CN207310974U - A kind of multiple field wheel noise reduction block - Google Patents
A kind of multiple field wheel noise reduction block Download PDFInfo
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- CN207310974U CN207310974U CN201721354249.8U CN201721354249U CN207310974U CN 207310974 U CN207310974 U CN 207310974U CN 201721354249 U CN201721354249 U CN 201721354249U CN 207310974 U CN207310974 U CN 207310974U
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- restraint layer
- wheel
- mandrel
- noise reduction
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Abstract
The utility model discloses a kind of multiple field wheel noise reduction block,Including installing plate and the first outer restraint layer,Hole one and hole two are respectively arranged with the both ends of installing plate,Hole one and hole two are each passed through by two end bolts to be screwed on wheel,Multiple field wheel noise reduction block further includes the outer restraint layer of first be positioned close at wheel shaft side,Restraint layer in suspension is set between installing plate and the first outer restraint layer,Hollow mandrel is contacted through one end of restraint layer and mandrel in suspension with installing plate,The other end of mandrel is in contact with the first outer restraint layer,In suspension restraint layer by one bonding by Vulcanization of damping layer between installing plate and the first outer restraint layer,First outer restraint layer is passed through by middle part bolt,It is screwed into after mandrel and installing plate on the circumferential inside portion of wheel,So as to be connected in the middle part of multiple field wheel noise reduction block on wheel.The utility model improves the effect of vibration and noise reducing.
Description
Technical field
It the utility model is related to a kind of device for wheel vibration and noise reducing, more particularly to a kind of multiple field wheel noise reduction
Block.
Background technology
During train driving, wheel rolls in orbit, since surface roughness and wheel track tread are uneven, excites wheel
Modal vibration responds, and produces judder and construct noise, and be radiated air borne through wheel surface.If by a kind of noise reduction knot
Structure or material are installed on wheel, by suppressing vibration noise source energy, can reach the purpose for reducing wheel noise radiation levels.
The wheel noise reduction prior art mainly has following 4 kinds：Wheel damping device, wheel noise reduction plate, wheel noise reduction ring and elasticity
Wheel.Application publication number is CN106004229A, and data of publication of application is public for the Chinese invention patent application on October 12nd, 2016
A kind of wheel multilayer damper is driven, its composition includes：Installing plate, restraint layer gasket and damping rubber, the installing plate,
The restraint layer gasket and damping rubber composition damper, the damper pass through bolt even structure annular in shape
Be installed on wheel on dovetail groove in, the restraint layer replaces superposition with the gasket and forms sandwich, described
The upper arcuate end face of sandwich is welded with the installing plate, caused gap institute in the sandwich
The damping rubber stated is filled, and the damping rubber bonds together with the restraint layer.
Above patent document wheel with multilayer damper, installing plate, restraint layer and gasket weld together composition
Skeleton, damping rubber are filled in skeleton gap.But the basic principle of wheel noise reduction block is inhaled based on damping-constraining and power
Shake effect, be required to quality layers its effect of competence exertion in vibration and deformation, and wheel is hindered with multilayer in above patent document
It is to be rigidly fixed in by screw on wheel in the middle part of the installing plate and skeleton of Buddhist nun's device, belongs to immovable quality, account for sandwich
The 50% of gross mass, the part mass primarily serve installation and support applications, do not have effect of vibration and noise reduction substantially, therefore, only
Remaining 50% movable quality competence exertion effect of vibration and noise reduction.
In addition, some movable quality is the cantilever beam structure that root is fixed, the vibration of quality section and deformation close to root
Also it is smaller.In addition, beam type restraint layer steel plate mainly based on radially bending deformation and torsional deflection, mainly plays rubber layer
Stretching and compression, but axially there is no vibrational degrees of freedom and rubber shearing effect substantially along wheel.Therefore, the program can rise
To noise reduction technology effect will also be subject to larger limitation, have the space further lifted.
To sum up, a kind of wheel noise reduction block how is designed, movable quality can be increased, give full play to damping-constraining and power
The effect of absorbing, the effect for improving vibration and noise reducing are the technical problems for being badly in need of solving.
