Tool for rapidly detecting geometric tolerance of shaft hole of butterfly valve and butterfly plate

The invention belongs to a detection tool, and particularly relates to a tool for rapidly detecting geometric tolerance of a shaft hole of a butterfly valve and a butterfly plate. The invention relates to a tool for rapidly detecting geometric tolerance of a shaft hole of a butterfly valve and a butterfly plate. The detection tool comprises a plug gauge with a key, a main cross beam, a limiting sleeve, an adjusting cross beam, a plug gauge and a nut. The tool has the advantage that the geometric tolerance of the shaft hole of the butterfly plate can be rapidly detected. The whole detection tool is an adjustable dynamic detection tool, the use is simple, after the detection tool is assembled, a proper plug gauge and a plug gauge with a key are matched, and the plug gauges are respectively aligned with the shaft holes at the two sides of the butterfly plate and are put into the shaft holes at the two sides of the butterfly plate, so that the form and location tolerance of key grooves in the shaft holes at the t