Piezoelectric stick-slip linear motor with chute-type diamond-shaped amplifying mechanism and its excitation method
A technology of amplifying mechanism and linear motor, applied in the direction of piezoelectric effect/electrostrictive or magnetostrictive motor, generator/motor, electrical components, etc. Limitation, difficulty in comprehensive regulation of friction, etc., to achieve the effect of compact structure, improved mechanical output characteristics, and convenient control
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specific Embodiment approach 1
[0024] Specific implementation mode one: combine Figure 1~Figure 10 This embodiment will be described. This implementation mode provides a specific implementation scheme of a piezoelectric stick-slip linear motor with a chute-type diamond-shaped amplifying mechanism. The piezoelectric stick-slip linear motor with a chute-type diamond-shaped amplifying mechanism includes a preload mechanism 1 , a chute-type stator 2 and a mover 3 .
[0025]The preloading mechanism 1 is composed of a fixed base 1-1, an upper moving plate 1-2 and a manual adjustment screw 1-3, wherein the fixed base 1-1 and the upper moving plate 1-2 are made of No. 45 steel material. The fixed base 1-1 is provided with a mover installation base surface 1-1-1 and a mover threaded mounting hole 1-1-2, and the mover 3 is fixed on the mover through the mover threaded mounting hole 1-1-2. On the installation base surface 1-1-1; the bottom of the fixed base 1-1 is provided with a tapered hole 1-1-3 for connecting a...
specific Embodiment approach 2
[0028] Specific implementation mode two: combination Figure 11 The figures illustrate the present embodiment. This implementation mode provides a specific implementation scheme of an excitation method for a piezoelectric stick-slip linear motor with a chute-type diamond-shaped amplifying mechanism. The excitation method of the piezoelectric stick-slip linear motor with a chute-type rhombic amplifying mechanism is as follows.
[0029] The composite excitation electric signal used in the excitation method is compounded and superimposed on the sawtooth drive wave in the rapid deformation stage of the stator by the friction regulation wave, and the friction regulation wave can be a sine wave. Among them, the period of the sawtooth driving wave is T 1 , the excitation voltage amplitude is V 1 , the symmetry is D, and the period of the slight friction sinusoidal control wave is T 2 , the excitation voltage amplitude is V 2 , the period ratio of the sawtooth drive wave to the s...
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