Prefabricated slab supporting device

The utility model relates to the field of post-cast strip construction, in particular to a prefabricated slab supporting device which comprises a base sleeve arranged on a prefabricated slab in a penetrating mode, a connecting screw rod is arranged in the base sleeve in a penetrating mode, a nut is screwed on the connecting screw rod, and the other end of the connecting screw rod is provided with a fixing piece used for fixing a wall body. The effect of improving the stability of the prefabricated slab is achieved. 本申请涉及后浇带施工的领域，尤其是涉及一种预制板支撑装置，包括穿设在预制板上的基套，所述基套中穿设有连接螺杆，所述连接螺杆上螺紧螺母，所述连接螺杆的另一端设置用于固定墙体的固定件。本申请具有提高预制板稳定性的效果。