CN207808919U - High ferro wheel noise reduction block - Google Patents
High ferro wheel noise reduction block Download PDFInfo
- Publication number
- CN207808919U CN207808919U CN201820173235.4U CN201820173235U CN207808919U CN 207808919 U CN207808919 U CN 207808919U CN 201820173235 U CN201820173235 U CN 201820173235U CN 207808919 U CN207808919 U CN 207808919U
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- CN
- China
- Prior art keywords
- noise reduction
- outer casing
- high ferro
- reduction block
- wheel noise
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- 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.)
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- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a kind of high ferro wheel noise reduction blocks, including：Outer casing, for the cylinder panel with given central angle；Inner casing, and outer casing central angle having the same, and constitute the cylinder panel with outer casing coaxial line；Elastic spoke body, is connected between inner casing and outer casing, and elastic spoke volume array has the vessel of outer casing axial direction, vessel at least to have two layers in the radial direction of outer casing；Rubber bar, the embedded vessel；Wherein, the both ends of high ferro wheel noise reduction block are equipped with radial bolt hole.High ferro wheel noise reduction block according to the utility model can effectively generate elastic damping and elastic relaxation.
Description
Technical field
The utility model is related to a kind of high ferro wheel noise reduction blocks.
Background technology
High ferro is the abbreviation of high-speed railway, although having different standards in country variant, high ferro Fixed Initial Point is substantially
At 250 kilometers/hour（Run speed per hour）, China's motor-car, high ferro etc. arrange herein, especially revives number（Overall trip speed is up to 350
Kilometer/hour, close to 100 meter per seconds）, speed is very fast, and the control to noise should be comprehensive.
High ferro noise source mainly has wheel frame rail noise, noise of equipment, pantograph noise and aerodynamic noise.To high ferro noise
Technological development is also more and more, and as involved by Chinese patent literature CN102167050A is high-speed EMUs vehicle connection portion
Point noise reduction schemes, involved by Chinese patent literature CN104454641A is the side of electric express locomotive cooling system noise reduction
Case, Chinese patent literature CN205223751U are the schemes that noise reduction process is carried out to track.Belonging to the utility model is from wheel
Frame rail side more specifically carries out the field of noise reduction from wheel side.
The background technology part of Chinese patent literature CN106004226A carries out existing wheel noise solution
Analysis, and a kind of wheel damping-constraining ring is further provided, pass through two semicircular rings of intermediate axis pin and spring handle and institute
The rubber damping layer set up combines the damping-constraining ring of matching wheel outer profile structure, and then is mounted on vehicle by trip bolt
On the inside of wheel rim, this kind of structure, which is based on being formed by damping-constraining ring, can effectively reduce wheel noise.This kind of structure needs
A certain number of fastening bolts are configured, so that semicircular ring and rubber damping layer can preferably play efficiency.By its pin joint structure
Limitation, be typically only capable to one layer of rubber damping layer of setting, vibration reduction efficiency is limited.
In view of this, really using the noise reduction block structure that the structure in high ferro is as shown in Figure 1 at present, the noise reduction block is whole
On be a fan ring structure, central angle is usually more than 90 degree.The both ends of this kind of noise reduction block are the interconnecting piece for being provided with bolt hole 2
1, it is sub- fan ring stacked structure between two interconnecting pieces 1, i.e., one layer of steel plate 4 stacks one layer of rubber layer 5, and steel plate 4 and rubber layer 5 are all
It is fan ring structure, steel plate 4 and rubber layer 5 are concentric, to form a big fan ring structure after stacking gradually.This kind of structure
3 or 4 layers of rubber layer 4 can be generally equipped with, damping effect can be significantly improved.The shortcomings that this kind of structure is multilayer lamination structure
It needs to carry out boundling at two interconnecting pieces 1, if first carrying out the welding between steel plate, the assembly of rubber layer 5 can be influenced, if
It carries out the welding between steel plate 4 again after assembling rubber layer 5, then can damage rubber layer 5. in addition, since boundling is needed to configure such as Fig. 1
Shown in obligatory point 3, obligatory point 3 be also be also required to weld between steel material, with aforementioned steel plate 4, influence the property of rubber layer 5
Energy.
It should be further noted that noise reduction block is actually a kind of noise elimination tile structure, global shape is also tile-shaped.
