Rotary combined blackboard
The utility model discloses a rotary combined blackboard which comprises a top plate, a rear plate, a left side plate, a bottom plate and a right side plate which are combined into a box body, a first supporting plate and a second supporting plate which are parallel to the right side plate are arran...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a rotary combined blackboard which comprises a top plate, a rear plate, a left side plate, a bottom plate and a right side plate which are combined into a box body, a first supporting plate and a second supporting plate which are parallel to the right side plate are arranged on the rear plate; a plurality of groups of parallel rotary blackboard mechanisms are mounted on the sides, far away from the rear plate, of the first supporting plate and the second supporting plate; the rotating blackboard mechanism comprises a rotating blackboard of a regular triangular prism structure, rotating shafts penetrate through the center of the rotating blackboard, the two ends of each rotating shaft are fixed to a first supporting plate and a second supporting plate through bearings respectively, and in a cavity formed by the first supporting plate and the left side plate, the end of each rotating shaft is connected with a rotating shaft of a stepping motor through a coupler. And the stepping moto |
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