CN212163186U - Micro-displacement amplifying device for giant magnetostrictive actuator - Google Patents
Micro-displacement amplifying device for giant magnetostrictive actuator Download PDFInfo
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- CN212163186U CN212163186U CN202021309619.8U CN202021309619U CN212163186U CN 212163186 U CN212163186 U CN 212163186U CN 202021309619 U CN202021309619 U CN 202021309619U CN 212163186 U CN212163186 U CN 212163186U
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- connecting rod
- lifting rod
- giant magnetostrictive
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Abstract
The micro-displacement amplifying device for the giant magnetostrictive actuator comprises a cover plate and an output rod, the amplifying device comprises a first connecting rod, a second connecting rod, a first lifting rod and a second lifting rod, the first connecting rod and the second connecting rod are vertically arranged on the cover plate, the output rod is parallel to the first connecting rod and the second connecting rod, the output rod is connected with the first lifting rod, the first end of the first lifting rod is hinged with the first connecting rod, and the second end of the first lifting rod is hinged with the second lifting rod; the end part of the second lifting rod is hinged with the second connecting rod. The utility model relates to a novelty can realize the enlargeing of giant magnetostrictive actuator micrometric displacement, has solved the development bottleneck of giant magnetostrictive actuator displacement volume undersize, is favorable to promoting giant magnetostrictive actuator at the industrial application, realizes conveniently, and material cost is low.
Description
Technical Field
The utility model belongs to the technical field of giant magnetostrictive actuator, especially, relate to a giant magnetostrictive actuator is with little displacement amplification device.
Background
The giant magnetostrictive material is a novel functional material capable of generating large magnetostrictive strain at room temperature and under the condition of a low magnetic field, has the advantages of large output force, high energy density, large electromechanical coupling coefficient, high response speed, large output strain and the like, has wide application prospect in an intelligent system, and has mechanical response behavior related to the problem of mutual coupling of a deformation field, a magnetic field, an eddy current field and a temperature field, and the diameter related to the performance index and reliable operation of the intelligent system.
One application is a giant magnetostrictive actuator, the core of which is: the maximum hysteresis coefficient of the giant magnetostrictive rod can only reach 1600ppm, and the maximum hysteresis coefficient is 800-1000 ppm in practical use. The length of the giant magnetostrictive rod is about 100mm, the actual output displacement is 0.8 mm-1 mm, and the giant magnetostrictive rod is inconvenient to use and limits the development.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a giant magnetostrictive actuator is with little displacement amplification device.
In order to solve the technical problem, the utility model provides a following technical scheme: the micro-displacement amplifying device for the giant magnetostrictive actuator comprises a cover plate and an output rod, the amplifying device comprises a first connecting rod, a second connecting rod, a first lifting rod and a second lifting rod, the first connecting rod and the second connecting rod are vertically arranged on the cover plate, the output rod is parallel to the first connecting rod and the second connecting rod, the output rod is connected with the first lifting rod, the first end of the first lifting rod is hinged with the first connecting rod, and the second end of the first lifting rod is hinged with the second lifting rod; the end part of the second lifting rod is hinged with the second connecting rod.
The bottom end of the transition rod is hinged with the second end of the first lifting rod, and the top end of the transition rod is hinged with the second lifting rod.
The position where the output rod is connected with the first lifting rod is close to the first connecting rod; the position where the transition rod is connected with the second lifting rod is close to the second connecting rod.
The upper surface of the cover plate is provided with a connecting plate, mounting holes are distributed on the connecting plate, and the first connecting rod and the second connecting rod are screwed in the mounting holes; the second lifting rod is matched with the transition rod to be distributed with rotation holes, the rotation holes are distributed along the length direction of the second lifting rod, the top end of the transition rod is provided with a rotating shaft, and the rotating shaft is rotatably arranged in the rotation holes.
A push rod is arranged above the second lifting rod and is vertically arranged, and the push rod is hinged with the second lifting rod.
