Wall perpendicularity detection mechanism

The utility model discloses a wall verticality detection mechanism, which comprises a hollow rod, a T-shaped round block, a steel wire rope, a falling block and scale marks, one end of the hollow rod is fixedly provided with the T-shaped round block, the outer side of the T-shaped round block is pro...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	OH SEUNG-YOUNG, LIN CHUNMAO, WU XIAO
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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