Large gantry crane type brick clamping machine

The invention discloses a large gantry crane type brick clamping machine and relates to the technical field of machines. The brick clamping machine comprises a foldable lifting arm assembly (1), a rotary frame assembly (2) and an assembled folding frame (3), wherein the foldable lifting arm assembly (1) comprises a lifting arm base (4) connected with a gantry crane, parallel arms (5), a lifting arm bottom plate (6) connected with a rotary frame, a main lifting arm (7) and a horizontal guide rail (8); a foldable lifting arm (1) is mounted on a sliding crane of the gantry crane; a rotator main shaft (9) is mounted on the lifting arm bottom plate (6); a steel wire rope of the gantry crane is used for dragging the rotator main shaft (9) to be subjected to lifting movement. The large gantry crane type brick clamping machine is capable of clamping and placing a large number of bricks, and is flexible to assemble and disassemble and wide in application range; the brick carrying efficiency is greatly improved.