Elevator door stress testing device

The utility model relates to an elevator door stress testing device, which belongs to the technical field of elevator detection and comprises a screw rod and a support beam, the screw rod is in threaded connection with a threaded sleeve, and the threaded sleeve is mounted in the middle of the suppor...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHEN RUOPING, YAO BING, CAI YAQING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MEASURING MECHANICAL ENGINEERING PHYSICS STANDS OR SUPPORTS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR THERMAL INSULATION IN GENERAL WEAPONS
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