CN109253199A - damper - Google Patents
damper Download PDFInfo
- Publication number
- CN109253199A CN109253199A CN201710574653.4A CN201710574653A CN109253199A CN 109253199 A CN109253199 A CN 109253199A CN 201710574653 A CN201710574653 A CN 201710574653A CN 109253199 A CN109253199 A CN 109253199A
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- China
- Prior art keywords
- cylinder
- magnetic field
- damper
- generating unit
- bar
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/01—Vibration-dampers; Shock-absorbers using friction between loose particles, e.g. sand
- F16F7/015—Vibration-dampers; Shock-absorbers using friction between loose particles, e.g. sand the particles being spherical, cylindrical or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F6/00—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid
- F16F6/005—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid using permanent magnets only
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of damper, can generate damping force well, and easily the damping force can be adjusted.Damping device is for cylinder (10), bar (50), elastomer particles (90) and magnetic field generating unit (20).In cylinder (10), the bar (50) for moving back and forth freely or being pivoted in axial direction freely is protruding to the outside.Elastomer particles (90) have the characteristic and elasticity of permanent magnet, and filled with multiple in cylinder (10).Magnetic field generating unit (20) generates scheduled magnetic field in cylinder (10).
Description
Technical field
The present invention relates to a kind of dampers.
Background technique
Patent document 1 discloses existing damper.The damper becomes following structure, that is, by cylinder and a pair
Filled with the steel ball as granule in the space that lid is surrounded, piston is with the movement of bar and filled in granule
Portion is relatively displaced relative to cylinder.A pair of of lid is respectively by a pair of of spring always to making the space for being accommodated with granule
The direction of volume reduction exerts a force.In addition, the periphery in cylinder is provided with electromagnet.
In the damper, when make bar displacement so that piston is relatively displaced relative to cylinder when, granule with
The movement of piston and flow, to generate frictional force between granule, between granule and piston etc., thus generate damping
Power.Specifically, lid can be moved to this when the power required for flowing granule is greater than the power for being applied to lid from spring
Power with from the position that the power that spring is applied to lid balances each other.When lid is displaced, the shell filled with granule is intracorporal
Volume increases, so that gap can be generated in cylinder.As a result, in the damper, the flowing of granule is promoted, and piston pushes away
It opens granule and moves, to generate damping force.
Also, when stream alives in the electromagnet in the damper, along the direction in the magnetic line of force direction of electromagnet
On granule binding force enhancing.The frictional force between granule becomes larger as a result, and the damping force of damper also becomes larger therewith.By
This, which can carry out control by the size to the electric current to circulate in electromagnet to the characteristic of the damping force to generation
It changes.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2011-21648 bulletin
Summary of the invention
Problems to be solved by the invention
The damper of patent document 1 is in cylinder filled with the steel ball as granule.Steel ball does not have flexibility.Therefore,
Adjacent granule in the granule compressed by a pair of of lid each other may it is hot sticky together.As a result, in the damper
It is possible that will appear following situation, that is, granule can not flow in cylinder, to interfere the movement of piston, lead to not produce
Raw damping force.
The case where present invention is in view of the above-mentioned prior art and the invention completed, the project to be solved is, provides one
Damping force kind can be generated well and being capable of the damper that is adjusted of the size easily to generated damping force.
Means for solving the problems
Damping device of the invention is for shell, bar, particle and magnetic field generating unit.Move back and forth in axial direction freely or
It is protruding to the outside from shell that person is pivoted bar freely.Particle has the characteristic and elasticity of permanent magnet, and fills out in shell
Filled with multiple.Magnetic field generating unit generates scheduled magnetic field in shell.
In the damper, when bar is moved back and forth or is pivoted in axial direction, it is intracorporal with forever to be filled in shell
Flexible deformation can occur for the characteristic of magnet and multiple particles of elasticity.By the mutual frictional force of the particle generated at this time and
The elastic recoil power of grain, so that the damper be made to generate damping force.Further, since particle has elasticity, therefore by adjacent
Flexible deformation occurs each other for particle, and make particle be not easy each other it is hot sticky together.
In addition, the spy of permanent magnet possessed by magnetic field and each particle by being generated in shell as magnetic field generating unit
Property, multiple mutual binding force enhancings of particle.Thus become much larger the mutual frictional force of multiple particles, therefore the resistance of damper
Buddhist nun's power also becomes much larger therewith.
Therefore, damper of the invention can generate damping force well, and can easily carry out to the damping force
It adjusts.
The magnetic field generating unit of damper of the invention can be such that the intensity in the magnetic field generated in shell changes freely.At this
In the case of, in the damper, when the intensity to magnetic field generating unit magnetic field generated changes, the mutual combination of particle
Power can change, so as to which the size of damping force to be easily changed to required size.
Damper of the invention can have piston, and the piston is configured in shell, and with it is reciprocal in axial direction
The bar connection moved freely, and moved back and forth in shell together with bar.In this case, piston, which is pushed open, is filled in shell
Interior particle and moved.Therefore, compared with not having the case where piston, which can generate bigger damping force.
Damper of the invention can have rotor, and the rotor is configured in shell, and be pivoted freely
Bar connection, and rotated in shell together with bar.In this case, when bar and rotor are rotated around axis, it is filled in shell
Flexible deformation can occur for intracorporal particle.It, should by the mutual frictional force of the particle generated at this time and the elastic recoil power of particle
Damper can generate damping force on the contrary direction rotated with bar and rotor.
Piston can have the characteristic of permanent magnet.In this case, in the damper, the work of the characteristic with permanent magnet
Frictional force between plug and the particle abutted with the surface of piston can become much larger, therefore can make the damping force of damper more
Greatly.
Rotor can have the characteristic of permanent magnet.In this case, in the damper, the characteristic with permanent magnet turns
Frictional force between son and the particle abutted with the surface of rotor becomes much larger, therefore the damping force of damper can be made bigger.
Detailed description of the invention
Fig. 1 is the cross-sectional view for indicating the damper of embodiment 1.
Fig. 2 is by the schematic diagram for the granule filled in the shell of the damper of embodiment 1.
Fig. 3 is to indicate the size of the electric current to circulate in the magnetic field generating unit for making the damper of embodiment 1 every time with pre-
Fixed size and in the case where changing, the curve graph of the size of the magnetic flux density near the central axis of cylinder, (A) indicates cylinder
The size of magnetic flux density on central axis direction, (B) are indicated and the magnetic on the direction (radiation direction) of the orthogonality of center shaft of cylinder
The size of flux density.