Utility model content
Technical problem to be solved in the utility model is to be directed to defect existing in the prior art, there is provided a kind of multiple field
Wheel noise reduction block, it can increase movable quality, give full play to the effect of damping-constraining and dynamic absorber, improve vibration and noise reducing
Effect.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of multiple field wheel noise reduction block,
Including installing plate and the first outer restraint layer, hole one and hole two are respectively arranged with the both ends of installing plate, passes through two end spiral shells
Bolt is each passed through hole one and hole two and is screwed on the circumferential inside portion of wheel, so that the both ends of multiple field wheel noise reduction block be connected
It is connected on wheel, the multiple field wheel noise reduction block further includes the outer restraint layer of first be positioned close at wheel shaft side, is pacifying
Restraint layer in suspension is set between loading board and the first outer restraint layer, and hollow mandrel is through restraint layer in suspension and mandrel
One end is contacted with installing plate, and the other end of mandrel is in contact with the first outer restraint layer, and restraint layer passes through damping layer in suspension
One bonding by Vulcanization passes through the first outer restraint layer, mandrel and installation between installing plate and the first outer restraint layer, by middle part bolt
It is screwed into after plate on the circumferential inside portion of wheel, so as to will be connected in the middle part of multiple field wheel noise reduction block on wheel.
Preferably, restraint layer between restraint layer, in the first outer restraint layer and suspension in the outer circumferential surface of mandrel and suspension
Between and installing plate and suspension in leave gap between restraint layer, damping layer one is arranged in the gap.
Preferably, restraint layer is single layer structure or sandwich construction in the suspension.
Preferably, axially extended portion is provided with the other end of one end of the mandrel and/or mandrel, in installing plate
And/or first be provided with outer restraint layer with the axially extended matched through hole in portion, be inserted into by axially extended portion logical
During hole is fitted close with through hole, so that one end of mandrel is contacted with installing plate, constrained outside the other end of mandrel and first
Layer is in contact.
Preferably, outward flange is provided with the other end of mandrel, passes through the outward flange and close wheel shaft position
One sidepiece of the first outer restraint layer is in contact, so that the other end of mandrel is in contact with the first outer restraint layer.
Preferably, constrain being additionally provided with one or more layers outside second at the side of the first outer restraint layer of wheel shaft
Layer；One or more layers second outer restraint layer stacks up by one or more packing rings and the first outer restraint layer and to form interlayer knot
Structure, bonding by Vulcanization has damping layer two in the gap of the sandwich；The sandwich, mandrel are passed through by middle part bolt
Be screwed into after installing plate on the circumferential inside portion of wheel, so as to will be connected in the middle part of multiple field wheel noise reduction block on wheel.
Preferably, damping layer is rubber or the elastic damping material of other classifications.
The beneficial effects of the utility model are：The utility model is by setting mandrel and being stayed between mandrel and interior restraint layer
There is larger gap and fill full rubber, so as to form restraint layer in suspension, increase the movable quality of interior restraint layer and shake
Dynamic model state number；The cantilever beam structure that root is fixed in the prior art is changed, radially bending deformation can be not only realized and reverse change
Shape, moreover it is possible to realize and be radially translatable, and realize axial translation and around mandrel rotary motion, therefore can give full play to damping-constraining and
The effect of dynamic absorber, can also play more preferable inhibitory action to wheel axial direction vibration noise, improve the effect of vibration and noise reducing.
In addition, mandrel also has installation positioning function, can play with welding the equal installation effect of sandwich in the prior art and keeping away
Exempt from the metal foil welding deformation problem caused by the welding procedure of the prior art；By to the specific of multiple field wheel noise reduction block
The design of step, can cause the utility model to meet the needs of actual condition, further improve the effect of vibration and noise reducing.By right
The design of tight fit structure between mandrel and installing plate and the first outer restraint layer, can realize quick essence during Product Assembly
Certainly position.Pass through and classification setting is carried out to the functional area of multiple field wheel noise reduction block so that the second outer restraint layer, packing ring and the
One outer restraint layer stacks up, and to form the damping layer two of sandwich and bonding by Vulcanization in the gap of the sandwich main
Play the role of dynamic absorber, primarily serve the work of damping-constraining in other position, that is, suspensions at restraint layer and damping layer one
With so further giving full play to the effect of damping-constraining and dynamic absorber, improve the effect of vibration and noise reducing.
