全液壓汽車起重機的整機由底盤、轉台、吊臂等組成。轉台可以360。lianxuhuizhuan,zhuangyougunqiushihuizhuanzhicheng,youzhouxiangzhusaimadaqudong。zhuantaizaizuoyeshixuxianfangzhizhitui,baozhengwending,bimianluntaihechejiaxuanguadanhuangshouzai。zhituiweixiangshijiegou,yeyacaozuoshengjiang,bingzhuangyouyeyasuo。
汽車起重機的工作裝置包括吊臂、變幅係統、起升係統和伸縮係統。在工作幅度(吊臂工作半徑)為3000mm時,最大起重量為8t。吊臂由兩節箱形斷麵的臂組成,其最下一節為基本節,基本節下端鉸裝在轉台上,由變幅液壓缸改變其傾角。
吊diao臂bi為wei兩liang節jie伸shen縮suo式shi,在zai基ji本ben節jie內nei疊die套tao有you頂ding臂bi,利li用yong裝zhuang在zai臂bi內nei的de伸shen縮suo液ye壓ya缸gang使shi吊diao臂bi伸shen長chang,從cong而er使shi起qi升sheng高gao度du或huo工gong作zuo幅fu度du發fa生sheng變bian化hua一yi些xie中zhong噸dun位wei汽qi車che起qi重zhong機ji吊diao臂bi由you三san節jie或huo四si節jie組zu成cheng,大da噸dun位wei汽qi車che起qi重zhong機ji可ke多duo至zhi10多節)。吊diao臂bi的de伸shen縮suo由you伸shen縮suo液ye壓ya缸gang和he順shun序xu閥fa來lai控kong製zhi,其qi操cao作zuo簡jian便bian,動dong作zuo可ke靠kao。起qi升sheng係xi統tong由you低di速su大da扭niu矩ju軸zhou向xiang柱zhu塞sai馬ma達da驅qu動dong,通tong過guo雙shuang速su型xing直zhi圓yuan柱zhu齒chi輪lun減jian速su器qi、平行槽式卷筒帶動鋼絲繩及吊鉤。下部車身采用東風EQ140型載重汽車底盤
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