Fig. 4 is to indicate the size of the electric current to circulate in the magnetic field generating unit for making the damper of embodiment 1 every time with pre-
Fixed size and in the case where changing, the speed that moves back and forth bar on the central axis direction of cylinder (after, referred to as frequency)
Bar curve relative to the relationship displacement and damping force of cylinder between of size when being changed every time with scheduled size
Figure, (A) indicate the case where size of the electric current to circulate in the generating unit of magnetic field is 0A, and (B) indicates the electricity to circulate in the generating unit of magnetic field
The case where size of stream is 2A, (C) indicate the case where size of the electric current to circulate in the generating unit of magnetic field is 4A, and (D) indicates magnetic field
The case where size of the electric current to circulate in generating unit is 6A.
Fig. 5 be indicate the size of the electric current to circulate in the magnetic field generating unit of the damper of embodiment 1 be 0,3,6A
In the case of, damping energy dissipation corresponding to each situation when being changed the size of frequency with 1Hz every time between 1~5Hz
The curve graph of size.
Fig. 6 is to indicate in the case where frequency is 1Hz, makes to circulate in the magnetic field generating unit of the damper of embodiment 1
The bar when size of electric current is changed every time with scheduled size is relative to the relationship between the displacement and damping force of cylinder
Curve graph, (A) indicate the case where size of the electric current to circulate in the generating unit of magnetic field is 0,1,2,3A, and (B) indicates magnetic field generating unit
The case where size of the electric current of middle circulation is 3,4,5,6A, (C) indicate the size of electric current to circulate in the generating unit of magnetic field be 0,3,
The case where 6A.
Fig. 7 indicates to make the electricity to circulate in the magnetic field generating unit of the damper of embodiment 1 in the case where frequency is 3Hz
Song of the bar relative to the relationship between the displacement and damping force of cylinder when the size of stream is changed every time with scheduled size
Line chart, (A) indicate the case where size of the electric current to circulate in the generating unit of magnetic field is 0,1,2,3A, and (B) is indicated in the generating unit of magnetic field
The case where size of the electric current of circulation is 3,4,5,6A, (C) indicate that the size of the electric current to circulate in the generating unit of magnetic field is 0,3,6A
The case where.
Fig. 8 is to indicate in the case where frequency is 5Hz, makes to circulate in the magnetic field generating unit of the damper of embodiment 1
The bar when size of electric current is changed every time with scheduled size is relative to the relationship between the displacement and damping force of cylinder
Curve graph, (A) indicate the case where size of the electric current to circulate in the generating unit of magnetic field is 0,1,2,3A, and (B) indicates magnetic field generating unit
The case where size of the electric current of middle circulation is 3,4,5,6A, (C) indicate the size of electric current to circulate in the generating unit of magnetic field be 0,3,
The case where 6A.
Fig. 9 be indicate the frequency of the damper of embodiment 1 be 1,3,5Hz in the case where, make to flow in the generating unit of magnetic field
The curve graph of the size of damping energy dissipation when the size of logical electric current is changed every time with 1A between 0~6A.
Figure 10 is the cross-sectional view for indicating the damper of embodiment 2, and (A) is the cross-sectional view of the central axis direction of rotor, (B)
For the A-A cross-sectional view in Figure 10 (A).
Figure 11 is the cross-sectional view for indicating the damper of embodiment 3,4, and (A) indicates the feelings that magnet is provided in piston
Condition, (B) indicate the case where magnet is provided in rotor.
Figure 12 is the cross-sectional view for indicating the damper of other embodiments, and (A) indicates that magnetic field generating unit is arranged on work
Situation in plug, (B) indicate that multiple magnetic field generating units annular in shape are arranged on the situation in rotor.
Specific embodiment
The Embodiments 1 to 4 for embodying damper of the invention are illustrated referring to attached drawing.
1 > of < embodiment
Draw as shown in Figure 1, the damper 1 of embodiment 1 has the cylinder 10 as shell, piston 30, bar 50, a pair of of bar
Lead portion 70, multiple elastomer particles 90 and magnetic field generating unit 20 as particle.
Cylinder 10 is the tubular of both ends open.Piston 30 has central portion 30A and both ends 30B.Central portion 30A is circle
Column.Both ends 30B be outer diameter with the direction for the both ends of the surface for tending away from central portion 30A gradually smaller truncated cone
Shape.Scheduled gap is formed between the outer peripheral surface of piston 30 and the inner peripheral surface of cylinder 10.Piston 30 is configured in cylinder 10
It is interior.
Bar 50 is formed as cylindric.Bar 50 and the top of the both ends 30B of piston 30 are continuous, and along two sides of piston 30
To extension.Bar 50 extends on the central axis direction of cylinder 10, and from the respective open end 10A at the both ends of cylinder 10 to cylinder
The external of body 10 protrudes.That is, piston 30 and bar 50 link.Bar guide portion 70 is formed as having flange part 70B in periphery
It is discoid, and by by the respective open end 10A at the both ends of cylinder 10 it is closed in a manner of and with each open end 10A
Connection.Above-mentioned bar guide portion 70 is provided with through hole 70A in a manner of perforative on plate thickness direction at discoid center.
The internal diameter of through hole 70A is more slightly larger than the outer diameter of bar 50.Through hole 70A is fixed in each of the both ends of cylinder 10 in bar guide portion 70
From open end 10A in the state of, run through on the central axis direction of cylinder 10.Bar 50 is in a manner of back and forth moving freely
And it is inserted through in the through hole 70A of above-mentioned bar guide portion 70.Bar 50 and piston 30 are together in cylinder 10 along cylinder 10
Mandrel direction moves back and forth freely.In addition, cylinder 10, piston 30, bar 50 and a pair of of bar guide portion 70 are nonmagnetic material.
As shown in Fig. 2, multiple elastomer particles 90 are formed as spherical form.These elastomer particles 90 are that A type shore is hard
The elastomer for the silicon rubber that degree meter measurement hardness (hereinafter referred to as hardness) is 60.In addition, containing in these elastomer particles 90
Neodymium (Nd) particle 90A.The amount of neodymium (Nd) the particle 90A contained in these elastomer particles 90 is about 60wt.%
(17.78vol.%).Neodymium (Nd) particle 90A has magnetism.That is, elastomer particles 90 have magnetic and elasticity.With
These elastomer particles 90 that this mode is formed are magnetized have magnetic force.That is, these elastomer particles 90 have forever
The characteristic of magnet.These elastomer particles 90 are filled in 60% filling rate to be wrapped by cylinder 10 and a pair of of bar guide portion 70
In the space surrounded (that is, in cylinder 10).
