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Ultrasonic disk motor with clutch and displacement amplification mechanism and working method thereof

A displacement amplification mechanism, ultrasonic motor technology, applied in the direction of generators/motors, electrical components, piezoelectric effect/electrostrictive or magnetostrictive motors, etc., can solve the problem of low-speed and ultra-low-speed operation and small thrust , large loss and other problems, to achieve the effect of small working loss, improved displacement stroke and long service life

Inactive Publication Date: 2011-10-05
刘勤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, due to the structure and force transmission mode of the existing ultrasonic motor, there are defects such as small thrust, low efficiency, large loss, short life, and difficulty in low-speed and ultra-low-speed operation, which need to be improved

Method used

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  • Ultrasonic disk motor with clutch and displacement amplification mechanism and working method thereof
  • Ultrasonic disk motor with clutch and displacement amplification mechanism and working method thereof
  • Ultrasonic disk motor with clutch and displacement amplification mechanism and working method thereof

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Embodiment 1

[0041] Such as figure 1 and 2 As shown, the present invention is mainly composed of a stator 1 with a disc-shaped structure, and a disc-shaped rotor 2 that is sleeved on the outer wall of the stator 1 and forms a sliding fit. The outer wall of the stator 1 is provided with a stator end cover 7 for The rotor 2 is limited so that it cannot move axially; one end surface of the stator 1 is provided with a clutch piezoelectric strip groove extending to the inner wall of the rotor 2, and the side walls of the clutch piezoelectric strip groove are respectively It is connected with the opposite rotation arm groove and spring groove, that is, the rotation arm groove and the spring groove are preferentially separated by 180° on the side wall circumference of the clutch piezoelectric strip groove, so as to better reset Effect, the relative position of the rotating arm groove and the spring groove in the present invention is not limited to this, as long as the position is substantially o...

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PUM

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Abstract

The invention discloses an ultrasonic disk motor with a clutch and displacement amplification mechanism. The ultrasonic disk motor comprises a stator with a disk structure and a disk rotor, wherein the disk rotor is sleeved on the outer wall of the stator, and forms sliding fit with the stator. The ultrasonic disk motor is characterized in that: clutching piezoelectric strip grooves extended to the inner wall of the rotor are formed on the end face of one end of the stator; the sidewalls of the clutching piezoelectric strip grooves are communicated with rotating force arm grooves and spring grooves which are opposite to each other respectively; one side, away from the clutching piezoelectric strip groove, of each rotating force arm groove is communicated with a driving piezoelectric stripgroove; a clutching piezoelectric strip is arranged in the clutching piezoelectric strip groove; a rotating force arm is arranged in the rotating force arm groove; a spring is arranged in the spring groove; and a driving piezoelectric strip is arranged in the driving piezoelectric strip groove. The invention also discloses the ultrasonic disk motor with the clutch and displacement amplification mechanism and a working method thereof. The ultrasonic disk motor has strong thrust, high efficiency, low loss and long service life, and can be run at ultralow speed.

Description

technical field [0001] The present invention relates to a disc type with clutch and displacement amplification mechanism suitable for positioning and driving in various occasions such as mechanical equipment, precision measurement, metering, office automation equipment, industrial appliances, household appliances, robots, automobiles, aerospace equipment, etc. Ultrasonic motor and its working method. Background technique [0002] Ultrasonic motors are motors that use piezoelectric material crystals to deform under the action of an external electric field as a driving force to generate motion. This ultrasonic motor has the following characteristics: [0003] 1. It does not need to convert electrical energy into mechanical energy of linear motion based on the principle that current-carrying conductors receive electromotive force in a magnetic field like traditional induction motors. [0004] 2. There are no coils and iron cores in the stator and rotor parts, and the structur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/10H02N2/12
Inventor 刘勤
Owner 刘勤
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