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src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593689287109/8439904.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="l3bdkmt" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593689287109/8439904.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="i97njq7" 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>凱里大挖掘機(jī)租賃哪家好</p><p><span>***更新：</span>2020-06-22 01:20:52</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="1qryk2d" 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="tu887i8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="bsrnubd" class="box"><p><p> 挖掘機(jī)工作時(shí)，會(huì)發(fā)現(xiàn)大臂舉升緩慢。是什么原因呢？挖掘機(jī)大臂舉升，是靠油泵輸出的壓力油順管道經(jīng)閥進(jìn)入大臂油缸的后腔，油缸內(nèi)的活塞在工作油液壓力的作用下移動(dòng)，通過(guò)活塞桿將大臂舉起。由此看來(lái)，大臂舉升的速度與進(jìn)入油缸油液的壓力和流量有關(guān)。根據(jù)輸入油缸的功率等于油缸輸出的功率這一道理，再根據(jù)輸入液壓油缸的功率P等于液壓油缸的工作壓力與進(jìn)入液壓油缸流量的乘積，那么，挖掘機(jī)大臂舉升緩慢多半是因輸入液壓油缸的功率減少，也就是輸入油缸的功率減少所致。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，凱里大挖掘機(jī)租賃哪家好，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)，凱里大挖掘機(jī)租賃哪家好、按臺(tái)班均可，凱里大挖掘機(jī)租賃哪家好。承接：大小土石方工程，歡迎咨詢洽談。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="凱里大挖掘機(jī)租賃哪家好" src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593689287109/8439904.jpg"></div><p> 挖掘機(jī)故障排除：斗桿動(dòng)作無(wú)力的原因。一臺(tái)RH40-E型液壓挖掘機(jī)出現(xiàn)斗桿動(dòng)作無(wú)力，疑為斗桿缸內(nèi)泄。拆修該缸時(shí)發(fā)現(xiàn)，活塞上的兩道密封已開裂破損，且缸的端蓋和活塞均有輕微拉傷的痕跡。于是用金相砂紙將活塞及缸蓋進(jìn)行了拋光處理，同時(shí)更換了一套原裝密封修理包。但運(yùn)行不到一個(gè)月又突然出現(xiàn)斗桿伸出無(wú)力，且機(jī)器空載時(shí)斗桿缸活塞桿有反彈現(xiàn)象。進(jìn)一步分析認(rèn)為，可能是由于主控閥中的斗桿控制閥及溢流閥閥芯發(fā)卡所致。但拆解斗桿的控制閥時(shí)發(fā)現(xiàn)，閥芯在閥體內(nèi)活動(dòng)自如，無(wú)拉傷痕跡和發(fā)卡現(xiàn)象，且彈簧也未斷裂，說(shuō)明該閥無(wú)故障。之后解體了斗桿缸無(wú)桿腔油路上的溢流閥，發(fā)現(xiàn)有一小塊橡膠卡住了該閥的閥芯。取出該橡膠塊，清洗了閥體，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，歡迎咨詢洽談。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="凱里大挖掘機(jī)租賃哪家好" src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593665917968/1676529.jpg"></div><p> 挖掘接發(fā)動(dòng)機(jī)漏氣的檢測(cè)方法。一、挖掘機(jī)氣門漏氣。不減壓搖轉(zhuǎn)曲軸，在壓縮行程時(shí)，可聽到進(jìn)、排氣道處有噓叫聲。若進(jìn)、排氣支管已拆下，則聽得更清晰了；把棉絮、羽毛放在進(jìn)、排氣口，可見棉絮、羽毛被氣流向外吹動(dòng)，證明氣門漏氣。二、挖掘機(jī)活塞環(huán)漏氣。不減壓搖轉(zhuǎn)曲軸，在搖轉(zhuǎn)至壓縮行程的一半時(shí)停下～10分鐘后再搖曲軸，會(huì)感到無(wú)壓縮力或壓縮力很小。另外，在搖轉(zhuǎn)曲軸時(shí)，可在加機(jī)油口處聽到漏氣聲，貴州挖掘機(jī)出租告訴您若向該缸火花塞或噴油器安裝孔內(nèi)注入少量機(jī)油，則漏氣聲會(huì)減弱或消失，同時(shí)壓縮力明顯增加，證明活塞環(huán)漏氣。三、挖掘機(jī)空氣濾清器漏氣。貴州挖掘機(jī)告訴你檢查空氣濾清器和進(jìn)氣管是否漏氣時(shí)，可用布頭堵死**進(jìn)氣管，看發(fā)動(dòng)機(jī)能否在3～5秒內(nèi)熄火(發(fā)動(dòng)機(jī)以中低速運(yùn)轉(zhuǎn))，若不能，則說(shuō)明空氣濾清器漏氣。四、挖掘機(jī)噴油器安裝孔處漏氣。貴州挖掘機(jī)出租告訴您噴油器安裝孔、火花塞及預(yù)熱塞等螺孔漏氣時(shí)，漏氣部位會(huì)出現(xiàn)碳霧，嚴(yán)重時(shí)會(huì)發(fā)出漏氣的聲音，在漏氣部位涂機(jī)油時(shí)會(huì)出現(xiàn)泡沫，證明噴油器安裝孔處漏氣。 </p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/344044.html</p></div></div></div></div></div><div id="t3mnzgx" class="page-right twoColRt"><div id="p42ykmd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wxyariu" class="recomPic 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