Novel efficient piezoelectric rotation precision driving platform based on asymmetric triangular arc type flexible hinge mechanism
A flexible hinge and piezoelectric drive technology, applied in the direction of generators/motors, piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, etc., can solve the problem that the large stiffness of piezoelectric components is not fully utilized , reduce output performance, output load reduction and other issues, to achieve the effect of eliminating backlash phenomenon, increasing output load, and high driving reliability
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[0019] The detailed content of the present invention and its specific implementation will be further described below in conjunction with the accompanying drawings.
[0020] see Figure 1 to Figure 4 As shown, a new high-efficiency piezoelectric rotary precision drive platform based on an asymmetric triangular arc-type flexible hinge mechanism mainly includes two sets of piezoelectric drive units I and II, rotor (5), pre-tightening wedges I, II ( 2, 8), pre-tightening screws I, II (1, 9), base (10), characterized in that: the precision drive device utilizes the principle of parasitic inertia and adopts two sets of drive units to realize high-efficiency piezoelectric rotation precision drive.
[0021] The piezoelectric drive unit I includes a piezoelectric stack I (3), an asymmetrical triangular arc type flexible hinge mechanism I (4), and the piezoelectric drive unit II includes a piezoelectric stack II (7), an asymmetrical triangular circular Arc type flexible hinge mechanism...
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