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External stirring type rotary piezoelectric stick-slip driver and driving method thereof

A drive and rotary pressure technology, applied in the direction of piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, generators/motors, etc., can solve problems such as limited performance of piezoelectric drives and difficulties in friction adjustment , to achieve the effect of improving output performance, output force, and output speed

Active Publication Date: 2018-07-24
CHANGCHUN UNIV OF TECH
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Problems solved by technology

[0003] In order to solve the technical problems of the current piezoelectric stick-slip driver, such as the limited performance of the piezoelectric driver caused by the difficulty in adjusting the friction force during the driving process, the present invention discloses an external toggle type rotary piezoelectric stick-slip driver and its driving method.

Method used

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  • External stirring type rotary piezoelectric stick-slip driver and driving method thereof
  • External stirring type rotary piezoelectric stick-slip driver and driving method thereof
  • External stirring type rotary piezoelectric stick-slip driver and driving method thereof

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specific Embodiment approach 1

[0024] Specific implementation mode one: combine Figure 1~Figure 8 Describe this embodiment. This embodiment provides a specific implementation of an external toggle type rotary piezoelectric stick-slip driver. The specific implementation of the external toggle type rotary piezoelectric stick-slip driver is expressed as follows:

[0025] The external toggle type rotary piezoelectric stick-slip driver includes a base 1, a bearing 2, an oblique triangular stator 3, a loading mechanism 4 and a pretensioning device 5; the bearing 2 is fixed on the base 1, and the loading mechanism 4 is fixed on the base 1, the oblique triangular stator 3 is fixed on the loading mechanism 4, the pre-tightening force between the oblique triangular stator 3 and the bearing 2 is adjusted by the pre-tightening device 5, the base 1 and the peripheral device to connect.

[0026] The base 1 is provided with a support rod 1-1, a boss 1-2, a mounting platform 1-3, a loading mechanism mounting surface 1-4 ...

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Abstract

The utility model relates to an external stirring type rotary piezoelectric stick-slip driver and a driving method thereof, which can solve the problem that the current piezoelectric rotary drivers have small stroke, slow speed and low precision. The invention comprises a base, a bearing, an inclined triangular stator, a loading mechanism and a pre-tensioning device; the bearing and loading mechanism are fixed on the base; the inclined triangular stator are fixed on the loading mechanism; and the base and a peripheral device are connected, and the pre-tensioning force between the inclined triangular stator and the bearing is adjusted by the pre-tensioning device. The friction regulation function is realized by using the pre-tensioning device, the mechanical output characteristics of the driver can be significantly improved; the driver has the characteristics of compact structure, convenient assembly, high positioning precision and large stroke. The driver can be widely used in the technical field of micro-nano precision drive and positioning such as micro-nano processing, micro-nano operation, and precision optics.

Description

technical field [0001] The invention relates to an external toggle type rotary piezoelectric stick-slip driver and a driving method thereof, belonging to the technical field of precision driving and positioning. Background technique [0002] With the rapid development of modern science and technology, many cutting-edge high-tech fields such as micro-nano processing, micro-nano manipulation, precision optics, biomedical engineering, and aerospace have undergone rapid changes. While these fields continue to progress, higher and newer requirements are put forward for its core supporting technology - ultra-precision drive technology. Piezoelectric drive technology is a new type of drive method that uses the inverse piezoelectric effect of piezoelectric materials to convert electrical energy into mechanical energy. Piezoelectric drives have obvious comprehensive advantages in terms of volume, precision, response speed, output force and power density. Various new types of precisi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/12H02N2/10
Inventor 程廷海李义康唐晚静张智威姜雨韩警辉
Owner CHANGCHUN UNIV OF TECH
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