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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lk8ne37" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368872422851562/3506660.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="svekbxt" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖州集成液壓閥,液壓閥</p><p><span>***更新：</span>2021-01-09 12:17:25</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="x8hnub8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州旭展機械有限公司</a></p><p><span>聯(lián)系人：</span>邱小姐</p><p><span>郵箱: </span>2851551878@qq.com</p><p><span>電話: </span>13812753904</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://www.xu-zhan.com</p><p><span>手機: </span>138-12753904</p><p><span>地址: </span>黃埭鎮(zhèn)東橋長旺路150號</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="8qbieab" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="dr8ulxe" class="box"><p><p style="text-indent:25px">恒流量調(diào)節(jié)閥是以補償方式時行變阻力的動作，它有倆個閥瓣，一個是調(diào)節(jié)閥瓣，用于補償節(jié)流孔前后的差壓，因此可成為“補償式變阻力調(diào)節(jié)閥”其原理是：利用節(jié)流孔前后的差壓，作為補償動作的驅(qū)動力，補償并保持節(jié)流孔前后差壓的穩(wěn)定，湖州集成液壓閥，從而保持流量的恒定，調(diào)節(jié)節(jié)流孔的大小就可獲得不同的流量。因此，它既可以調(diào)節(jié)流量。也可以在系統(tǒng)水利工況變化時保持流量恒定，在系統(tǒng)中它既可恒定各個支路的流量，實現(xiàn)流量的均衡輸配，也可以隨時改變和調(diào)節(jié)各支路的流量，實現(xiàn)動態(tài)平衡。如果每年在初寒到嚴(yán)寒和嚴(yán)寒到末寒是進行倆次流量調(diào)節(jié)，即可實現(xiàn)“分階段改變流量的質(zhì)調(diào)節(jié)”的節(jié)能運行方式。恒流量調(diào)節(jié)閥的調(diào)節(jié)簡單方便，湖州集成液壓閥，湖州集成液壓閥，但對于較大的系統(tǒng)來說，每年進行倆次調(diào)節(jié)仍然是個負(fù)擔(dān)，而且恒流量調(diào)節(jié)閥的價格高，雖然當(dāng)年可以收回，但對用戶仍有較大的心理壓力。液壓閥要求：所控制的參量（壓力或流量）穩(wěn)定，受外部干擾時變化量小。湖州集成液壓閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖州集成液壓閥,液壓閥" src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368872422851562/3506660.png"></div><p style="text-indent:25px">液壓控制閥是指液壓傳動系統(tǒng)或液壓控制系統(tǒng)中用來控制液體壓力、流量和方向的元件。其中控制壓力的稱為壓力控制閥，控制流量的稱為流量控制閥，控制通、斷和流向的稱為方向控制閥。液壓控制閥（簡稱液壓閥）在液壓系統(tǒng)中的功用是通過控制調(diào)節(jié)液壓系統(tǒng)中油液的流向、壓力和流量，使執(zhí)行器及其驅(qū)動的工作機構(gòu)獲得所需的運動方向、推力（轉(zhuǎn)矩）及運動速度（轉(zhuǎn)速）等。任何一個液壓系統(tǒng)，不論其如何簡單，都不能缺少液壓閥；同一工藝目的的液壓機械設(shè)備，通過液壓閥的不同組合使用，可以組成油路結(jié)構(gòu)截然不同的多種液壓系統(tǒng)方案。因此，液壓閥是液壓技術(shù)中品種與規(guī)格較多、應(yīng)用較普遍、較活躍的部分（元件）；一個新設(shè)計或正在運轉(zhuǎn)的液壓系統(tǒng)，能否按照既定要求正?？煽康剡\行，在很大程度上取決于其中所采用的各種液壓閥的性能優(yōu)劣及參數(shù)匹配是否合理。湖州集成液壓閥換向閥：改變不同管路間的通、斷關(guān)系。