Here, filling rate is indicated by mathematical expression below (1).In addition, packing volume refers to filled with elastomer
The volume in the space of grain 90.
Mathematical expression (1)
Magnetic field generating unit 20 is the component being formed as follows, that is, the metal wire for being covered on surface by insulating film is coaxial
Ground winds multi-turn, has scheduled width radially, and be bundled into the internal diameter cylindrical shape more slightly larger than the outer diameter of cylinder 10.This
Outside, the metal wire of magnetic field generating unit 20 is brought out the structure (not shown) that cocurrent is alived as both ends respectively.So that magnetic field
Cylinder 10 is inserted into magnetic field generating unit 20 by the cylindric inside of generating unit 20 along the mode of the outer peripheral surface of cylinder 10, from
And it is configured in magnetic field generating unit 20 on the outer peripheral surface of cylinder 10.
In the damper 1 being formed in this way, when piston 30 moves back and forth on the central axis direction of cylinder 10
When, scheduled gap of the elastomer particles 90 across the outer peripheral surface of piston 30 and the inner peripheral surface of cylinder 10 and moved.
At this point, between the inner peripheral surface and the elastomer particles 90 that are abutted with the inner peripheral surface of cylinder 10 of cylinder 10, adjacent elastomer
Between grain 90 and the outer peripheral surface of bar 50 and piston 30 and the elastomer particles abutted with the outer peripheral surface of bar 50 and piston 30
Frictional force can be generated between 90.In addition, being located at the elastomer particles 90 of the mobile side of piston 30 by 30 be collapsed of piston.At this point,
By the elastic recoil power caused by the elastomer particles 90 of 30 be collapsed of piston, and by piston 30 toward pushing back.That is, resistance
Buddhist nun's device 1 generates damping force based on the frictional force and elastic recoil power generated in this way.
In addition, when circulation has the electric current of scheduled size from the metal wire that the magnetic field generating unit 20 of damper 1 is drawn,
Magnetic field can be generated around magnetic field generating unit 20.At this point, by by the magnetic field generated of magnetic field generating unit 20, and in cylinder 10
It is interior to generate scheduled magnetic field in such a way that the magnetic line of force extends on the central axis direction of cylinder 10.It is filled in cylinder 10 as a result,
The mutual binding force of interior elastomer particles 90 further enhances.Thus the frictional force between elastomer particles 90 is made to become larger, because
The damping force of this damper 1 becomes larger therewith.In addition, by the electric current to circulate from the metal wire that magnetic field generating unit 20 is drawn
Size changes, to make the intensity change in the magnetic field generated in cylinder 10 freely.As a result, in damper 1, when right
When the intensity in the magnetic field generated of magnetic field generating unit 20 changes, the mutual binding force of elastomer particles 90 changes, from
And the size of damping force can be easily changed to required size.
Next, the size for showing the electric current to circulate in the magnetic field generating unit 20 for making damper 1 in Fig. 3 (A), (B) is every
It is secondary be changed with scheduled size in the case where, the size of the magnetic flux density near the central axis of cylinder 10 is measured
Result.Specifically, keeping the size of the electric current to circulate in the magnetic field generating unit 20 of damper 1 every between 1~6A (ampere)
It is secondary to be changed with 1A, and magnetic flux density is measured.Fig. 3 (A) shows the magnetic flux density on the central axis direction of cylinder 10
Size, Fig. 3 (B) shows the size with the magnetic flux density in the direction of the orthogonality of center shaft of cylinder 10 (radiation direction).
As shown in Fig. 3 (A), the size of the electric current to circulate in magnetic field generating unit 20 is the feelings of any one in 1~6A
Under condition, the magnetic flux density on the central axis direction of cylinder 10 is respective nearby to be minimum in a pair of of bar guide portion 70, and with
Be intended to cylinder 10 central axis direction center and become larger.In addition, the size of the electric current to circulate in magnetic field generating unit 20 is got over
Greatly, the size of magnetic flux density becomes bigger.
In addition, the size of the electric current to circulate in magnetic field generating unit 20 is any one in 1~6A as shown in Fig. 3 (B)
In the case of, with being intended near another bar guide portion 70 near a bar guide portion 70, the center with cylinder 10
Magnetic flux density on the orthogonal direction of axis (radiation direction) is become larger respectively with scheduled degree.Specifically, being located at from one
The side that the magnetic line of force in section until the center for the central axis direction for playing cylinder 10 near a bar guide portion 70 is extended
It include from the component in the direction that the central axis of cylinder 10 leaves (radiation direction) in.In addition, drawing being located at from another bar
Lead the direction Zhong Bao that the magnetic line of force in the section until playing the center of the central axis direction of cylinder 10 near portion 70 is extended
Include the component on the close direction of the central axis of cylinder 10 (radiation direction).In addition, the electricity to circulate in magnetic field generating unit 20
In the case that the size of stream is any one in 1~6A, the magnetic flux density in the center on the central axis direction of cylinder 10 is big
It causes to be 0.That is, in direction and cylinder 10 that the magnetic line of force in the center being located on the central axis direction of cylinder 10 is extended
Mandrel direction is substantially parallel.In addition, the size of the electric current to circulate in magnetic field generating unit 20 is bigger, the degree that magnetic flux density becomes larger becomes
It obtains bigger.
Next, showing the size of the electric current to circulate in the magnetic field generating unit 20 for making damper 1 in Fig. 4 (A)~(D)
In the case where being changed every time with scheduled size, the speed that moves back and forth bar 50 on the central axis direction of cylinder 10 (with
Afterwards, referred to as frequency) bar 50 displacement and damping relative to cylinder 10 of size when being changed every time with scheduled size
Relationship between power.Specifically, when the electric current of the size of circulated in the magnetic field generating unit 20 of damper 10,2,4,6A
In each situation, so that the size of frequency is changed every time with 1Hz between 1~5Hz (hertz), and damping force is surveyed
Amount.In addition, being equivalent to vibration possessed by bar 50 and piston 30 of the damper 1 from reciprocating movement by the area that each curve surrounds
The size of the energy absorbed in energy.That is, by curve surround area it is bigger, the energy that damper 1 is absorbed it is big
Small bigger (that is, generated damping force is bigger).In addition, the area surrounded by curve is smaller, the energy that damper 1 is absorbed
The size of (after, referred to as damping energy dissipation) is with regard to smaller (that is, generated damping force is smaller).It is bent as shown in Fig. 4 (A)~(D)
The area that line surrounds becomes larger as frequency becomes larger.That is, frequency becomes bigger, and damping energy dissipation just becomes in damper 1
It obtains bigger (that is, generated damping force becomes bigger).
