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基礎信息Product information

產(chan)品名稱:液壓(ya)直動(dong)制動(dong)器

產(chan)品(pin)型號:DADH195-DZ

產品簡介:

液(ye)壓(ya)直動(dong)(dong)(dong)(dong)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)簡稱長沖程制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(三相制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi));液(ye)壓(ya)推桿式(shi)雙閘瓦制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi),簡稱推桿式(shi)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)三種。抱(bao)閘是(shi)橋式(shi)起重機的制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi),還有防(fang)撞0位器(qi)(qi)(qi)(qi)。安(an)裝操(cao)作(zuo)情況不同,制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)分(fen)為常(chang)(chang)(chang)閉(bi)式(shi)、常(chang)(chang)(chang)開式(shi)、綜合(he)式(shi)三種類(lei)型。起重機上多數采用(yong)常(chang)(chang)(chang)閉(bi)式(shi)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi),常(chang)(chang)(chang)閉(bi)式(shi)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)在機構不工作(zuo)期間是(shi)閉(bi)合(he)的。如果想要機構工作(zuo),只需要焦(jiao)作(zuo)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)松(song)閘將制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)的摩擦副分(fen)開。

產品特性Product characteristics

 液壓直動制動器液壓直動制動器

可分為(wei)常(chang)(chang)(chang)閉(bi)式(shi)和常(chang)(chang)(chang)開式(shi)兩(liang)種。常(chang)(chang)(chang)閉(bi)式(shi)制動器(qi)經(jing)常(chang)(chang)(chang)處(chu)于(yu)合閘(zha)狀態,當機構(gou)工作時,可用電磁(ci)鐵或電力液壓推桿器(qi)等外力的作用使之(zhi)松(song)閘(zha)。常(chang)(chang)(chang)開式(shi)制動器(qi)與(yu)之(zhi)相(xiang)反,它經(jing)常(chang)(chang)(chang)處(chu)于(yu)松(song)閘(zha)狀態,只有施加外力時,才(cai)能使它合閘(zha)。從工作安全出(chu)發(fa),起重機的各工作機構(gou)都應采(cai)用常(chang)(chang)(chang)閉(bi)式(shi)制動器(qi)。從工作狀態來看,0選(xuan)常閉式,只有通(tong)電時才能松開工作(zuo),以免(mian)突然(ran)斷電重物(wu)自(zi)由下滑傷人。

制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)的(de)(de)(de)類(lei)型與(yu)結(jie)構(gou)橋式(shi)起(qi)(qi)重機的(de)(de)(de)常用的(de)(de)(de)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)有:短(duan)行(xing)程(cheng)電(dian)子塊(kuai)式(shi)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)、長行(xing)程(cheng)瓦式(shi)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)、液壓推桿瓦式(shi)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)、液壓電(dian)磁(ci)瓦塊(kuai)式(shi)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)等。塊(kuai)式(shi)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)①短(duan)行(xing)程(cheng)電(dian)子塊(kuai)式(shi)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi):短(duan)行(xing)程(cheng)制(zhi)(zhi)動(dong)(dong)(dong)(dong)器(qi)(qi)結(jie)構(gou)簡單(dan)、質量輕、制(zhi)(zhi)動(dong)(dong)(dong)(dong)快。缺點是沖擊(ji)和噪聲壽命短(duan),制(zhi)(zhi)動(dong)(dong)(dong)(dong)力矩小,有時(shi)有剩磁(ci)現(xian)象,只(zhi)適用于起(qi)(qi)升機構(gou),無防(fang)爆型要用直流電(dian)源時(shi)需要更(geng)換電(dian)磁(ci)鐵。

長行程(cheng)(cheng)塊式制(zhi)動器(qi):這種制(zhi)動器(qi)的(de)優點是行程(cheng)(cheng)可以獲得較0的制(zhi)動力矩,制(zhi)動快(kuai),很(hen)少有剩磁(ci)(ci)(ci)現(xian)象,比較(jiao)安全。缺點是沖擊和噪聲較(jiao)壽命不夠長,構件多且(qie)復雜(za),體積和質量效(xiao)率低,只適用于起(qi)升機構。電力液(ye)壓(ya)塊(kuai)式制(zhi)動器:用液(ye)壓(ya)電磁(ci)(ci)(ci)塊(kuai)替代長行程塊(kuai)式制(zhi)動器電磁(ci)(ci)(ci)鐵(tie),有YWZ(液壓推桿)和YDWZ(液(ye)壓電磁(ci)鐵)兩(liang)種。YWZ型制(zhi)動平穩。

無噪聲、體積(ji)小,用(yong)于運行機(ji)構(gou)和(he)回轉機(ji)構(gou)較(jiao)(jiao)好。因其制停(ting)動(dong)作較(jiao)(jiao)慢,不(bu)適宜起升機(ji)構(gou)使用(yong),以防溜(liu)鉤。YDWZ型(xing)各種性(xing)能都較好,而(er)且不需(xu)經(jing)常調整,只需(xu)直流電源(yuan)即可(ke)。帶式制(zhi)動器:在外形尺(chi)寸受0制,制動(dong)轉矩要求很0的場合,可考(kao)慮(lv)選用帶(dai)式制動器,流動式起重機(ji)上多采用這種(zhong)制動裝置。帶(dai)式制動器的缺點是安全性較低,制動帶(dai)斷裂將造成(cheng)嚴重后(hou)果。

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    請輸入計算結果(填寫阿拉(la)伯數字),如:三加(jia)四(si)=7

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