CN207743897U - A kind of two-way piezoelectric actuator - Google Patents
A kind of two-way piezoelectric actuator Download PDFInfo
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- CN207743897U CN207743897U CN201820049990.1U CN201820049990U CN207743897U CN 207743897 U CN207743897 U CN 207743897U CN 201820049990 U CN201820049990 U CN 201820049990U CN 207743897 U CN207743897 U CN 207743897U
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Abstract
The utility model is related to a kind of two-way piezoelectric actuators, including：Piezoelectric vibrator, the first support leg, the second support leg, third support leg, the first foot bearing and crus secunda bearing, wherein：Support leg is arranged in piezoelectric vibrator lower surface, and foot bearing is connected to support leg free end, and foot bearing is that fan-shaped high coefficient of friction material and low friction coefficient materials are combined by section.So that its cyclic bending is deformed to applying biasing alternating voltage on piezoelectric vibrator, drives wherein bipod bearing close to each other or separate.In foot bearing moving process, the material of different coefficients of friction is in contact with working face respectively on foot bearing, to make foot bearing generate different displacements, the final displacement for realizing driver.The utility model realizes bi-directional drive, and has the advantages that the service life that simple in structure, maintenance cost is low, the requirement to working face is relatively low and extends piezoelectric ceramics in driver.
Description
Technical field
The utility model belongs to Piezoelectric Driving field, and in particular to a kind of two-way piezoelectric actuator.
Background technology
Traditional driver has the characteristics that impulse stroke is big, movement velocity is fast and bearing capacity is big, but legacy drive
Bulky and Motion Resolution rate is not high.It is contemporary with scientific technological advance, micromachine, accurate measurement and biologic medical are all
To mini drive, more stringent requirements are proposed, it is desirable that mini drive must realize small size and high-precision.New micro drive
Dynamic device is mainly driven using marmem, magnetostriction materials, electrostriction material and piezoelectric ceramics.Wherein, it presses
Electric drive mini drive has the advantages that positioning accuracy height, fast response time, electromagnetism interference, small power consumption and driving force are big,
Existing piezoelectric actuator mainly has the driving of looper type and two class of inertial drive, but this two quasi-drivers structure is complex, more
Easily is lost by component and is not easy to replace for operating environment requirements height with working face rigid contact.
Invention content
It is complex in order to solve current piezoelectric actuator structure, mostly with working face rigid contact, to operating environment requirements
The problem of component is not easy to replace easily is lost, it is proposed that a kind of two-way piezoelectric actuator, the driver is by piezoelectric vibrator, first in height
Support leg, the second support leg, the first foot bearing and crus secunda bearing are constituted, wherein the piezoelectric vibrator is glued by piezoelectric sheet material
It is attached on Rectangular Elastic matrix and constitutes, first support leg and the second support leg are identical rectangular tab component and have one
Fixed elasticity, first support leg one end is arranged in piezoelectric vibrator lower surface, the other end is free end, second support leg
One end is connected to piezoelectric vibrator lower surface, the other end is free end, and the first foot bearing and crus secunda bearing are all cylinder
Component, the first foot bearing is by the first low friction system that section is that fan-shaped the first high coefficient of friction material and section are sector
Number Material claddings form, and it is fan-shaped that the crus secunda bearing, which is fan-shaped the second low friction coefficient materials and section by section,
Two high coefficient of friction material are combined, and the free end of first support leg is connect with the first foot bearing, second support
The free end of leg is connect with crus secunda bearing.Driver is placed on working face, the first foot bearing and crus secunda branch
Seat is contacted with working face.Driver the first foot bearing is by two fan-shaped high coefficient of friction material and a low friction coefficient materials
It is bonded, crus secunda bearing is bonded by two fan-shaped low friction coefficient materials and a high coefficient of friction material, described
Apply biasing alternating voltage on piezoelectric vibrator and bring it about cyclic bending deformation, drives wherein bipod bearing close to each other or mutual
It is separate.In foot bearing moving process, for foot bearing by the frictional force opposite with moving direction, frictional force makes foot bearing and support
Certain twisting occurs for leg, and the material of different coefficients of friction on foot bearing is promoted to be in contact respectively with working face, to make foot branch
Seat generates different displacements, the final displacement for realizing driver.The positive mobile working principle schematic of the driver is such as
Shown in Fig. 2：When piezoelectric vibrator is not powered on, driver is in nature, and support leg and foot bearing do not twist, such as Fig. 2 (a)
It is shown；Lead to forward dc electricity to piezoelectric vibrator, piezoelectric vibrator generates certain concave change shape, drives the first foot bearing and crus secunda
Bearing is located remotely from each other, and is worked at the same time the frictional force of plane generation and is made the support leg at piezoelectric vibrator both ends and foot bearing that certain turn round occur
It is dynamic, cause the first foot bearing turn over counterclockwise low-angle to high coefficient of friction material and low friction coefficient materials corresponds to bonding place and
Working face contacts, and crus secunda bearing turns over low-angle to high coefficient of friction material and low friction coefficient materials and corresponds to bonding clockwise
Place is contacted with working face, as shown in Fig. 2 (b)；Piezoelectric vibrator, piezoelectric vibrator is driven to continue to generate concave change shape with alternating voltage at this time
When, drive the first foot bearing and crus secunda bearing to be located remotely from each other, the frictional force for working at the same time plane generation continues to make the first piezoelectricity
Certain twisting occurs for the support leg and foot bearing at oscillator both ends, causes the high coefficient of friction material and crus secunda branch of the first foot bearing
The low friction coefficient materials of seat are contacted with working face, and the skidding distance of crus secunda bearing is significantly greater than the cunning of the first foot bearing at this time
Distance is moved, as shown in Fig. 2 (c)；When piezoelectric vibrator, which is powered, generates convex deformation, drive the first foot bearing and crus secunda bearing mutual
Close, the direction that working face generates at this time changes, and the support leg and foot bearing of piezoelectric vibrator both sides are produced respectively
Raw certain negative direction twisting, causes the high coefficient of friction material of the low friction coefficient materials and crus secunda bearing of the first foot bearing
It is contacted with working face, the skidding distance of the first foot bearing is significantly greater than the skidding distance of crus secunda bearing at this time, such as Fig. 2 (d) institutes
Show；A working cycles are completed when piezoelectric vibrator turns again to logical direct current offset position, as shown in Fig. 2 (e).It shakes in piezoelectricity
In a cycle of sub- energization cyclic bending deformation, the first foot bearing and crus secunda bearing is driven to be located remotely from each other or close to each other,
When the first foot bearing and crus secunda bearing are located remotely from each other, larger sliding occurs for crus secunda bearing, and when the first foot bearing and
When crus secunda bearing is close to each other, larger sliding occurs for the first foot bearing, therefore can be produced in a power cycles inner driver
A raw step-length to the right.The reverse movement operation principle schematic diagram of the driver is as shown in Figure 3：When piezoelectric vibrator is not powered on
When, driver is in nature, and support leg and foot bearing do not twist, as shown in Fig. 3 (a)；It is reversed to lead to one to piezoelectric vibrator
Direct current, piezoelectric vibrator generate certain convex deformation, drive the first foot bearing and crus secunda bearing close to each other, work at the same time flat
The frictional force that face generates makes the support leg at piezoelectric vibrator both ends and foot bearing that certain twisting occur, and causes the first foot bearing clockwise
It turns over low-angle and corresponds to bonding place to high coefficient of friction material and low friction coefficient materials and contacted with working face, crus secunda bearing is inverse
Hour hands turn over low-angle and correspond to bonding place to high coefficient of friction material and low friction coefficient materials to be contacted with working face, such as Fig. 3 (b)
It is shown；Piezoelectric vibrator is driven with alternating voltage at this time, when piezoelectric vibrator continues to generate convex deformation, drives the first foot bearing and second
Foot bearing is close to each other, and the frictional force for working at the same time plane generation continues the support leg and foot bearing that make the first piezoelectric vibrator both ends
Certain twisting occurs, causes the high coefficient of friction material of the first foot bearing and low friction coefficient materials and the work of crus secunda bearing
Face contacts, and the skidding distance of crus secunda bearing is significantly greater than the skidding distance of the first foot bearing at this time, as shown in Fig. 3 (c)；Work as pressure
When electric tachometer indicator energization generates concave change shape, the first foot bearing and crus secunda bearing is driven to be located remotely from each other, working face generates at this time
Direction changes, and the support leg and foot bearing of piezoelectric vibrator both sides generate certain negative direction twisting respectively, cause
The low friction coefficient materials of first foot bearing and the high coefficient of friction material of crus secunda bearing are contacted with working face, at this time the first foot
The skidding distance of bearing is significantly greater than the skidding distance of crus secunda bearing, as shown in Fig. 3 (d)；When piezoelectric vibrator turn again to it is logical
A working cycles are completed when direct current offset position, as shown in Fig. 3 (e).The one of the deformation of piezoelectric vibrator energization cyclic bending
In a period, the first foot bearing and crus secunda bearing is driven to be located remotely from each other or close to each other, when the first foot bearing and crus secunda branch
When seat is close to each other, larger sliding occurs for crus secunda bearing, and when the first foot bearing and crus secunda bearing are located remotely from each other, the
Larger sliding occurs for one foot bearing, therefore will produce a step-length to the left in a power cycles inner driver.Therefore work as
When piezoelectric vibrator is acted on by forward bias alternating voltage, which realizes forward drive；When piezoelectric vibrator is by reversed inclined
When setting alternating voltage effect, which realizes reverse drive.The utility model realizes bi-directional drive, and with structure letter
Singly, the advantages of maintenance cost is low, requirement to working face is relatively low and extends the service life of piezoelectric ceramics in driver.
To achieve the goals above, the present invention uses following technical scheme：
A kind of two-way piezoelectric actuator of the utility model, the driver is by piezoelectric vibrator, the first support leg, the second support
Leg, the first foot bearing and crus secunda bearing are constituted, wherein the piezoelectric vibrator is pasted onto Rectangular Elastic base by piezoelectric sheet material
It is constituted on body, first support leg and the second support leg are identical rectangular tab component and have certain elasticity, described
First support leg one end is arranged in piezoelectric vibrator lower surface, the other end is free end, and second support leg one end is connected to pressure
Electric tachometer indicator lower surface, the other end are free end, and the first foot bearing and crus secunda bearing are all cylindrical member, described first
Foot bearing by section be fan-shaped the first high coefficient of friction material and section be the first fan-shaped low friction coefficient materials it is compound and
At the crus secunda bearing is by the second great friction coefficient that section is that fan-shaped the second low friction coefficient materials and section are sector
Material cladding forms, and the free end of first support leg is connect with the first foot bearing, the free end of second support leg with
Crus secunda bearing connects.
When work, driver is placed on working face, the first foot bearing and crus secunda bearing and working face
Contact.Driver the first foot bearing is bonded by two fan-shaped high coefficient of friction material and a low friction coefficient materials, the
Two foot bearings are bonded by two fan-shaped low friction coefficient materials and a high coefficient of friction material, are applied on the piezoelectric vibrator
Biasing sets alternating voltage and brings it about cyclic bending deformation, and wherein bipod bearing is close to each other or is located remotely from each other for drive.In foot branch
In seat moving process, for foot bearing by the frictional force opposite with moving direction, it is certain that frictional force makes foot bearing and support leg occur
Twisting, promote the material of different coefficients of friction on foot bearing to be in contact respectively with working face, it is different to make foot bearing generate
Displacement, the final displacement for realizing driver.The positive mobile working principle schematic of the driver is as shown in Figure 2：When
When piezoelectric vibrator is not powered on, driver is in nature, and support leg and foot bearing do not twist, as shown in Fig. 2 (a)；To pressure
Electric tachometer indicator leads to forward dc electricity, and piezoelectric vibrator generates certain concave change shape, drives the first foot bearing and crus secunda bearing mutual
Separate, working at the same time the frictional force of plane generation makes the support leg at piezoelectric vibrator both ends and foot bearing that certain twisting occur, and causes
First foot bearing turns over low-angle to high coefficient of friction material and low friction coefficient materials and corresponds to bonding place and working face counterclockwise
Contact, crus secunda bearing turn over low-angle to high coefficient of friction material and low friction coefficient materials and correspond to bonding place and work clockwise
Make face contact, as shown in Fig. 2 (b)；Piezoelectric vibrator is driven with alternating voltage at this time, when piezoelectric vibrator continues to generate concave change shape, band
Dynamic first foot bearing and crus secunda bearing are located remotely from each other, and the frictional force for working at the same time plane generation continues to make the first piezoelectric vibrator two
Certain twisting occurs for the support leg and foot bearing at end, cause the first foot bearing high coefficient of friction material and crus secunda bearing it is low
Friction coefficient material is contacted with working face, at this time the skidding distance of crus secunda bearing be significantly greater than the sliding of the first foot bearing away from
From as shown in Fig. 2 (c)；When piezoelectric vibrator, which is powered, generates convex deformation, the first foot bearing and crus secunda bearing is driven mutually to lean on
Closely, the direction that working face generates at this time changes, and the support leg and foot bearing of piezoelectric vibrator both sides generate respectively
Certain negative direction twisting, cause the first foot bearing low friction coefficient materials and crus secunda bearing high coefficient of friction material with
Working face contacts, and the skidding distance of the first foot bearing is significantly greater than the skidding distance of crus secunda bearing at this time, as shown in Fig. 2 (d)；
A working cycles are completed when piezoelectric vibrator turns again to logical direct current offset position, as shown in Fig. 2 (e).In piezoelectric vibrator
In a cycle of energization cyclic bending deformation, the first foot bearing and crus secunda bearing is driven to be located remotely from each other or close to each other, when
When first foot bearing and crus secunda bearing are located remotely from each other, larger sliding occurs for crus secunda bearing, and when the first foot bearing and the
When two foot bearings are close to each other, larger sliding occurs for the first foot bearing, therefore will produce in a power cycles inner driver
One step-length to the right.The reverse movement operation principle schematic diagram of the driver is as shown in Figure 3：When piezoelectric vibrator is not powered on,
Driver is in nature, and support leg and foot bearing do not twist, as shown in Fig. 3 (a)；Lead to a reversed direct current to piezoelectric vibrator
Electricity, piezoelectric vibrator generate certain convex deformation, drive the first foot bearing and crus secunda bearing close to each other, work at the same time plane production
Raw frictional force makes the support leg at piezoelectric vibrator both ends and foot bearing that certain twisting occur, and the first foot bearing is caused to turn over clockwise
Low-angle corresponds to bonding place to high coefficient of friction material and low friction coefficient materials and is contacted with working face, and crus secunda bearing is counterclockwise
It turns over low-angle and corresponds to bonding place to high coefficient of friction material and low friction coefficient materials and contacted with working face, such as Fig. 3 (b) institutes
Show；Piezoelectric vibrator is driven with alternating voltage at this time, when piezoelectric vibrator continues to generate convex deformation, drives the first foot bearing and crus secunda
Bearing is close to each other, and the frictional force for working at the same time plane generation continues the support leg for making the first piezoelectric vibrator both ends and foot bearing hair
Raw certain twisting, causes the high coefficient of friction material of the first foot bearing and the low friction coefficient materials and working face of crus secunda bearing
Contact, the skidding distance of crus secunda bearing is significantly greater than the skidding distance of the first foot bearing at this time, as shown in Fig. 3 (c)；Work as piezoelectricity
When oscillator energization generates concave change shape, the first foot bearing and crus secunda bearing is driven to be located remotely from each other, what working face generated at this time rubs
It wipes force direction to change, the support leg and foot bearing of piezoelectric vibrator both sides generate certain negative direction twisting respectively, cause the
The low friction coefficient materials of one foot bearing and the high coefficient of friction material of crus secunda bearing are contacted with working face, at this time the first foot branch
The skidding distance of seat is significantly greater than the skidding distance of crus secunda bearing, as shown in Fig. 3 (d)；Lead to directly when piezoelectric vibrator turns again to
A working cycles are completed when galvanic electricity offset position, as shown in Fig. 3 (e).At one of the deformation of piezoelectric vibrator energization cyclic bending
In period, the first foot bearing and crus secunda bearing is driven to be located remotely from each other or close to each other, when the first foot bearing and crus secunda bearing
When close to each other, larger sliding occurs for crus secunda bearing, and when the first foot bearing and crus secunda bearing are located remotely from each other, first
Larger sliding occurs for foot bearing, therefore will produce a step-length to the left in a power cycles inner driver.Therefore when pressure
When electric tachometer indicator is acted on by forward bias alternating voltage, which realizes forward drive；When piezoelectric vibrator is by reverse bias
When alternating voltage acts on, which realizes reverse drive.The utility model realizes bi-directional drive, and with it is simple in structure,
The advantages of maintenance cost is low, requirement to working face is relatively low and extends the service life of piezoelectric ceramics in driver.
Description of the drawings
Fig. 1 is a kind of two-way piezoelectric actuator structural schematic diagram of the utility model.
Fig. 2 is a kind of two-way piezoelectric actuator forward drive process schematic of the utility model.
Fig. 3 is a kind of two-way piezoelectric actuator reverse drive process schematic of the utility model.
Specific implementation mode
Referring to FIG. 1, FIG. 2 and FIG. 3, a kind of two-way piezoelectric actuator of this utility model is supported by piezoelectric vibrator 1, first
Leg 2, the second support leg 3, the first foot bearing 4 and crus secunda bearing 5 form, wherein：
The piezoelectric vibrator 1 is pasted onto on Rectangular Elastic matrix by piezoelectric sheet material and is constituted, 2 He of the first support leg
Second support leg 3 is identical rectangular tab component and has certain elasticity, and described first support leg, 2 one end is arranged in piezoelectricity
1 lower surface of oscillator, the other end are free end, and described second support leg, 3 one end is connected to 1 lower surface of piezoelectric vibrator, the other end is
Free end, the first foot bearing 4 and crus secunda bearing 5 are all cylindrical member, and the first foot bearing 4 is sector by section
The first high coefficient of friction material 41 and section be that the first fan-shaped low friction coefficient materials 42 are combined, the crus secunda branch
Seat 5 by section be fan-shaped the second low friction coefficient materials 51 and section be fan-shaped second high coefficient of friction material 52 it is compound and
At the free end of first support leg 2 is connect with the first foot bearing 4, free end and the crus secunda branch of second support leg 3
Seat 5 connects.
When work, driver is placed on working face, the first foot bearing and crus secunda bearing and working face
Contact.Driver the first foot bearing is bonded by two fan-shaped high coefficient of friction material and a low friction coefficient materials, the
Two foot bearings are bonded by two fan-shaped low friction coefficient materials and a high coefficient of friction material, are applied on the piezoelectric vibrator
Biasing sets alternating voltage and brings it about cyclic bending deformation, and wherein bipod bearing is close to each other or is located remotely from each other for drive.In foot branch
In seat moving process, for foot bearing by the frictional force opposite with moving direction, it is certain that frictional force makes foot bearing and support leg occur
Twisting, promote the material of different coefficients of friction on foot bearing to be in contact respectively with working face, it is different to make foot bearing generate
Displacement, the final displacement for realizing driver.The positive mobile working principle schematic of the driver is as shown in Figure 2：When
When piezoelectric vibrator is not powered on, driver is in nature, and support leg and foot bearing do not twist, as shown in Fig. 2 (a)；To pressure
Electric tachometer indicator leads to forward dc electricity, and piezoelectric vibrator generates certain concave change shape, drives the first foot bearing and crus secunda bearing mutual
Separate, working at the same time the frictional force of plane generation makes the support leg at piezoelectric vibrator both ends and foot bearing that certain twisting occur, and causes
First foot bearing turns over low-angle to high coefficient of friction material and low friction coefficient materials and corresponds to bonding place and working face counterclockwise
Contact, crus secunda bearing turn over low-angle to high coefficient of friction material and low friction coefficient materials and correspond to bonding place and work clockwise
Make face contact, as shown in Fig. 2 (b)；Piezoelectric vibrator is driven with alternating voltage at this time, when piezoelectric vibrator continues to generate concave change shape, band
Dynamic first foot bearing and crus secunda bearing are located remotely from each other, and the frictional force for working at the same time plane generation continues to make the first piezoelectric vibrator two
Certain twisting occurs for the support leg and foot bearing at end, cause the first foot bearing high coefficient of friction material and crus secunda bearing it is low
Friction coefficient material is contacted with working face, at this time the skidding distance of crus secunda bearing be significantly greater than the sliding of the first foot bearing away from
From as shown in Fig. 2 (c)；When piezoelectric vibrator, which is powered, generates convex deformation, the first foot bearing and crus secunda bearing is driven mutually to lean on
Closely, the direction that working face generates at this time changes, and the support leg and foot bearing of piezoelectric vibrator both sides generate respectively
Certain negative direction twisting, cause the first foot bearing low friction coefficient materials and crus secunda bearing high coefficient of friction material with
Working face contacts, and the skidding distance of the first foot bearing is significantly greater than the skidding distance of crus secunda bearing at this time, as shown in Fig. 2 (d)；
A working cycles are completed when piezoelectric vibrator turns again to logical direct current offset position, as shown in Fig. 2 (e).In piezoelectric vibrator
In a cycle of energization cyclic bending deformation, the first foot bearing and crus secunda bearing is driven to be located remotely from each other or close to each other, when
When first foot bearing and crus secunda bearing are located remotely from each other, larger sliding occurs for crus secunda bearing, and when the first foot bearing and the
When two foot bearings are close to each other, larger sliding occurs for the first foot bearing, therefore will produce in a power cycles inner driver
One step-length to the right.The reverse movement operation principle schematic diagram of the driver is as shown in Figure 3：When piezoelectric vibrator is not powered on,
Driver is in nature, and support leg and foot bearing do not twist, as shown in Fig. 3 (a)；Lead to a reversed direct current to piezoelectric vibrator
Electricity, piezoelectric vibrator generate certain convex deformation, drive the first foot bearing and crus secunda bearing close to each other, work at the same time plane production
Raw frictional force makes the support leg at piezoelectric vibrator both ends and foot bearing that certain twisting occur, and the first foot bearing is caused to turn over clockwise
Low-angle corresponds to bonding place to high coefficient of friction material and low friction coefficient materials and is contacted with working face, and crus secunda bearing is counterclockwise
It turns over low-angle and corresponds to bonding place to high coefficient of friction material and low friction coefficient materials and contacted with working face, such as Fig. 3 (b) institutes
Show；Piezoelectric vibrator is driven with alternating voltage at this time, when piezoelectric vibrator continues to generate convex deformation, drives the first foot bearing and crus secunda
Bearing is close to each other, and the frictional force for working at the same time plane generation continues the support leg for making the first piezoelectric vibrator both ends and foot bearing hair
Raw certain twisting, causes the high coefficient of friction material of the first foot bearing and the low friction coefficient materials and working face of crus secunda bearing
Contact, the skidding distance of crus secunda bearing is significantly greater than the skidding distance of the first foot bearing at this time, as shown in Fig. 3 (c)；Work as piezoelectricity
When oscillator energization generates concave change shape, the first foot bearing and crus secunda bearing is driven to be located remotely from each other, what working face generated at this time rubs
It wipes force direction to change, the support leg and foot bearing of piezoelectric vibrator both sides generate certain negative direction twisting respectively, cause the
The low friction coefficient materials of one foot bearing and the high coefficient of friction material of crus secunda bearing are contacted with working face, at this time the first foot branch
The skidding distance of seat is significantly greater than the skidding distance of crus secunda bearing, as shown in Fig. 3 (d)；Lead to directly when piezoelectric vibrator turns again to
A working cycles are completed when galvanic electricity offset position, as shown in Fig. 3 (e).At one of the deformation of piezoelectric vibrator energization cyclic bending
In period, the first foot bearing and crus secunda bearing is driven to be located remotely from each other or close to each other, when the first foot bearing and crus secunda bearing
When close to each other, larger sliding occurs for crus secunda bearing, and when the first foot bearing and crus secunda bearing are located remotely from each other, first
Larger sliding occurs for foot bearing, therefore will produce a step-length to the left in a power cycles inner driver.Therefore when pressure
When electric tachometer indicator is acted on by forward bias alternating voltage, which realizes forward drive；When piezoelectric vibrator is by reverse bias
When alternating voltage acts on, which realizes reverse drive.The utility model realizes bi-directional drive, and with it is simple in structure,
The advantages of maintenance cost is low, requirement to working face is relatively low and extends the service life of piezoelectric ceramics in driver.
Claims (1)
1. a kind of two-way piezoelectric actuator, including：Piezoelectric vibrator (1), the first support leg (2) and the second support leg (3), feature
It is to further include the first foot bearing (4) and crus secunda bearing (5) for realizing bi-directional drive；The wherein described piezoelectric vibrator (1) is by pressing
Electric sheeting is pasted onto on Rectangular Elastic matrix and constitutes, and first support leg (2) and the second support leg (3) are identical square
Shape sheet members and there is certain elasticity, described first support leg (2) one end is arranged in piezoelectric vibrator (1) lower surface, another
End is free end, and described second support leg (3) one end is connected to piezoelectric vibrator (1) lower surface, the other end is free end, described the
One foot bearing (4) and crus secunda bearing (5) are all cylindrical member, and the first foot bearing (4) is by first that section is sector
High coefficient of friction material (41) and section are that fan-shaped the first low friction coefficient materials (42) are combined, the crus secunda bearing
(5) it is that the second high coefficient of friction material (52) that fan-shaped the second low friction coefficient materials (51) and section are sector is multiple by section
It closes, the free end of first support leg (2) is connect with the first foot bearing (4), the free end of second support leg (3)
It is connect with crus secunda bearing (5).
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| CN201820049990.1U CN207743897U (en) | 2018-01-12 | 2018-01-12 | A kind of two-way piezoelectric actuator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108063563A (en) * | 2018-01-12 | 2018-05-22 | 吉林大学 | A kind of two-way piezoelectric actuator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063563A (en) * | 2018-01-12 | 2018-05-22 | 吉林大学 | A kind of two-way piezoelectric actuator |
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Inventor after: Zeng Xiangli Inventor after: Zhang Baoyu Inventor after: Lan Lili Inventor after: Wu Yue Inventor after: Liu Qingping Inventor after: Song Zhengyi Inventor after: Wang Jingchun Inventor after: Yang Zhigang Inventor after: Dong Jingshi Inventor after: Wei Dongdong Inventor before: Zeng Xiangli Inventor before: Wu Yue Inventor before: Liu Qingping Inventor before: Song Zhengyi Inventor before: Wang Jingchun Inventor before: Yang Zhigang Inventor before: Dong Jingshi Inventor before: Wei Dongdong Inventor before: Zhang Baoyu |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201103 Address after: Room 704a-1, Huigu building, 1357 Jinhu Road, high tech Zone, Changchun City, Jilin Province Patentee after: CHANGCHUN SHANGYUAN TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 130012 Changchun Qianjin Street, Jilin, No. 2699 Patentee before: Jilin University |