打撈船(chuan)(chuan)(chuan)用(yong)起(qi)(qi)重(zhong)(zhong)機，安(an)裝(zhuang)在(zai)專用(yong)的船(chuan)(chuan)(chuan)體或(huo)(huo)躉船(chuan)(chuan)(chuan)上，適用(yong)于各類(lei)貨(huo)船(chuan)(chuan)(chuan)裝(zhuang)卸貨(huo)，可進行岸與(yu)貨(huo)船(chuan)(chuan)(chuan)，或(huo)(huo)貨(huo)船(chuan)(chuan)(chuan)間的貨(huo)物(wu)(wu)轉駁。一(yi)般(ban)可采用(yong)鋼絲繩(sheng)變幅(fu)或(huo)(huo)齒條變幅(fu)結構(gou)形式，可360度全回轉。配用(yong)吊(diao)鉤(gou)或(huo)(huo)抓斗裝(zhuang)卸貨(huo)物(wu)(wu)。根據用(yong)途一(yi)般(ban)可分(fen)為(wei)過(guo)駁用(yong)起(qi)(qi)重(zhong)(zhong)機（內河湖泊近海）、貨(huo)船(chuan)(chuan)(chuan)隨船(chuan)(chuan)(chuan)起(qi)(qi)重(zhong)(zhong)機、挖泥船(chuan)(chuan)(chuan)用(yong)起(qi)(qi)重(zhong)(zhong)機、水下打撈多用(yong)途型船(chuan)(chuan)(chuan)用(yong)起(qi)(qi)重(zhong)(zhong)機。該類(lei)產品具有結構(gou)緊湊(cou)、運(yun)轉平穩可靠、作業效率(lv)高、操作方(fang)便、易維護、故障(zhang)率(lv)低等(deng)特點。
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