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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>四川老設(shè)備電氣更換,電氣更換</p><p><span>***更新：</span>2021-01-12 08:12:15</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="utdkjl2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海玉冰電氣設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>吳經(jīng)理</p><p><span>郵箱: </span>1109020744@qq.com</p><p><span>電話: </span>13917970979</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.shyubing.cn</p><p><span>手機(jī): </span>021-517619</p><p><span>地址: </span>九亭鎮(zhèn)九新公路399號(hào)1幢14樓</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="nga329f" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="hlkmgsp" class="box"><p><p style="text-indent:25px">電氣設(shè)備施工現(xiàn)場(chǎng)的電纜線路： 1、電纜線路應(yīng)采用穿管埋地或沿墻、電桿架空敷設(shè)，嚴(yán)禁沿地面明設(shè)。 2、電纜在室外直接埋地敷設(shè)的深度應(yīng)不小于0.6m，并應(yīng)在電纜上下各均勻鋪設(shè)不小于50mm厚的細(xì)砂，然后覆蓋磚等硬質(zhì)保護(hù)層。 3、橡皮電纜沿墻或電桿敷設(shè)時(shí)應(yīng)用絕緣子固定，嚴(yán)禁使用金屬裸線作綁扎。固定點(diǎn)間的距離應(yīng)保證橡皮電纜能承受自重所帶的荷重。橡皮電纜的較大弧垂距地不得小于2.5m。 4，四川老設(shè)備電氣更換、電纜的接頭應(yīng)牢固可靠，絕緣包扎后的接頭不能降低原來(lái)的絕緣強(qiáng)度，并不得承受張力。 5、在有高層建筑的施工現(xiàn)場(chǎng)，，臨時(shí)電纜必須采用埋地引入。電纜垂直敷設(shè)的位置應(yīng)充分利用在建工程的豎井、垂直孔洞等，四川老設(shè)備電氣更換，同時(shí)應(yīng)靠近負(fù)荷中心，固定點(diǎn)每樓層不得少于一處。電纜水平敷設(shè)沿墻固定，較大弧垂距地不得小于18m。測(cè)電阻法可分為分階測(cè)量法和分段測(cè)量法，四川老設(shè)備電氣更換。這兩種方法適用于開關(guān)、電器分布距離較大的電氣設(shè)備。四川老設(shè)備電氣更換</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川老設(shè)備電氣更換,電氣更換" src="https://tyunfile.71360.com/UploadFile/Shanghaiyubing/637417437545466105/4967126.png"></div><p style="text-indent:25px">常用的電氣設(shè)備修理的方法主要有以下一些：（1）標(biāo)準(zhǔn)修理法，又稱強(qiáng)制修理法，是指根據(jù)電氣設(shè)備零件的使用壽命，預(yù)先編制具體的修理計(jì)劃，明確規(guī)定電氣設(shè)備的修理日期、類別和內(nèi)容。電氣設(shè)備運(yùn)轉(zhuǎn)到規(guī)定的期限，不管其技術(shù)狀況好壞，任務(wù)輕重，都必須按照規(guī)定的作業(yè)范圍和要求進(jìn)行修理。此方法有利于做好修理前準(zhǔn)備工作，有效保證電氣設(shè)備的正常運(yùn)轉(zhuǎn)，但有時(shí)會(huì)造成過度修理，增加了修理費(fèi)用。（2）定期修理法，是指根據(jù)零件的使用壽命、生產(chǎn)類型、工件條件和有關(guān)定額資料，事先規(guī)定出各類計(jì)劃修理的固定順序、計(jì)劃修理間隔期及其修理工作量。在修理前通常根據(jù)電氣設(shè)備狀態(tài)來(lái)確定修理內(nèi)容。此方法有利于做好修理前準(zhǔn)備工作，有利于采用先進(jìn)修理技術(shù)，減少修理費(fèi)用。（3）檢查后修理法，是指根據(jù)電氣設(shè)備零部件的磨損資料，事先只規(guī)定檢查次數(shù)和時(shí)間，而每次修理的具體期限、類別和內(nèi)容均由檢查后的結(jié)果來(lái)決定。這種方法簡(jiǎn)單易行，但由于修理計(jì)劃性較差，檢查時(shí)有可能由于對(duì)電氣設(shè)備狀況的主觀判斷誤差引起零件的過度磨損或故障。四川老設(shè)備電氣更換總、分配電箱門應(yīng)配鎖，配電箱和開關(guān)箱應(yīng)指定專人負(fù)責(zé)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川老設(shè)備電氣更換,電氣更換" src="https://tyunfile.71360.com/UploadFile/Shanghaiyubing/637417439198258929/3943406.png"></div><p style="text-indent:25px">電氣維修常識(shí)： 1．先普遍后非凡因裝配配件質(zhì)量或其他設(shè)備故障而引起的故障，一般占常見故障的50左右。電氣設(shè)備的非凡故障多為軟故障，要靠經(jīng)驗(yàn)和儀表來(lái)測(cè)量和維修。 2．先**后內(nèi)部先不要急于更換損壞的電氣部件，在確認(rèn)**設(shè)備電路正常時(shí)，再考慮更換損壞的電氣部件。 3．先直流后交流檢修時(shí)，必須先檢查直流回路靜態(tài)工作點(diǎn)，再交流回路動(dòng)態(tài)工作點(diǎn)。 4．先故障后調(diào)試對(duì)于調(diào)試和故障并存的電氣設(shè)備，應(yīng)先排除故障，再進(jìn)行調(diào)試，調(diào)試必須在電氣線路速的前提下進(jìn)行。</p><p style="text-indent:25px">電氣維護(hù)的安全要求：設(shè)置漏電保護(hù)器 1、施工現(xiàn)場(chǎng)的總配電箱和開關(guān)箱應(yīng)至少設(shè)置兩級(jí)漏電保護(hù)器，而且兩級(jí)漏電保護(hù)器的額定漏電動(dòng)作電流和額定漏電動(dòng)作時(shí)間應(yīng)作合理配合，使之具有分級(jí)保護(hù)的功能。 2、開關(guān)箱中必須設(shè)置漏電保護(hù)器，施工現(xiàn)場(chǎng)所有用電設(shè)備，除作保護(hù)接零外，必須在設(shè)備負(fù)荷線的首端處安裝漏電保護(hù)器。 3、漏電保護(hù)器應(yīng)裝設(shè)在配電箱電源隔離開關(guān)的負(fù)荷側(cè)和開關(guān)箱電源隔離開關(guān)的負(fù)荷側(cè)。 4、漏電保護(hù)器的選擇應(yīng)符合國(guó)標(biāo)GB6829—86《漏電電流動(dòng)作保護(hù)器(剩余電流動(dòng)作保護(hù)器)》的要求，開關(guān)箱內(nèi)的漏電保護(hù)器其額定漏電動(dòng)作電流應(yīng)不大于30mA，額定漏電動(dòng)作時(shí)間應(yīng)小于0.1s。使用潮濕和有腐蝕介質(zhì)場(chǎng)所的漏電保護(hù)器應(yīng)采用防濺型產(chǎn)品。其額定漏電動(dòng)作電流應(yīng)不大于15mA，額定漏電動(dòng)作時(shí)間應(yīng)小于0.1s。熔斷器的熔體更換時(shí)，嚴(yán)禁用不符合原規(guī)格的熔體代替。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川老設(shè)備電氣更換,電氣更換" src="https://tyunfile.71360.com/UploadFile/Shanghaiyubing/637417437644635933/4584923.png"></div><p style="text-indent:25px">電氣設(shè)備照明裝置： 1、室內(nèi)配線必須采用絕緣銅線或絕緣鋁線，采用瓷瓶、瓷夾或塑料夾敷設(shè)，距地面高度不得小于2．5m。 2、進(jìn)戶線在室外處要用絕緣子固定，進(jìn)戶線過墻應(yīng)穿套管，距地面應(yīng)大于2.5m，室外要做防水彎頭。 3、室內(nèi)配線所用導(dǎo)線截面應(yīng)按圖紙要求施工，但鋁線截面較小不得小于2．5mm2，銅線截面不得小于1.5mm2。 4、金屬外殼的燈具外殼必須作保護(hù)接零，所用配件均應(yīng)使用鍍鋅件。 5、室外燈具距地面不得小于3m，室內(nèi)燈具不得低于2．4m。插座接線時(shí)應(yīng)符合規(guī)范要求。 6、螺口燈頭及接線應(yīng)符合下列要求： (a)相線接在與中心觸頭相連的一端，零線接在與螺紋口相連的一端。 (b)燈頭的絕緣外殼不得有損傷和漏電。 7、各種用電設(shè)備、燈具的相線必須經(jīng)開頭控制，不得將相線直接引入燈具。 8、暫設(shè)室內(nèi)的照明燈具應(yīng)優(yōu)先選用拉線開關(guān)占拉線開關(guān)距地面高度為2～3m，與門口的水平距離為0．1～0．2m，拉線出口應(yīng)向下。 9、嚴(yán)禁將插座與搬把開關(guān)靠近裝設(shè)；嚴(yán)禁在床上設(shè)開關(guān)。電工的等級(jí)應(yīng)同工程的難易程度和技術(shù)復(fù)雜性相適應(yīng)，初級(jí)電工不允許進(jìn)行中、高級(jí)電工的作業(yè)。四川老設(shè)備電氣更換</p><p style="text-indent:25px">配電箱、開關(guān)箱內(nèi)的各種電器應(yīng)按規(guī)定的位置緊固在安裝板上，不得歪斜和松動(dòng)。四川老設(shè)備電氣更換</p><p style="text-indent:25px">在確定故障點(diǎn)以后，無(wú)論是修復(fù)還是更換，排除故障相對(duì)電氣維修人員來(lái)說(shuō)，一般比查找故障要簡(jiǎn)單得多。但在排除故障中一般不可能只用單一的方法，往往多種方法綜合運(yùn)用。 1.在排除故障的過程中，應(yīng)先動(dòng)腦、后動(dòng)手，正確分析可以起到事半功倍的效果。具體應(yīng)遵循先外部后內(nèi)部、先機(jī)械后電氣、先靜后動(dòng)、先公用后**、先簡(jiǎn)單后復(fù)雜、先一般后特殊的原則。需要注意的是，不要一遇到故障，拿起表就測(cè)，拿起工具就拆。要養(yǎng)成良好的分析、判斷習(xí)慣，要做到每次測(cè)量均有明確的目的，即測(cè)量的結(jié)果能說(shuō)明什么。在找出有故障點(diǎn)的組件后，應(yīng)該進(jìn)一步確定引起故障的根本原因。例如:當(dāng)電路板內(nèi)的一只晶體管被燒壞，單純地更換一個(gè)晶體管是不夠的，重要的是要查出被燒壞的原因，并采取補(bǔ)救和預(yù)防的措施。 2.一般情況下，以設(shè)備的動(dòng)作順序?yàn)榕懦龝r(shí)分析、檢測(cè)的次序。以此為前提，先檢查電源，再檢查線路和負(fù)載;先檢查公共回路再檢查各分支回路;先檢查主電路再檢查控制電路;先檢查容易檢測(cè)的部分(如各控制柜)，再檢查不易檢測(cè)的部分(如某一設(shè)備的控制器件)。四川老設(shè)備電氣更換</p><p style="text-indent:25px">上海玉冰電氣設(shè)備有限公司致力于電工電氣，是一家服務(wù)型的公司。公司業(yè)務(wù)分為老設(shè)備電氣更換，業(yè)擴(kuò)增容，按裝充電樁，廠房電線電纜改造等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于電工電氣行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2813979.html</p></div></div></div></div></div><div id="ga3tfm3" class="page-right twoColRt"><div id="wvfm7xu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8n77nz3" 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" 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