新(xin)型滾(gun)(gun)(gun)輪(lun)通過(guo)輪(lun)轂上的(de)(de)機(ji)械結構與彈(dan)性(xing)體固定的(de)(de)免粘膠(jiao)設計(ji) , 可 以防止彈(dan)性(xing)體脫落(luo)，提高了滾(gun)(gun)(gun)輪(lun)的(de)(de) 使用壽命，減少工作人員對該電(dian)梯 用滾(gun)(gun)(gun)輪(lun)的(de)(de)拆解(jie)和組(zu)裝(zhuang)工作，節省人工成本，也減少維保(bao)人員在電(dian)梯井 道內停留時間，降低(di)安全風險。 

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.