Bent-shaking sandwich energy converter type collar plate shape dual rotor ultrasonic motor
A technology of ultrasonic motors and transducers, applied in the direction of generators/motors, piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, etc., can solve the problem of low electromechanical coupling efficiency, poor mechanical output capability, mechanical The output capacity restricts the single stator single motion output and other issues to achieve the effect of improving controllability, simplifying the structure and eliminating adverse effects
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specific Embodiment approach 1
[0009] Specific embodiment one: see Figure 1 ~ Figure 1 1. This embodiment consists of a stator assembly 1, an upper rotor assembly, a lower rotor assembly, an upper housing 4, a lower housing 5, an upper rotating bearing 6-1, a lower rotating bearing 6-2, and an upper bearing pre-tightening end cover 7-1, Lower end bearing pre-tightening end cover 7-2, upper end first screw group 8-1, lower end first screw group 8-2, upper end bearing support 9-1, lower end bearing support 9-2, upper end second screw group 10 -1. The second screw group 10-2 at the lower end, the third screw group 11 and the nut group 12 are composed; the stator assembly 1 is composed of a driving disc 1-1 and 2n bending vibration sandwich transducers 1-7, wherein n is a natural number greater than 1. The drive disc 1-1 consists of a disc 1-1-1, an outer thin-walled ring 1-1-2, a disc flange 1-1-3, an inner thin-walled ring 1-1-6 and The bearing seat is composed of 1-1-7, the outer thin-walled ring 1-1-2 is set be...
specific Embodiment approach 2
[0011] Specific implementation manner two: see Figure 6 The difference between this embodiment and the first embodiment is that the disc 1-1-1, the front end cover 1-1-4, the outer thin-walled ring 1-1-2, the disc flange 1-1-3, The inner thin-walled ring 1-1-6 and the bearing seat 1-1-7 are processed into an integral part of the driving disc 1-1 by using a single piece of metal material.
[0012] In this embodiment, the disc 1-1-1, the front end cover 1-1-4, the outer thin-walled ring 1-1-2, the disc flange 1-1-3, the inner thin-walled ring 1-1-6, and the bearing The seat 1-1-7 is processed into an integral component, which can reduce energy loss and help improve the controllability of the vibration trajectory of the surface particle of the driving tooth.
specific Embodiment approach 3
[0013] Specific implementation manner three: see Figure 5 The difference between this embodiment and the first embodiment is that each piezoelectric ceramic piece 1-3 is symmetrically cut into a left half piece 1-3-1 and a right half piece 1-3-2, and the left half piece 1- The polarization direction of 3-1 and the right half piece 1-3-2 are opposite, the two adjacent left half pieces 1-3-1 and the two adjacent right half pieces 1-3 of a pair of piezoelectric ceramic pieces 1-3 The polarization direction of -2 is also opposite.
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