Roadway roof separation layer detection device and method based on ultrasonic positioning

The invention provides a roadway roof separation layer detection device and method based on ultrasonic positioning. The device comprises a remote control trolley, a lifting mechanism, a detection platform and an array type transducer. According to the method, the array type transducers emit ultrason...

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Bibliographische Detailangaben
Hauptverfasser:	MA CHUNDE, ZHANG GUIYIN, ZHANG JUNJIE, XU JUNLI, YANG WENYUAN, KANG ZIHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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