新型滾輪(lun)通過輪(lun)轂上的(de)機(ji)械結構(gou)與彈性體固(gu)定的(de)免粘膠設計 , 可 以防止(zhi)彈性體脫落，提高了滾輪(lun)的(de) 使用壽(shou)命，減少(shao)工作(zuo)人(ren)(ren)員對(dui)該電(dian)梯 用滾輪(lun)的(de)拆解和組裝工作(zuo)，節省人(ren)(ren)工成本，也減少(shao)維(wei)保人(ren)(ren)員在電(dian)梯井 道(dao)內停留時間，降低安全風險。 

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.