Brief description of the drawings
Fig. 1 be the utility model embodiment 1 in multiple field wheel noise reduction block be installed on wheel after structure diagram；
Fig. 2 is the dimensional structure diagram of multiple field wheel noise reduction block in the utility model embodiment 1；
Fig. 3 is the overlooking the structure diagram of multiple field wheel noise reduction block in the utility model embodiment 1；
Fig. 4 is schematic cross-sectional view of the multiple field wheel noise reduction block along mandrel axial direction in the utility model embodiment 1；
Fig. 5 is schematic cross-sectional view of the multiple field wheel noise reduction block along mandrel axial direction in the utility model embodiment 2；
Fig. 6 is section view of the multiple field wheel noise reduction block along mandrel axial direction in the utility model embodiment 3 at mandrel
Structure diagram；
Fig. 7 is section view of the multiple field wheel noise reduction block along mandrel axial direction in the utility model embodiment 4 at mandrel
Structure diagram；
Fig. 8 is section view of the multiple field wheel noise reduction block along mandrel axial direction in the utility model embodiment 5 at mandrel
Structure diagram；
Fig. 9 is section view of the multiple field wheel noise reduction block along mandrel axial direction in the utility model embodiment 6 at mandrel
Structure diagram；
Figure 10 is section view of the multiple field wheel noise reduction block along mandrel axial direction in the utility model embodiment 7 at mandrel
Structure diagram；
Figure 11 is to show the structure that the mandrel of multiple field wheel noise reduction block in the utility model embodiment 1 is arranged to after two
It is intended to；
In figure：1. wheel, 2. multiple field wheel noise reduction blocks, 3. installing plates, 4. holes one, 5. holes two, 6. end spiral shells
Bolt, 7. wheel shafts, 8. first outer restraint layers, restraint layer in 9. suspensions, 10. mandrels, 101. axially extended portions, outside 102.
Flange, 11. damping layers one, 12. middle part bolts, 13. gaps, 14. through holes, 15. locating slots, 16. second outer restraint layers,
17. packing ring, 18. damping layers two.
Embodiment
Further details of elaboration is done to the technical solution of the utility model with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：As shown in Figures 1 to 4, a kind of wheel noise reduction method, it is set on the circumferential inside portion of wheel 1
Multiple field wheel noise reduction block 2 carries out vibration and noise reducing, close to the circumferential inside portion of wheel 1 in the multiple field wheel noise reduction block 2
Side sets installing plate 3, and hole 1 and hole 25 are respectively arranged with the both ends of installing plate 3, is distinguished by two end bolts 6
It is screwed into through hole 1 and hole 25 on the circumferential inside portion of wheel 1, so that the both ends of multiple field wheel noise reduction block 2 be connected
On wheel 1, the first outer restraint layer 8 is set close to 7 side of wheel shaft in multiple field wheel noise reduction block 2, in installing plate 3 and first
Restraint layer 9 in suspension is set between outer restraint layer 8, hollow mandrel 10 through restraint layer 9 in suspension and mandrel 10 one
End is contacted with installing plate 3, and the other end of mandrel 10 is in contact with the first outer restraint layer 8, and restraint layer 9 passes through damping in suspension
One 11 bonding by Vulcanization of layer pass through the first outer restraint layer 8, core between 3 and first outer restraint layer 8 of installing plate, by middle part bolt 12
It is screwed into after axis 10 and installing plate 3 on the circumferential inside portion of wheel 1, so that the middle part of multiple field wheel noise reduction block 2 be connected to
On wheel 1.In the present embodiment, damping layer is rubber or the elastic damping material of other classifications.The present embodiment is by setting core
Larger gap is left between axis and mandrel and interior restraint layer and fills full rubber, so as to form restraint layer in suspension, increase
The movable quality and mode of oscillation number of interior restraint layer；The cantilever beam structure that root is fixed in the prior art is changed, not only can
Realize radially bending deformation and torsional deflection（Consumed energy by damping layer rubber tensile and compression）, moreover it is possible to realize radially flat
It is dynamic, and realize axial be translatable and around mandrel rotary motion（Consumed energy by damping layer rubber shear action）, therefore can fully send out
The effect of damping-constraining and dynamic absorber is waved, more preferable inhibitory action can also be played to wheel axial direction vibration noise, improve and subtract
Shake the effect of noise reduction.In addition, mandrel also has installation positioning function, before the vulcanization of rubber in the suspension restraint layer and with peace
Loading board and the first outer restraint layer are in contact cooperation, are glued after the vulcanization of rubber with installing plate, the first outer restraint layer and elastic rubber layer
It is attached integral, wheel noise reduction block is formed, and bolt is realized that wheel noise reduction block is connected with wheel rate through mandrel endoporus, it can rise
To with welding the equal installation effect of sandwich in the prior art and avoiding the metal caused by the welding procedure of the prior art
Steel plate welding deformation problem.