Sound eliminating tile is initially applied on submarine, and sound eliminating tile is specifically mounted on submarine surface, and sound eliminating tile makees the loss of sound wave
What completed with mainly and elastic relaxation process is made by friction in the viscosity of material, the principle of rubbing action in viscosity therein
It is exactly the damping loss that vibration damping field is often said.Noise reduction block actually shown in FIG. 1 mainly uses damping loss to realize damping, bullet
Property relaxivity performance it is relatively limited, be that its deformation space is limited, it is difficult to generate elastic hysteresis phenomenon, to can not be effective
Play elastic relaxation efficiency.
Utility model content
The purpose of this utility model is to provide a kind of high ferro wheels that can effectively generate elastic damping and elastic relaxation
Noise reduction block, to effectively improve the damping effect of damping block.
A kind of high ferro wheel noise reduction block, including：
Outer casing, for the cylinder panel with given central angle；
Inner casing, and outer casing central angle having the same, and constitute the cylinder panel with outer casing coaxial line；
Elastic spoke body, is connected between inner casing and outer casing, and elastic spoke volume array has the vessel of outer casing axial direction, holds
Chamber at least has two layers in the radial direction of outer casing；
Rubber bar, the embedded vessel；
Wherein, the both ends of high ferro wheel noise reduction block are equipped with radial bolt hole.
Above-mentioned high ferro wheel noise reduction block, optionally, the elasticity spoke body is honeycomb structure, hexagon corresponding to honeycomb structure
Unit constructs the vessel.
Optionally, the circumscribed circle diameter of hexagonal cells is one third ~ five/mono- of inner casing and outer casing spacing.
Optionally, rubber bar is cylindrical rod, and rubber bar diameter is less than or equal to hexagonal cells circumscribed circle diameter, and is more than six
0.732 times of side shape unit circumscribed circle diameter.
Optionally, 0.925 times of a diameter of hexagonal cells circumscribed circle diameter of rubber bar.
Optionally, the spacing of outer casing and inner casing is 25 ~ 40mm.
Optionally, bolt hole is the bolt hole with counterbore.
Optionally, the web thickness of elastic spoke body is 1.8 ~ 2.3mm.
Optionally, the central angle of outer casing is 90 ~ 120 degree.
According to the embodiments of the present invention, it is different from the noise reduction block of current multilayer stacked structure, and is utilized in two pieces
Elastic spoke body is set between backplate, and elastic spoke body itself has elasticity, has certain elastic damping ability.And elastic spoke volume array
There are the vessel of outer casing axial direction, vessel built-in rubber stick to be equivalent to and original laminar rubber body is changed into granulated rubber body,
Crumb rubber body itself also has certain elastic damping effect, meanwhile, stratiform is compared in the elastic relaxation effect of granulated rubber body
Rubber layer is apparent, generally speaking, the structure based on the utility model, both have preferable elastic damping effect, and have compared with
Good elastic relaxation effect, can significantly more efficient offer vibration reduction efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the noise reduction block used in current domestic high ferro.
Fig. 2 is high ferro wheel noise reduction block structure schematic diagram in one embodiment of the utility model.
Fig. 3 is that an embodiment is high ferro wheel noise reduction block fixed structure schematic diagram.
In figure：1. interconnecting piece, 2. bolts hole, 3. obligatory points, 4. steel plates, 5. rubber layers.
6. outer casing, 7. elastic spoke bodies, 8. rubber bars, 9. inner casings.
Specific implementation mode
Structure shown in Fig. 2 is the part-structure of high ferro wheel noise reduction block, is mainly used for showing its decrease of noise functions part, base
Body portion includes mainly an outer casing 6 and an inner casing 9, and both cylinder panels, correspondingly, inner casing 9 is offset to
The inside of the determined referential of cylinder, i.e., centripetal side, and outer casing 6 is then offset to the outside of the determined referential of cylinder, i.e., from
Heart side, two backplate coaxial lines.
Correspondingly, between two backplates under conditions of there are damping structure configuration space, the radius of two backplates is inevitable
The radius of difference, inner casing 9 is small, and the radius of outer casing 6 is big, and it is two shields that the internal diameter of outer casing 6, which subtracts the outer diameter of inner casing 9,
The distance between plate.
