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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hlczla9" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/dxdqjt/637251367767929687/9974569.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="q2etpba" 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>北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售,電</p><p><span>***更新：</span>2021-01-21 20:01:21</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="zdamtvk" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海鼎新電氣（集團(tuán)）有限公司</a></p><p><span>聯(lián)系人：</span>陳玲玉</p><p><span>郵箱: </span>jiuqulin@163.com</p><p><span>電話(huà): </span>13774466561</p><p><span>傳真: </span>021_69110396</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-39557070</p><p><span>地址: </span>金園六路588號(hào)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="q7z28fe" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="trtqn3o" class="box"><p><p style="text-indent:25px">檢查汽車(chē)發(fā)動(dòng)機(jī)不發(fā)電時(shí)，可以診斷中提高發(fā)動(dòng)機(jī)轉(zhuǎn) ；開(kāi)大燈，如電流表指針?biāo)查g的偏轉(zhuǎn)放電方向，則為發(fā)電機(jī)與調(diào)節(jié)器工作正常，而是蓄電池充電已足；若電流表指針較大的偏向放電方向，則故障在發(fā)電機(jī)或調(diào)節(jié)器，應(yīng)檢查充電線(xiàn)路各接頭是否良好，風(fēng)扇皮帶是否過(guò)松及發(fā)電機(jī)、調(diào)節(jié)器的技術(shù)狀況。首先驗(yàn)證充電系統(tǒng)是否確實(shí)有故障，將發(fā)動(dòng)機(jī)置于中速運(yùn)轉(zhuǎn)，在開(kāi)前照燈的瞬間，電流表指針偏向“+”方向或保持原位不動(dòng)，為蓄電池已充足電，充電系統(tǒng)工作正常。如果電流表指針偏向“一”方向，北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售，為充電系統(tǒng)有故障，應(yīng)予檢修，北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售。柴油發(fā)電機(jī)組可提供3KW～1000KW各種規(guī)格普通型、自動(dòng)化，北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售、低噪音及移動(dòng)式等***、低能耗的發(fā)電機(jī)組。北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售,電" src="https://tyunfile.71360.com/UploadFile/dxdqjt/637251367767929687/9974569.jpg"></div><p> 柴油發(fā)電機(jī)發(fā)出著火敲擊聲的診斷與處理方法有哪些？下面分享其中三種方法。 </p> <p> 方法一：如果采用半斷油試驗(yàn)，響聲只減弱而不消失，必須完全斷油后響聲才能消失，則說(shuō)明是該缸供油時(shí)間過(guò)早或噴油器霧化質(zhì)量差引起的著火敲擊響聲。應(yīng)注意檢查該缸的供油時(shí)間(與初缸的供油間隔)和該缸噴油器的噴霧情況。 </p> <p> 方法二：因個(gè)別缸供油量過(guò)大引起的著火敲擊聲，還可采用冷啟動(dòng)后，用手摸對(duì)應(yīng)缸的排氣歧管，大負(fù)荷有敲擊聲；用手摸噴油器下部及其附近的溫度比其他缸熱，則說(shuō)明是該缸供油量過(guò)大。還可以用手握高壓油管，感覺(jué)脈動(dòng)較大的則是該缸供油量過(guò)大。 </p> <p> 方法三：個(gè)別缸供油量過(guò)大和供油時(shí)間過(guò)早，應(yīng)拆下噴油泵在試驗(yàn)臺(tái)上調(diào)試該缸的供油量和供油提前角，并對(duì)其他各缸的供油量、供油提前角和供油間隔角進(jìn)行檢查。上海小型柴油發(fā)電機(jī)組廠(chǎng)家當(dāng)汽車(chē)充電系統(tǒng)出現(xiàn)不充電、充電電流過(guò)大或過(guò)小、充電電流不穩(wěn)等故障時(shí)，應(yīng)及時(shí)進(jìn)行檢查并排查。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售,電" src="https://tyunfile.71360.com/UploadFile/dxdqjt/637251367767890625/7346689.jpg"></div><p> 柴油發(fā)電機(jī)組拉缸響是指在氣缸壁上沿活塞移動(dòng)方向，出現(xiàn)一些深淺不同的溝紋使氣缸漏氣而產(chǎn)生的敲擊聲。那么是什么原因?qū)е虏裼桶l(fā)電機(jī)拉缸響呢？ </p> <p> 原因一：使用不規(guī)范，在發(fā)電機(jī)組的磨合期未按規(guī)定操作，甚至使柴油機(jī)超負(fù)荷運(yùn)轉(zhuǎn)，溫度過(guò)高，破壞了氣缸與活塞(環(huán))間的潤(rùn)滑油膜，引起活塞環(huán)與氣缸壁間拉傷。嚴(yán)重時(shí)活塞膨脹過(guò)大，與缸壁咬住而拉傷。 </p> <p> 原因二：保養(yǎng)不規(guī)范，未及時(shí)去除活塞環(huán)上的積炭，使活塞環(huán)卡在環(huán)槽內(nèi)失去彈性。 </p> <p> 原因三：刮除積炭時(shí)未去除干凈，使極硬的積炭顆粒落人缸隙，形成磨料拉傷。 </p> <p> 原因四：維修后裝配時(shí)，活塞與氣缸壁的間隙過(guò)小，活塞環(huán)的端隙過(guò)小。 </p> <p> 原因五：活塞環(huán)斷裂出現(xiàn)刃角或活塞銷(xiāo)卡簧脫落，使活塞銷(xiāo)竄出拉傷氣缸。 </p> <p> 原因六：冷卻系統(tǒng)或潤(rùn)滑系統(tǒng)故障，使氣缸散熱和潤(rùn)滑不良。 </p> <p> 原因七：冷啟動(dòng)或低溫下突然加大負(fù)荷，燃油霧化不良，致使過(guò)多燃油進(jìn)入氣缸，沖洗缸壁上的潤(rùn)滑油膜，引起拉缸。 </p> <p> 原因八：連桿變形導(dǎo)致活塞在缸內(nèi)歪斜。 </p><p> 柴油發(fā)電機(jī)的柴油機(jī)在同樣轉(zhuǎn)速下，活塞銷(xiāo)的響聲比活塞敲缸的聲音更尖銳清脆而且連續(xù)，是"托托托"的金屬敲擊聲，而且是上下雙響。怠速運(yùn)轉(zhuǎn)時(shí)加速，響聲**清楚。那么造成這種異常響聲的原因是什么呢？ </p> <p> 原因一：柴油發(fā)電機(jī)活塞銷(xiāo)與銷(xiāo)座孔配合松曠。 </p> <p> 原因二：柴油發(fā)電機(jī)活塞銷(xiāo)與連桿襯套磨損過(guò)甚，使其配合間隙過(guò)大。 </p> <p> 原因三：柴油發(fā)電機(jī)的機(jī)油壓力過(guò)低，潤(rùn)滑不良引起活塞銷(xiāo)嚴(yán)重?zé)g。 </p> <p> 原因四：柴油發(fā)電機(jī)的活塞銷(xiāo)卡環(huán)脫落，使活塞銷(xiāo)自由竄動(dòng)。起動(dòng)馬達(dá)的作用是將電能轉(zhuǎn)變成機(jī)械能，主要包括了3部分部件：電磁開(kāi)關(guān)、電子馬達(dá)、離合器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售,電" src="https://tyunfile.71360.com/UploadFile/dxdqjt/637251367766503906/821676.jpg"></div><p style="text-indent:25px">柴油發(fā)電機(jī)組調(diào)速器內(nèi)部杠桿因?yàn)檫B接銷(xiāo)孔磨損而導(dǎo)致松弛，造成柴油發(fā)電機(jī)組“游車(chē)”的現(xiàn)象。這種情況下，讓增減供油量的雙向調(diào)速運(yùn)動(dòng)產(chǎn)生了太多的變向滯后。發(fā)動(dòng)機(jī)工作的時(shí)候，調(diào)速反應(yīng)是肯定會(huì)滯后于實(shí)際轉(zhuǎn)速變化的，可是滯后量不可以太大，不然就會(huì)產(chǎn)生較大的調(diào)節(jié)振幅。調(diào)節(jié)振幅太大，就是當(dāng)轉(zhuǎn)速已因?yàn)楣┯土康脑鰷p而造成轉(zhuǎn)速升降的時(shí)候仍將繼續(xù)增減燃油，直到轉(zhuǎn)速超過(guò)調(diào)速器調(diào)節(jié)范圍較大之后，它強(qiáng)烈的反饋信號(hào)才通過(guò)調(diào)速器實(shí)現(xiàn)反向調(diào)節(jié)的反應(yīng)，結(jié)果讓調(diào)速反應(yīng)超出了預(yù)定的范圍，導(dǎo)致了轉(zhuǎn)速在它某一定值附近反復(fù)有規(guī)律升降的“游車(chē)”現(xiàn)象。柴油發(fā)電機(jī)組復(fù)合式消聲器既有阻性吸聲材料，又有共振器、擴(kuò)張式、穿孔屏等聲學(xué)濾波器件。北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售</p><p style="text-indent:25px">靜音式發(fā)電機(jī)組電流不平衡的現(xiàn)象：轉(zhuǎn)子的振動(dòng)和發(fā)熱。北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售</p><p> 柴油發(fā)電機(jī)組拉缸響，可以拆卸氣缸蓋，檢查缸壁的拉傷情況，一般可分為初期、中期和后期三個(gè)階段。 </p> <p> 階段一：初期拉缸的柴油機(jī)響聲不很清晰，但有機(jī)油竄入燃燒室，使積炭增多。壓縮時(shí)燃?xì)饴┑角S箱，使機(jī)油變質(zhì)。加速時(shí)，從加機(jī)油口處及曲軸箱通風(fēng)管處竄油yan。此時(shí)可確診為初期拉缸。此時(shí)，應(yīng)對(duì)活塞連桿組清洗檢查，并更換機(jī)油和機(jī)油濾芯，清洗油底殼。裝復(fù)后經(jīng)磨合可再使用一段時(shí)間，氣缸的密封性會(huì)有所改善，但動(dòng)力性不如拉缸前。 </p> <p> 階段二：中期拉缸的柴油機(jī)漏氣嚴(yán)重，類(lèi)似敲缸的異響聲較為清楚，打開(kāi)加機(jī)油口蓋，大量油yan有節(jié)奏地冒出，排氣管排濃藍(lán)yan，同時(shí)怠速不良。當(dāng)用斷油法檢查時(shí)，異響聲減弱。若中期拉缸發(fā)生于多缸，用斷油法檢查時(shí)，異響聲雖能減弱，但不能消失。對(duì)于中期拉缸，若氣缸壁的拉痕不深，可用油石磨光，換上同型號(hào)、同質(zhì)量的活塞和同規(guī)格的活塞環(huán)即可繼續(xù)使用，異響聲也會(huì)極大減小。 </p> <p> 階段三：后期拉缸有明顯的敲缸和竄氣聲，動(dòng)力性能也明顯下降。當(dāng)轉(zhuǎn)速增加時(shí)響聲也隨之加重，聲音雜亂，柴油機(jī)出現(xiàn)抖動(dòng)，嚴(yán)重時(shí)會(huì)使活塞在缸內(nèi)打碎或損壞缸體。對(duì)于這種狀況必須更換氣缸套、活塞和活塞環(huán)。北京燃?xì)獍l(fā)電機(jī)組銷(xiāo)售</p><p style="text-indent:25px">上海鼎新電氣（集團(tuán)）有限公司是一家有著雄厚實(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來(lái)、有夢(mèng)想有目標(biāo)，有組織有體系的公司，堅(jiān)持于帶領(lǐng)員工在未來(lái)的道路上大放光明，攜手共畫(huà)藍(lán)圖，在上海市市轄區(qū)等地區(qū)的電工電氣行業(yè)中積累了大批忠誠(chéng)的客戶(hù)粉絲源，也收獲了良好的用戶(hù)口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來(lái)公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻(xiàn)出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強(qiáng)不息，斗志昂揚(yáng)的的企業(yè)精神將**上海鼎新電氣（集和您一起攜手步入輝煌，共創(chuàng)佳績(jī)，一直以來(lái)，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠(chéng)實(shí)守信的方針，員工精誠(chéng)努力，協(xié)同奮取，以品質(zhì)、服務(wù)來(lái)贏(yíng)得市場(chǎng)，我們一直在路上！</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2947763.html</p></div></div></div></div></div><div id="7ro22ac" class="page-right twoColRt"><div id="w3larta" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="p8ewyac" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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