Restraint layer 9 is sandwich construction in suspension, and in the present embodiment, restraint layer is provided with three layers in suspension.Damping
Layer 1 is also sandwich construction, its number of plies is identical with total number of plies of 9 and first outer restraint layer 8 of restraint layer in suspension.Suspension
Interior restraint layer 9, total number of plies of the first outer restraint layer 8 and damping layer 1 and every layer thickness are according to wheel modal density and required drop
Frequency of making an uproar size determines, general to require the required number of plies designed more if the frequency number of required noise reduction is more.
In order to ensure dynamic wheel balancing requirement and effect of vibration and noise reduction, each wheel generally requires the multiple multiple field cars of installation
Noise reduction block is taken turns, number can be that even number can also be odd number, but require to be arranged on same circumference and be uniformly distributed；It is each more
Laminar wheel noise reduction block is installed on the circumferential medial surface of wheel by two end bolt components and a middle part bolt assembly,
Wherein two neighboring wheel noise reduction block shares an end bolt component.The length of suspension restraint layer and damping layer one is according to car
The wheel noise reduction block number of wheel diameter and required arrangement determines.
Restraint layer 9, the first outer restraint layer 8 and mandrel 10 are usually metal material in installing plate 3, suspension, are had enough
Bending resistance stiffness and intensity, can also be substituted using the polymer composite of high intensity, high rigidity, product can be mitigated
Overall weight.Damping layer one has high-damping, suitable modulus, wide temperature range, good weather-proof and endurance quality, and firm with metal adhesive
Gu to ensure that multiple field wheel noise reduction block can use under different geographical and temperature environment, there is high reliability and play good
Good effect of vibration and noise reduction.
As shown in figure 4, in the outer circumferential surface and suspension of mandrel 10 between restraint layer 9, in the first outer restraint layer 8 and suspension
Leave gap 13 between restraint layer 9 and in installing plate 3 and suspension between restraint layer 9, damping layer 1 be arranged on it is described between
In gap 13, so that restraint layer 9 is arranged between 3 and first outer restraint layer 8 of installing plate in suspension in suspension.
