Novel tool-type hinge device

The invention relates to a hinge device and in particular relates to a novel tool-type hinge device for fixing construction machinery such as tower cranes and construction hoists and buildings. According to the technical problem to be solved, the invention provides a novel tool-type hinge device which is simple and reasonable in structure, easy to process and convenient to detach and can be repeatedly used. By adoption of the technical scheme, the device is used for being hinged to a wall-attached connecting rod on a building frame, wherein an embedded bolt is arranged on the building frame; a base plate is fixed on the embedded bolt; a bottom plate is fixed on the base plate; a limiting plate the center of which is provided with a round hole and which is provided with an opening is fixed on the bottom plate; a round plate is fixed at the end of the wall-attached connecting rod; the round plate is clamped in the round hole of the limiting plate. The device is simple and reasonable in structure and convenient