Railway gauging rule detector and automatic measuring device thereof

The utility model discloses a railway gauging rule detector and an automatic measuring device thereof. The railway gauging rule detector comprises a gauge detection unit and a superelevation detection unit, wherein the gauge detection unit comprises a gauge digital display scale and a gauge transmission main shaft, and the superelevation detection unit includes a superelevation transmission main shaft and a superelevation digital display scale. The railway gauging rule detector also comprises a gauge driver connected with the gauge transmission main shaft, a superelavation driver connected with the superelevation transmission main shaft, a controller, a first sensor reading number of a gauge display dial of a gauge rule, and a second sensor reading number of a superelevation display dial of the gauge rule, wherein the gauge digital display scale, the superelevation digital display scale, the gauge driver, the superelavation driver, the first sensor and the second sensor are all electrically connected with the