A guide cylinder is arranged above the second lifting rod, the guide cylinder is vertically arranged, and the push rod is arranged in the guide cylinder in a sliding mode.
The center lines of the push rod and the output rod are overlapped.
The push rod is sleeved with a buffer spring positioned below the guide cylinder.
Through the technical scheme, the beneficial effects of the utility model are that: device simple structure, it is convenient to realize, relates to the novelty, has realized the enlargeing of giant magnetostrictive actuator displacement through lever principle, has solved the development bottleneck of giant magnetostrictive actuator displacement volume undersize, is favorable to promoting giant magnetostrictive actuator at industrial application, and it is convenient to realize, and material cost is low.
Drawings
FIG. 1 is a schematic view of example 1;
FIG. 2 is a schematic structural view of example 2;
FIG. 3 is a schematic structural view of a first connecting rod according to embodiment 2;
FIG. 4 is a schematic structural view of example 3;
FIG. 5 is a schematic structural view of example 4;
FIG. 6 is a schematic structural diagram of example 5.
Detailed Description
Embodiment 1, a micro-displacement amplifying device for a giant magnetostrictive actuator, as shown in fig. 1, the telescopic actuator comprises a cover plate 1 and an output rod 3, and the output rod 3 can slide up and down. The amplifying device comprises a first connecting rod 2, a second connecting rod 6, a transition rod 5, a first lifting rod 4 and a second lifting rod 7, wherein the central line of an output rod 3 is positioned on the connecting line of the central lines of the first connecting rod 2 and the second connecting rod 6.
First connecting rod 2 and second connecting rod 6 all hang down and locate apron 1 on, the output shaft 3 is parallel with first connecting rod 2 and second connecting rod 6.
The first lifting rod 4 is hinged with the output rod 3, and the hinged mode is as follows: set up hinge hole 8 on first rising pole 4, cooperate hinge hole 8 to set up hinge bar 9 on output rod 3, hinge bar 9 rotates and sets up in hinge hole 8, and during the work, the rotation through hinge bar 9 in hinge hole 8 realizes the articulated of first rising pole 4 and output rod 3.
The connecting part of the first lifting rod 4 and the output rod 3 is close to the first connecting rod 2, namely the connecting part of the first lifting rod 4 and the output rod is positioned at the middle point of the first lifting rod 4 close to the side of the first connecting rod 2.
The first end of the first lifting rod 4 is hinged with the first connecting rod 2, and the hinging mode is realized by hinging the first lifting rod 4 and the output rod 3. The second end of the first lifting rod 4 is hinged with the bottom end of the transition rod 5.
The top end of the transition rod 5 is hinged with the second lifting rod 7, the position where the transition rod 5 is connected with the second lifting rod 7 is close to the second connecting rod 6, namely the connecting position of the transition rod 5 and the second lifting rod 7 is located at the middle point of the second lifting rod 7 and close to the side of the second connecting rod 6.
The second lift pins 7 are located above the first lift pins 4. The first end of the second lifting rod 7 is hinged with the second connecting rod 6.
The output rod 3 rises under the action of magnetic force, the output rod 3 pushes the second end of the first lifting rod 4 to rise, the first lifting rod 4 transmits the rising displacement to the second lifting rod 7, so that the second lifting rod 7 also rises, the displacement of the output rod 3 is amplified through the first lifting rod 4 and the second lifting rod 7, and the industrial requirement is met.
Embodiment 2, this embodiment is different from embodiment 1 in that: as shown in fig. 2 and 3, in order to adjust the magnification, a connecting plate is provided on the upper surface of the cover plate 1, and the output rod 3 is inserted through the connecting plate. The connecting plate is fixedly connected with the cover plate 1. The connecting plate is distributed with mounting holes 10, and each mounting hole 10 is distributed on the connecting line from the first connecting rod 2 to the second connecting rod 6. The mounting holes 10 are used for mounting the first connecting rod 2 and the second connecting rod 6. The mode that mounting hole 10 and first connecting rod 2 and second connecting rod 6 are connected does: the spiro union is equipped with threaded rod 11 in the bottom of first connecting rod 2 and second connecting rod 6, establishes the internal thread on the mounting hole 10 inner wall, and threaded rod 11 spiro union is in mounting hole 10. The number of the mounting holes 10 is 6 in the present embodiment, wherein the mounting holes 10 are distributed on the connecting plate along the direction from the first connecting rod 2 to the second connecting rod 6.
