一、電動葫蘆的組成結構

電動葫蘆結構緊湊，電機軸(zhou)(zhou)線(xian)垂直于卷筒軸(zhou)(zhou)線(xian)的電動葫蘆采(cai)用(yong)蝸(gua)輪(lun)傳動裝置。其(qi)缺點為：長度(du)尺寸大，寬度(du)方面尺寸大，結構粗笨，機械效率低，加工較難等。液壓(ya)(ya)系統(tong)為雙重控(kong)制(zhi)，溢流調節閥、磁接點壓(ya)(ya)力(li)表均可對壓(ya)(ya)力(li)進行(xing)精確(que)的控(kong)制(zhi)。電器(qi)控(kong)制(zhi)部門采(cai)用(yong)了低電壓(ya)(ya)控(kong)制(zhi)，增加了支配系統(tong)的安全性。

起重量一般為 0.3～80噸，起升(sheng)高度為3～30米(mi)。由電(dian)(dian)動(dong)機(ji)(ji)(ji)、傳動(dong)機(ji)(ji)(ji)構和(he)(he)卷筒或鏈輪組成(cheng)，分為鋼絲繩電(dian)(dian)動(dong)葫(hu)蘆(lu)和(he)(he)環鏈電(dian)(dian)動(dong)葫(hu)蘆(lu)兩種。其中(zhong)環鏈電(dian)(dian)動(dong)葫(hu)蘆(lu)分為進口和(he)(he)國(guo)產兩種；鋼絲繩電(dian)(dian)動(dong)葫(hu)蘆(lu)分單速提(ti)(ti)升(sheng)、雙速提(ti)(ti)升(sheng)；微型電(dian)(dian)動(dong)葫(hu)蘆(lu)、卷揚機(ji)(ji)(ji)、多功能提(ti)(ti)升(sheng)機(ji)(ji)(ji)。

（一）組成結構

減速(su)器、起升電(dian)機、運行電(dian)機、斷火器、電(dian)纜滑(hua)線、卷筒裝置、吊鉤裝置、聯軸器、軟纜電(dian)流引入(ru)器等集動力(li)與(yu)制動力(li)于一體。

起重量：0.25t-80t

起升高度：3m-30m

工作級別：M3，M4

運行速度：20(30)m/min

起升(sheng)速度：8m/min

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（二）安裝使用

電(dian)動葫蘆(lu)一般安裝(zhuang)在(zai)單梁起(qi)重(zhong)機，橋式起(qi)重(zhong)機，門(men)式起(qi)重(zhong)機，懸掛(gua)起(qi)重(zhong)機上。稍加改造(zao)，還可以(yi)作卷揚(yang)機用。因此，它是提高勞動效(xiao)率，改善勞動條件的必備機械。

（三）運行條件

環境(jing)溫度：-20℃～+40℃

工作(zuo)制度：中級JC25%

重級：JC40%

當中級工作制度電動葫蘆(lu)的(de)(de)起重(zhong)量降低(di)30%時(shi)，即(ji)為重(zhong)級工作制度JC40%的(de)(de)電動葫蘆(lu)。

重(zhong)級工(gong)作(zuo)制(zhi)度JC40%的電動葫蘆是(shi)用在工(gong)作(zuo)比較(jiao)繁(fan)重(zhong)，負載經常在額定值(zhi)或要求(qiu)安全(quan)系數較(jiao)高的情況下。

電動(dong)葫蘆(lu)結構(gou)減速器(qi)：采用三級定軸(zhou)斜齒輪轉(zhuan)動(dong)機構(gou)，齒輪和齒輪軸(zhou)用經(jing)過(guo)熱(re)處理(li)的合金(jin)鋼制(zhi)(zhi)成(cheng)，箱(xiang)體，箱(xiang)蓋(gai)由(you)優質鑄鐵制(zhi)(zhi)成(cheng)，裝(zhuang)配嚴密(mi)，密(mi)封良好。減速器(qi)自(zi)成(cheng)一個部件，裝(zhuang)卸極(ji)為方便。

控制箱：采用能在緊急情況(kuang)下切斷主電路，并帶有上下行程保護斷火限(xian)位器的裝置。確保了電動葫蘆(lu)的安全運(yun)行。電器元(yuan)件壽命長，使用可(ke)靠。

鋼(gang)(gang)(gang)絲(si)繩(sheng)：起重鋼(gang)(gang)(gang)絲(si)繩(sheng)包括磷化涂層鋼(gang)(gang)(gang)絲(si)繩(sheng)、鍍鋅鋼(gang)(gang)(gang)絲(si)繩(sheng)和不銹鋼(gang)(gang)(gang)絲(si)繩(sheng)，執行(xing)現(xian)行(xing)國家標(biao)準(zhun)GB8918-2006重要用途鋼(gang)(gang)(gang)絲(si)繩(sheng)，保證了(le)經久(jiu)耐(nai)用。

錐形電動(dong)機：起升電機采(cai)用(yong)較大(da)起動(dong)力矩錐形轉(zhuan)子制動(dong)異步電動(dong)機，無須外加制動(dong)器(qi)。電機負載持(chi)續率為25%，電機采(cai)用(yong)B級(ji)或F級(ji)絕緣，電機防(fang)護等級(ji)IP44/IP54。

