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href="http://m.cdcfah.com/cp/third-dgdq_kcdgdqcp/">庫存電工電氣產(chǎn)品</a>?襄陽小區(qū)避雷針安裝誠信服務湖北乾元上風電氣供應</p><div id="yce3d7g" class="leftbox clearfix"><h1>襄陽小區(qū)避雷針安裝誠信服務湖北乾元上風電氣供應</h1><div id="bvmgnur" class="proBig"><div id="ixuwtvc" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hbqysf/637232452426386719/3154754.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="glnvx33" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hbqysf/637232452426386719/3154754.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kyvszbt" 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>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>襄陽小區(qū)避雷針安裝,避雷針</p><p><span>***更新：</span>2021-01-27 15:11:01</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="ey2jgd8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">湖北乾元上風電氣工程有限公司</a></p><p><span>聯(lián)系人：</span>尹經(jīng)理</p><p><span>郵箱: </span></p><p><span>電話: </span>15671528728</p><p><span>傳真: </span>156_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>156-71528728</p><p><span>地址: </span>武漢市江岸區(qū)金橋大道金橋壹號1203</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="38dvxpr" class="page-proshow02"><p class="title">詳細說明</p><div id="vue2fcu" class="box"><p><h2> 避雷針有什么用途 </h2> <p> <span style="font-size:16px;">避雷，實際上是引雷德作用原理：在雷雨天氣，高樓上空出現(xiàn)帶電云層時，迅雷針和高樓頂知部都被感應上大量電荷，由于避雷針針頭是尖的，而靜電感應時，導體前列總是聚集了多的電荷．這樣，避雷針就聚集了大部分電荷．避雷針又與這些帶電云道層形成了一個電容器，由于它較尖，即這個電容器的兩極板正對面積很小，電容也就很小，也就是說它所能容納的電荷很少．而它又聚集了大部分電荷，所以，當云層上電荷較多時，避雷針與云層之版間的空氣就很容易被擊穿，成為導體．這樣，帶電云層與避雷針形成通路，而避雷針又是接地的．避雷針就可以權(quán)把云層上的電荷導人大地，使其不對高層建筑構(gòu)成危險，襄陽小區(qū)避雷針安裝，保證了它的安全，襄陽小區(qū)避雷針安裝，襄陽小區(qū)避雷針安裝。</span> 避雷針安裝價格，湖北乾元上風電氣供應，品質(zhì)優(yōu)良！襄陽小區(qū)避雷針安裝</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="襄陽小區(qū)避雷針安裝,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232452426386719/3154754.jpg"></div><h2> 避雷針的安裝有技巧，專業(yè)公司告訴你 </h2> <p> <span style="font-size:16px;">1、將支座鋼板固定在預埋的地腳螺栓上,焊上一塊肋板,再將避雷針立起,找直、找正后,進行點焊,然后加以校正,焊上其他三塊脅板。將引下線焊接在底板上,清理藥皮刷防銹漆。 2、避雷針應垂直安裝牢固。垂直度允許偏差為3/1000。 3、針體彎曲，安裝的垂直度超出允許偏差。應將針體重新調(diào)直，符合要求后再安裝。 4、**避雷針及其接地裝置與道路或建筑物的出入口保護距離不符合規(guī)定。其距離應大于3m，當小于3m時，應采取均壓措施或鋪設(shè)卵石或瀝青地。 5、選購時應注意：**避雷針一般采用直徑為19mm鍍鋅圓鋼；屋面上的避雷針采用直徑25mm鍍鋅鋼管；水塔頂部避雷針采用直徑25mm或40mm的鍍鋅鋼管；囪頂上避雷針采用直徑25mm鍍鋅圓鋼或直徑為40mm鍍鋅鋼管e避雷環(huán)用直徑12mm鍍鋅圓鋼或截面為100mm2鍍鋅扁鋼，其厚度應為4mm等。 6、注意：避雷針如果沒接地將是個迎雷針，所以必須謹慎。</span> 隨州醫(yī)院避雷針廠家直銷防雷避雷針安裝廠家，湖北乾元上風電氣供應。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="襄陽小區(qū)避雷針安裝,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513374218750/1846083.jpg"></div><h2> 中國發(fā)明了避雷針 </h2> <p> <span style="font-size:16px;">一般都認為發(fā)明避雷針的人是18世紀的羅蒙諾索夫和富蘭克林。其實，早認識避雷術(shù)的還是在我國。公元1688年，法國旅行家卡勃里歐列·戴馬甘蘭在游歷中國后，寫了一本《中國新事》的書，書中寫道：“……，中國屋宇的屋脊兩頭，都有一個仰起的**，龍口吐出曲折的金屬舌頭，伸上天空，舌根連接著一根根細的鐵絲，直通地下。這樣奇妙的裝置在發(fā)生雷電的時候就大顯神通，若雷電擊中了屋宇，電流就會從龍舌沿線下行地底，起不了絲毫破壞作用。”從這里看來，我國對避雷針的應用，比富蘭克林作的雷電實驗要早兩個世紀以上。