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Actuator based on multi-stage amplification principle

A technology based on actuators and principles, applied in the direction of piezoelectric effect/electrostrictive or magnetostrictive motors, generators/motors, electrical components, etc., can solve the problems of actuators being controlled by structural types and unable to meet requirements, etc. , to achieve the effect of increasing the effective contact area, improving the effect and quick response

Pending Publication Date: 2018-04-27
SHAOXING KANGJIAN PRECISION STAINLESS STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because most of the traditional actuators use electrothermal, electromagnetic or mechanical driving methods, for the requirements of the current actuator design, the traditional actuators are limited by the working principle and structure and cannot meet the requirements.

Method used

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  • Actuator based on multi-stage amplification principle
  • Actuator based on multi-stage amplification principle
  • Actuator based on multi-stage amplification principle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings of the description.

[0021] Such as Figure 1-4 As shown, an actuator based on the principle of multi-stage amplification includes a stator 1, a stator bottom plate 101, a fixed plate 102, a driving foot 103, a third fulcrum 104, a first fulcrum 105, a third lever 106, and a fourth fulcrum 107 , the fifth fulcrum 108, the second lever 109, the step groove 110, the power unit 111, the first lever 112, the sixth fulcrum 113, the internal electrode 114, the insulator 115, the external electrode 116, the piezoelectric ceramic sheet 117, the sixth fulcrum 118 , mover 2, mover body 201, mover base 202, wear-resistant ceramic bar 203, base 3, positioning backing plate 4, preloading device 5, micrometer head 501, contact ball 502 and square backing plate 503. The stator 1 is set on the base 3, the mover 2 is set on the base 3 and is in contact with the stator 1, the bottom of t...

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PUM

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Abstract

The invention discloses an actuator based on the multi-stage amplification principle. The actuator comprises a pedestal, a stator arranged on the pedestal, and a mover that is arranged on the base andis in contact with the stator. A positioning backing board is arranged at the bottom of the stator; and the stator is fixed on the pedestal by the positioning backing board. The mover consists of a mover base and a mover body arranged on the mover base cooperatively; a sliding rail is arranged on the mover pedestal; the mover body cooperates with the sliding rail; and the mover body is driven tomove relative to the mover base under the effect of the stator. The actuator has the following beneficial effects: the stator uses a piezoelectric stack as a power device to realize a micro-displacement action and the drive displacement value of the piezoelectric ceramic is improved by using the piezoelectric stack; the power consumption is low; the response is done fast, and the heating value islow.

Description

technical field [0001] The invention relates to the technical field of electronic micro-drive devices, in particular to an actuator based on the principle of multi-stage amplification. Background technique [0002] In recent years, with the continuous development and progress of science and technology, various new technologies have emerged, especially in aerospace, bionic technology, precision machinery, medicine, artificial satellites and other fields, which require high positioning capabilities. Moreover, with the diversification of machine working environments and applications, not only the actuators are required to have micron to nanometer high precision and precise motion control requirements, but also the actuators are expected to be miniaturized, lightweight and modularized. And it can be used safely in special occasions, such as electromagnetic field environment. Since most traditional actuators use electrothermal, electromagnetic or mechanical driving methods, for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/04H02N2/02
CPCH02N2/02H02N2/043
Inventor 石康
Owner SHAOXING KANGJIAN PRECISION STAINLESS STEEL
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