Answer sheet storage device

The invention discloses an answer sheet storage device. The device comprises a storage box; four classification grids are arranged in the storage box; transmission units are rotatably connected to theleft sides of the tops of the classification grids; negative-pressure blades are welded to one sides...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LI FEI, ZUO RUIZHI, YAN YAJU, GUO WEI, SHI HUITING, FAN QIANG, JI YING, LI QIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The invention discloses an answer sheet storage device. The device comprises a storage box; four classification grids are arranged in the storage box; transmission units are rotatably connected to theleft sides of the tops of the classification grids; negative-pressure blades are welded to one sides of the transmission units; air ports are arranged at the sides, close to the negative-pressure blades, of the classification grids, and the negative-pressure blades are arranged in the air ports; a lifting rod is welded to the bottom of the storage box; a moving wheel is arranged at the bottom ofthe lifting rod; a threaded rod is arranged between the lifting rod and the moving wheel and is in threaded connection with the lifting rod; and the bottom side of the threaded rod is connected with aspindle of a motor. Through the device, movement can be achieved, the height can be adjusted, damp can be effectively prevented, test paper storage is better facilitated, and the device is suitable for application and populari