千萬不能忽視電梯抖動_長春電梯_長春進口電梯_華昱（吉林?。╇娞萦邢薰?/title> <meta name="description" content="發展至今“華昱”具有從事電梯行業20余年的專家團隊為您服務，公司總部坐落于吉林省長春市凈月區CBD商務中心，公司下設：遼源、柳河兩大服務中心。世界知名品牌的乘客電梯、家用電梯、載貨電梯、醫用電梯、自動扶梯、自動人行道以及特種電梯的經銷、安裝及售后服務。 " /> <meta name="keywords" content="長春電梯|長春進口電梯|長春乘客電梯|長春家用電梯|長春別墅電梯|長春電梯保養|長春商用電梯|長春電梯刷卡|長春電梯無線五方對講|井道式施工施工升降機|進口電梯|" /> <link href="/templets/code/css/global.css" rel="stylesheet" /> <link href="/templets/code/css/common.css" rel="stylesheet" /> <link href="/templets/code/css/footer.css" rel="stylesheet" /> <script src="/templets/code/js/jquery-1.10.2.min.js"></script> <script src="/templets/code/js/menu.js"></script> <script src="/templets/code/js/jquery-1.11.2.min.js"></script> <script src="/templets/code/js/jquery.superslide.2.1.1.js"></script>  <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"><track id="pdeyo"></track><table id="pdeyo"><cite 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主機曳引輪、導向輪的軸承間隙大；曳引輪和導向輪自身的動態平衡不良；曳引機或齒輪箱內的軸承不良；曳引機減速箱蝸桿與電機軸同心度超差時均可出現周期性的振動激勵，產生電梯運行抖動。因此，首先應提高曳引輪和導向輪的產品質量及拼裝質量，對于不良軸承及時更換，消除周期性的激勵源。主機底座減振橡膠不良產生抖動主機底座一般用４塊減振橡膠支撐，由于鋼度及阻力不一，易形成３塊橡膠在同一平面上支撐主機。在曳引機曳引力的作用下產生周期性的晃動。此時應更換已變形的減振橡膠，使４塊橡膠在同一平面上共同支持主機，使其達到良好的減振效果。</p> <p> </p> <p> 電梯、電梯導軌安裝不良產生的抖動</p> <p> </p> <p> 電梯導軌安裝不良主要有導軌的垂直度、間距、導軌接縫和接頭臺階超過國標規定誤差范圍。導軌支架上的固定膨脹螺絲、導軌的壓導板螺絲松動；導軌支架與導軌底座連接縫隙過大或兩個工作面嚴重不平行。安裝電梯過程對產品保護不良造成導軌局部扭曲、導軌工作面出現凹坑或電焊的疤痕，均能在轎廂上下運行時產生振動和噪聲。</p> <p> </p> <p> １、電梯的機械振動</p> <p> </p> <p> １．曳引機</p> <p> </p> <p> 曳引機具有其固有共振，而且其他小型設備還會造成曳引機發生微震，在電梯運行的時候，此因素會加劇曳引機以及電梯的振幅，使得乘坐電梯的人們感到不適。諸多當蝸輪副側具有非常大的間隙時，或者電機軸承發生嚴重磨損時等等，此安裝因素會對電梯在運行時出現的位置誤差造成極大影響，使得曳引機電機出現不平衡的振動，從而加大電梯的振動。</p> <p> </p> <p> ２．導軌裝置</p> <p> </p> <p> 導軌能夠有效的保證電梯在正確的軌跡上運行，然而電梯運行時引起的振動大小也會在很大程度上取決于導軌安裝的誤差多少以及牢固程度。諸如，如果安裝不夠牢固，那么電梯的運行軌跡就會改變，于是就使得電梯發生更加嚴重的振動。在使用導軌的時候，部分電梯會因此出現彎曲變形，那么在接口的位置就會對電梯運行距離產生影響，于是導軌軌跡出現偏差，就會產生振動。</p> <p> </p> <p> 在安裝以及使用導軌時，極易產生不充足的導軌彈簧預緊力，尤其是在出現安裝誤差時，電梯橋廂在一段時間的運行以后會造成導軌變形，于是緊固件以及導軌之間，橋廂以及導軌之間會出現嚴重振動以及摩擦，于是電梯中的乘客會感受不適。