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖州集成液壓閥,液壓閥" src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368872457958984/8075708.png"></div><p style="text-indent:25px">　流量閥是由一個手動調(diào)節(jié)閥組和一個自動平衡閥組組成。調(diào)節(jié)閥組作用是設(shè)定流量，自動平衡閥組作用是維持流量恒定。系統(tǒng)流體的工作壓力為P1，手動調(diào)節(jié)閥的前后壓力分別為P2、P3。當(dāng)手動調(diào)節(jié)閥調(diào)到某一位置時，即人為確定了“設(shè)定流量”Kv即手動調(diào)節(jié)閥的流量系數(shù)，流量G=Kv（P2-P3），Kv為，Kv設(shè)定后，只要P2－P3不變，則流量G不變。當(dāng)系統(tǒng)流量增大時，(P2—P3)的實際值超過了允許的給定值，此時通過感壓膜和彈簧作用使自動調(diào)節(jié)閥組自動關(guān)小，直至流量重新維持到設(shè)定流量，反之亦然。流量閥自動調(diào)節(jié)流量的有效范圍取決于工作彈簧的性能。一般流量閥前后壓差20—300kPa的范圍內(nèi)能按設(shè)定值有效控制流量。當(dāng)壓小于20kPa時，控制流量達不到設(shè)定值；壓差超過300kPa時，可能產(chǎn)生噪音。流量閥的應(yīng)用暖及空調(diào)水系統(tǒng)。較高使用溫度120℃、壓力1．6Mpa</p><p style="text-indent:25px">液控單向閥是依靠控制流體壓力，可以使單向閥反向流通的閥。這種閥在煤礦機械的液壓支護設(shè)備中占有較重要的地位。液控單向閥與普通單向閥不同之處是多了一個控制油路K，當(dāng)控制油路未接通壓力油液時，液控單向閥就象普通單向閥一樣工作，壓力油只從進油口流向出油口，不能反向流動。當(dāng)控制油路油控制壓力輸入時，活塞頂桿在壓力油作用下向右移動，用頂桿頂開單向閥，使進出油口接通。若出油口大于進油口就能使油液反向流動。液控單向閥是方向控制閥中的一種。具體分類：方向控制閥按其在液壓系統(tǒng)中的功能分為單向閥和換向閥兩大類。單向閥在液壓傳動中有普通單向閥和液控單向閥。流量控制閥按用途分為5種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖州集成液壓閥,液壓閥" src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368872448203125/2965957.png"></div><p style="text-indent:25px">比例控制閥: 這種閥是一種能使所輸出油液的參數(shù)（壓力、流量和方向）隨輸入電信號參數(shù)（電流、電壓）的變化而成比例的液壓控制閥，集開關(guān)式電液控制元件和伺服式電液控制元件的優(yōu)點于一體，不僅能開環(huán)控制，也可加入反饋環(huán)節(jié)構(gòu)成閉環(huán)控制，其良好的靜態(tài)性能可滿足一般工業(yè)控制要求的動態(tài)性能。此外，與電液伺服閥類似，其不僅可控制油液流動的方向，也可根據(jù)輸入電流信號的大小連續(xù)的控制油流的流量和壓力大小。雖然控制精度比電液伺服閥稍顯遜色，但在油液污染、加工裝配精度和使用要求等方面均更占優(yōu)勢。比例壓力控制閥的輸出壓力較高或通徑較大時，用調(diào)壓彈簧直接調(diào)壓。湖州集成液壓閥</p><p style="text-indent:25px">壓力閥，主要是用來滿足對執(zhí)行機構(gòu)提出的力或力矩的要求。湖州集成液壓閥</p><p style="text-indent:25px">對所有的液壓系統(tǒng)而言，均是由液壓執(zhí)行元件（包括液壓缸與液壓馬達）按指定要求的工作順序以實現(xiàn)循環(huán)動作，對外輸出一定的功率（壓力F×流量S），完成相應(yīng)的動作，平穩(wěn)且協(xié)調(diào)的持續(xù)運行，這就必須對液壓系統(tǒng)的壓力流量和液流方向加以控制和調(diào)節(jié)。在液壓系統(tǒng)中，目前可控制和調(diào)節(jié)壓力、流量、液流方向的方式分兩種：第1種是容積式控制（泵控），第二種是節(jié)流式控制（閥控），本期我們就第二種閥控予以講解。作為一種以節(jié)流的方式以控制液壓系統(tǒng)的壓力、流量和液流方向的液壓元件，可分為三大類，即普通的通斷式開關(guān)閥、伺服閥與比例閥。湖州集成液壓閥</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2773239.html</p></div></div></div></div></div><div id="db8pl2s" class="page-right twoColRt"><div id="wvz32so" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rv2fr2m" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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