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Rotary piezoelectric electric machine using clutch coupled driving

A clutch and rotary technology, applied in the direction of piezoelectric effect/electrostrictive or magnetostrictive motors, generators/motors, electrical components, etc., can solve the problem of limiting motor performance, maximum torque and life limitation, and energy loss reduction Motor efficiency and other issues, to achieve the effect of simple structure, long life, stable work

Inactive Publication Date: 2004-12-22
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This friction transmission limits the performance of the motor, such as the energy loss caused by friction reduces the efficiency of the motor; the maximum torque and life are limited by friction

Method used

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  • Rotary piezoelectric electric machine using clutch coupled driving
  • Rotary piezoelectric electric machine using clutch coupled driving
  • Rotary piezoelectric electric machine using clutch coupled driving

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] As can be seen from Fig. 1, the present invention is made up of stator, rotating shaft and clutch three parts. The composition of the stator is that the piezoelectric ceramic sheet 3 sandwiching the mounting plate 4 is placed between the threaded compression cylinder 2 and the compression cylinder 8, and the fastening bolts (6 ) connecting and fastening the piezoelectric ceramic sheet 3, the mounting plate 4, the threaded compression cylinder 2 and the compression cylinder 8 into one. The left clutch 11 is fixed between the left end of the threaded compression cylinder 2 and the left transmission sleeve 12, the right clutch 7 is placed between the end of the compression cylinder 8 and the right transmission sleeve 9, and the rotor is composed of the left and right transmission sleeves 12 and 9 respectively. It is installed on the left and right ends of the output rotating shaft 1 passing through the central through hole of the fastening bolt 6 to form.

[0013] When th...

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PUM

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Abstract

The invention relates to a rotary piezoelectric electric motor driven by clutch couple gearing which belongs to piezoelectric electric motor field. The structure can be divided into three parts: stator, rotor and clutch. The stator is made of fixing bolt, four pieces of piezoelectric ceramic plates, pressing barrel, screw pressing barrel and assembling plate. The rotor is made up of output shaft and left and right gearing covers, the left clutch is arranged in the left end part of the screw pressing barrel and between the left gearing cover, the right clutch is fixed between the end part of the pressing barrel and the gearing cover. The electric motor overcomes the friction energy consumption of the rotary supersonic electric motor which is driven by friction and the deficiency that the maximal torque and lifespan are restrained by the friction. It has merits of low speed and large torque of longwise torsion compound supersonic electric motor, and the structure is simple, long period work is stable, the lifespan is long, the rotating angle can be control accurately.

Description

Technical field: [0001] The rotary piezoelectric motor adopting clutch coupling transmission of the present invention belongs to the field of piezoelectric motors. Background technique: [0002] Piezoelectric motor is a new type of motor that utilizes the inverse piezoelectric effect and micro-vibration of piezoelectric ceramics. The rotary ultrasonic motor is driven by friction between the stator and the rotor. This friction transmission limits the performance of the motor, such as the energy loss caused by friction reduces the efficiency of the motor; the maximum torque and life are limited by friction. The rotary piezoelectric motor using clutch coupling transmission of the present invention adopts clutch coupling transmission between the stator and the rotating shaft. In addition to the advantages of low speed and high torque of the vertical torsion ultrasonic motor, it also has the advantages of simple structure, long-term working stability, and long life. The advanta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/10
Inventor 赵淳生鹿存跃
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS