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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="shz888c" 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>貴州省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>興義大型挖掘機(jī)租賃哪家好</p><p><span>***更新：</span>2020-05-28 12:15:09</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ejgi2qc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">貴州裕鑫工程機(jī)械有限公司</a></p><p><span>聯(lián)系人：</span>余濤</p><p><span>郵箱: </span>3623794418@qq.com</p><p><span>電話: </span>15692715256</p><p><span>傳真: </span>0851_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0851-85167915</p><p><span>地址: </span>貴州省貴安新區(qū)大學(xué)城（黨武鎮(zhèn)）貴安數(shù)字經(jīng)濟(jì)產(chǎn)業(yè)園7號(hào)樓409</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="2jvx3o8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ol2ovht" class="box"><p><p> 挖掘機(jī)維修不能做的事。用砂布打磨軸瓦。對(duì)于一些經(jīng)歷不足的維修工來(lái)說(shuō)，興義大型挖掘機(jī)租賃哪家好，刮瓦是一項(xiàng)有較高難度的工作，由于刮瓦技能很難掌握，所以軸瓦就不易到達(dá)技術(shù)的需求，所以，有人在替換軸瓦時(shí)，為了增大軸瓦與曲軸的觸摸面積，就用砂布打磨以替代刮瓦。這種辦法在實(shí)際維修中是極不可取的，由于砂布上的磨粒較硬，而軸瓦合金卻較軟，這樣在打磨時(shí)砂粒會(huì)嵌入合金內(nèi)，柴油機(jī)工作時(shí)會(huì)加快軸頸的磨損，縮短曲軸的使用壽命。貴州裕鑫工程機(jī)械有限公司是具有完善的施工隊(duì)及專(zhuān)業(yè)的維修隊(duì)伍，興義大型挖掘機(jī)租賃哪家好。主營(yíng)：挖掘機(jī)的整機(jī)租賃、土石方工程，等業(yè)務(wù)。常年對(duì)外出租，價(jià)格公道，興義大型挖掘機(jī)租賃哪家好，誠(chéng)實(shí)守信，合作共贏；租用方式靈活、包月、計(jì)時(shí)、按臺(tái)班均可。承接：大小土石方工程，歡迎咨詢(xún)洽談。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="興義大型挖掘機(jī)租賃哪家好" src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593686875000/3340822.jpg"></div><p> 挖掘機(jī)故障排除：前進(jìn)或后退均向右跑偏。一臺(tái)韓國(guó)大宇產(chǎn)的DH220LC-V型液壓挖掘機(jī)，在工作約5000h后出現(xiàn)了前進(jìn)或后退行走時(shí)均向右跑偏的現(xiàn)象。分析認(rèn)為，跑偏故障的原因主要與液壓主泵、泵調(diào)節(jié)器、主控制閥上的行走閥芯、中心接頭和行走馬達(dá)等液壓元件以及先導(dǎo)壓力、履帶張緊度等有關(guān)。將主控制閥與中心接頭之間為左、右行走供油的4根油管互換，試機(jī)時(shí)若故障現(xiàn)象已發(fā)生改變，證明中心接頭無(wú)故障，否則為中心接頭有故障，應(yīng)拆開(kāi)并找出故障原因。檢查了左、右行走控制閥閥芯，發(fā)現(xiàn)閥芯在閥體內(nèi)運(yùn)動(dòng)靈活，且無(wú)損壞情況，故可排除控制閥有故障。將兩主泵調(diào)節(jié)器互換后試機(jī)時(shí)發(fā)現(xiàn)，行走跑偏的故障也隨之改變，這樣，就可判斷故障出在調(diào)節(jié)器上。拆開(kāi)調(diào)節(jié)器時(shí)，發(fā)現(xiàn)其閥芯上的O形密封圈已老化損壞，致使閥芯運(yùn)動(dòng)不靈活，無(wú)法對(duì)斜盤(pán)角度進(jìn)行正常的調(diào)節(jié)，因而使泵排量變小，行走速度減慢，機(jī)器行駛時(shí)向右跑偏。清洗泵調(diào)節(jié)器，更換O形圈，裝復(fù)后試機(jī)，故障消失。貴州裕鑫工程機(jī)械有限公司是具有完善的施工隊(duì)及專(zhuān)業(yè)的維修隊(duì)伍。承接：大小土石方工程，歡迎咨詢(xún)洽談。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="興義大型挖掘機(jī)租賃哪家好" src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593685986328/4362968.jpg"></div><p> 隨著科技的進(jìn)步，現(xiàn)代挖掘機(jī)一般都采用了機(jī)—電—液一體化控制模式，我們?cè)谂懦恍┕收蠒r(shí)，解決的多是發(fā)動(dòng)機(jī)—液壓泵—分配閥—外部負(fù)荷的匹配問(wèn)題。一般在挖掘機(jī)作業(yè)中，這幾方面不能匹配，經(jīng)常會(huì)表現(xiàn)為：發(fā)動(dòng)機(jī)轉(zhuǎn)速下降，工作速度變慢，挖掘無(wú)力等。工作速度變慢：如果是使用多年的挖掘機(jī)，速度逐漸變慢，這屬于正常磨損所致。主要因素整機(jī)各部磨損造成發(fā)動(dòng)機(jī)功率下降與液壓系統(tǒng)內(nèi)泄，這樣就一系列故障都表現(xiàn)出來(lái)了，由于泄漏造成內(nèi)部能量消耗，產(chǎn)生大量熱能，使整個(gè)系統(tǒng)迅速升溫，液壓油及發(fā)動(dòng)機(jī)機(jī)油粘度下降，使整個(gè)系統(tǒng)產(chǎn)生高溫，表現(xiàn)為涼車(chē)稍快越熱越慢，這就需要全機(jī)大修，對(duì)磨損超限的零部件進(jìn)行修復(fù)更換。如果是新挖機(jī)突然變慢，這就要先簡(jiǎn)后繁，從以下幾方面檢查：先查電路保險(xiǎn)絲是否斷路或短路;先導(dǎo)壓力是否正常;伺服控制閥-伺服活塞是否卡死;分配器合流故障等;排除了其它可能性，然后拆解液壓泵。貴州裕鑫工程機(jī)械有限公司是具有完善的施工隊(duì)及專(zhuān)業(yè)的維修隊(duì)伍。主營(yíng)：挖掘機(jī)的整機(jī)租賃、土石方工程，等業(yè)務(wù)。常年對(duì)外出租，價(jià)格公道，誠(chéng)實(shí)守信，合作共贏；租用方式靈活、包月、計(jì)時(shí)、按臺(tái)班均可。承接：大小土石方工程，歡迎咨詢(xún)洽談。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="興義大型挖掘機(jī)租賃哪家好" src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593666093750/1791604.jpg"></div></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/68524.html</p></div></div></div></div></div><div id="pyfhj72" class="page-right twoColRt"><div id="qugnpb8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bamykby" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="xhebs39" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠(chéng)推薦寧波助學(xué)商務(wù)信息咨詢(xún)供應(yīng)" class="vcenter" 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