新型(xing)滾(gun)輪通過(guo)輪轂(gu)上的(de)機(ji)械(xie)結構與(yu)彈(dan)性體固定的(de)免(mian)粘膠設計(ji) , 可(ke) 以防止(zhi)彈(dan)性體脫落，提高了滾(gun)輪的(de) 使(shi)用(yong)壽(shou)命(ming)，減少工(gong)作人員(yuan)對該電梯(ti) 用(yong)滾(gun)輪的(de)拆解(jie)和(he)組(zu)裝(zhuang)工(gong)作，節省人工(gong)成本，也減少維保人員(yuan)在電梯(ti)井 道內(nei)停(ting)留(liu)時間，降低安全風(feng)險。 

New roller can prevent elastomer fall off by means of the mechanical structure and elastomer fixed wheel surface viscose design,improve the lifetime of roller,reduce operator disassembly and assembly to save labor cost,also reduce the staying time inside of the elevator shaft and reduce the risk.