The connection of direct rigidity is not used between inner casing 9 and outer casing 6, this is different from known as shown in Figure 1
A kind of noise reduction block, noise reduction block shown in Fig. 1 needs to carry out boundling at its both ends, forms interconnecting piece 1 as shown in Figure 1, even
The presence of socket part 1 makes to be located at outmost steel plate 4 and generates rigid connection, rigid connection pair between the steel plate 4 of most inner face
The transmission capacity of mechanical oscillation is stronger, to influence whole damping effect.
It is attached using elastic spoke body 7 between inner casing 9 and outer casing 6 in structure shown in Fig. 2, elastic spoke body 7
Itself has elasticity, has stronger cushioning effect.
It about elastic spoke body 7, is common on the air-free tyre currently promoted and applied, for replacing pneumatic tire, bullet
Property spoke body 7 manufacture craft comparative maturity, and had the air-free tyre input market of comparative maturity.
Elastic spoke body 7 is currently used primarily in the carcass portion of substitution pneumatic tire, its own with preferable stiffness factor,
And elastic spoke body 7 all has hollow, although hollow shape is different, generation type is all direct by flexible disc
Determine, for example, honeycomb fashion shown in Fig. 2 elastic spoke body 7, disc sequentially connects according to hexagon, determines have
The physical fit of the vessel of hexagonal structure, vessel is hexagonal prisms structure.
Vessel is all being axially arranged in tire in air-free tyre, as previously mentioned, elastic spoke body 7 is all disc connection
Structure, the lath direction of disc are the axial direction of tire, the axial direction of the vessel determined necessarily tire.In the utility model
In, the extending direction for the vessel that elastic spoke body 7 is determined is also the axial direction of matrix, i.e. the axial direction of outer casing 6 and inner casing 9.
The vessel that existing elasticity spoke body 7 is determined all is hollow, but in the embodiments of the present invention, elasticity
The vessel that spoke body 7 is determined is built-in with rubber bar 8.
In addition, the type of existing elasticity spoke body 7 is more, vessel is existing similar to honeycomb structure shown in Fig. 2
Structure with smaller vessel unit, the structure with larger vessel unit for also thering is for example tilting disc to be determined, at this
In the embodiment of utility model, in the radial direction of outer casing 6, should at least have two layers of vessel, by minimizing vessel, and then match
The rubber unit for going out miniaturization, to improve elastic relaxation performance.In structure shown in Fig. 2, the matched vessel of institute is equivalent to four
Layer structure, corresponding rubber bar 8 is compared to rubber layer, and individual is smaller, and the elastic relaxation of noise reduction block as a whole is by step by step
It embodies, to have good elastic relaxation efficiency.
In structure shown in Fig. 3, it is equipped with radial bolt hole 2 at the both ends of high ferro wheel noise reduction block, is used for high iron car
Assembly of the noise reduction block in high ferro wheel rim medial surface is taken turns, assembly method is identical as existing noise reduction block.But as previously mentioned,
Since its inner casing 9 of the noise reduction block based on the utility model is connect with outer casing 6 using elastic spoke body 7, rather than shown in FIG. 1
Structure must form connection at interconnecting piece 1, and can not provide the machinery between outermost steel plate 4 and the steel plate 4 of innermost layer
The blocking of wave.In the embodiments of the present invention, it is however generally that, for bolt hole 2, as connected high ferro wheel noise reduction
Bolt hole 2 on block, typically unthreaded hole, unthreaded hole diameter are more than the major diameter of bolt, that is to say, that bolt can't become mechanical wave
The component of reliable propagation in high ferro wheel noise reduction block.
In structure shown in Fig. 2, the elasticity spoke body 7 is honeycomb structure, hexagonal cells structure corresponding to honeycomb structure
The vessel is produced, the elastic spoke body 7 of honeycomb structure is the elastic spoke body 7 occurred earliest, and manufacture craft is most ripe.But in this reality
With in novel embodiment, it is mainly made full use of to have multilayer vessel, that is, have the characteristics that multilayer hexagonal cells, to fill out
It is filled with enough, and the relatively small rubber bar 8 of individual, and generates better elastic relaxation effect.
Preferably, the circumscribed circle diameter of hexagonal cells be inner casing 9 and 6 spacing of outer casing one third ~ five/
One, then vessel can substantially form 3 ~ 5 layers, it being capable of relatively effective performance elastic relaxation efficiency.
