船(chuan)塢門座式起(qi)重(zhong)機，為港口裝卸散貨(huo)(huo)及件雜(za)貨(huo)(huo)的(de)全回(hui)轉門座起(qi)重(zhong)機，用(yong)(yong)(yong)(yong)于(yu)碼(ma)頭前沿。適用(yong)(yong)(yong)(yong)于(yu)岸(an)線較長的(de)碼(ma)頭，如船(chuan)廠的(de)船(chuan)臺(tai)、舾裝碼(ma)頭和萬噸級泊位(wei)散雜(za)貨(huo)(huo)碼(ma)頭等(deng)。一般采(cai)用(yong)(yong)(yong)(yong)單(dan)臂架(jia)鋼絲繩變(bian)(bian)(bian)幅(fu)(fu)、單(dan)臂架(jia)齒條變(bian)(bian)(bian)幅(fu)(fu)或四連桿臂架(jia)齒條變(bian)(bian)(bian)幅(fu)(fu)結(jie)構(gou)形(xing)式，配用(yong)(yong)(yong)(yong)吊(diao)鉤或抓斗裝卸貨(huo)(huo)物。其(qi)結(jie)構(gou)具(ju)有(you)足(zu)夠的(de)強(qiang)度、剛度、穩定性(xing)和抗疲勞性(xing)。各機構(gou)布局合理(li)，傳動(dong)(dong)平穩，操(cao)作(zuo)(zuo)靈活(huo)，維(wei)修方便(bian)，能適應吊(diao)鉤和抓斗的(de)作(zuo)(zuo)業要求。在規(gui)定幅(fu)(fu)度范圍內，起(qi)吊(diao)額定載荷(he)可(ke)作(zuo)(zuo)水平變(bian)(bian)(bian)幅(fu)(fu)和360度回(hui)轉。起(qi)升、變(bian)(bian)(bian)幅(fu)(fu)、回(hui)轉、行走機構(gou)可(ke)單(dan)獨動(dong)(dong)作(zuo)(zuo)，也可(ke)聯合動(dong)(dong)作(zuo)(zuo)。整機可(ke)沿水平鋪(pu)設的(de)軌道直線運(yun)行。該類產品具(ju)有(you)工作(zuo)(zuo)幅(fu)(fu)度大、起(qi)升高度高、速(su)度快、運(yun)轉平穩可(ke)靠、作(zuo)(zuo)業效率高等(deng)特(te)點。
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