Mechanical drive integrative demonstration teaching aid

摘要: The utility model discloses a mechanical drive integrative demonstration teaching aid, comprising motor, frame, belt mechanism, chain gear mechanism and screw mechanism. aid is characterized by further I shaft, II shaft III wherein driving wheel fixed on motor driven the encircles wheel, gears are engage with gears, respectively engaged one end of connected via sleeve coupler, mates mobile nut. can guarantee that students visually understand characteristics, work principles structures drive, mechanisms, compare advantages disadvantages grasp basic knowledge design.