懸臂(bei)吊起重機工作(zuo)強(qiang)度(du)為輕型,起重機由立柱,回(hui)轉(zhuan)臂(bei)回(hui)轉(zhuan)驅動(dong)(dong)(dong)裝(zhuang)置(zhi)及電(dian)動(dong)(dong)(dong)葫(hu)(hu)蘆組成,立柱下端通過地腳螺栓固(gu)定在混凝土基礎上,由擺線針輪減速裝(zhuang)置(zhi)來驅動(dong)(dong)(dong)懸臂(bei)回(hui)轉(zhuan),電(dian)動(dong)(dong)(dong)葫(hu)(hu)蘆在懸臂(bei)工字鋼上作(zuo)左右直線運行(xing),并(bing)起吊重物。起重機旋臂(bei)為空心(xin)型鋼結構(gou),自(zi)重輕,跨(kua)度(du)大(da),起重量大(da),經(jing)濟耐用。內(nei)置(zhi)式行(xing)走(zou)(zou)機構(gou),采(cai)用帶滾動(dong)(dong)(dong)軸承的特(te)種工程塑料走(zou)(zou)輪,摩擦(ca)力小(xiao),行(xing)走(zou)(zou)輕快;結構(gou)尺寸小(xiao),特(te)別有(you)利于提(ti)高吊鉤行(xing)程。