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塔吊

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濟寧塔吊租賃
更新時間:2021-10-22

是建筑(zhu)工(gong)(gong)地上最常用的(de)一種起重(zhong)設備(bei) 又名“塔式起重(zhong)機”,以(yi)一節(jie)一節(jie)的(de)接長(高)(簡(jian)稱(cheng)“標(biao)準(zhun)節(jie)”),用來吊施工(gong)(gong)用的(de)鋼(gang)筋、木楞、混凝土、鋼(gang)管等施工(gong)(gong)的(de)原材料(liao)。塔吊是工(gong)(gong)地上一種必不(bu)可少的(de)設備(bei)。

塔(ta)吊(diao)(tower crane)尖(jian)的(de)(de)(de)功能是承(cheng)受臂(bei)(bei)(bei)架(jia)拉繩及(ji)平衡(heng)(heng)(heng)(heng)(heng)臂(bei)(bei)(bei)拉繩傳來的(de)(de)(de)上(shang)部荷載,并通過(guo)(guo)回轉(zhuan)塔(ta)架(jia)、轉(zhuan)臺(tai)、承(cheng)座等的(de)(de)(de)結構部件(jian)式直接通過(guo)(guo)轉(zhuan)臺(tai)傳遞(di)給塔(ta)身結構。自升塔(ta)頂有截(jie)錐(zhui)柱(zhu)式、前傾或后傾截(jie)錐(zhui)柱(zhu)式、人字架(jia)式及(ji)斜撐架(jia)式。 凡是上(shang)回轉(zhuan)塔(ta)機(ji)(ji)均(jun)需設(she)(she)平衡(heng)(heng)(heng)(heng)(heng)重(zhong)(zhong)(zhong),其功能是支承(cheng)平衡(heng)(heng)(heng)(heng)(heng)重(zhong)(zhong)(zhong),用(yong)以構成設(she)(she)計(ji)上(shang)所(suo)要(yao)(yao)求的(de)(de)(de)作(zuo)用(yong)方面(mian)與起(qi)重(zhong)(zhong)(zhong)力矩方向相(xiang)反(fan)的(de)(de)(de)平衡(heng)(heng)(heng)(heng)(heng)力矩。除平衡(heng)(heng)(heng)(heng)(heng)重(zhong)(zhong)(zhong)外,還(huan)常在其尾部裝(zhuang)設(she)(she)起(qi)升機(ji)(ji)構。起(qi)升機(ji)(ji)構之(zhi)所(suo)以同(tong)平衡(heng)(heng)(heng)(heng)(heng)重(zhong)(zhong)(zhong)一起(qi)安(an)放(fang)在平衡(heng)(heng)(heng)(heng)(heng)臂(bei)(bei)(bei)尾端(duan),一則可發揮(hui)部分配重(zhong)(zhong)(zhong)作(zuo)用(yong),二則增(zeng)大(da)繩卷筒與塔(ta)尖(jian)導輪間的(de)(de)(de)距離(li),以利鋼絲繩的(de)(de)(de)排繞并避免發生亂繩現象。平衡(heng)(heng)(heng)(heng)(heng)重(zhong)(zhong)(zhong)的(de)(de)(de)用(yong)量(liang)與平衡(heng)(heng)(heng)(heng)(heng)臂(bei)(bei)(bei)的(de)(de)(de)長(chang)度成反(fan)比關系(xi),而(er)平衡(heng)(heng)(heng)(heng)(heng)臂(bei)(bei)(bei)長(chang)度與起(qi)重(zhong)(zhong)(zhong)臂(bei)(bei)(bei)長(chang)度之(zhi)間又存(cun)在一定比例關系(xi)。平衡(heng)(heng)(heng)(heng)(heng)重(zhong)(zhong)(zhong)量(liang)相(xiang)當(dang)可觀,輕型塔(ta)機(ji)(ji)一般至少要(yao)(yao)3~4t,重(zhong)(zhong)(zhong)型的(de)(de)(de)要(yao)(yao)近30t。


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