引言上世纪80年代以后,随着改革开放由农村向城市转移,我国各地城市建设提速,大批城市住宅楼宇相继建成。据相关资料不完全统计,这一时期修建的楼宇近1000万座,涉及住户超过1亿人,受成本和资金等因素影响,这类房改房、社会投资房或商品房大多六层或七层高,没有安装电梯。如今,居住在这些旧楼里的住户大多上了年纪,爬楼很辛苦,越来越感到没有电梯的不便。且同样的地段、同样的楼层,电梯房的 Introduction Since the 1980s, with the reform and opening up from rural areas to urban areas, the construction of cities around our country has accelerated and a large number of urban residential buildings have been completed. According to incomplete statistics, nearly 10 million buildings were built during this period, involving more than 100 million households, affected by factors such as cost and capital. Such housing reform, social investment housing or commercial housing mostly have six or seven storeys , Did not install the elevator. Today, most of the tenants who live in these old buildings are old, climbed to work hard and are increasingly feeling inconveniences of elevators. And the same lot, same floor, elevator room