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233241445312/1170768.png"></div><p style="text-indent:25px">液壓快速接頭選用說(shuō)明：液壓快速接頭的應(yīng)用范圍很廣，在蒸汽、壓縮空氣、工業(yè)用氣、水、油和許多其他液體介質(zhì)的設(shè)備和管路上均可使用，介質(zhì)流經(jīng)液壓快速接頭出口處的量，一般用質(zhì)量流量或體積流量表示；波紋管直接作用式液壓快速接頭適用于低壓、中小口徑的蒸汽介質(zhì)；薄膜直接作用式液壓快速接頭適用于中低壓、中小口徑的空氣、水介質(zhì)；先導(dǎo)活塞式液壓快速接頭，適用于各種壓力、各種口徑、各種溫度的蒸汽、空氣和水介質(zhì)，若用不銹耐酸鋼制造，可適用于各種腐蝕性介質(zhì)；先導(dǎo)波紋管式液壓快速接頭，適用于低壓、中小口徑的蒸汽、空氣等介質(zhì)；</p><p style="text-indent:25px">液壓快速接頭快易優(yōu)自動(dòng)化選型有收錄。該接頭的特點(diǎn)，是在進(jìn)口壓力不斷變化的情況下，保持出口壓力和溫度值在一定的范圍內(nèi)。定比減壓原理是利用接頭體中浮動(dòng)活塞的水壓比控制，進(jìn)出口端減壓比與進(jìn)出口側(cè)活塞面積比成反比。在某些減壓控制回路中，液壓快速接頭的出口壓力是用來(lái)控制電液換向接頭或外控順序接頭等的控制油液壓力大小的，當(dāng)電液換向接頭或外控順序接頭換向或工作后，液壓快速接頭出油口流量變?yōu)榱?，但壓力還需保持原先調(diào)定的壓力。這種情況下，因接頭出口流量為零，流經(jīng)減壓口的流量只有先導(dǎo)流量。由于先導(dǎo)流量很少，一般在2L/min之內(nèi)，因此主接頭減壓口基本上接近全關(guān)位置（開(kāi)度極?。葘?dǎo)流量由三角槽或斜錐面處流出，如果主接頭芯配合過(guò)松或磨損過(guò)大，則泄漏量增加。液壓快速接頭噴嘴拆裝方便，便于維修；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東常用液壓產(chǎn)品工廠,液壓" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233423115234/9867896.png"></div><p style="text-indent:25px">先導(dǎo)式液壓快速接頭當(dāng)液壓快速接頭的輸出壓力較高或通徑較大時(shí)，用調(diào)壓彈簧直接調(diào)壓，則彈簧剛度必然過(guò)大，流量變化時(shí)，輸出壓力波動(dòng)較大，接頭的結(jié)構(gòu)尺寸也將增大。為了克服這些缺點(diǎn)，可采用先導(dǎo)式液壓快速接頭。先導(dǎo)式液壓快速接頭的工作原理與直動(dòng)式的基本相同。先導(dǎo)式液壓快速接頭所用的調(diào)壓氣體，是由小型的直動(dòng)式液壓快速接頭供給的。若把小型直動(dòng)式液壓快速接頭裝在接頭體內(nèi)部，則稱(chēng)為內(nèi)部先導(dǎo)式液壓快速接頭；若將小型直動(dòng)式液壓快速接頭裝在主接頭體外部，則稱(chēng)為外部先導(dǎo)式液壓快速接頭。與直動(dòng)式液壓快速接頭相比，增加了由噴嘴、擋板、固定節(jié)流孔及氣室所組成的噴嘴擋板放大環(huán)節(jié)。當(dāng)噴嘴與擋板之間的距離發(fā)生微小變化時(shí)，就會(huì)使壓力發(fā)生根明顯的變化，從而引起膜片有較大的位移，去控制接頭芯的上下移動(dòng)，使進(jìn)氣接頭口開(kāi)大或關(guān)小、提高了對(duì)接頭芯控制的靈敏度，即提高了穩(wěn)壓精度。液壓快速接頭安裝時(shí)盡量由專(zhuān)業(yè)人員來(lái)進(jìn)行具體的操作。山東卷管器液壓元件</p><p style="text-indent:25px">液壓快速接頭可以實(shí)現(xiàn)自動(dòng)調(diào)節(jié)。廣東常用液壓產(chǎn)品工廠</p><p style="text-indent:25px">水流量通過(guò)液壓快速接頭雖有很大的水頭損失，但由于減少了水的浪費(fèi)并使系統(tǒng)流量分布合理、改善了系統(tǒng)布局與工況，因此總體上仍是節(jié)能的。介質(zhì)為蒸汽的場(chǎng)合，宜選用先導(dǎo)活塞式液壓快速接頭或先導(dǎo)接頭波紋管式液壓快速接頭。為了操作、調(diào)整和維修的方便，液壓快速接頭一般應(yīng)安裝在水平管道上。液壓快速接頭工作原理：液壓快速接頭是采用控制接頭體內(nèi)的啟閉件的開(kāi)度來(lái)調(diào)節(jié)介質(zhì)的流量，將介質(zhì)的壓力降低，同時(shí)借助接頭后壓力的作用調(diào)節(jié)啟閉件的開(kāi)度，使接頭后壓力保持在一定范圍內(nèi)，并在接頭體內(nèi)或接頭后噴入冷卻水，將介質(zhì)的溫度降低，這種接頭稱(chēng)為減壓減溫接頭。廣東常用液壓產(chǎn)品工廠</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2286213.html</p></div></div></div></div></div><div id="shj7c7k" class="page-right twoColRt"><div id="ixpcjls" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ue2a88k" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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