長沙塔式起重機
塔式起重機(tower crane)jianchengtaji,yichengtadiao,qiyuanyuxiou。dongbizhuangzaigaosongtashenshangbudexuanzhuanqizhongji。zuoyekongjianda,zhuyaoyongyufangwujianzhushigongzhongwuliaodechuizhiheshuipingshusongjijianzhugoujiandeanzhuang。youjinshujiegou、工作機構和電氣係統三部分組成。金屬結構包括塔身、動臂和底座等。工作機構有起升、變幅、回轉和行走四部分。電氣係統包括電動機、控製器、配電櫃、連接線路、信號及照明裝置等。
tashiqizhongjishidongbizhuangzaigaosongtashenshangbudexuanzhuanqizhongji。gongzuofanweida,zhuyaoyongyuduocenghegaocengjianzhushigongzhongcailiaodechuizhiyunshuhegoujiananzhuang。youjinshujiegou,gongzuojigouhedianqixitongsanbufenzucheng。jinshujiegoubaokuotashen、動臂、底座、附著杆等。工作機構有起升、變幅、回轉和行走四部分。電氣係統包括電動機、控製器、配電框、聯連線路、信號及照明裝置等。塔式起重機分上旋轉式和下旋轉式兩類:
一、上旋轉式塔式起重機:塔身不轉動,回轉支承以上的動臂、平衡臂等,通過回轉機構繞塔身**線作全回轉。根據使用要求,又分運行式、固定式、附著式和內爬式。運行式塔式起重機可沿軌道運行,工作範圍大,應用廣泛,宜用於多層建築施工;如將起重機底座固定在軌道上或將塔身直接固定在基礎上**成為固定式塔式起重機,其動臂較長;ruzaigudingshitashiqizhongjitashenshangmeigeyidinggaoduyongfuzheganyujianzhuwuxianglian,jiweifuzheshitashiqizhongji,tacaiyongtashenjiegaozhuangzhishiqizhongjishangbuhuizhuanbufenkesuijianzhuwuzenggaoerxiangyingzenggao,yongyugaocengjianzhushigong;將(jiang)起(qi)重(zhong)機(ji)安(an)設(she)在(zai)電(dian)梯(ti)井(jing)等(deng)井(jing)筒(tong)或(huo)連(lian)通(tong)的(de)孔(kong)洞(dong)內(nei),利(li)用(yong)液(ye)壓(ya)缸(gang)使(shi)起(qi)重(zhong)機(ji)根(gen)據(ju)施(shi)工(gong)進(jin)程(cheng)沿(yan)井(jing)筒(tong)向(xiang)上(shang)爬(pa)升(sheng)者(zhe)稱(cheng)為(wei)內(nei)爬(pa)式(shi)塔(ta)式(shi)起(qi)重(zhong)機(ji),它(ta)節(jie)省(sheng)了(le)部(bu)分(fen)塔(ta)身(shen)、服務範圍大、不占用施工場地,但對建築物的結構有一定要求。
二、下旋轉式塔式起重機:huizhuanzhichengzhuangzaidizuoyuzhuantaizhijian,chuxingzoujigouwai,qitagongzuojigoudoubuzhizaizhuantaishangyiqihuizhuan。chuguidaoshiwai,haiyouyilvdaidipanheluntaidipanweixingzouzhuangzhidelvdaishiheluntaishi。tazhengji**低,能整體拆裝和轉移,輕巧靈活,應用廣泛,宜用於多層建築施工。
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