CN108973518A - A kind of shock-absorbing wheel based on phonon crystal - Google Patents
A kind of shock-absorbing wheel based on phonon crystal Download PDFInfo
- Publication number
- CN108973518A CN108973518A CN201810838417.3A CN201810838417A CN108973518A CN 108973518 A CN108973518 A CN 108973518A CN 201810838417 A CN201810838417 A CN 201810838417A CN 108973518 A CN108973518 A CN 108973518A
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- China
- Prior art keywords
- phonon crystal
- spoke
- shock
- locally resonant
- elastomer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 36
- 239000011159 matrix material Substances 0.000 claims abstract description 14
- 239000004038 photonic crystal Substances 0.000 claims abstract description 9
- 230000000737 periodic effect Effects 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims description 22
- 239000000806 elastomer Substances 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 10
- 230000005764 inhibitory process Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 238000006467 substitution reaction Methods 0.000 description 6
- 239000007769 metal material Substances 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/10—Reduction of
- B60B2900/131—Vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of shock-absorbing wheels based on phonon crystal, including tire, wheel rim, spoke, wheel hub, axle hole, locally resonant, Bragg diffraction type phonon crystal annulus, end cap, the both ends of the surface at locally resonant same radial dimension position on the spoke are symmetrical, locally resonant is radially equally spaced in the spoke, the locally resonant of the spoke and periodic arrangement thereon, form locally resonant type photonic crystal structure, the Bragg diffraction type phonon crystal annulus, it is alternately to fit closely the layered periodicity structure formed by the big matrix of density variation and scatterer.The present invention falls in the inhibition of elastic wave propagation within the scope of its bandgap frequency using phonon crystal to frequency, to reduce vibration.The configuration of the present invention is simple, intensity is high, good rigidity, manufactures easy for installation, good damping effect.
Description
Technical field
The present invention relates to wheel technical field more particularly to a kind of shock-absorbing wheels based on phonon crystal.
Background technique
Wheel is the important component of various vehicles, is the load bearing rotary components between tire and axle.One
As wheel generally rigid structure, although mostly wheels be mounted with tire, the cushioning effect that tire can play is very limited,
The damping of vehicle at present is primarily not but to realize damping by the structures such as mounting shock absorber by wheel, this makes the structure of vehicle frame
It becomes more complicated, maintenance costs increase.If wheel inherently has good damping performance, vehicle entirety
Damping performance will improve a lot.
The prior art is mainly the flexible deformation by wheel, to make wheel itself have shock-absorbing function.For example, application is public
Cloth number is the Chinese invention patent of CN106671694A, disclosed " from shock-absorbing wheel ", by between outer rim and flower-drum
Spring steel plate is set, wheel itself is made to have the function of damping using the flexible deformation of spring steel plate.For another example, Authorization Notice No.
It is disclosed " a kind of adjustable wheel hub of damping " for the Chinese utility model patent of CN206841074U, in outer wheel hub and inner wheel hub
Between the shock-damping structure that is made of spring and decoupling rod is set, have wheel itself by the flexible deformation of the shock-damping structure
The function of damping.The above-mentioned prior art, although wheel itself can be made to have shock-absorbing function, this function is to need to pass through vehicle
The flexible deformation of wheel is realized, if wheel stress is excessive, that wheel will occur excessive flexible deformation and plasticity even occurs
Deformation, if the discontinuity of several wheels, the deformation of that each wheel just has very big difference, and vehicle is even caused when serious
Topple, these situations all seriously affect the driving safety of vehicle.
Summary of the invention
In order to solve the above technical problems, structure is simple the present invention provides a kind of shock-absorbing wheel based on phonon crystal,
Stiffness and strength are high, and manufacture is easy for installation, and damping effect is good.
