Special dial gauge device for detecting levelness of fan foundation ring and anchor bolt assembly

The utility model belongs to the technical field of levelness detection of fan components, and particularly relates to a special dial gauge device for levelness detection of a fan foundation ring and an anchor bolt assembly, which comprises an installation assembly, a detection assembly and an auxiliary assembly, the installation assembly comprises a support frame, and the auxiliary assembly is fixedly installed at the lower end of the middle position of the support frame. The detection assembly is rotatably installed in the middle of the upper end of the supporting frame and comprises a swing rod, an extension rod is inserted into one end of the swing rod, a dial indicator is rotatably and fixedly installed at one end of the extension rod, and in the process of measuring the levelness of the upper surfaces of the fan foundation ring and the anchor bolt assembly, labor and detection time can be saved, and the detection precision is improved; the installation quality of a fan foundation ring and an anchor bolt