PC laminated slab lifting machine

The utility model relates to the field of lifting devices, and discloses a PC laminated slab lifting machine which comprises a lifting machine body, an electric hoist is connected to the lifting arm end of the lifting machine body, a chain is installed on the electric hoist, a cover shell is connected to the lower end of the chain, and a fixing block is fixed to the middle of the top wall in the cover shell. A plurality of hooks are fixed to the lower end of the fixing block along a circle, hanging rings are hung on the hooks, lifting ropes are fixed to the lower portions of the hanging rings, lifting hooks are fixed to the lower ends of the lifting ropes, a limiting lantern ring is movably arranged in the housing, and the fixing block is sleeved with the limiting lantern ring; after the limiting lantern ring moves to the lowermost end, the outer wall of the limiting lantern ring abuts against the inner sides of the hooks, a pulling mechanism for pulling the limiting lantern ring is arranged on the upper port