The specific design procedure of the multiple field wheel noise reduction block is as follows：
The mode of common wheel, vibration frequency response harmony radiation characteristic when S1, analysis are fitted without noise reduction block, and excitation car
Transmission function during wheel tread between power and acceleration responsive；
S2, according to each rank modal frequency of common wheel, modal mass, participate in the factor, the vibration shape, and vibration frequency response and spoke
The Energy distribution frequency range of noise is penetrated, order, frequency and the wheel position for needing emphasis to give vibration damping control are determined, so that it is determined that institute
Need intrinsic frequency, damping, quality, number, installation site and the direction of noise reduction block；
S3, analysis structure design variable, material parameter are to the affecting laws of noise reduction block intrinsic frequency and damping capacity, and pin
To target capabilities parameter the optimization designs of associated design variables, iterative analysis and optimal value is carried out to solve, determine the suitable number of plies,
The parameters such as thickness, length, width, material modulus and damping, make it reach more preferably parameter matching and vibration and noise reducing effect to wheel
Fruit, generally require damping layer material to have has suitable quality and rigidity compared with high-damping and suitable modulus, restraint layer；
S4, according to Parameters Optimal Design as a result, considering Practical Project constraints at the same time, design can meet the performance requirement
Noise reduction block detailed construction and material properties；
Wheel mode, transmission function, vibration frequency response and acoustic radiation after S5, analysis installation noise reduction block, verify wheel mode
Parameter Variation and effect of vibration and noise reduction, after generally installing noise reduction block, wheel transmission function peak value is greatly reduced, each rank mode
Frequency slightly reduces, its main cause is that the most of order damping ratios of wheel greatly improve after noise reduction block is installed, and is being dropped
Make an uproar under block damping-constraining and dynamic absorber effect, the vibratory response amplitude after being superimposed to each rank Mode Shape of wheel plays effective suppression
Make and use, and predict thus wheel acoustic radiation efficiency will also reduce；
S6, according to above-mentioned noise reduction block design verification as a result, find effect of vibration and noise reduction weak spot and need modified parameters, carry out
The double optimization of partial structurtes size, elastomeric material modulus and damping parameter improves, and carries out exemplar trial-production and verification experimental verification.
By setting above-mentioned design procedure, the present embodiment can be caused to meet the needs of actual condition, further improve vibration damping
The effect of noise reduction.
As shown in Figures 1 to 4, the present embodiment is also disclosed outside a kind of multiple field wheel noise reduction block, including installing plate 3 and first
Restraint layer 8, is respectively arranged with hole 1 and hole 25 at the both ends of installing plate 3, and hole one is each passed through by two end bolts 6
4 and hole 25 be screwed on the circumferential inside portion of wheel 1, so that the both ends of multiple field wheel noise reduction block 2 are connected to wheel 1
On, the multiple field wheel noise reduction block 2 further includes the outer restraint layer 8 of first be positioned close at 7 side of wheel shaft, in installing plate 3
And first set restraint layer 9 in suspension between outer restraint layer 8, hollow mandrel 10 is through restraint layer 8 and mandrel in suspension
10 one end is contacted with installing plate 3, and the other end of mandrel 10 is in contact with the first outer restraint layer 8, and restraint layer 9 is logical in suspension
One 11 bonding by Vulcanization of overdamp layer constrains outside between 3 and first outer restraint layer 8 of installing plate, by middle part bolt 12 through first
It is screwed into after layer 8, mandrel 10 and installing plate 3 on the circumferential inside portion of wheel 1, so that the middle part by multiple field wheel noise reduction block 2
It is connected on wheel 1.
Embodiment 2：As shown in figure 5, compared with Example 1, difference is：Restraint layer 9 is single in the suspension
Rotating fields.
Embodiment 3：As shown in fig. 6, compared with Example 1, difference is：In the other end of the mandrel 10
It is provided with axially extended portion 101 so that the other end of mandrel 10 forms boss mesa-shaped, is provided with the first outer restraint layer 8
With the axially extended matched through hole 14 in portion 101, it is inserted into by axially extended portion 101 in through hole 14 close with through hole 14
Coordinate, so that one end of mandrel 10 is contacted with the first outer restraint layer 8.Axially extended portion is engaged with through hole can play installation
The effect of positioning.It is provided with locating slot 15 matched with mandrel one end on installing plate 3, during assembling, mandrel one end is inserted into
It is fitted close, can be further positioned easy to the installation of product with locating slot into locating slot.Herein, can also be the one of mandrel
Axially extended portion is set on end, is provided with a mounting board and the axially extended matched through hole in portion（Not shown in figure）,
Mutually it is fitted close with the through hole on installing plate by the axially extended portion on mandrel one end.