更為嚴重者會造成電梯線路的短路，從而引起火災等等。</p> <p> </p> <p> ３．橋廂</p> <p> </p> <p> 科學、合理的橋廂設計能夠有效的確保電梯運行中乘客的舒適性。然而很多設計人員的設計電梯橋廂的時候都是憑借個人的主觀經驗，根本不能確保橋廂尺寸與結構的合理性，使得橋廂具有不合理的硬度以及剛度。在電梯運行的時候，橋廂壁會比較接近于系統的固有頻率，于是就會出現共振。諸如如果橋廂較重，那么就會加大其運行時的慣性，從而造成系統的動態變差。與此同時，一些橋廂底部具有不科學的結構設計，設置的防震設施非常少，這樣在電梯停止的剎那間就會產生太大的電梯橋廂接觸，在碰撞的作用下，就會產生振動，從而極大的降低電梯的舒適度。</p> <p> </p> <p> ２、電梯的振動</p> <p> </p> <p> </p> <p> 電動機會促進電梯的順利運行，其工作質量取決于其電機質量的優劣。如果電動機轉子以及定子之間存在太大的誤差，那么就會由于其具有不一樣的運轉電磁力造成電機出現偏心距，使得電機發生振動。如果振動嚴重，那么電纜的正常工作就會受到影響。而且，由于每一組的回路磁力存在區別，那么在長時間以后就極易產生緊固件松動。</p> <p> </p> <p> ２．控制與拖動系統</p> <p> </p> <p> 電梯運行時出現振動的情況也會在很大程度上取決于控制與拖動系統的運行準確性與進度。在通常狀況下，出現振動的可能性隨著控制要求的增高而增大。因此，應該依照現實的性能標準以及使用要求，對電梯的控制精度進行科學合理的選擇。如在控制系統里，當控制三相電壓的時候，在通常狀況下，往往會選用調速器對濾波過程中的選通模式給予合理的控制，當調速器具有非常大的ｐ值時，就會形成較小的電流ｉ值，那么三相電壓控制就會受到影響，于是就會在某種程度上干擾調速器給定信號，使得電機不能正常的進行工作。</p> <p> </p> <p> ３、減少振動的對策</p> <p> </p> <p> １．更改激振頻率</p> <p> </p> <p> 電梯運行時出現振動的一個關鍵性因素即為共振，因此為了減小振動，應該先更改曳引機的激振頻率，保證其與自身的固有頻率產生較大差別，于是盡可能的減小出現共振的概率。在傳播振動的時候，能夠將它種消振方法使用在電梯以及曳引機之間相互連接的部位，從而造成其他形式的振動傳播，有效的減少振動。</p> <p> </p> <p> ２．更改橋廂的隔振設施</p> <p> </p> <p> 在電梯運行停止的時候，其橋廂底部會碰撞導軌，于是影響電梯的振動。因此能夠將軟硬度合適的隔振橡膠放置在橋廂底部，從而減緩碰撞，保證橋廂進行軟著陸，減少電梯振動，使得人們能夠更加舒適的乘坐電梯。</p> <p> </p> <p> ３．定期對電梯設施安裝的完備性進行檢測</p> <p> </p> <p> 電梯的振動情況會在極大程度上受到電梯使用中出現的形變以及安裝誤差的影響。因此在使用電梯的時候，必須要給予定期檢查，對其安裝部件與設備的完備性進行檢查。如檢查電機振動是否符合振動標準，檢查緊固件的緊固性是不是滿足相應的標準等，如果部件不符合使用標準或要求，應該對電梯給予合理的維修或更換，從而保證各部件的硬度和強度等等。并且對每一根鋼絲繩的張力給予調整和檢查，保證其張力的達標性，有效消除振動。</p> <p> </p> <p> 聲明：本文轉載自網絡，不代表本平臺立場，僅供讀者參考，著作權屬歸原創者所有。我們分享此文出于傳播更多資訊之目的。如有侵權，請在后臺留言聯系我們進行刪除，謝謝!</p> </div> </div> <div class="n-p clear"> <li class="p">上一篇：<a href='/dynamic/68.html'>中國電梯發展縮影，快意３４年風雨歷程回顧！</a> </li> <li class="n">下一篇：<a href='/dynamic/71.html'>長春別墅電梯安全知識有哪些?</a> </li> </div> </div> </div> </div> </div> <div class="footer1"> <div class="footer_middle"> <div class="footer_middle_logo"><img src="/templets/code/images/footer_middle_logo.png" 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