Gauge for location pinhole of planetary shaft

The utility model belongs to the technical field of automobile machining, and particularly relates to a gauge for the location pinhole of a planetary shaft. The gauge comprises a measuring seat, a mandrel, a gauge body, gauge seat, a dial gauge and a detection bar, wherein a measuring seat location hole is formed at the centre of the measuring seat; the lower end of the mandrel is installed in the measuring seat location hole; the gauge body is installed and fixed at the upper end of the mandrel; one side of the gauge body is connected with the gauge seat; the dial gauge is installed on the gauge seat; and the detection bar is arranged in front of the gauge outfit of the dial gauge. The gauge body is installed and fixed at the upper end of the mandrel via a hexagonal socket head cap screw. One side of the gauge body is connected with the gauge seat via a screw. Compared with the prior art, the gauge disclosed by the utility model has the beneficial effects of being capable of realizing field test, simple in detection process, high in detection accuracy, low in detection cost, and convenient in detection.