Tower crane electric permanent magnet lifting appliance for lifting pipe fittings

The utility model discloses a tower crane electric permanent magnet lifting appliance for lifting pipe fittings, which comprises a main beam and is characterized in that a plurality of adsorption units are arranged at two ends and the middle position of the main beam at equal intervals; the adsorption unit comprises an outer shell, inner shells are symmetrically arranged at the positions, located on the two sides of the main beam, in the outer shell, magnetic poles are arranged in the inner shells, coils are wound around the outer sides of the magnetic poles, and pole heads are fixedly connected to the lower ends of the magnetic poles; the bottom of each pole head is connected with a clamping jaw; the two clamping jaws are symmetrically arranged, and the opposite sides of the two clamping jaws are in an arc shape. The pole head and the clamping jaw are magnetic conductors, and the magnetic pole is a permanent magnet. A plurality of adsorption units are arranged on the main beam, the two ends and the middle po