Next, in the case that the size that the electric current to circulate in magnetic field generating unit 20 is shown in FIG. 5 is scheduled size,
Relationship between the size of frequency and the size of damping energy dissipation.Specifically, circulating in the magnetic field generating unit 20 of damper 1
0, in each situation of the electric current of the size of 3,6A, to when being changed the size of frequency with 1Hz every time between 1~5Hz
Damping energy dissipation measures.As shown in figure 5, the size of the electric current to circulate in magnetic field generating unit 20 is 0,3, it is any one in 6A
In the case where a, damping energy dissipation becomes larger as frequency becomes larger.That is, will also realize that from Fig. 5, in damper 1, frequency
Bigger, generated damping force just becomes bigger.
Next, being shown in Fig. 6 (A)~(C) in the case where frequency is 1Hz, make the magnetic field generating unit 20 of damper 1
Displacement and damping force of the bar 50 relative to cylinder 10 when the size of the electric current of middle circulation is changed every time with scheduled size
Between relationship.Specifically, Fig. 6 (A) shows the case where size of the electric current to circulate in the generating unit of magnetic field is 0,1,2,3A, figure
6 (B) show the case where size of the electric current to circulate in the generating unit of magnetic field is 3,4,5,6A, and Fig. 6 (C), which is shown in the generating unit of magnetic field, to flow
The case where size of logical electric current is 0,3,6A.
As shown in Fig. 6 (A)~(C), the size with the electric current to circulate in magnetic field generating unit 20 becomes larger, and is surrounded by curve
Area becomes larger.That is, the size of the electric current to circulate in magnetic field generating unit 20 becomes bigger (that is, in cylinder in damper 1
The magnetic field generated in body 10 becomes stronger), damping energy dissipation just becomes bigger.
Next, being shown in Fig. 7 (A)~(C) in the case where frequency is 3Hz, make the magnetic field generating unit 20 of damper 1
Displacement and damping force of the bar 50 relative to cylinder 10 when the size of the electric current of middle circulation is changed every time with scheduled size
Between relationship.Specifically, Fig. 7 (A) shows the case where size of the electric current to circulate in the generating unit of magnetic field is 0,1,2,3A, figure
7 (B) show the case where size of the electric current to circulate in the generating unit of magnetic field is 3,4,5,6A, and Fig. 7 (C), which is shown in the generating unit of magnetic field, to flow
The case where size of logical electric current is 0,3,6A.It will also realize that from Fig. 7 (A)~(C), with the electric current to circulate in magnetic field generating unit 20
Size become larger, by curve surround area become larger.That is, will also realize that from Fig. 7 (A)~(C), in damper 1, magnetic field
The size of the electric current to circulate in generating unit 20 becomes bigger (that is, the magnetic field generated in cylinder 10 becomes stronger), damping energy dissipation
Just become bigger.
Next, being shown in Fig. 8 (A)~(C) in the case where frequency is 5Hz, make the magnetic field generating unit 20 of damper 1
Displacement and damping force of the bar 50 relative to cylinder 10 when the size of the electric current of middle circulation is changed every time with scheduled size
Between relationship.Specifically, Fig. 8 (A) shows the case where size of the electric current to circulate in the generating unit of magnetic field is 0,1,2,3A, figure
8 (B) show the case where size of the electric current to circulate in the generating unit of magnetic field is 3,4,5,6A, and Fig. 8 (C), which is shown in the generating unit of magnetic field, to flow
The case where size of logical electric current is 0,3,6A.It will also realize that from Fig. 8 (A)~(C), with the electric current to circulate in magnetic field generating unit 20
Size become larger, by curve surround area become larger.That is, will also realize that from Fig. 8 (A)~(C), in damper 1, magnetic field
The size of the electric current to circulate in generating unit 20 becomes bigger (that is, the magnetic field generated in cylinder 10 becomes stronger), damping energy dissipation
Just become bigger.
It circulates in magnetic field generating unit 20 next, being shown in FIG. 9 in the case where the size of frequency is scheduled size
The size of electric current and the size of damping energy dissipation between relationship.Specifically, when the frequency of damper 1 is 1,3,5Hz
In each situation, to resistance when being changed the size of the electric current to circulate in magnetic field generating unit 20 with 1A every time between 0~6A
Buddhist nun's energy consumption measures.As shown in figure 9, frequency be 1,3, any one in 5Hz in the case where, damping energy dissipation is with magnetic
The size of the electric current to circulate in the generating unit 20 of field becomes larger and becomes larger.
In this way, in damper 1, when bar 50 and piston 30 move back and forth on the central axis direction of cylinder 10, filling
Flexible deformation can occur for multiple elastomer particles 90 of the characteristic and elasticity with permanent magnet in cylinder 10.By at this time
The mutual frictional force of elastomer particles 90 of generation and the elastic recoil power of elastomer particles 90, so that damper 1 be made to generate resistance
Buddhist nun's power.Further, since elastomer particles 90 have elasticity, therefore flexible deformation occurs each other by adjacent elastomer particles 90
And make elastomer particles 90 be not easy each other it is hot sticky together.
In addition, possessed by magnetic field and each elastomer particles 90 by being generated in cylinder 10 as magnetic field generating unit 20
The characteristic of permanent magnet, and enhance the mutual binding force of multiple elastomer particles 90.Multiple elastomer particles 90 are mutual as a result,
Frictional force becomes much larger, therefore the damping force of damper 1 also becomes much larger therewith.
Therefore, damper 1 of the invention can generate damping force well, and can easily carry out to the damping force
It adjusts.
In addition, the elastomer particles 90 of damper 1 have the characteristic of permanent magnet.Therefore, in damper 1, except through
Except the binding force generated by magnetic field that magnetic field generating unit 20 generates in cylinder 10, also had by each elastomer particles 90
The characteristic of some permanent magnets and make the mutual binding force of multiple elastomer particles 90 enhance, so as to generate bigger damping
Power.
In addition, the magnetic field generating unit 20 of damper 1 changes the intensity in the magnetic field generated in cylinder 10 freely.Therefore,
In damper 1, when the intensity to the magnetic field generated of magnetic field generating unit 20 changes, the mutual knot of elastomer particles 90
Resultant force changes, so as to which the size of damping force to be easily changed to required size.
In addition, damper 1 has piston 30, which is configured in cylinder 10, and at the center of cylinder 10
The bar 50 moved back and forth in axis direction freely links, and moves back and forth in cylinder 10 together with bar 50.Therefore, piston 30
It pushes the elastomer particles 90 being filled in cylinder 10 open and is moved.Therefore, compared with not having the case where piston 30, resistance
Buddhist nun's device 1 can generate bigger damping force.
2 > of < embodiment
As shown in Figure 10 (A), (B), the damper 11 of embodiment 2 is different from embodiment 1 at following aspect, that is, makees
For the shape of cylinder 110 of shell, the shape of bar guide portion 170, bar 150 and rotor 40 around axis i.e. around the central axis of cylinder 110
Rotate the configuration etc. of this point, the shape and magnetic field generating unit 120 of magnetic field generating unit 120 relative to cylinder 110.Others knot
Structure is identical as embodiment 1, marks identical symbol to identical structure, and omit detailed description.
As shown in Figure 10 (A), (B), cylinder 110 is the tubular of both ends open.
As bar guide portion 170 the first bar guide portion 171 be it is discoid, and so that another party face and cylinder 110
A side end face abut and the one side closed mode of cylinder 110 is linked with cylinder 110.In the first bar guide portion 171
The first through hole 171A is provided in a manner of perforative on plate thickness direction at discoid center.In addition, drawing in the first bar
It leads in the first through hole 171A of the surface side of the another party in portion 171, is formed with from the inner peripheral surface of the first through hole 171A inwardly
The first blocking part 171B that portion direction is extended with tabular.The internal diameter of first blocking part 171B is outer than bar 150 described hereinafter
Diameter is slightly larger.It is embedded with sealing bearing 60 in the first through hole 171A, seals a face and the first blocking part 171B of bearing 60
A side face abut.
The second bar guide portion 172 as bar guide portion 170 is discoid, and so that a side face and cylinder 110
The end face of another party abuts and links the closed mode in the other side of cylinder 110 with cylinder 110.In the second bar guide portion 172
Discoid center at be provided with the second through hole 172A in a manner of perforative on plate thickness direction.In addition, being plate thickness
Internally side is formed with from the inner peripheral surface of the second through hole 172A on direction at the middle part of perforative second through hole 172A
To the second blocking part 172B extended with tabular.The internal diameter of second blocking part 172B is more slightly larger than the outer diameter of bar 150.In addition, with
Played from the face of a side of the second blocking part 172B until the face of a side of the second bar guide portion 172 section (after, referred to as
The side of two through hole 172A) the internal diameter of the second through hole 172A compare, from the face of another party of the second blocking part 172B
Of section (after, referred to as the other side of the second through hole 172A) until the face of another party of the second bar guide portion 172
The internal diameter of two through hole 172A is smaller.It is embedded with sealing bearing 60 in the other side of the second through hole 172A, sealing bearing 60
One face is abutted with the face of another party of the second blocking part 172B.
As bar guide portion 170 third bar guide portion 173 be and the first bar guide portion 171 and the second bar guide portion
172 is thicker discoid.In addition, the internal diameter substantially phase of the discoid outer diameter of third bar guide portion 173 and cylinder 110
Together.Abut the face of a discoid side for third bar guide portion 173 with the face of another party of the first bar guide portion 171, also,
Third bar guide portion 173 is embedded in the open end 110A of a side of cylinder 110 and links with the first bar guide portion 171.
Third through hole is provided in a manner of perforative on plate thickness direction at the discoid center of third bar guide portion 173
173A.In addition, being formed with from third and running through in the third through hole 173A of the surface side of another party of third bar guide portion 173
The inner peripheral surface of hole 173A plays the third blocking part 173B that internally direction is extended with tabular.The internal diameter ratio of third blocking part 173B
The outer diameter of the first end 40B of rotor 40 described hereinafter is slightly larger.
As bar guide portion 170 the 4th bar guide portion 174 be and the first bar guide portion 171 and the second bar guide portion
172 is thicker, and relatively thin discoid compared with third bar guide portion 173.In addition, the 4th bar guide portion 174 is discoid
Outer diameter it is roughly the same with the internal diameter of cylinder 110.Draw the face of discoid another party of the 4th bar guide portion 174 with the second bar
The face for leading a side in portion 172 abuts, also, the 4th bar guide portion 174 is embedded in the open end of another party of cylinder 110
Link in 110A with the second bar guide portion 172.At the discoid center of the 4th bar guide portion 174 on plate thickness direction
Perforative mode and be provided with the 4th through hole 174A.In addition, the in the surface side of a side of the 4th bar guide portion 174 the 4th runs through
In the 174A of hole, it is formed with the 4th blocking part that internally direction is extended with tabular from the inner peripheral surface of the 4th through hole 174A
174B.The internal diameter of 4th blocking part 174B is more slightly larger than the outer diameter of the second end 40C of rotor 40.
Rotor 40 has central portion 40A, first end 40B and the second end 40C.Central portion 40A is configured in third
Between the face of one side of the face of another party of bar guide portion 173 and the 4th bar guide portion 174, and central portion 40A's and cylinder
The cross sectional shape of 110 orthogonality of center shaft is square (0 (B) referring to Fig.1).In addition, in four faces for forming square
Rib (after, referred to as rib) is formed between two neighboring face.
In addition, in central portion 40A on each end at the both ends on the central axis direction of cylinder 110, it is formed with and cylinder
First plane 40D of 110 orthogonality of center shaft.
First end 40B and the second end 40C difference is cylindrical, and from two the first planes of central portion 40A
40D rises in respective center to be extended round about each other.In addition, in the separate of above-mentioned first end 40B and the second end 40C
The side of central portion 40A is formed with the second plane 40E with the orthogonality of center shaft of cylinder 110.
Bar 150 is stretched out from the center of the second plane 40E of first end 40B and the second end 40C respectively.Namely
It says, rotor 40 and bar 150 link.Bar 150 and first end 40B and the second end 40C phase are coaxial each other.Rotor 40 is configured
In cylinder 110.
Bar 150 via the sealing bearing 60 being respectively embedded in the first bar guide portion 171 and the second bar guide portion 172 and
Rotatably freely link with the first bar guide portion 171 and the second bar guide portion 172.In addition, first end 40B and second end
Portion 40C be rotatably freely inserted through respectively the third through hole 173A of third bar guide portion 173 third blocking part 173B and
In the 4th blocking part 174B of 4th through hole 174A of the 4th bar guide portion 174.
