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...
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| creator | LI FEI ZUO RUIZHI YAN YAJU GUO WEI SHI HUITING FAN QIANG JI YING LI QIAN |
| description | 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 |
| format | Patent |
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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. 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| language | chi ; eng |
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| subjects | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING |
| title | Answer sheet storage device |
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