Intelligent anti-unhooking device for crane hook

The invention relates to the technical field of crane equipment, in particular to an intelligent anti-unhooking device for a crane hook, which comprises a crane hook body and a bent hook arranged at the bottom of the crane hook body, and a closing device is arranged at the bottom of the crane hook body. The closing device comprises a first tongue piece, a second tongue piece, a first hinge column, a second hinge column, a first hinge block, a second hinge block and a clamping column, wherein the first tongue piece and the second tongue piece are arranged on the crane hook body; the first hinge column is arranged on the first tongue piece; the second hinge column is arranged on the second tongue piece; the rotating column is arranged on the first tongue piece, the pushing column is arranged on one side of the rotating column, and the blocking shaft is arranged in the middle of the rotating column; an angle sensor is arranged on the transverse side of the first tongue piece, and an extension shaft connected wit