When the lifting device is used, the installation hole 10 in which the first connecting rod 2 is installed is adjusted according to needs, so that the magnification of the first lifting rod 4 relative to the output rod 3 is adjusted.
At least two hinge holes 8 are formed in the first lifting rod 4, each hinge hole 8 is distributed in the length direction of the first lifting rod 4 on the first lifting rod 4, and the hinge rods 9 are arranged in the hinge holes 8 in a matched mode.
The second lifting rod 7 is matched with the transition rod 5 to be distributed with rotating holes, each rotating hole is distributed along the length direction of the second lifting rod 7, the top end of the transition rod 5 is provided with a rotating shaft, and the rotating shaft is rotatably arranged in the rotating holes. When the automatic adjusting device is used, the rotating hole in which the rotating shaft is located is adjusted according to needs, so that the amplification factor of the second lifting rod 7 relative to the first lifting rod 4 is adjusted, and finally the amplification factor of the output rod 3 is adjusted.
The output rod 3 rises under the action of magnetic force, the output rod 3 pushes the second end of the first lifting rod 4 to rise, the first lifting rod 4 transmits the rising displacement to the second lifting rod 7, so that the second lifting rod 7 also rises, the displacement of the output rod 3 is amplified through the first lifting rod 4 and the second lifting rod 7, and the industrial requirement is met.
When the magnification needs to be adjusted, the first connecting rod 2 is installed on the connecting plate by selecting a proper installation hole 10, and then the output rod 3 is installed by selecting a proper hinge hole 8; at this time, the distance between the output rod 3 and the first connecting rod 2 is changed, and the output rod 3 is moved up by the same amount, and the first raising rod 4 is moved up by a different amount before and after adjustment.
After the ascending displacement of the first ascending rod 4 is adjusted, the ascending displacement of the second ascending rod 7 is adjusted, a proper rotating hole is selected, the rotating shaft is installed in the rotating hole, the second connecting rod 6 is installed on the connecting rod, at the moment, the distance between the transition rod 5 and the second connecting rod 6 is adjusted, the same ascending displacement of the first ascending rod 4 is achieved before and after adjustment, and the ascending displacement of the second ascending rod 7 is changed.
Example 3, this example differs from example 1 in that: as shown in figure 4 of the drawings,
in order to ensure the stability of the actuator in use, a push rod 12 is arranged above the second lifting rod 7, and the center lines of the push rod 12 and the output rod 3 are coincident. The push rod 12 is vertically arranged, and the push rod 12 is hinged with the second lifting rod 7.
Meanwhile, in order to ensure that the push rod 12 is kept in a vertical state, a guide cylinder 13 is arranged above the second lifting rod 7, the guide cylinder 13 is arranged vertically, and the push rod 12 is arranged in the guide cylinder 13 in a sliding mode.
When the second end of the second lift lever 7 rises, the second lift lever 7 actually takes the first end of the second lift lever 7 as a fulcrum, and the first end of the second lift lever 7 rises in a circle.
The pushing rod 12 is pushed to ascend in the ascending process of the second ascending rod 7, the pushing rod 12 drives the subsequent equipment to move, and the output direction is consistent with the motion direction of the output rod 3.
Example 4, this example differs from example 2 in that: as shown in figure 5 of the drawings,
a push rod 12 is arranged above the second lifting rod 7, and the center lines of the push rod 12 and the output rod 3 are overlapped. The push rod 12 is vertically arranged, and the push rod 12 is hinged with the second lifting rod 7. Meanwhile, in order to ensure that the push rod 12 is kept in a vertical state, a guide cylinder 13 is arranged above the second lifting rod 7, the guide cylinder 13 is arranged vertically, and the push rod 12 is arranged in the guide cylinder 13 in a sliding mode.