In addition, being configured with thrust bearing 80 in the inside of the third through hole 173A of third bar guide portion 173, and pass through
It is inserted through the face of the second plane 40E of the first end 40B in the 173B of third blocking part and another party of the first bar guide portion 171
And thrust bearing 80 is clamped.In addition, being also configured with thrust axis on the inside of the 4th through hole 174A of the 4th bar guide portion 174
Hold 80, and the second plane 40E and the second bar guide portion of the second end 40C by being inserted through in the 4th blocking part 174B
The face of 172 side and thrust bearing 80 is clamped.Bar 150 and rotor 40 are revolved around the central axis of cylinder 110 together as a result,
Turn freely.
Magnetic field generating unit 120 is the component being formed as follows, that is, the metal wire for being covered on surface by insulating film is coaxial
Ground winds multi-turn, has scheduled width radially, and be bundled into annular shape.In damper 11, four magnetic fields are generated
Portion 120 by make the one end of respective annular shape along the outer peripheral surface of cylinder 110 in a manner of and be configured in the periphery of cylinder 110
On face.
In the damper 11 being formed in this way, when bar 150 and rotor 40 are carried out around the central axis of cylinder 110
When rotation, the elastomer particles 90 being filled in cylinder 110 are flowed.At this point, in the inner peripheral surface and and cylinder of cylinder 110
Between the elastomer particles 90 that 110 inner peripheral surface abuts, between the adjacent elastomer particles 90 and center of rotor 40
Frictional force can be generated between the surface of portion 40A and the elastomer particles 90 abutted with the surface of the central portion 40A of rotor 40.This
Outside, the central portion 40A be collapsed for the rotor 40 that elastomer particles 90 are rotated.At this point, by by the central portion 40A be collapsed of rotor 40
Elastomer particles 90 caused by elastic recoil power, and by the central portion of rotor 40 40 toward pushing back.That is, damper 11
Based on the frictional force and elastic recoil power that generate in this way on the contrary direction rotated with rotor 40
Generate damping force.
In addition, ought have scheduled size circulating from the metal wire that four magnetic field generating units 120 of damper 11 are drawn
Electric current when, magnetic field can be generated around magnetic field generating unit 120.At this point, by by the magnetic field generated of magnetic field generating unit 120
And magnetic field is generated in cylinder 110.The mutual binding force for being filled in the elastomer particles 90 in cylinder 110 as a result, is further
Enhancing.Thus the frictional force between elastomer particles 90 is made to become larger, therefore the damping force of damper 11 becomes larger therewith.
In this way, in damper 11, when bar 150 and rotor 40 are rotated around the central axis of cylinder 110, it is filled in
Flexible deformation can occur for multiple elastomer particles 90 of the characteristic and elasticity with permanent magnet in cylinder 110.By at this time
The elastic recoil power of the mutual frictional force of generated elastomer particles 90 and elastomer particles 90, so that damper 11 be made to generate
Damping force.Further, since elastomer particles 90 have elasticity, therefore bullet occurs each other by adjacent elastomer particles 90
Property deformation and make elastomer particles 90 be not easy each other it is hot sticky together.
In addition, the magnetic field and each elastomer particles 90 by being generated in cylinder 110 by magnetic field generating unit 120 are had
Permanent magnet characteristic, and make the mutual binding force of multiple elastomer particles 90 enhance.Thus make multiple elastomer particles 90 that
This frictional force becomes much larger, therefore the damping force of damper 11 also becomes much larger therewith.
Therefore, damper 11 of the invention can also generate damping force well, and can be easily to the damping force
It is adjusted.
In addition, damper 11 has rotor 40, which is configured in cylinder 110, and with around the center of cylinder 110
The bar 150 that axis rotates freely links, and is rotated in cylinder 110 together with bar 150.Therefore, when bar 150 and rotor 40
When being rotated around the central axis of cylinder 110, flexible deformation occurs for the elastomer particles 90 being filled in cylinder 110.Pass through this
When the elastic recoil power of the mutual frictional force of elastomer particles 90 and elastomer particles 90 that generates, the damper 11 can with
Damping force is generated on the contrary direction that bar 150 and rotor 40 are rotated.
3 > of < embodiment
As shown in Figure 11 (A), the damper 21 of embodiment 3 is with embodiment 1,2 the difference lies in that in piston 230
In be provided with magnet 45 as permanent magnet.Other structures are identical as embodiment 1, mark identical symbol to identical structure
Number, and omit detailed description.
In the damper 21 of embodiment 3, magnet 45 is provided in piston 230.Magnet 45 has the spy of permanent magnet
Property, for example, be formed it is cylindrical, and in a manner of the central axis of central axis and bar 50 and piston 230 and by
Configuration is in piston 230.In addition, magnet 45 is for example in such a way that columned one end becomes the pole N, another side becomes the pole S
And it is magnetized.That is, piston 230 has the characteristic of permanent magnet.
In this way and in the damper 21 that is formed, when piston 230 is reciprocal on the central axis direction of cylinder 10
When mobile, scheduled gap of the elastomer particles 90 across the outer peripheral surface of piston 230 and the inner peripheral surface of cylinder 10 and carry out
It is mobile.At this point, between the inner peripheral surface and the elastomer particles 90 that are abutted with the inner peripheral surface of cylinder 10 of cylinder 10, adjacent elasticity
Body particle 90 is each other and the outer peripheral surface of bar 50 and piston 230 and the elasticity abutted with the outer peripheral surface of bar 50 and piston 230
Frictional force can be generated between body particle 90.In addition, the elastomer particles 90 for being located at the mobile side of piston 230 are pressed by piston 230
It collapses.At this point, by piston 230 toward pushing back and the elastic recoil power caused by the elastomer particles 90 of 230 be collapsed of piston.?
That is damper 21 generates damping force based on the frictional force and elastic recoil power generated in this way.
In addition, elastomer particles 90 are attracted by piston 230 by configuring the magnet 45 in piston 230.It is hindering as a result,
In Buddhist nun's device 21, between the outer peripheral surface and the elastomer particles 90 that are abutted with the outer peripheral surface of piston 230 of piston 230 caused by rub
Power is wiped to become much larger.Therefore, damper 21 can generate bigger damping force.
In this way, in damper 21, when bar 50 and piston 230 move back and forth on the central axis direction of cylinder 10,
Flexible deformation can occur for the multiple elastomer particles 90 for the characteristic and elasticity with permanent magnet being filled in cylinder 10.Pass through
The elastic recoil power of the mutual frictional force of elastomer particles 90 and elastomer particles 90 that generate at this time, so that damper 21 be made to produce
Raw damping force.
