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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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src="https://tyunfile.71360.com/UploadFile/dingligaoke/637381341551162109/613679.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7qczyfr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/dingligaoke/637381341551162109/613679.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="imt7tqx" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>慢速卷揚機,卷揚機</p><p><span>***更新：</span>2021-01-20 05:12:57</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="xw2uw2l" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江陰鼎力高科起重機械有限公司</a></p><p><span>聯(lián)系人：</span>周剛</p><p><span>郵箱: </span>494869814@qq.com</p><p><span>電話: </span>13961686888</p><p><span>傳真: </span>0510_86994444</p><p><span>網(wǎng)址: </span>http://www.dlcranes.com</p><p><span>手機: </span>0510-86991199</p><p><span>地址: </span>經(jīng)濟(jì)開發(fā)區(qū)</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="keqsuwd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="cw8xegi" class="box"><p><p style="text-indent:25px">卷揚機的保養(yǎng)維護(hù)：1、當(dāng)軸承的壽命終了時，電動機運行的振動及噪聲將明顯增大，檢查軸承的徑向游隙達(dá)到下列值時，即應(yīng)更換軸承。2、拆卸電動機時，從軸伸端或非伸端取出轉(zhuǎn)子都可以。如果沒有必要卸下風(fēng)扇，還是從非軸伸端取出轉(zhuǎn)子較為便利，慢速卷揚機，從定子中抽出轉(zhuǎn)子時，應(yīng)防止損壞定子繞組或絕緣。3、更換繞組時必須記下原繞組的形式，尺寸及匝數(shù)，慢速卷揚機，線規(guī)等，慢速卷揚機，當(dāng)失落了這些數(shù)據(jù)時，應(yīng)向制造廠索取，隨意更改原設(shè)計繞組，常常使電動機某項或幾項性能惡化，甚至于無法使用。卷揚機作業(yè)中，司機、信號員要同吊起物保持良好的可見度，司機與信號員應(yīng)密切配合，服從信號統(tǒng)一指揮。慢速卷揚機</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="慢速卷揚機,卷揚機" src="https://tyunfile.71360.com/UploadFile/dingligaoke/637381341551162109/613679.png"></div><p style="text-indent:25px">對于卷揚機出現(xiàn)軸承間隙的問題，有人認(rèn)為，既然噪聲是伴隨卷筒總成和傳動件，那么就可能由于卷筒滑動軸承間隙大而引起。我們對卷筒零件配合間隙進(jìn)行選擇，保證軸承孔與主軸間隙符合圖紙要求，裝配后進(jìn)行試驗。試驗時采用變頻電機調(diào)速，觀察速度對噪聲的影響。大量試驗結(jié)果表明，速度對噪聲影響是第1位的，卷筒轉(zhuǎn)速越高則噪聲值越大、機器震動越激烈；間隙在其次，主軸與軸套間隙越大則噪聲也越大；而底盤對噪聲影響較小。如果機器本來噪聲就很低，則速度高低、主軸間隙大小的變化都不會產(chǎn)生過大噪聲，由此表明噪聲超標(biāo)也不是由軸承間隙大而引起的。慢速卷揚機卷揚機的進(jìn)風(fēng)口不應(yīng)受塵土、纖維等阻礙。