Collapsible steel construction hole measuring device

The utility model relates to a collapsible steel construction hole measuring device, include handle and the dipperstick of being connected with the handle, handle and the hollow round platform riveting that is located the top, handle are rectangle structure or arc structure, and the dipperstick is conical structure, and dipperstick outer wall axial is equipped with the scale mark, and every scalemark level includes a plurality of hollow round platforms and a hollow circular cone around dipperstick a week, dipperstick, and a plurality of hollow round platforms are equal with the length of hollow circular cone protractile, a plurality of hollow round platforms and hollow circular cone swing joint. The utility model has the beneficial effect of simple structure, it is easy and simple to handle, can be used to measure the steel construction hole in different apertures, measure high efficiency, collapsible, occupation space is little, portable. 本实用新型涉及种可收缩钢结构孔测量装置，包括手柄以及与手柄连接的测量尺，手柄与位于顶部的空心圆台铆接，手柄呈矩形结构或弧形结构，测量尺呈圆锥