Example 5, this example differs from examples 3 and 4 in that: as shown in figure 6 of the drawings,
in order to avoid the stability of the pushing rod 12 in the moving process, a buffer spring 14 located below the guide cylinder 13 is sleeved on the pushing rod 12, the buffer spring 14 can buffer the pushing rod 12, when the output rod 3 ascends, the first ascending rod 4 and the second ascending rod 7 amplify the ascending displacement of the output rod 3, finally, the pushing rod 12 receives the amplified displacement and overcomes the elastic force of the buffer spring 14 to move upwards, when the output rod 3 descends, the pushing rod 12 slowly resets under the elastic force action of the reset spring 14, and large vibration cannot occur.
The utility model relates to a novelty can realize the enlargeing of giant magnetostrictive actuator micrometric displacement, has solved the development bottleneck of giant magnetostrictive actuator displacement volume undersize, is favorable to promoting giant magnetostrictive actuator at the industrial application, realizes conveniently, and material cost is low.
Claims (8)
1. Giant magnetostrictive actuator uses little displacement amplification device, and flexible stopper includes apron and output lever, its characterized in that: the amplifying device comprises a first connecting rod, a second connecting rod, a first lifting rod and a second lifting rod, wherein the first connecting rod and the second connecting rod are both vertically arranged on the cover plate; the end part of the second lifting rod is hinged with the second connecting rod.
2. The micro-displacement amplification device for a giant magnetostrictive actuator according to claim 1, characterized in that: the bottom end of the transition rod is hinged with the second end of the first lifting rod, and the top end of the transition rod is hinged with the second lifting rod.
3. The micro-displacement amplifying device for a giant magnetostrictive actuator according to claim 2, wherein: the position where the output rod is connected with the first lifting rod is close to the first connecting rod; the position where the transition rod is connected with the second lifting rod is close to the second connecting rod.
4. The micro-displacement amplification device for a giant magnetostrictive actuator according to claim 3, characterized in that: the upper surface of the cover plate is provided with a connecting plate, mounting holes are distributed on the connecting plate, and the first connecting rod and the second connecting rod are screwed in the mounting holes; the second lifting rod is matched with the transition rod to be distributed with rotation holes, the rotation holes are distributed along the length direction of the second lifting rod, the top end of the transition rod is provided with a rotating shaft, and the rotating shaft is rotatably arranged in the rotation holes.
5. The micro-displacement amplifying device for a giant magnetostrictive actuator according to any one of claims 1 to 4, characterized in that: a push rod is arranged above the second lifting rod and is vertically arranged, and the push rod is hinged with the second lifting rod.
6. The micro-displacement amplifying device for a giant magnetostrictive actuator according to claim 5, wherein: a guide cylinder is arranged above the second lifting rod, the guide cylinder is vertically arranged, and the push rod is arranged in the guide cylinder in a sliding mode.
7. The micro-displacement amplification device for a giant magnetostrictive actuator according to claim 6, wherein: the center lines of the push rod and the output rod are overlapped.
8. The micro-displacement amplification device for a giant magnetostrictive actuator according to claim 7, wherein: the push rod is sleeved with a buffer spring positioned below the guide cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309619.8U CN212163186U (en) | 2020-07-07 | 2020-07-07 | Micro-displacement amplifying device for giant magnetostrictive actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309619.8U CN212163186U (en) | 2020-07-07 | 2020-07-07 | Micro-displacement amplifying device for giant magnetostrictive actuator |
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| Publication Number | Publication Date |
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| CN212163186U true CN212163186U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021309619.8U Active CN212163186U (en) | 2020-07-07 | 2020-07-07 | Micro-displacement amplifying device for giant magnetostrictive actuator |
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| Country | Link |
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| CN (1) | CN212163186U (en) |
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2020
- 2020-07-07 CN CN202021309619.8U patent/CN212163186U/en active Active
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