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Nested giant magnetostrictive actuator

A giant magnetostrictive and actuator technology, applied in the direction of piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, generators/motors, etc., can solve the problem of increasing the output displacement of giant magnetostrictive actuators, etc. problem, to achieve the effect of simple structure, increased output displacement, and large output displacement

Active Publication Date: 2016-11-09
SHENYANG POLYTECHNIC UNIV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, there are few reports on increasing the output displacement of giant magnetostrictive actuators by combining magnetostrictive materials of different shapes.

Method used

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  • Nested giant magnetostrictive actuator
  • Nested giant magnetostrictive actuator

Examples

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Embodiment Construction

[0019] The invention utilizes the magnetostrictive effect characteristic of the magnetostrictive material, and designs a nested giant magnetostrictive actuator by combining two kinds of magnetostrictive materials with different shapes.

[0020] The nested giant magnetostrictive actuator mainly includes a magnetic-resistance base, a lower magnetic-conductive sheet, a coil bobbin, a magnetostrictive sleeve, a magnetic-conductive sleeve, a magnetic-resistant sleeve, a lower magnetic-conductive block, and a magnetostrictive rod , upper magnetic block, cylindrical yoke, upper magnetic sheet, magnetic resistance shell, magnetic resistance step transmission shaft, preload cover and disc spring, such as figure 1 As shown in , the lower end of the giant magnetostrictive actuator has an inner groove at the bottom, a bolt through hole on the circumference, a ring-shaped boss on the outer edge of the upper end, and a magnetic resistance base 7 with a boss in the center; There is a boss in...

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Abstract

The invention belongs to a magnetostrictive field, and relates to a nested giant magnetostrictive actuator. The nested giant magnetostrictive actuator mainly comprises a magneto-resistance base, a lower magnetic conductive plate, a coil skeleton, a magnetostrictive sleeve, a magnetic conductive sleeve, a magneto-resistance sleeve, a lower magnetic conductive block, a magnetostrictive rod, an upper magnetic conductive block, a cylindrical magnet yoke, an upper magnetic conductive plate, a magneto-resistance shell, a magneto-resistance ladder transmission shaft, a pre-tightening cover and a disc spring. The nested giant magnetostrictive actuator has the advantages of reasonable structure, simple operation and the like, and the output displacement of the actuator can be increased by combining magnetostrictive materials in different shapes and internal transmission structures of the actuator. The application occasions of the magnetostrictive actuator are widened, and the actuator has significance for practical application of the actuator.

Description

technical field [0001] The invention relates to the field of giant magnetostrictive actuator devices, in particular to a nested giant magnetostrictive actuator. Background technique [0002] The magnetostrictive material Terfenol-D is a new type of rare earth functional material that appeared in the 1970s. This material is regarded as a new type of strategic functional material to improve the country's high-tech comprehensive competitiveness in the 21st century. Compared with piezoelectric ceramic materials, this material has a large magnetostriction coefficient, high energy density, fast response speed, high magneto-mechanical conversion efficiency and compression resistance. Magnetostriction is one of the important physical properties of this material. The micro-displacement actuator can be made by utilizing the magnetostrictive effect characteristic of the material. The giant magnetostrictive displacement actuator made of magnetostrictive material has the advantages of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/02H02N2/04
CPCH02N2/02H02N2/043
Inventor 刘慧芳王汉玉王文国杨国哲
Owner SHENYANG POLYTECHNIC UNIV
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