Tool for quickly mounting prefabricated staircase

The utility model relates to the field of prefabricated building construction, and discloses a tool for quickly installing a prefabricated stair, the tool comprises a positioning rod, a positioning groove is formed in one end of the positioning rod, the positioning rod penetrates through a pin key preformed hole of the prefabricated stair, and a reinforcing steel bar on an installation support is inserted into the positioning groove of the positioning rod. The prefabricated stair has the advantages that the positioning rods can be inserted into the steel bars of the mounting support in a sleeving manner through the positioning grooves, so that the positioning rods play a guiding role, the steel bars can be conveniently inserted into the pin key preformed holes, the mounting speed of the prefabricated stair is increased, and the construction difficulty is reduced. 本申请涉及装配式建筑施工领域，公开了一种用于预制楼梯快速安装的工具，包括定位棒，所述定位棒的一端形成有定位槽，所述定位棒穿过预制楼梯的销键预留孔，且安装支座上的钢筋插接在定位棒的定位槽内。本申请具有能够通过采用定位槽将定位棒插接套设在安装支座的钢筋上，使得定位棒起到导向作用，便于钢筋插入销键预留