新型滾(gun)輪通過輪轂上的(de)機(ji)械(xie)結(jie)構與彈(dan)性體(ti)固定的(de)免(mian)粘(zhan)膠設計 , 可 以防止彈(dan)性體(ti)脫落，提高了滾(gun)輪的(de) 使用(yong)壽命，減少工作人員(yuan)對該電梯(ti) 用(yong)滾(gun)輪的(de)拆解和組(zu)裝工作，節(jie)省人工成本，也減少維保(bao)人員(yuan)在(zai)電梯(ti)井 道內停留時間，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.