Ideological and political classroom teaching device
An ideological and political classroom teaching device comprises a workbench, a driving box is arranged below the workbench, a first rotating shaft is arranged in the driving box, a motor for driving the first rotating shaft to rotate is arranged outside the driving box, a partition plate is arrange...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | An ideological and political classroom teaching device comprises a workbench, a driving box is arranged below the workbench, a first rotating shaft is arranged in the driving box, a motor for driving the first rotating shaft to rotate is arranged outside the driving box, a partition plate is arranged on the side, away from the motor, of the first rotating shaft in the driving box, and a driving bevel gear is arranged on the first rotating shaft. The workbench is rotatably connected with screws, the bottom ends of the screws are provided with driven bevel gears engaged with the driving bevel gears, the two screws are both provided with sliding cylinders, a teaching board is connected between the two sliding cylinders, the driving box is internally provided with a storage bin located on the side, away from the motor, of the partition plate, and a storage device is arranged above the storage bin. Compared with the prior art, the teaching board has the advantages that the height of the teaching board is adjustabl |
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