Hydraulic engineering wall face flatness detector

The utility model discloses a hydraulic engineering wall face flatness detector, including straight guiding ruler to and the detection control system of setting on straight guiding ruler, detect control system and be close to by the ultrasonic distance measuring sensor on side wall face one side at straight guiding ruler including setting up, set up on straight guiding ruler and keep away from by the tongs of side wall face one side, measure switch, switch, intelligent control ware and display. The utility model discloses only need to lean on the detector gently on being surveyed the wall when using, press the measurement switch, with the length direction promotion segment distance of detector along the guiding ruler, distance between two close ultrasonic sensor, the detector is the automatic detection of having accomplished the wall face flatness data just, and show these data, the record, on also can exporting the computer through the data line, high measurement precision, data record is complete reliable,