The purpose of the present invention is achieved through the following technical solutions:
A kind of shock-absorbing wheel based on phonon crystal, including tire, wheel rim, spoke, wheel hub, axle hole, locally resonant,
Bragg diffraction type phonon crystal annulus, end cap, locally resonant is fitted closely by elastomer and mass block, described
Elastomer and the quality are block-shaped identical, and locally resonant is fitted tightly over the spoke same radial dimension of two
Symmetric position on end face, locally resonant are radially equally spaced in the spoke, and locally resonant is along every
It is arranged radially number and is more than or equal to three, the locally resonant of the spoke and periodic arrangement thereon forms locally resonant
Type photonic crystal structure, the Bragg diffraction type phonon crystal annulus are handed over by the big matrix of density variation and scatterer
For the layered periodicity structure to be formed is fitted closely, periodicity is more than or equal to three, and described matrix and the scatterer are all annulus
Shape, the Bragg diffraction type phonon crystal annulus, is mounted in the hole of the hub centre, the Bragg diffraction type sound
There is the end cap being fixed on the wheel hub at sub- crystal annulus, both ends.
Preferably, the elastomer and the mass block are all cylindric, can also be all annular shape.
Preferably, the mass block can be made with copper, can also other metal materials similar in density, elasticity modulus
Substitution.
Preferably, the elastomer can make of rubber, can also the substitution of the other materials similar in elasticity.
Preferably, available between the mass block and the elastomer and between the elastomer and the spoke
Seccotine realization fits closely, and can also be bolted makes between the spoke, the elastomer and the mass block in fact
Now fit closely.
Preferably, described matrix and the scatterer are the identical thin annulus of thickness.
Preferably, described matrix can make of steel, can also other metal materials similar in density, elasticity modulus replace
Generation.
Preferably, the scatterer can be made with electricity consumption wood, can also the other materials similar in density, elasticity modulus replace
Generation.
Preferably, it can be realized and be fitted closely with seccotine between described matrix and the scatterer.
The present invention is based on the bandgap principles of phonon crystal, in conjunction with the adjustable characteristic of phonon crystal band gap, realize to target frequency
The inhibition of elastic wave propagation in section.The vehicle excitation by ground in the process of moving, when the elastic wave caused by motivating
When frequency is in the range of phonon crystal band gap, the propagation of elastic wave is suppressed, to achieve the effect that damping.
The beneficial effects of the present invention are:
The present invention is introduced into locally resonant type photonic crystal structure and Bragg diffraction type photonic crystal structure in wheel,
Locally resonant type photonic crystal structure realizes the inhibition to low and medium frequency elastic wave propagation, Bragg diffraction type photonic crystal structure
Realize inhibition to high frequency elastic wave propagation, therefore the present invention can be achieved at the same time to high frequency elastic wave, intermediate frequency elastic wave and low
The inhibition of frequency elastic wave propagation, good damping effect.
Further, the present invention is according to phonon crystal band gap locations and the adjustable characteristic of band gap width, by adjusting phonon
The geometric parameter of crystal, the material parameter of phonon crystal and periodicity realize the variation of band gap locations and band gap width, to meet
The damping requirement in frequency range section under different road conditions.
Further, structure of the invention is simple, intensity is high, good rigidity, it is easy for installation, be easy to adjustment and maintenance.
Further, photonic crystal structure of the invention is arranged in the symmetric position of wheel, when wheel work, Bu Huiyin
Play additional dynamic loading.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first embodiment of the invention；
Fig. 2 is the cross-sectional view of the first embodiment of the invention；
Fig. 3 is the structural schematic diagram of second of embodiment of the invention；
Fig. 4 is the cross-sectional view of second of embodiment of the invention.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawing.
