文章介紹了吊車在建筑和其他行業(yè)中常用于舉起和移動重物的機(jī)器。吊車由一個長臂或臂和一個旋轉(zhuǎn)底座組成。吊車有一個滑車系統(tǒng)和電纜,用于舉起和降低物體。吊車有各種不同尺寸和類型,包括塔吊、移動式起重機(jī)和天車。它們對于將材料和設(shè)備運(yùn)輸?shù)浇ㄖさ厣系牟煌恢弥陵P(guān)重要。
Acraneisatypeofmachinethatiscommonlyusedinconstructionandotherindustriestoliftandmoveheavyobjects.Itconsistsofalongarmorboomthatisattachedtoarotatingbase.Thearmhasapulleysystemandcablesthatareusedtoliftandlowerobjects.Cranescomeinvarioussizesandtypes,includingtowercranes,mobilecranes,andoverheadcranes.Theyareessentialfortransportingmaterialsandequipmenttodifferentlocationsonaconstructionsite.