Pavement structure layer thickness detection instrument

The utility model relates to a pavement structure layer thickness detection instrument, which comprises a tail seat, a piston rod, an outer tube, a graduated scale, an indicating sheet, a positioning groove and a groove, wherein the outer tube is in a cylindrical structure, a cylindrical through hol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HU LEITING, HUANG ZHU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE FIXED CONSTRUCTIONS MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
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Beschreibung
Zusammenfassung:	The utility model relates to a pavement structure layer thickness detection instrument, which comprises a tail seat, a piston rod, an outer tube, a graduated scale, an indicating sheet, a positioning groove and a groove, wherein the outer tube is in a cylindrical structure, a cylindrical through hole is formed in the middle, the side surface of the outer tube is provided with a groove, the graduated scale is arranged at the side surface of the outer tube, the piston rod is arranged in the outer tube, the tail part of the piston rod is provided with the tail seat, the head part of the piston rod is in a conical structure, the positioning groove is formed in a corresponding position in the middle of the piston rod, the indicating sheet is arranged at the positioning groove part through screws, the indicating sheet can upwards and downwards move at the positioning groove part, the piston rod can upwards and downwards move in the outer tube, and the work of the detection instrument is simple and reliable.