懸臂(bei)(bei)吊起(qi)重(zhong)(zhong)機(ji)(ji)工作強度為輕型,起(qi)重(zhong)(zhong)機(ji)(ji)由立柱,回轉(zhuan)(zhuan)臂(bei)(bei)回轉(zhuan)(zhuan)驅動裝(zhuang)置(zhi)及電動葫(hu)蘆組成(cheng),立柱下端通過(guo)地腳螺(luo)栓固定在混(hun)凝土基礎上,由擺線針輪減速(su)裝(zhuang)置(zhi)來驅動懸臂(bei)(bei)回轉(zhuan)(zhuan),電動葫(hu)蘆在懸臂(bei)(bei)工字鋼(gang)上作左右直線運行(xing),并起(qi)吊重(zhong)(zhong)物(wu)。起(qi)重(zhong)(zhong)機(ji)(ji)旋臂(bei)(bei)為空心型鋼(gang)結構(gou),自重(zhong)(zhong)輕,跨度大,起(qi)重(zhong)(zhong)量大,經濟耐用。內置(zhi)式行(xing)走機(ji)(ji)構(gou),采用帶滾動軸(zhou)承(cheng)的特(te)種工程塑料走輪,摩擦力小,行(xing)走輕快;結構(gou)尺(chi)寸小,特(te)別有利于提高吊鉤行(xing)程。