In some embodiments, the rubber bar 8 of hexagonal prism structure may be used in rubber bar 8, is inserted into vessel with facilitating,
And it is relatively good to the filling effect of vessel.It is but found through overtesting, the rubber of the relatively good hexagonal prism structure of filling effect
The performance of 8 elastic damping effect of stick is preferable, but relatively poor to the performance of the effect of elastic relaxation, and its charging efficiency is not
It is high.
In a preferred embodiment, rubber bar 8 is cylindrical rod, and 8 diameter of rubber bar is less than or equal to outside hexagonal cells
Circular diameter is connect, and more than 0.732 times of hexagonal cells circumscribed circle diameter, rubber bar 8 will produce certain when inserting vessel
Predeformation, and hexagonal cells can not be actually filled up, the hysteresis of rubber bar 8 is more preferable, so as to preferably play bullet
Property relaxation effect.
Preferably, 0.925 times of a diameter of hexagonal cells circumscribed circle diameter of rubber bar 8 can have to vessel
Compactedness, and its predeformation can preferably play elastic relaxation effect.
In addition, outer casing 6 and the spacing of inner casing 9 are 25 ~ 40mm, integral thickness is little, with known noise reduction block thickness
Degree is not much different, and facilitates its assembly on high ferro wheel.
Preferably, bolt hole 2 is the bolt hole with counterbore.
In addition, the web thickness of elastic spoke body 7 is 1.8 ~ 2.3mm.
Claims (9)
1. a kind of high ferro wheel noise reduction block, which is characterized in that including：
Outer casing, for the cylinder panel with given central angle；
Inner casing, and outer casing central angle having the same, and constitute the cylinder panel with outer casing coaxial line；
Elastic spoke body, is connected between inner casing and outer casing, and elastic spoke volume array has the vessel of outer casing axial direction, and vessel is extremely
Few radial direction in outer casing has two layers；
Rubber bar, the embedded vessel；
Wherein, the both ends of high ferro wheel noise reduction block are equipped with radial bolt hole.
2. high ferro wheel noise reduction block according to claim 1, which is characterized in that the elasticity spoke body is honeycomb structure, bee
Hexagonal cells corresponding to Nest architecture construct the vessel.
3. high ferro wheel noise reduction block according to claim 2, which is characterized in that the circumscribed circle diameter of hexagonal cells is interior
One third ~ five/mono- of backplate and outer casing spacing.
4. high ferro wheel noise reduction block according to claim 2 or 3, which is characterized in that rubber bar is cylindrical rod, and rubber bar is straight
Diameter is less than or equal to hexagonal cells circumscribed circle diameter, and more than 0.732 times of hexagonal cells circumscribed circle diameter.
5. high ferro wheel noise reduction block according to claim 4, which is characterized in that outside a diameter of hexagonal cells of rubber bar
Connect 0.925 times of circular diameter.
6. high ferro wheel noise reduction block according to claim 4, which is characterized in that the spacing of outer casing and inner casing be 25 ~
40mm。
7. high ferro wheel noise reduction block according to claim 1, which is characterized in that bolt hole is the bolt hole with counterbore.
8. high ferro wheel noise reduction block according to claim 1, which is characterized in that the web thickness of elastic spoke body be 1.8 ~
2.3mm。
9. high ferro wheel noise reduction block according to claim 1, which is characterized in that the central angle of outer casing is 90 ~ 120 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820173235.4U CN207808919U (en) | 2018-02-01 | 2018-02-01 | High ferro wheel noise reduction block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820173235.4U CN207808919U (en) | 2018-02-01 | 2018-02-01 | High ferro wheel noise reduction block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207808919U true CN207808919U (en) | 2018-09-04 |
Family
ID=63322818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820173235.4U Expired - Fee Related CN207808919U (en) | 2018-02-01 | 2018-02-01 | High ferro wheel noise reduction block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207808919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116156A (en) * | 2018-02-01 | 2018-06-05 | 济南大学 | High ferro wheel noise reduction block |
-
2018
- 2018-02-01 CN CN201820173235.4U patent/CN207808919U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116156A (en) * | 2018-02-01 | 2018-06-05 | 济南大学 | High ferro wheel noise reduction block |
| CN108116156B (en) * | 2018-02-01 | 2023-08-25 | 济南大学 | Noise reduction block for high-speed railway wheels |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20190201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |