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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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廣元橋架,橋架</p><p><span>***更新：</span>2020-11-06 00:18:11</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="8tlxovw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達廣場SOHO公寓2-2-1138室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="uypbnzq" class="page-proshow02"><p class="title">詳細說明</p><div id="eokmdp2" class="box"><p><p style="text-indent:25px">豎井橋架的防火封堵是消防強制要求，目的是在火災發(fā)生時將火勢控制在分隔區(qū)內(nèi)，以防“煙囪效應(yīng)”引起火勢和煙氣的蔓延，廣元橋架。本文介紹一種新型防火封堵材料——防火棉（硅酸鋁纖維又叫陶瓷纖維，俗稱防火棉），該材料具有容重輕、耐高溫、熱穩(wěn)定性好、熱傳導率低、熱容小、抗機械振動好、受熱膨脹小、隔熱性能好，廣元橋架、使用壽命長、抗拉強度大，廣元橋架、彈性好等優(yōu)點。用防火棉封堵電纜井有成本低、防火防煙性能好、保質(zhì)期長、施工方便和便于線纜檢修的優(yōu)點。廣元橋架</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元橋架,橋架" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044865831992188/5045030.jpg"></div><p style="text-indent:25px">橋架跨接線連接要注意：用抓墊、平墊或把噴塑橋架的漆刮掉再用平墊、彈簧墊壓緊。鍍鋅電纜橋架間連接板的兩端不跨接接地線，但連接板兩端不少于2個有防松螺帽或防松墊圈的連接固定螺栓（強標）。至于支架的接地，就是把支架與橋架連接處固定刮漆就可以（或是抓墊）。接地線**小截面不小于4平方米。金屬電纜橋架及其支架全長應(yīng)不少于2處與接地（PE）或接零（PEN）干線相連接；跨接線壓線處細部做法：注意墊片及順序及螺栓外露的長度及接地標識、螺栓的位置；不能用連接螺栓固定跨接線。廣元橋架</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元橋架,橋架" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044865833525391/1552976.jpg"></div><p style="text-indent:25px">對于橋架的安裝需要注意：橫平豎直，彎頭處要平緩。當橋架分層的時侯，比較好用組合架。橋架內(nèi)部要加設(shè)防火封堵或加設(shè)防火包。鋼制30米，鋁合金及塑料的15米要加伸縮節(jié)。過建筑物變形縫處（伸縮縫、沉降縫）加補償裝置。橋架的支架間距一般要求水平的為1.5 - 3米，垂直的為2米一個。螺母位于橋架的外側(cè)。當支架與鋁合金橋架連接時，注意防電化措施。注意轉(zhuǎn)彎處支架的設(shè)置。配電室大型橋架要采用可調(diào)式組合支架大型工程橋架彎曲度要一致。</p><p style="text-indent:25px">從橋架側(cè)面取15cmX0.8在橋架底部畫點將這段距離等分,然后三個點連接就成一個45°的等腰三角形 (另一邊用同一方法)，然后將這個三角切掉就形成一個45°彎，然后再用要做的高度X1.41為**里邊的頂點再畫三角形，方向與前面那個相反，做出來就是一個45°之字彎。90°彎是取要做的那一面的2倍畫三角，例如400X150做水平彎頭,則取400X2畫三角切掉就行了，如果要做垂直彎頭則取150X2。橋架總結(jié)出來的公式：比如45度的坡度彎頭，你只要記住這句話就知道怎么做了“爬坡45 度，橋架高度乘以0.8中分劃三條線為一個彎，斜邊是爬坡高度乘以1.41 30度是橋架高度乘以0.8除以45乘以30中分劃三條線為一個彎，斜邊是爬坡高度乘以2 水平90度彎是橋架寬度乘以0.8中分劃線，斜邊(內(nèi)邊)600以上200乘以1.41 600以下100乘以1.41”。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元橋架,橋架" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044865828330078/7445466.jpg"></div><p style="text-indent:25px">我們在自制的電纜橋架彎頭、跳彎、三通的連接處，應(yīng)該先在內(nèi)側(cè)進行點焊固定并把毛刺藥皮打磨干凈，外側(cè)應(yīng)平整，縫隙應(yīng)盡量小且鋸口處平整整齊。電纜橋架彎頭對接無錯邊，焊接后的對口處應(yīng)打磨平整、光潔，不應(yīng)有損傷電纜絕緣層的毛刺、銳邊等棱角。在托盤式電纜橋架內(nèi)加鋼筋時，采用增加Φ6 - 8MM圓鋼，內(nèi)、外側(cè)都應(yīng)補刷油漆。刷油漆前，應(yīng)把藥皮，焊渣清理干凈。多層電纜橋架的自制三通及彎頭安裝完成后，折角應(yīng)在垂直的統(tǒng)一直線上。廣元橋架</p><p style="text-indent:25px">廣元橋架</p><p style="text-indent:25px">橋架安裝選擇需屏蔽電氣干擾的電纜回路，有腐蝕的場所、易燃粉塵場所，應(yīng)選用無蓋無孔封閉型托盤，當需要因地制宜的場所，宜選用組裝式托盤或有孔托盤及梯架；在容易積灰和其它需遮蓋的環(huán)境或戶外場所，宜帶有蓋板。低壓電力電纜與控制電纜共用同一托盤或梯架時，應(yīng)選用中間有隔板的托盤或梯架；在托盤、梯架分支、引上、引下處應(yīng)設(shè)適當?shù)膹澩?；因受空間條件限制不便裝設(shè)彎通或有特殊要求時，可選用軟連接板，鉸接板；伸縮縫應(yīng)設(shè)置伸縮板；連接兩段不同寬度或高度的托盤、梯架可配置變寬或變高板。但在施工中，支、吊架和橋架的選擇應(yīng)依設(shè)計或工程布置條件選擇。廣元橋架</p><p style="text-indent:25px">成都皖川科技有限公司位于四川省成都市青羊區(qū)青羊萬達廣場SOHO公寓2-2-1138室。公司業(yè)務(wù)分為耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠信為本的經(jīng)營理念，在儀器儀表深耕多年，以技術(shù)為先導，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造儀器儀表良好品牌。成都皖川科技憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1862076.html</p></div></div></div></div></div><div id="2g8itvc" class="page-right twoColRt"><div id="frdkrd3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bfw88ed" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="ujneq7p" class="recomPic likePro"><a 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