Device for measuring parallelism of side working surface of elevator guide rail

The invention discloses a device for measuring parallelism of a side working surface of an elevator guide rail, which belongs to the technical field of elevator guide rail measurement, comprises a measuring plate, and is characterized in that a storage battery is embedded in the upper part of the in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QIAN CHAO, SEO KEUNWON
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HOISTING LIFTING MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING
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