我國科學家經(jīng)過科學論證，證實遠在三國和南北朝時代的建筑物就有了“避雷室”裝置。有關(guān)**還認為：現(xiàn)在的廣西真武閣四柱不落地，德慶縣文廟四柱不頂天，都是古代建筑師為了使廳堂有人的地方避開雷擊，消除電學上稱為“跨步電壓”的危險而設(shè)計的。</span> </p><h2> 關(guān)于避雷針安裝的方法 </h2> <p> <span style="font-size:16px;"> 避雷針安裝要先將支座鋼板固定在預埋的地腳螺栓上 , 焊上一塊肋板 , 再將避雷針立起 , 找直、找正后 , 進行點焊 , 然后加以校正 , 焊上其他三塊脅板。后面將引下線焊接在底板上 , 清理藥皮刷防銹漆。支座和支架，水平間距為1-1. 5m，轉(zhuǎn)彎處為0. 25m-0. 5m。引下線的上端與避雷帶（網(wǎng)）的交接處，應彎曲成弧形再與避雷帶（網(wǎng)）并齊進行搭接焊接。不同平面的避雷帶（網(wǎng)）應至少有兩處互相連接，連接應采用焊接。建筑物屋頂上的突出金屬物體，如旗桿、透氣管、鐵欄桿、爬梯、冷卻水塔、電視天線桿等，這些部位的金屬導體都必須與避雷帶（網(wǎng)）焊接成一體。避雷帶通過伸縮沉降縫的做法：應將避雷帶向側(cè)面彎成半徑為100mm的弧形，且支持卡子中心距建筑物邊緣距離減至400mm，可以將避雷帶向下部彎曲。避雷針安裝時應在建筑物首層起每三層設(shè)均壓環(huán)一圈。可將結(jié)構(gòu)圈梁鋼筋與柱內(nèi)充當引下線的鋼筋進行連接（綁扎或焊接）作為均壓環(huán)。沒有組合柱和圈梁的建筑物，應每三層在建筑物外墻內(nèi)敷設(shè)一圈12mm鍍鋅圓鋼作為均壓環(huán)，并與防雷裝置的所有引下線連接。</span> 避雷針安裝價格，湖北乾元上風電氣供應，品質(zhì)優(yōu)良值得推薦！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="襄陽小區(qū)避雷針安裝,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232452426259766/8150720.jpg"></div><h2> 農(nóng)村民用樓房怎么安裝避雷針? </h2> <p> <span style="font-size:16px;">分時段安裝： 1、做基礎(chǔ)時，安裝接地極： 2、結(jié)構(gòu)施工時利用結(jié)構(gòu)內(nèi)鋼筋（或**型鋼）做引下線，與接地極連接，并預留與避雷帶的連接點； 3、裝修完成的同時，敷設(shè)避雷帶（或避雷針）。避雷針的原理：在雷雨天氣，高樓上空出現(xiàn)帶電云層時，避雷針和高樓頂部都被感應上大量電荷，由于避雷針針頭是尖的，所以靜電感應時，導體前列總是聚集了多的電荷。這樣，避雷針就聚集了大部分電荷。避雷針又與這些帶電云層形成了一個電容器，由于它較尖，即這個電容器的兩極板正對面積很小，電容也就很小，也就是說它所能容納的電荷很少。而它又聚集了大部分電荷，所以，當云層上電荷較多時，避雷針與云層之間的空氣就很容易被擊穿，成為導體。這樣，帶電云層與避雷針形成通路，而避雷針又是接地的，避雷針就可以把云層上的電荷導入大地，使其不對高層建筑構(gòu)成危險，保證了它的安全。</span> 避雷針廠家，湖北乾元上風電氣供應，歡迎您來點電咨詢！隨州醫(yī)院避雷針廠家直銷</p><p style="text-indent:25px">避雷針價格，湖北乾元上風電氣供應，品質(zhì)有保證！襄陽小區(qū)避雷針安裝</p><h2> 避雷針的保護范圍是多少？ </h2> <p> <span style="display:none;"></span><span style="font-size:16px;">避雷針的工作原理就其本質(zhì)而言，避雷針不是避雷，而是利用其高聳空中的有利地來位，把雷電引向自身，承受雷擊。同時把雷電流泄入大地，起著保護其附源近比它矮的建筑物或設(shè)備免受雷擊的作用。簡單一點說，一級保護是以30米為半徑、二級保護是45米為半百徑、三級保護是60米為半徑做弧的保護范圍。計算方法避雷針的保護半徑與高度（h）有關(guān)，以及與所現(xiàn)的滾球半徑有關(guān)， D為滾球半徑（度閃擊距離）類建筑物為D＝30米第二類建筑物為D＝45米第三類建筑物為D＝60米保護范圍采用規(guī)范之計算公式： Rx=?{h(2hr-h)}-?{hx(2hr-hx)} 其中Rx為避雷針在距離地問面hx米處的保護半徑（米）； hr為滾球半徑,根據(jù)建筑物類別取值30、45、60； hx為被保護物的高度一般來說，避雷針越高，保護范圍就越大，保護效果也越好，但考慮到避雷針建設(shè)的安全性和經(jīng)濟答性，避雷針大多建設(shè)在35米-45米之間。</span> 襄陽小區(qū)避雷針安裝</p><p style="text-indent:25px">湖北乾元上風電氣工程有限公司主要經(jīng)營范圍是電工電氣，擁有一支專業(yè)技術(shù)團隊和良好的市場口碑。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下武漢防雷檢測，變電站防雷接地，機房避雷針安裝，避雷針深受客戶的喜愛。公司從事電工電氣多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務。湖北乾元上風立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3037063.html</p></div></div></div></div></div><div id="igylnfc" class="page-right twoColRt"><div id="xxp8fnf" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ooqnfco" class="recomPic likePro"><a href="http://m.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" 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</p></a></div><div id="fprtlik" class="recomPic likePro"><a 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