江門大型吊車的制動裝置如何調整

2019-11-11 795

  為了(le)緩解制(zhi)(zhi)動(dong)器的磨損(sun),減(jian)輕因制(zhi)(zhi)動(dong)過猛(meng)發生的沖(chong)擊(ji)和振動(dong),引薦支(zhi)撐制(zhi)(zhi)動(dong)和操控(kong)制(zhi)(zhi)動(dong)并用(yong)(yong)。江門大(da)型吊車(che)出租(zu)操控(kong)制(zhi)(zhi)動(dong)一般(ban)為電力制(zhi)(zhi)動(dong),如再生制(zhi)(zhi)動(dong)、反(fan)接制(zhi)(zhi)動(dong)、能耗制(zhi)(zhi)動(dong)和渦流制(zhi)(zhi)動(dong)等。電力制(zhi)(zhi)動(dong)僅用(yong)(yong)于(yu)消耗動(dong)能,使機構安(an)全減(jian)速。

  在與電(dian)力制(zhi)(zhi)動(dong)(dong)(dong)并用(yong)時,支撐制(zhi)(zhi)動(dong)(dong)(dong)器的(de)最(zui)低安(an)全系數(shu)應單獨(du)滿足原(yuan)有的(de)規則。也(ye)能(neng)夠選(xuan)用(yong)二次制(zhi)(zhi)動(dong)(dong)(dong)削減磨損(sun)和沖擊,第(di)一次制(zhi)(zhi)動(dong)(dong)(dong)用(yong)于(yu)消(xiao)耗動(dong)(dong)(dong)能(neng),江門(men)大型吊車(che)出租使機械安(an)全減速(su)并停止,第(di)2次制(zhi)(zhi)動(dong)(dong)(dong)確(que)保支撐制(zhi)(zhi)動(dong)(dong)(dong)的(de)安(an)全,如用(yong)于(yu)防(fang)風制(zhi)(zhi)動(dong)(dong)(dong)。

江門大型吊車出租

  國家(jia)標(biao)準規(gui)則(ze):關于吊(diao)鉤吊(diao)車(che),當起(qi)升(sheng)機(ji)構作業等級等于或(huo)高于M4且額外起(qi)升(sheng)速度等于或(huo)高于5m/min時(shi),應選(xuan)用(yong)(yong)電氣制(zhi)(zhi)動方(fang)法,確保在(0.2—1.0)倍額外起(qi)重量范圍內的(de)載荷下(xia)降(jiang)時(shi),制(zhi)(zhi)動前的(de)電機(ji)轉速降(jiang)至同步轉速的(de)1,3以下(xia)。常規(gui)標(biao)準制(zhi)(zhi)動器(qi)的(de)作業環(huan)境中不得有易燃、易爆、及腐蝕性氣體(ti),如環(huan)境情況超出有關規(gui)則(ze),應選(xuan)用(yong)(yong)防爆型制(zhi)(zhi)動器(qi)。

  制(zhi)(zhi)(zhi)動(dong)(dong)器(qi)標準(zhun)確認之后,為了確保(bao)制(zhi)(zhi)(zhi)動(dong)(dong)器(qi)既(ji)能(neng)有(you)效(xiao)地制(zhi)(zhi)(zhi)動(dong)(dong)或支撐載(zai)荷,又防(fang)止制(zhi)(zhi)(zhi)動(dong)(dong)距離過(guo)(guo)長或制(zhi)(zhi)(zhi)動(dong)(dong)過(guo)(guo)猛形成(cheng)沖擊,應校(xiao)核(he)被制(zhi)(zhi)(zhi)動(dong)(dong)機構的(de)(de)均(jun)勻減速度(du)、制(zhi)(zhi)(zhi)動(dong)(dong)時間(jian)、制(zhi)(zhi)(zhi)動(dong)(dong)距離。不(bu)同設備應用于不(bu)同工況,江(jiang)門大型吊車(che)出租有(you)關標準(zhun)對相(xiang)應機構的(de)(de)均(jun)勻減速度(du)、制(zhi)(zhi)(zhi)動(dong)(dong)時間(jian)、制(zhi)(zhi)(zhi)動(dong)(dong)距離均(jun)作了明(ming)確的(de)(de)規則。關于筆直式制(zhi)(zhi)(zhi)動(dong)(dong)的(de)(de)制(zhi)(zhi)(zhi)動(dong)(dong)器(qi)和在(zai)高溫環境中頻頻運用的(de)(de)制(zhi)(zhi)(zhi)動(dong)(dong)器(qi)應進行發熱(re)驗(yan)(yan)算,查驗(yan)(yan)制(zhi)(zhi)(zhi)動(dong)(dong)器(qi)在(zai)最高許用溫度(du)下(xia)發出的(de)(de)熱(re)量是否大于制(zhi)(zhi)(zhi)動(dong)(dong)過(guo)(guo)程中發生的(de)(de)熱(re)量,以防(fang)止沖突(tu)面(mian)過(guo)(guo)熱(re)損壞或失效(xiao)。

文章源自:江門大型吊車出租 //wnxu.cn/


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