Fire-fighting knowledge propaganda display rack
The utility model discloses a fire-fighting knowledge propaganda showing stand which comprises a bearing plate, three sets of shells are installed at the top end of the bearing plate, a plurality of sets of circular grooves are formed in the top end of the bearing plate, a plurality of sets of rotat...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a fire-fighting knowledge propaganda showing stand which comprises a bearing plate, three sets of shells are installed at the top end of the bearing plate, a plurality of sets of circular grooves are formed in the top end of the bearing plate, a plurality of sets of rotating shafts are rotationally connected to the positions, in the circular grooves, of the bearing plate, and the rod bodies of the rotating shafts are sleeved with gears. A top plate is welded to the inner wall of the top end of the shell, a circular through hole is formed in a plate body of the top plate, a motor is rotationally connected to the position, at the circular through hole, of the top plate, a driving rotating shaft is welded to an output shaft of the motor, a driving wheel is connected to a shaft body of the driving rotating shaft in a sleeved mode, and two sets of driven rotating shafts are installed below the driving wheel. A shaft body of the driven rotating shaft is sleeved with two sets of driven wh |
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