Anti-swing guide device of crane

An anti-swing guide device of a crane relates to the technical field of cranes and comprises a crane bridge, a lifting appliance cross beam connected below the crane bridge through a lifting mechanism, a hydraulic telescopic device and a supporting seat, openings are formed in the two ends of the crane bridge, and supporting seats are arranged on the two sides, corresponding to the axis in the length direction of the crane bridge, of the openings of the crane bridge; vertical hydraulic telescopic devices are arranged in the two openings of the crane bridge, and transverse rods which are correspondingly and rotationally connected with the two corresponding supporting seats are arranged at the positions, close to the tops, of the hydraulic telescopic devices; the bottoms of the two hydraulic telescopic devices are correspondingly hinged to the two ends of the lifting appliance cross beam through hinge assemblies respectively, and the axes of hinge shafts of the hinge assemblies are correspondingly parallel to t