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

起重機是一種作循環
、間jian歇xie運yun動dong的de機ji械xie
，取qu物wu設she備bei從cong取qu物wu地di把ba物wu品pin提ti起qi，然ran後hou水shui平ping移yi動dong到dao指zhi定ding地di址zhi降jiang下xia物wu品pin，接jie著zhe進jin行xing反fan向xiang運yun動dong，使shi取qu物wu設she備bei回hui來lai原yuan位wei

，以yi便bian進jin行xing下xia一yi次ci循xun環huan。起qi重zhong機ji，根gen據ju其qi結jie構gou和he功gong用yong的de不bu一yi樣yang，分fen為wei不bu一yi樣yang的de種zhong類lei，一yi般ban可ke分fen為wei輕qing小xiao型xing起qi重zhong設she備bei
、橋式類型起重機械和臂架類型起重機三大類。

    跟著起重機的廣泛運用，起重機在設備過程中不斷出現各種疑難問題，安全問題不容忽視，因此在橋式起重機過程中需裝設安全設備。

    對起重機有利的安全設備

    1.卷揚組織有必要裝有過卷揚限製器，當吊鉤滑車起升距起重組織架300mm時shi，能neng夠gou自zi動dong堵du截jie電dian機ji的de電dian源yuan，電dian動dong機ji連lian續xu作zuo業ye。是shi防fang止zhi起qi重zhong機ji駛shi近jin軌gui跡ji完wan畢bi而er發fa生sheng碰peng擊ji事shi端duan，或huo兩liang台tai起qi重zhong機ji在zai同tong一yi條tiao軌gui跡ji上shang發fa生sheng磕ke碰peng事shi端duan
，所suo選xuan用yong的de安an全quan設she備bei。

 2.自zi動dong聯lian鎖suo設she備bei是shi橋qiao式shi起qi重zhong機ji上shang多duo有you裸luo線xian經jing過guo，為wei了le防fang止zhi修xiu理li人ren員yuan觸chu電dian，需xu求qiu在zai駕jia駛shi室shi通tong往wang車che駕jia的de倉cang門men口kou處chu裝zhuang設she自zi動dong連lian鎖suo設she備bei。緩huan衝chong器qi是shi一yi種zhong吸xi收shou起qi重zhong機ji與yu物wu體ti相xiang碰peng時shi的de能neng量liang的de安an全quan設she備bei，在zai起qi重zhong機ji的de製zhi動dong器qi和he完wan畢bi開kai關guan失shi靈ling後hou起qi效xiao果guo。當dang起qi重zhong機ji與yu軌gui跡ji端duan頭tou立li柱zhu相xiang接jie時shi，（上海起重設備）確保起重機較平穩地泊車。