A Clamp Type Inertial Piezoelectric Linear Motor

A linear motor and clamp-type technology, applied in the direction of piezoelectric effect/electrostrictive or magnetostrictive motors, generators/motors, electrical components, etc., can solve problems such as small thrust and difficult to bear working loads, and achieve Improve the output thrust, avoid clamping mechanism and pressing mechanism, and have the effect of simple structure

Active Publication Date: 2021-08-31
NANJING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current performance of this type of motor has constraints: although the motor has high precision, its thrust is small and it is difficult to withstand the working load

Method used

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  • A Clamp Type Inertial Piezoelectric Linear Motor
  • A Clamp Type Inertial Piezoelectric Linear Motor
  • A Clamp Type Inertial Piezoelectric Linear Motor

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Experimental program
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Embodiment Construction

[0023] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] Such as figure 1 As shown, the present invention is a clamp-type inertial piezoelectric linear motor, including a stator fixed frame 1 and an output rod 2, the stator fixed frame 1 is a hollow structure, and the two ends of the stator fixed frame 1 are respectively connected to the left lever 3 And the right lever 4, the upper and lower ends of the left lever 3 and the right lever 4 are respectively horizontally provided with an upper clamp block 5 and a lower clamp block 6, and a wedge 7 is placed between the two lower clamp blocks 6;

[0025] The stator fixed frame 1 is provided with an annular laminated piezoelectric ceramic 8, the upper end of the annular laminated piezoelectric ceramic 8 is against the inner surface of the upper end of the stator fixed frame 1, and the annular laminated piezoelectric ceramic 8 The lower end abuts a...

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Abstract

The invention discloses a clamp-type inertial piezoelectric linear motor, which comprises a stator fixed frame and an output rod. The stator fixed frame is a hollow structure. An upper clamp block and a lower clamp block are arranged horizontally at the ends respectively, and a wedge is placed between the two lower clamp blocks; a ring-shaped laminated piezoelectric ceramic is arranged in the fixed frame of the stator, and the upper end of the ring-shaped laminated piezoelectric ceramic is against Lean against the inner surface of the upper end of the stator fixed frame, the lower end of the annular laminated piezoelectric ceramics is against the upper end of the wedge, the output rod passes through the stator fixed frame, annular laminated piezoelectric ceramics, and the wedge in turn, and the lower end of the output rod extends Wedge out. The stator in the inertial piezoelectric linear motor of the present invention adopts a clamp-type structure, and the left and right levers can be adjusted to meet different precision requirements; at the same time, the clamp-type structure can achieve high precision by increasing the clamp and output during work. The positive pressure and friction between the rods increase the output thrust.

Description

technical field [0001] The invention belongs to the technical field of piezoelectric precision actuation, and in particular relates to a clamp-type inertial piezoelectric linear motor. Background technique [0002] Piezoelectric linear motors have the characteristics of high positioning accuracy, fast response speed, flexible design, and immunity to electromagnetic interference. They have broad application prospects in emerging cutting-edge technology fields. In recent years, piezoelectric linear motors have been developed rapidly under the extensive attention of researchers from many countries. Classified according to the principle, the piezoelectric motor can be divided into resonant and non-resonant motors. In the resonant motor, the vibrating body is driven by a signal in the ultrasonic frequency band to generate micro-amplitude vibration through modal coupling, and the dynamic force is driven by friction. The motor produces a large-stroke motion, and the use of the cou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N2/02H02N2/04
CPCH02N2/025H02N2/04
Inventor 孙梦馨王寅冯勇黄卫清
Owner NANJING INST OF TECH
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