Horizontal arm tower crane of building blocks

The utility model discloses a horizontal arm tower crane of building blocks relates to concatenation toy technical field, include the horizontal arm tower crane body that forms by the concatenation of polylith component, every the front of component is equipped with a plurality of archs, the reverse side be equipped with with protruding matched with socket, the horizontal arm tower crane body including base, body of the tower, rotation mechanism, hoisting mechanism, jib loading boom, balance arm, balanced heavy and amplitude changing device, is compared with prior art at least, the utility model discloses a to the improvement of tower crane toy structure, use the meshing of a plurality of gears, solved current horizontal arm tower crane of building blocks concatenation toy, all can only realize the three action of horizontal arm tower crane through three motor or two motors, rise promptly liter, gyration and become the problem of the width of cloth, the success pass through the three action that horizontal ar