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="慢速卷揚機,卷揚機" src="https://tyunfile.71360.com/UploadFile/dingligaoke/637381341739140625/5831657.png"></div><p style="text-indent:25px">卷揚機的安全保護(hù)裝置：（1）斷繩保護(hù)裝置吊籃裝載額定載重量，懸掛或運行中發(fā)生斷繩時，斷繩保護(hù)裝置必須可靠地把吊籠剎制在導(dǎo)軌上。（2）載重量限制裝置。（3）上極限限位器當(dāng)?shù)趸\上升達(dá)到限定高度時，限位器即行動作切斷電源或自動報警。（4）下極限限位器當(dāng)?shù)趸\下降至下限位時，限位器應(yīng)自動切斷電源，使吊籠停止下降。（5）吊籠安全門吊籠的上料口處應(yīng)裝設(shè)安全門。安全門宜采用聯(lián)鎖開啟裝置。（6）通訊信號裝置當(dāng)司機不能清楚地看到操作者和信號指揮人員時，必須加裝通訊裝置。</p><p style="text-indent:25px">卷揚機的作用：由人力或機械動力驅(qū)動卷筒、卷繞繩索來完成牽引工作的裝置。垂直提升、水平或傾斜曳引重物的簡單起重機械。分手動和電動兩種。電動卷揚機由電動機、聯(lián)軸節(jié)、制動器、齒輪箱和卷筒組成，共同安裝在機架上。對于起升高度和裝卸量大，工作繁忙的情況下，要求調(diào)速性能好，特別要空鉤能快速下降。對安裝就位或敏感的物料，要能以微動速度下降。JK\JM型卷揚機是一種體積小、重量輕、起重大、操作靈活、安全可靠、經(jīng)久耐用的電動起重機。普遍適用于建筑、橋梁、冶金、礦山等企業(yè)工地中，本機除普遍用于物料升降和大型吊裝工程中作卷揚之外，亦可在斜坡或平地拖拉各種材料和設(shè)備。手搖卷揚機：以人力作為動力，通過驅(qū)動裝置使卷筒回轉(zhuǎn)的卷揚機。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="慢速卷揚機,卷揚機" src="https://tyunfile.71360.com/UploadFile/dingligaoke/637381341397119141/6458801.png"></div><p style="text-indent:25px">卷揚機表面淬火可以提高鋼的疲勞強度，它是將鋼零件的表層加熱到臨界溫度以上，然后快速冷卻以得到硬的馬氏體表層。卷揚機由于它的體積較原材料大，故在表層產(chǎn)生殘余壓應(yīng)力，且硬度大為提高。卷揚機比較普通的表面淬火是火焰淬火，一般用氧乙炔焰。經(jīng)火焰淬火后，硬度層厚度為3—6mm，表層中的壓應(yīng)力約為700MPa。45鋼經(jīng)火焰淬火后，表層硬度可由18088增至580HB。現(xiàn)在卷揚機普遍采用電感應(yīng)表面淬火，又分高頻、中頻及工頻三種。高頻的頻率為2×104Hz以上，用于工件直徑小于80mm的零件，硬化層厚度約為0．5。2．5mm；中頻的頻率為8000Hz左右，用于直徑為80—300ram的零件，硬化層厚度約為10～20mm；工頻的頻率為50Hz，用于直徑大于1100mm的零件，硬化層厚度在20mm以上。卷揚機下班后，應(yīng)切斷電源，關(guān)好電閘箱。慢速卷揚機</p><p style="text-indent:25px">卷揚機用卷筒纏繞鋼絲繩或鏈條提升或牽引重物的輕小型起重設(shè)備，又稱絞車。慢速卷揚機</p><p style="text-indent:25px">卷揚機是皮帶運輸機以及提升設(shè)備等機械的運作動力，在冶金、電力、煤炭、礦山、造紙、建材、化工、復(fù)合肥和筑路機械等行業(yè)都有普遍的應(yīng)用。運用卷揚機時主要要留意以下問題：定期檢查油位，依據(jù)密封狀況調(diào)整油封彈簧或改換油封。卷揚機電器線路中應(yīng)裝置相配套的過載，缺相運轉(zhuǎn)等維護(hù)安裝，防止因電路毛病燒壞電機，形成損失。卷揚機工作的環(huán)境溫度為零下10至40攝氏度，物料溫度要小于60攝氏度，海拔高度比較好不要超越1000米，否則會影響卷揚機的運用壽命和運轉(zhuǎn)。慢速卷揚機</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2926144.html</p></div></div></div></div></div><div id="bv7dkmt" class="page-right twoColRt"><div 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