半門式(shi)(shi)起(qi)(qi)重機(ji)(ji)是一(yi)種介于(yu)橋(qiao)式(shi)(shi)起(qi)(qi)重機(ji)(ji)和(he)龍門起(qi)(qi)重機(ji)(ji)之間(jian)的(de)(de)(de)起(qi)(qi)重設備，?其特(te)點在(zai)于(yu)只(zhi)有一(yi)條支腿，?而另一(yi)端像橋(qiao)式(shi)(shi)起(qi)(qi)重機(ji)(ji)一(yi)樣架(jia)在(zai)廠房的(de)(de)(de)吊車(che)(che)梁上(shang)(shang)。?這種起(qi)(qi)重機(ji)(ji)的(de)(de)(de)運(yun)行(xing)軌(gui)(gui)道分為天軌(gui)(gui)（?架(jia)在(zai)廠房上(shang)(shang)的(de)(de)(de)）?和(he)地軌(gui)(gui)（?在(zai)地面上(shang)(shang)）?。?半門式(shi)(shi)起(qi)(qi)重機(ji)(ji)的(de)(de)(de)起(qi)(qi)升機(ji)(ji)構、?小車(che)(che)運(yun)行(xing)機(ji)(ji)構和(he)橋(qiao)架(jia)結構與橋(qiao)式(shi)(shi)起(qi)(qi)重機(ji)(ji)基本(ben)相(xiang)同(tong)，?但(dan)由于(yu)其跨度(du)較(jiao)大，?運(yun)行(xing)機(ji)(ji)構大多(duo)采用分別(bie)驅動方式(shi)(shi)，?以(yi)防止在(zai)強(qiang)風(feng)作用下滑行(xing)或翻倒，?因(yin)此裝有測風(feng)儀(yi)和(he)夾(jia)軌(gui)(gui)器(qi)。?半門式(shi)(shi)起(qi)(qi)重機(ji)(ji)的(de)(de)(de)額定起(qi)(qi)重量通常在(zai)16噸以(yi)下，?適(shi)用于(yu)輕型和(he)中型的(de)(de)(de)起(qi)(qi)重任務，?如(ru)裝卸貨(huo)物、?維修(xiu)機(ji)(ji)器(qi)和(he)設備等。?
半門(men)式起(qi)(qi)(qi)重(zhong)機(ji)的(de)(de)(de)操(cao)作(zuo)方(fang)式主要包(bao)括(kuo)手動(dong)控(kong)制(zhi)(zhi)、?電(dian)(dian)(dian)動(dong)控(kong)制(zhi)(zhi)和(he)自(zi)動(dong)化控(kong)制(zhi)(zhi)三種。?手動(dong)控(kong)制(zhi)(zhi)適(shi)用(yong)于較小的(de)(de)(de)起(qi)(qi)(qi)重(zhong)任(ren)務(wu)，?通(tong)過人(ren)工拉(la)動(dong)繩(sheng)索或鏈條實現；?電(dian)(dian)(dian)動(dong)控(kong)制(zhi)(zhi)則通(tong)過遙控(kong)器(qi)(qi)或控(kong)制(zhi)(zhi)盒操(cao)作(zuo)，?適(shi)用(yong)于中(zhong)(zhong)型起(qi)(qi)(qi)重(zhong)任(ren)務(wu)；?自(zi)動(dong)化控(kong)制(zhi)(zhi)通(tong)過計算(suan)機(ji)控(kong)制(zhi)(zhi)和(he)傳感器(qi)(qi)實現，?適(shi)用(yong)于復雜的(de)(de)(de)起(qi)(qi)(qi)重(zhong)任(ren)務(wu)。?此外，?半門(men)式起(qi)(qi)(qi)重(zhong)機(ji)的(de)(de)(de)結(jie)(jie)(jie)構(gou)(gou)(gou)特點(dian)包(bao)括(kuo)支架、?懸臂梁、?大車、?小車、?起(qi)(qi)(qi)升(sheng)機(ji)構(gou)(gou)(gou)、?電(dian)(dian)(dian)控(kong)系統(tong)等組成(cheng)部分，?其中(zhong)(zhong)支架通(tong)常建立在地面上(shang)，?具有足(zu)夠的(de)(de)(de)強度和(he)穩定性以確保運(yun)行安全。?懸臂梁結(jie)(jie)(jie)構(gou)(gou)(gou)有桁架結(jie)(jie)(jie)構(gou)(gou)(gou)和(he)梁板結(jie)(jie)(jie)構(gou)(gou)(gou)兩種，?根據起(qi)(qi)(qi)重(zhong)任(ren)務(wu)的(de)(de)(de)需要進行選擇(ze)。?
半(ban)門(men)(men)式(shi)起(qi)(qi)(qi)重(zhong)機(ji)的(de)使(shi)(shi)用(yong)環境分(fen)(fen)為室(shi)(shi)(shi)內和(he)室(shi)(shi)(shi)外兩種(zhong)。?室(shi)(shi)(shi)內使(shi)(shi)用(yong)通常適(shi)(shi)用(yong)于(yu)工廠和(he)車間等場景(jing)，?而室(shi)(shi)(shi)外使(shi)(shi)用(yong)則(ze)(ze)適(shi)(shi)用(yong)于(yu)碼頭、?港口等大(da)(da)型(xing)(xing)起(qi)(qi)(qi)重(zhong)任(ren)務。?根據起(qi)(qi)(qi)重(zhong)能力的(de)不(bu)同，?半(ban)門(men)(men)式(shi)起(qi)(qi)(qi)重(zhong)機(ji)可以分(fen)(fen)為輕(qing)型(xing)(xing)、?中(zhong)型(xing)(xing)和(he)重(zhong)型(xing)(xing)三種(zhong)，?分(fen)(fen)別適(shi)(shi)用(yong)于(yu)不(bu)同規模和(he)強度(du)的(de)起(qi)(qi)(qi)重(zhong)任(ren)務。?輕(qing)型(xing)(xing)半(ban)門(men)(men)式(shi)起(qi)(qi)(qi)重(zhong)機(ji)起(qi)(qi)(qi)重(zhong)能力在(zai)(zai)數(shu)百(bai)千克到數(shu)噸之間，?中(zhong)型(xing)(xing)半(ban)門(men)(men)式(shi)起(qi)(qi)(qi)重(zhong)機(ji)則(ze)(ze)在(zai)(zai)數(shu)十噸到百(bai)余噸之間，?重(zhong)型(xing)(xing)半(ban)門(men)(men)式(shi)起(qi)(qi)(qi)重(zhong)機(ji)則(ze)(ze)適(shi)(shi)用(yong)于(yu)大(da)(da)型(xing)(xing)鋼(gang)鐵企業等高強度(du)起(qi)(qi)(qi)重(zhong)任(ren)務
