High-precision measuring workbench for measuring size of shield hob

The utility model relates to the technical field of measuring equipment, in particular to a high-precision measuring workbench for measuring the size of a shield hob, which comprises a workbench and a measuring component arranged at the top of the workbench, the workbench comprises an operating platform, a counter bore is arranged on the operating platform, a bearing of the measuring component is arranged at the edge of the top of the operating platform, and the counter bore is communicated with the counter bore. A rotating shaft is arranged at the bottom of the fixed graduated scale; the lower part of the rotating shaft is sleeved in a bearing; the telescopic graduated scale is inserted into the limiting slot and is in sliding connection with the fixed graduated scale, a measuring cross rod is vertically arranged at the upper end part of the telescopic graduated scale, and a digital display is arranged on the measuring cross rod. According to the utility model, the size of each part of the hob can be rapidly