Fabricated building plate hoisting device

The invention is suitable for the technical field of building hoisting, and provides a fabricated building plate hoisting device. Comprising a support part; the power part is fixedly mounted on the support part and used for driving the lifting rope to drive the placement frame to move up and down; the overspeed self-locking component is fixedly mounted on the fixed support; the placing frame is used for clamping the building quilt; wherein the overspeed self-locking component comprises a first rotating wheel and a second rotating wheel which are coaxially arranged, the lifting rope penetrates through the first rotating wheel and the second rotating wheel respectively, and the first rotating wheel and the second rotating wheel rotate in opposite directions; wherein the first rotating wheel is fixedly provided with a lantern ring, the lantern ring is provided with at least two lock rods, the lock rods are elastically arranged on the lantern ring, the first rotating wheel is provided with a plurality of lock gro