活动测尺,是建筑工人在高大楼房砌筑、厂房框架柱结构测放轴线所使用的一种理想工具。它帮助施工人员解决了城市建筑场地狭窄、高层建筑施工放线难的大问题。采用活动测尺,可直接从基础轴线对好,按活动测尺上的刻度数支架仪器,就能很省力地把轴线引到合适的高度。这种活动测尺的构 The activity measuring scale is an ideal tool used by construction workers in masonry of high-rise buildings and the axis of measuring and releasing of frame columns of factory buildings. It helped construction workers solve the big problem of narrow construction sites in urban areas and difficulty in laying buildings in high-rise buildings. With an active scale, it is possible to align the axis directly with the number of scales on the active scale, so that the axes can be guided to the proper height with low effort. The structure of this activity scale