qizhongji
，qizhongjiweibao，qizhongjiweihu，qizhongjiweixiu，qizhongjigaizao
，qizhongjiyizhuang
，qizhongjibanqian，qizhongjiyanshou

，qizhongjinianjian，qizhongjijianzha，qizhongjizijian，qizhongjihuishou，qizhongjiquzheng
，qizhongjiweihubaoyang，qizhongjiweixiubaoyang
，ershouqizhongji，ershouqizhongjihuishou

行xing車che

，行xing車che維wei保bao
，行xing車che維wei護hu，行xing車che維wei修xiu，行xing車che改gai造zao

，行xing車che移yi裝zhuang，行xing車che搬ban遷qian
，行xing車che驗yan收shou
，行xing車che年nian檢jian，行xing車che檢jian查zha
，行xing車che自zi檢jian，行xing車che回hui收shou，行xing車che取qu證zheng，行xing車che維wei護hu保bao養yang
，行xing車che維wei修xiu保bao養yang
，二er手shou行xing車che
，二er手shou行xing車che回hui收shou，電dian動dong平ping車che，旋xuan臂bi吊diao、懸臂吊
，旋臂起重機
，懸臂起重機，牆臂吊
、升降機、液壓升降平台、液壓貨梯、液壓升降機

載zai荷he變bian化hua程cheng度du，按an額e定ding起qi重zhong量liang設she計ji的de起qi重zhong機ji在zai實shi際ji作zuo業ye中zhong，起qi重zhong機ji所suo起qi吊diao的de載zai荷he往wang往wang小xiao於yu額e定ding起qi重zhong量liang。這zhe種zhong載zai荷he的de變bian化hua程cheng度du用yong起qi重zhong量liang利li用yong係xi數shuk表示。k=起重機在起重機年實際起重量的平均值/起重機的額定起重量。

根據起重機的工作忙閑程度和載荷變化程度，通常把起重機的工作類型劃分為：輕級

、中級、重級和特重級4種**。

起qi重zhong機ji的de工gong作zuo類lei型xing和he起qi重zhong量liang是shi兩liang個ge不bu同tong的de概gai念nian
，起qi重zhong量liang大da
，不bu一yi定ding是shi重zhong級ji，起qi重zhong量liang小xiao

，也ye不bu一yi定ding是shi輕qing級ji。如ru水shui電dian站zhan用yong的de起qi重zhong機ji的de起qi重zhong量liang達da數shu百bai噸dun

，但dan使shi用yong機ji會hui卻que很hen少shao，隻zhi有you在zai安an裝zhuang機ji組zu、xiulijizushicaishiyong，qiyushijiandoutingxiezainali
，suoyijinguanqizhonglianghenda，danhaishishuyuqingji。youruchezhanhuochangyongdeqizhongji，suiranqizhongliangbuda
，dangongzuofeichangfanmang，shuyuzhongjigongzuoleixing。