Telescopic wall perpendicularity and flatness measuring tool

The utility model discloses a telescopic wall perpendicularity and flatness measuring tool which comprises a measuring rod, the top of the measuring rod is provided with a first measuring arm, the bottom of the measuring rod is provided with a second measuring arm, the middle of the measuring rod is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG PEIPEI, MA XINGKANG, XUE XINTAO, PANG JUNLING, WANG YANAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	The utility model discloses a telescopic wall perpendicularity and flatness measuring tool which comprises a measuring rod, the top of the measuring rod is provided with a first measuring arm, the bottom of the measuring rod is provided with a second measuring arm, the middle of the measuring rod is provided with a third measuring arm, and the first measuring arm, the second measuring arm and the third measuring arm are all perpendicular to the measuring rod. The first measuring arm, the second measuring arm and the third measuring arm are parallel to one another, one end of the third measuring arm movably penetrates through the measuring rod, the other end of the third measuring arm is provided with a limiting end, the third measuring arm is sleeved with a spring, and the spring is located between the limiting end and the measuring rod; and the laser demarcation device is used for being matched with the first measuring arm, the second measuring arm and the third measuring arm to measure the perpendicularity