Counterweight type stepping mechanism

A stepping mechanism and counterweight technology, which is applied in the direction of generators/motors, piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, etc., can solve the problem of small driving speed, small thrust, and increased control difficulty And other issues

Pending Publication Date: 2019-09-13
HUAQIAO UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inchworm precision drive can provide greater precision and thrust, but due to its complex structure, the drive frequency is small, resulting in low drive speed, and the complex structure also makes control more difficult, and the installation accuracy is difficult to control; The matching wear of the type precisio

Method used

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  • Counterweight type stepping mechanism

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Embodiment Construction

[0018] Please check figure 1 , a new type of counterweight stepping mechanism, including a first laminated piezoelectric ceramic 10, a fixed block 20, a second laminated piezoelectric ceramic 30, a mass block 40, a mover 50 and a pretension mechanism. Wherein, the cross section of the proof mass 40 , the cross section of the first laminated piezoelectric ceramic 10 , and the cross section of the second laminated piezoelectric ceramic 30 are all square.

[0019] The mover 50 can move horizontally, and the specific structure is as follows: two lower rollers and two upper rollers are additionally provided, the bottom surface of the mover 50 is supported and connected on the two lower rollers, and the two upper rollers are connected to the top surface of the mover On the one hand, the movement of the mover 50 is turned into rolling through the rollers, and on the other hand, the mover 50 is restricted to move only horizontally, which acts as a guide. The lower roller and the uppe...

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Abstract

The invention discloses a counterweight type stepping mechanism. The counterweight type stepping mechanism comprises a first laminated piezoelectric ceramic, a fixed block, a second laminated piezoelectric ceramic, a mass block, a rotor and a pre-tightening mechanism, wherein the rotor can move in the first direction; one end of the first laminated piezoelectric ceramic is in contact with the rotor, and the pre-tightening mechanism is connected with the other end of the first laminated piezoelectric ceramic, so that the first laminated piezoelectric ceramic is pressed on the rotor; the pre-tightening mechanism, the first laminated piezoelectric ceramic and the rotor are arranged in sequence in the second direction; the extension direction of the second laminated piezoelectric ceramic is inthe second direction, wherein the second direction is perpendicular to the first direction; the fixed block is fixedly arranged on the rotor; one end of the second laminated piezoelectric ceramic isfixedly connected to the side wall of the fixed block, and the other end of the second laminated piezoelectric ceramic is fixedly connected with the mass block; the fixed block, the second laminated piezoelectric ceramic and the mass block are arranged in sequence in the first direction; and the extension direction of the second laminated piezoelectric ceramic is in the first direction. The counterweight type stepping mechanism has the advantages that the counterweight type stepping mechanism has an outage self-locking function.

Description

technical field [0001] The invention relates to the technical field of piezoelectric precision braking, in particular to a counterweight type stepping mechanism. Background technique [0002] Piezoelectric ceramics have an inverse piezoelectric effect, which can convert electrical energy into mechanical energy. In recent years, due to the optimization of the manufacturing process, piezoelectric ceramics can achieve large-scale production, and laminated piezoelectric ceramics are increasingly used in precision drives. . The piezoelectric linear motor made of laminated piezoelectric ceramics as the driver has many advantages, such as high displacement resolution, large bearing capacity, high output rigidity, good output displacement repeatability, simple and easy control, and ability to overcome electromagnetic interference, high temperature, etc. , low temperature and other issues. [0003] At present, there are mainly two ways to realize large-stroke precision stepping dri...

Claims

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Application Information

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IPC IPC(8): H02N2/00H02N2/02H02N2/04H02N2/06
CPCH02N2/001H02N2/021H02N2/04H02N2/06
Inventor 王寅杨成陈紫嫣崔长彩范伟余卿
Owner HUAQIAO UNIVERSITY
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