In addition, possessed by magnetic field and each elastomer particles 90 by being generated in cylinder 10 as magnetic field generating unit 20
The characteristic of permanent magnet, so that the mutual binding force of multiple elastomer particles 90 be made to enhance.Thus make multiple elastomer particles 90 that
This frictional force becomes much larger, therefore the damping force of damper 21 also becomes much larger therewith.
Therefore, damper 21 of the invention can also generate damping force well, and can easily to damping force into
Row is adjusted.
In addition, the piston 230 of damper 21 has the characteristic of permanent magnet.Therefore, in damper 21, with permanent magnet
Frictional force between the piston 230 of characteristic and the elastomer particles 90 abutted with the surface of piston 230 becomes much larger, therefore can
Keep the damping force of damper 21 bigger.
4 > of < embodiment
As shown in Figure 11 (B), the damper 31 of embodiment 4 is with Embodiments 1 to 3 the difference lies in that in rotor 240
In be provided with magnet 145 as permanent magnet.Other structures are identical as embodiment 2, mark to identical structure identical
Symbol, and omit detailed description.
In the damper 31 of embodiment 4, magnet 145 is provided in rotor 240.Magnet 145 has permanent magnet
Characteristic and is matched for example, being formed cylindrical in such a way that central axis is with the central axis of bar 150 and rotor 240
It sets in rotor 240.In addition, magnet 145 for example by columned one end become the pole N, another side become the pole S in a manner of and
It is magnetized.That is, rotor 240 has the characteristic of permanent magnet.
In the damper 31 being formed in this way, when bar 150 and rotor 240 are around the central axis of cylinder 110
When being rotated, the elastomer particles 90 being filled in cylinder 110 are flowed.At this point, cylinder 110 inner peripheral surface and with cylinder
Between the elastomer particles 90 that the inner peripheral surface of body 110 abuts, between adjacent elastomer particles 90 and in rotor 240
Friction can be generated between the surface of centre portion 240A and the elastomer particles 90 abutted with the surface of the central portion 240A of rotor 240
Power.In addition, the central portion 240A be collapsed for the rotor 240 that elastomer particles 90 are rotated.At this point, by by the center of rotor 240
Elastic recoil power caused by the elastomer particles 90 of portion's 240A be collapsed and by the central portion 240A of rotor 240 toward pushing back.Also
It is to say, damper 31 is based on the frictional force and elastic recoil power generated in this way and in the side rotated with rotor 240
It is upper in the opposite direction to generate damping force.
In addition, elastomer particles 90 are by the central portion 240A of rotor 240 by the magnet 145 being configured in rotor 240
Attract.As a result, in damper 31, in the surface of the central portion 240A of rotor 240 and table with the central portion 240A of rotor 240
Generated frictional force becomes much larger between the elastomer particles 90 that face abuts.Therefore, damper 31 can generate bigger resistance
Buddhist nun's power.
In this way, in damper 31, when bar 150 and rotor 240 are rotated around the central axis of cylinder 110, filling
Flexible deformation occurs for multiple elastomer particles 90 of the characteristic and elasticity with permanent magnet in cylinder 110.By at this time
The mutual frictional force of elastomer particles 90 of generation and the elastic recoil power of elastomer particles 90, so that damper 31 be made to generate resistance
Buddhist nun's power.Further, since elastomer particles 90 have elasticity, therefore elasticity occurs each other by adjacent elastomer particles 90
Deform and make elastomer particles 90 be not easy each other it is hot sticky together.
In addition, the magnetic field and each elastomer particles 90 by being generated in cylinder 110 by magnetic field generating unit 120 are had
Permanent magnet characteristic, thus make the mutual binding force of multiple elastomer particles 90 enhance.Thus make multiple elastomer particles 90
Mutual frictional force becomes much larger, therefore the damping force of damper 31 also becomes much larger therewith.
Therefore, damper 31 of the invention can also generate damping force well, and can be easily to the damping force
It is adjusted.
In addition, the rotor 240 of damper 31 has the characteristic of permanent magnet.Therefore, in damper 31, with permanent magnet
Frictional force between the rotor 240 of characteristic and the elastomer particles 90 abutted with the surface of rotor 240 becomes much larger, therefore can
Keep the damping force of damper 31 bigger.
The present invention is not limited to pass through Embodiments 1 to 4 illustrated by above-mentioned narration and attached drawing, such as reality below
The mode of applying is also included in the technical scope of the present invention.
(1) although in embodiment 1 to 4, magnetic field generating unit is arranged on the outer peripheral surface of cylinder, such as can also
Magnetic field generating unit to be formed in bar and piston.Specifically, can also the damper 41 as shown in Figure 12 (A),
Cylindrical magnetic field generating unit 220 is with central axis becomes coaxial mode with the central axis of bar 250 and piston 130 and is set
In piston 130.
In addition it is also possible to the damper 51 as shown in Figure 12 (B), multiple magnetic field generating units 320 annular in shape with
It is mounted the one end of respective annular shape along the mode in four faces of the central portion 140A of square rotor 140
In the inside in each face.In addition, the two of the metal wire that above-mentioned magnetic field generating unit 220,320 is drawn illustrated by Figure 12 (A), (B)
End becomes such as flowering structure (not shown), that is, electric current is via the inside of unilateral bar 250,350 and by slip ring etc. from damper
41,51 outside flows to magnetic field generating unit 220,320.
(2) although in embodiment 1 to 4, by the generating unit of magnetic field circulating current to damping to damper
The size of power is adjusted, still, for example, as by making magnetic force possessed by the elastomer particles in the generating unit of magnetic field
The quantity of line changes and magnetic field generating unit is made to generate induced electromotive force, therefore can also be via magnetic field generating unit and from elasticity
Electric energy is extracted in kinetic energy when body particle moves in cylinder.That is, can also be using magnetic field generating unit as generator
It uses.
It (3), can also be simultaneously although magnetic field generating unit is arranged on the outer peripheral surface of shell in embodiment 1 to 4
Be formed on the outer peripheral surface of shell and bar and piston (rotor) in.And it is possible to by any in above-mentioned magnetic field generating unit
Circulating current in one side and the size of damping force caused by damper is adjusted, and another party is made as generator
With.
Furthermore, it is possible to damping force caused by damper and circulating current equal in above-mentioned magnetic field generating unit both sides
Size be adjusted, above-mentioned magnetic field generating unit both sides can also be used as generator come using.
(4) although in embodiment 1,3, cylindric magnetic field generating unit has scheduled width radially,
The radial width of cylindric magnetic field generating unit can locally be increased or reduced.Thereby, it is possible to the central axises in cylinder
Just it is upwardly formed the different part of the intensity in a variety of magnetic fields.Make thereby, it is possible to the position on the central axis direction according to cylinder
The size of generated damping force changes.
(5) although in embodiment 1,3, a magnetic field generating unit is configured on the outer peripheral surface of cylinder, it can also be with
By the magnetic field generating unit of multiple cylindrical shapes by make the inside of respective cylindrical shape along the outer peripheral surface of cylinder in a manner of and in cylinder
Central axis direction on be arranged.
And it is possible to by make current flowing in all in these magnetic field generating units and to damping force caused by damper
Size be adjusted, can also be and making current flowing in any one in these magnetic field generating units to damper institute
The size of the damping force of generation is adjusted, and using other magnetic field generating units as generator come using.
(6) although in embodiment 1 to 4, elastomer particles are the elastomer of the silicon rubber of hardness 60, but as long as being
The material that flexible deformation can occur then is also possible to other materials, in addition it is also possible to which these Material claddings are used.In addition,
The hardness of elastomer particles can be about 40~90.
(7) although in embodiment 1 to 4, the mutual size for being filled in the intracorporal multiple elastomer particles of cylinder is the same,
But the elastomer particles of a variety of partial sizes can also be filled in cylinder.
(8) although in embodiment 1 to 4, the particle of neodymium (Nd) is contained in elastomer particles, but as long as being that there is magnetism
Material can also then contain other materials.In addition it is also possible to which compound contain these materials.
(9) although in embodiment 1 to 4, magnetic field generating unit has used and metal wire coaxially to be wound to multi-turn
The component of formation, however, it can be such as using the permanent magnet on the outer peripheral surface for making to be configured at cylinder actuator relative to
The separate freely or close structure of the outer peripheral surface of cylinder.
(10) although in embodiment 1,3, it is formed with gap between the outer peripheral surface of piston and the inner peripheral surface of cylinder,
Gap can not also be formed between the outer peripheral surface of piston and the inner peripheral surface of cylinder.That is, can be by piston by cylinder
Intracorporal space is divided into two.
(11) although in embodiment 1 to 4, bar is protruded from each open end of cylinder to the external of cylinder,
Can be in the following way, that is, bar is prominent from a side of piston (rotor), also, bar from the open end of a side of cylinder to
The external of cylinder protrudes.
(12) although in embodiment 1 to 4, magnetic field generating unit is with the cylindric inside of magnetic field generating unit along cylinder
Outer peripheral surface mode and be configured on the outer peripheral surface of cylinder, still, for example, it is also possible to by multiple magnetic field generating units so that each
From cylindric one end configured along the mode of the outer peripheral surface of cylinder.
(13) it although in embodiment 2,4, is formed between the two neighboring face in four faces for forming square
Rib, but these ribs are not limited to proper corner angle, and chamfering also can be implemented, or in a manner of keeping two faces continuous and
It is formed with curved surface.
(14) although in embodiment 1 to 4, being respectively arranged with piston and rotor but it is also possible to be being not provided with piston
And rotor and the structure only with bar.
Symbol description
10,110 ... cylinders (shell);20,120,220,320 ... magnetic field generating unit;30,130,230 ... piston;50,
150,250,350 ... bar;40,140,240 ... rotor;90 ... elastomer particles (particle).
Claims (6)
1. a kind of damper, which is characterized in that have:
Shell;
Bar, it is protruding to the outside from the shell, and move back and forth freely or be pivoted freely in axial direction;
Multiple particles are filled in the shell, and characteristic and elasticity with permanent magnet;With
Magnetic field generating unit generates magnetic field in the shell.
2. damper as described in claim 1, which is characterized in that
The magnetic field generating unit changes the intensity in the magnetic field generated in the shell freely.
3. damper as claimed in claim 1 or 2, which is characterized in that
Has piston, the piston is configured in the shell, and is connected with the bar freely is moved back and forth in axial direction
Knot, and moved back and forth in shell together with the bar.
4. damper as claimed in claim 1 or 2, which is characterized in that
Have rotor, the rotor is configured in the shell, and is linked with the bar freely is pivoted, and with institute
Bar is stated to rotate in shell together.
5. damper as claimed in claim 3, which is characterized in that
The piston has the characteristic of permanent magnet.
6. damper as claimed in claim 4, which is characterized in that
The rotor has the characteristic of permanent magnet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710574653.4A CN109253199A (en) | 2017-07-14 | 2017-07-14 | damper |
Applications Claiming Priority (1)
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CN201710574653.4A CN109253199A (en) | 2017-07-14 | 2017-07-14 | damper |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110159689A (en) * | 2019-04-10 | 2019-08-23 | 重庆大学 | A kind of granule damper of field controllable |
CN111042376A (en) * | 2019-12-30 | 2020-04-21 | 北京工业大学 | Magnetic field alternating type particle damping-lead damping-based multistage vibration reduction wall |
CN111042377A (en) * | 2019-12-30 | 2020-04-21 | 北京工业大学 | Particle damping-lead damping multistage vibration attenuation wall based on electromagnetic conversion function |
-
2017
- 2017-07-14 CN CN201710574653.4A patent/CN109253199A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110159689A (en) * | 2019-04-10 | 2019-08-23 | 重庆大学 | A kind of granule damper of field controllable |
CN110159689B (en) * | 2019-04-10 | 2021-04-27 | 重庆大学 | Magnetic field controllable particle damper |
CN111042376A (en) * | 2019-12-30 | 2020-04-21 | 北京工业大学 | Magnetic field alternating type particle damping-lead damping-based multistage vibration reduction wall |
CN111042377A (en) * | 2019-12-30 | 2020-04-21 | 北京工业大学 | Particle damping-lead damping multistage vibration attenuation wall based on electromagnetic conversion function |
CN111042377B (en) * | 2019-12-30 | 2021-05-28 | 北京工业大学 | Particle damping-lead damping multistage vibration attenuation wall based on electromagnetic conversion function |
CN111042376B (en) * | 2019-12-30 | 2021-05-28 | 北京工业大学 | Magnetic field alternating type particle damping-lead damping-based multistage vibration reduction wall |
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Application publication date: 20190122 |