按鈕開關：手(shou)操作輕巧靈便(bian)，分有繩操縱和無(wu)線遙(yao)控(kong)兩種方式。

電動葫(hu)蘆的組成部分有：電機、傳(chuan)動機構(gou)、卷(juan)筒(tong)和鏈(lian)輪。

以電機(ji)和卷筒相互位置(zhi)不(bu)同大(da)致可分為四種類型(xing)：

1、電(dian)機軸(zhou)線垂(chui)直于卷筒軸(zhou)線的電(dian)動葫蘆(lu)采用蝸輪(lun)傳動裝置，寬度(du)方(fang)面(mian)尺寸大， 結(jie)構(gou)笨重， 機械(xie)效率低，加工較困難，已沒有廠家生(sheng)產(chan)這(zhe)種結(jie)構(gou)型式的產(chan)品了。

2、電(dian)(dian)動(dong)機軸線(xian)(xian)平行于卷(juan)筒軸線(xian)(xian)的電(dian)(dian)動(dong)葫蘆，其優點為(wei)高度與長度尺寸小。其缺點為(wei)寬度尺寸大(da)，分組性(xing)、制造(zao)與裝配(pei)復(fu)雜(za)，軌道轉彎(wan)半徑大(da)。

3、電(dian)機裝在(zai)卷筒(tong)里面(mian)的電(dian)動葫(hu)蘆，其(qi)優(you)點(dian)為長度尺寸小，結(jie)構(gou)緊湊。其(qi)主要缺(que)點(dian)為電(dian)機散熱條件(jian)差(cha)，分組性差(cha)，檢(jian)查、安(an)裝、維(wei)護電(dian)機不便， 供(gong)電(dian)裝置復(fu)雜。

4、電機裝(zhuang)在(zai)卷筒外面的電動葫(hu)蘆，其優(you)點(dian)為分(fen)組性好、通用化程度(du)高、改(gai)變起升高度(du)容易、安(an)裝(zhuang)檢修方便。其缺點(dian)為長(chang)度(du)尺寸大。

二、電動葫蘆卷筒外罩型號與卷筒尺寸

（一）電動葫蘆卷筒外罩型號

電動葫蘆卷筒(tong)的起重(zhong)量主(zhu)流的有5t、1t、2t、3t、5t、10t、16t等，對應的卷筒(tong)外罩的具體型號如(ru)下：

0.5t-6m卷(juan)筒外(wai)罩(zhao)、0.5t-9m卷(juan)筒外(wai)罩(zhao)、0.5t-12m卷(juan)筒外(wai)罩(zhao)、0.5t-18m卷(juan)筒外(wai)罩(zhao);

1t-6m卷(juan)(juan)筒(tong)(tong)外罩(zhao)、1t-9m卷(juan)(juan)筒(tong)(tong)外罩(zhao)、1t-12m卷(juan)(juan)筒(tong)(tong)外罩(zhao)、1t-18m卷(juan)(juan)筒(tong)(tong)外罩(zhao)、1t-24m卷(juan)(juan)筒(tong)(tong)外罩(zhao)、1t-30m卷(juan)(juan)筒(tong)(tong)外罩(zhao);

2t-6m卷(juan)(juan)筒(tong)外(wai)罩、2t-9m卷(juan)(juan)筒(tong)外(wai)罩、2t-12m卷(juan)(juan)筒(tong)外(wai)罩、2t-18m卷(juan)(juan)筒(tong)外(wai)罩、2t-24m卷(juan)(juan)筒(tong)外(wai)罩、2t-30m卷(juan)(juan)筒(tong)外(wai)罩;

3t-6m卷筒(tong)(tong)(tong)外(wai)罩(zhao)(zhao)、3t-9m卷筒(tong)(tong)(tong)外(wai)罩(zhao)(zhao)、3t-12m卷筒(tong)(tong)(tong)外(wai)罩(zhao)(zhao)、3t-18m卷筒(tong)(tong)(tong)外(wai)罩(zhao)(zhao)、3t-24m卷筒(tong)(tong)(tong)外(wai)罩(zhao)(zhao)、3t-30m卷筒(tong)(tong)(tong)外(wai)罩(zhao)(zhao);

5t-6m卷(juan)筒(tong)(tong)外(wai)(wai)罩(zhao)、5t-9m卷(juan)筒(tong)(tong)外(wai)(wai)罩(zhao)、5t-12m卷(juan)筒(tong)(tong)外(wai)(wai)罩(zhao)、5t-18m卷(juan)筒(tong)(tong)外(wai)(wai)罩(zhao)、5t-24m卷(juan)筒(tong)(tong)外(wai)(wai)罩(zhao)、5t-30m卷(juan)筒(tong)(tong)外(wai)(wai)罩(zhao);

10t-9m卷筒(tong)外(wai)(wai)(wai)罩(zhao)(zhao)、10t-12m卷筒(tong)外(wai)(wai)(wai)罩(zhao)(zhao)、10t-18m卷筒(tong)外(wai)(wai)(wai)罩(zhao)(zhao)、10t-24m卷筒(tong)外(wai)(wai)(wai)罩(zhao)(zhao)、10t-30m卷筒(tong)外(wai)(wai)(wai)罩(zhao)(zhao);

16t-9m卷(juan)(juan)筒外(wai)罩、16t-12m卷(juan)(juan)筒外(wai)罩、16t-18m卷(juan)(juan)筒外(wai)罩。

下面是電動葫蘆(lu)卷(juan)筒(tong)外罩型號(hao)尺(chi)寸圖：

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（二）電動葫蘆卷筒尺寸

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