Fig. 1 and Fig. 2 illustrates the first embodiment of the invention.As depicted in figs. 1 and 2, a kind of to be based on phonon crystal
Shock-absorbing wheel, including tire 1, wheel rim 2, spoke 3, wheel hub 4, axle hole 5, locally resonant 6, Bragg diffraction type phonon be brilliant
Body annulus 9, end cap 12, screw 13.Locally resonant 6 is fitted closely by elastomer 7 and mass block 8, the elasticity
Body 7 and the mass block 8 be all it is cylindric, 7 one end face of elastomer is fitted closely in the spoke 3, separately by seccotine
One end face is fitted closely also by seccotine and 8 end face of the mass block, in 8 center line of mass block and the elastomer 7
Heart line is overlapped in fitting, and the elastomer 7 can make of rubber, can also use the substitution of other materials similar in elasticity, institute
Stating mass block 8 can be made with copper, can also use other metal materials substitution similar in density, elasticity modulus, and the local is total
Oscillator 6 is fitted tightly over the symmetric position on same radial dimension of two end faces of the spoke 3, and locally resonant 6 exists
The spoke 3 is radial to be equally spaced, and locally resonant 6 is imitated along can reach good damping when being arranged radially three for every
Fruit can suitably increase locally resonant 6 in the range of 3 size of spoke allows to reach better damping effect
Locally resonant 6 of number, the spoke 3 and periodic arrangement thereon forms locally resonant type photonic crystal structure,
The Bragg diffraction type phonon crystal annulus 9 is alternately fitted closely by the big matrix 10 of density variation and scatterer 11
The layered periodicity structure of formation can reach good damping effect when periodicity is three, to reach better damping effect,
Periodicity can suitably be increased, described matrix 10 and the scatterer 11 are the identical thin annulus of thickness, and described matrix 10 can be with
It is made of steel, other metal materials substitution similar in density, elasticity modulus can also be used, the scatterer 11 can be wooden with electricity consumption
Make, other materials substitution similar in density, elasticity modulus can also be used, it can be with by force between described matrix 10 and the scatterer 11
Power glue achievees the effect that fit closely, and the Bragg diffraction type phonon crystal annulus 9 is mounted on 4 center of wheel hub
Kong Zhong is mounted with the end cap 12 in its both ends of the surface to prevent Bragg diffraction type phonon crystal annulus 9 along axial movement,
The end cap 12 is fixed on the wheel hub 4 by the screw 13, and number to locally resonant 6 and institute can be passed through
State change and the elastomer 7, the mass block 8, the base of the periodicity of Bragg diffraction type phonon crystal annulus 9
The adjustment of 11 material parameter of body 10 and the scatterer realizes the variation of band gap locations and band gap width, to meet different road conditions
The damping requirement in frequency range section.
Fig. 3 and Fig. 4 illustrates second of embodiment of the invention.As shown in Figure 3 and Figure 4, with the first embodiment
Unlike, the elastomer 7 and the mass block 8 are all annular shape, the spoke 3 and the elasticity for being mounted on its two sides
It is connected between body 7, the mass block 8 by bolt 14 to achieve the effect that fit closely.
Fig. 1 and Fig. 2 indicates the first embodiment of the invention, is primarily adapted for use in non power driven vehicle.Fig. 3 and Fig. 4 table
Show second of embodiment of the invention, is primarily adapted for use in motor vehicles.
Above embodiment is not intended to limit the present invention, for those skilled in the art, all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on are regarded as protection scope of the present invention.
Claims (8)
1. a kind of shock-absorbing wheel based on phonon crystal, including tire (1), wheel rim (2), spoke (3), wheel hub (4), axle hole
(5), it is characterised in that: it further include locally resonant (6), Bragg diffraction type phonon crystal annulus (9) and end cap (12), it is described
Locally resonant (6) is fitted closely by elastomer (7) and mass block (8), the elastomer (7) and the mass block (8)
Shape is identical, and the locally resonant (6) is fitted tightly over symmetrical on same radial dimension of two end faces of the spoke (3)
Position, the locally resonant (6) are radially equally spaced in the spoke (3), and the locally resonant (6) is along every radial direction
Number is set and is more than or equal to three, the locally resonant of the spoke (3) and periodic arrangement thereon is sub (6), and it is total to form local
Vibration shape photonic crystal structure；The Bragg diffraction type phonon crystal annulus (9), be by the big matrix of density variation (10) and
Scatterer (11) alternately fits closely the layered periodicity structure to be formed, and periodicity is more than or equal to three, described matrix (10) and institute
Stating scatterer (11) is all annular shape, and the Bragg diffraction type phonon crystal annulus (9) is mounted in the wheel hub (4)
In the hole of the heart, the Bragg diffraction type phonon crystal annulus (9), there is the end being fixed on the wheel hub (4) at both ends
It covers (12).
2. a kind of shock-absorbing wheel based on phonon crystal according to claim 1, it is characterised in that: the elastomer (7)
It is made of rubber.
3. a kind of shock-absorbing wheel based on phonon crystal according to claim 1, it is characterised in that: the mass block (8)
Made with copper.
4. a kind of shock-absorbing wheel based on phonon crystal according to claim 1, it is characterised in that: the mass block (8)
It is fitted closely with seccotine realization between the elastomer (7) and between the elastomer (7) and the spoke (3).
5. a kind of shock-absorbing wheel based on phonon crystal according to claim 1, it is characterised in that: even by bolt (14)
Connecing makes to realize between the spoke (3), the elastomer (7) and the mass block (8) and fits closely.
6. a kind of shock-absorbing wheel based on phonon crystal according to claim 1, it is characterised in that: described matrix (10) is used
Steel production.
7. a kind of shock-absorbing wheel based on phonon crystal according to claim 1, it is characterised in that: the scatterer (11)
The production of electricity consumption wood.
8. a kind of shock-absorbing wheel based on phonon crystal according to claim 1, it is characterised in that: described matrix (10) and
It is fitted closely between the scatterer (11) with seccotine realization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838417.3A CN108973518A (en) | 2018-07-24 | 2018-07-24 | A kind of shock-absorbing wheel based on phonon crystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838417.3A CN108973518A (en) | 2018-07-24 | 2018-07-24 | A kind of shock-absorbing wheel based on phonon crystal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108973518A true CN108973518A (en) | 2018-12-11 |
Family
ID=64551239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810838417.3A Pending CN108973518A (en) | 2018-07-24 | 2018-07-24 | A kind of shock-absorbing wheel based on phonon crystal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108973518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110610032A (en) * | 2019-08-26 | 2019-12-24 | 广东博智林机器人有限公司 | Tire optimization method and device for transportation equipment, electronic equipment and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11348501A (en) * | 1998-06-15 | 1999-12-21 | Yamaha Motor Co Ltd | Wheel for motorcycle |
| CN103899733A (en) * | 2014-04-02 | 2014-07-02 | 哈尔滨工程大学 | Vibration reduction gear with two-dimensional quasi-phonon crystals |
| CN106321775A (en) * | 2015-06-18 | 2017-01-11 | 包凯 | Common low speed vibration-attenuating gear based on local resonance-type photonic crystals |
| CN107120383A (en) * | 2017-06-19 | 2017-09-01 | 哈尔滨工程大学 | A kind of phonon crystal vibration absorbing coupling |
| CN107143641A (en) * | 2017-06-06 | 2017-09-08 | 哈尔滨工程大学 | A kind of three-dimensional quasi- phonon crystal vibration-reduction gear |
| CN108099487A (en) * | 2018-01-18 | 2018-06-01 | 华东交通大学 | A kind of wheel using three-dimensional quasi- phonon crystal vibration and noise reducing |
| CN208530158U (en) * | 2018-07-24 | 2019-02-22 | 南京林业大学 | A kind of shock-absorbing wheel based on phonon crystal |
-
2018
- 2018-07-24 CN CN201810838417.3A patent/CN108973518A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11348501A (en) * | 1998-06-15 | 1999-12-21 | Yamaha Motor Co Ltd | Wheel for motorcycle |
| CN103899733A (en) * | 2014-04-02 | 2014-07-02 | 哈尔滨工程大学 | Vibration reduction gear with two-dimensional quasi-phonon crystals |
| CN106321775A (en) * | 2015-06-18 | 2017-01-11 | 包凯 | Common low speed vibration-attenuating gear based on local resonance-type photonic crystals |
| CN107143641A (en) * | 2017-06-06 | 2017-09-08 | 哈尔滨工程大学 | A kind of three-dimensional quasi- phonon crystal vibration-reduction gear |
| CN107120383A (en) * | 2017-06-19 | 2017-09-01 | 哈尔滨工程大学 | A kind of phonon crystal vibration absorbing coupling |
| CN108099487A (en) * | 2018-01-18 | 2018-06-01 | 华东交通大学 | A kind of wheel using three-dimensional quasi- phonon crystal vibration and noise reducing |
| CN208530158U (en) * | 2018-07-24 | 2019-02-22 | 南京林业大学 | A kind of shock-absorbing wheel based on phonon crystal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110610032A (en) * | 2019-08-26 | 2019-12-24 | 广东博智林机器人有限公司 | Tire optimization method and device for transportation equipment, electronic equipment and storage medium |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181211 |