如何調整吊車的制動裝置

2019-12-23 687

  為(wei)了緩解制(zhi)(zhi)動(dong)器(qi)的磨損(sun),減輕因制(zhi)(zhi)動(dong)過(guo)猛發生的沖(chong)擊和(he)(he)振蕩,推薦支持(chi)制(zhi)(zhi)動(dong)和(he)(he)操控(kong)制(zhi)(zhi)動(dong)并用。江門大型吊車(che)出租操控(kong)制(zhi)(zhi)動(dong)一般為(wei)電力制(zhi)(zhi)動(dong),如再生制(zhi)(zhi)動(dong)、反接制(zhi)(zhi)動(dong)、能耗制(zhi)(zhi)動(dong)和(he)(he)渦流制(zhi)(zhi)動(dong)等。電力制(zhi)(zhi)動(dong)僅用于耗費動(dong)能,使組織(zhi)安全減速。

  在與電力制(zhi)(zhi)動(dong)并用(yong)時,支(zhi)持制(zhi)(zhi)動(dong)器的最(zui)低(di)安(an)(an)全系數應單獨(du)滿意原(yuan)有的規則。也可以(yi)選用(yong)二次(ci)制(zhi)(zhi)動(dong)減少磨(mo)損和沖擊,第(di)一次(ci)制(zhi)(zhi)動(dong)用(yong)于(yu)耗(hao)費動(dong)能,使機械安(an)(an)全減速并停止,第(di)2次(ci)制(zhi)(zhi)動(dong)確保支(zhi)持制(zhi)(zhi)動(dong)的安(an)(an)全,如(ru)用(yong)于(yu)防風制(zhi)(zhi)動(dong)。

江門大型吊車出租

  國家規范(fan)規則:關于吊鉤吊車,當(dang)起(qi)升(sheng)組織工(gong)作級別等于或高(gao)于M4且額定起(qi)升(sheng)速(su)(su)度等于或高(gao)于5m/min時,應(ying)選用電氣制(zhi)動(dong)方法,確保在(0.2—1.0)倍額定起(qi)重量范(fan)圍內(nei)的(de)載荷下(xia)降時,制(zhi)動(dong)前的(de)電機(ji)轉速(su)(su)降至同(tong)步轉速(su)(su)的(de)1,3以下(xia)。慣(guan)例規范(fan)制(zhi)動(dong)器(qi)(qi)的(de)工(gong)作環境(jing)中不得有(you)易燃、易爆(bao)、及腐蝕性氣體(ti),如環境(jing)情況超出(chu)有(you)關規則,應(ying)選用防爆(bao)型制(zhi)動(dong)器(qi)(qi)。

  制(zhi)(zhi)動(dong)(dong)器(qi)規格確認(ren)之后,為了(le)確保制(zhi)(zhi)動(dong)(dong)器(qi)既能有(you)效地制(zhi)(zhi)動(dong)(dong)或(huo)支持載荷,又防止制(zhi)(zhi)動(dong)(dong)間(jian)(jian)隔過長或(huo)制(zhi)(zhi)動(dong)(dong)過猛形(xing)成(cheng)沖擊(ji),應(ying)校(xiao)核被制(zhi)(zhi)動(dong)(dong)組(zu)織(zhi)(zhi)的(de)均(jun)勻減速(su)度、制(zhi)(zhi)動(dong)(dong)時(shi)間(jian)(jian)、制(zhi)(zhi)動(dong)(dong)間(jian)(jian)隔。江(jiang)門吊車(che)租借(jie)不同(tong)設備應(ying)用于不同(tong)工況,有(you)關規范對相應(ying)組(zu)織(zhi)(zhi)的(de)均(jun)勻減速(su)度、制(zhi)(zhi)動(dong)(dong)時(shi)間(jian)(jian)、制(zhi)(zhi)動(dong)(dong)間(jian)(jian)隔均(jun)作了(le)明確的(de)規則。

  關于筆直式制(zhi)(zhi)動(dong)(dong)的制(zhi)(zhi)動(dong)(dong)器和在(zai)高溫(wen)環(huan)境(jing)中頻繁運用的制(zhi)(zhi)動(dong)(dong)器應(ying)進(jin)行發熱驗算,江門大型吊車出(chu)租查驗制(zhi)(zhi)動(dong)(dong)器在(zai)最高許用溫(wen)度下發出(chu)的熱量是(shi)否大于制(zhi)(zhi)動(dong)(dong)過程中發生的熱量,以防止摩擦面過熱損壞或(huo)失效。

文章源自:江門大型吊車出租 //wnxu.cn/


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