Embodiment 4：As shown in fig. 7, compared with Example 1, difference is：It is all provided with the both ends of the mandrel 10
Axially extended portion 101 is put, through hole 14 is both provided with 3 and first outer restraint layer 8 of installing plate, passes through the axial direction on mandrel both ends
Extension is mutually fitted close with the through hole on installing plate and the first outer restraint layer respectively, to carry out the assembling of product.
Embodiment 5：As shown in figure 8, compared with Example 1, difference is：Set in the other end of mandrel 10
There is outward flange 102, be in contact by the outward flange 102 with a sidepiece of the first outer restraint layer 8 close to wheel shaft position, so that
So that the other end of mandrel 10 is in contact with the first outer restraint layer 8.It is engaged by using outward flange with the first outer restraint layer
Positioning, can further realize accurate fast positioning during Product Assembly.
Embodiment 6：As shown in figure 9, compared with Example 1, difference is：In the first outer restraint layer close to wheel shaft
One layer of second outer restraint layer 16 is additionally provided with 8 side；Second outer restraint layer 16 outside a packing ring 17 and first by constraining
Layer 8 stacks up to form sandwich, and bonding by Vulcanization has damping layer 2 18 in the gap of the sandwich；Pass through middle part spiral shell
Bolt is screwed on the circumferential inside portion of wheel after passing through the sandwich, mandrel 10 and installing plate 3, so that by multiple field wheel
It is connected in the middle part of noise reduction block on wheel.The basic principle of wheel noise reduction block is to be based on damping-constraining and dynamic absorber effect, this
Embodiment carries out classification setting, i.e., so that being constrained outside second by above-mentioned setting to the functional area of multiple field wheel noise reduction block
Layer, packing ring and the first outer restraint layer stack up the resistance to form sandwich and bonding by Vulcanization in the gap of the sandwich
The effect that Buddhist nun's layer two primarily serves dynamic absorber, primarily serves constraint in other position, that is, suspensions at restraint layer and damping layer one
The effect of damping, so can further give full play to the effect of damping-constraining and dynamic absorber, improve the effect of vibration and noise reducing.
In the present embodiment, restraint layer 9 is provided with two layers in suspension.
Embodiment 7：As shown in Figure 10, compared with Example 1, difference is：Constrained outside first close to wheel shaft
The outer restraint layer 16 of multilayer second is additionally provided with the side of layer 8；The outer restraint layer 16 of multilayer second passes through multiple packing rings 17 and first
Outer restraint layer 8 stacks up to form sandwich, and bonding by Vulcanization has damping layer 2 18 in the gap of the sandwich；Pass through
Middle part bolt is screwed on the circumferential inside portion of wheel after passing through the sandwich, mandrel 10 and installing plate 3, so that by multilayer
The middle part of formula wheel noise reduction block 2 is connected on wheel 1.In the present embodiment, restraint layer 9 is provided with one layer in suspension, packing ring
17 are provided with two, and the second outer restraint layer 16 is provided with two layers.
It should be strongly noted that the quantity of mandrel can not only be arranged to one in the utility model above example,
It can also be arranged to multiple, can so further improve the installation reliability of product.As shown in figure 11, compared with Example 1, no
With the quantity of mandrel 10 is arranged to two in figure.
To sum up, the utility model is by setting mandrel and larger gap and the full rubber of filling being left between mandrel and interior restraint layer
Glue, so as to form restraint layer in suspension, increases the movable quality and mode of oscillation number of interior restraint layer；Change existing skill
The cantilever beam structure that root is fixed in art, can not only realize radially bending deformation and torsional deflection, moreover it is possible to realizes and is radially translatable, with
And realize and be axially translatable and around mandrel rotary motion, therefore the effect of damping-constraining and dynamic absorber can be given full play to, to wheel
Axial vibration noise can also play more preferable inhibitory action, improve the effect of vibration and noise reducing.In addition, mandrel also there is installation to determine
Bit function, can play with welding the equal installation effect of sandwich in the prior art and avoiding the welding procedure institute of the prior art
Caused metal foil welding deformation problem., can be so that this reality by the design of the specific steps to multiple field wheel noise reduction block
Meet the needs of actual condition with new, further improve the effect of vibration and noise reducing.By to mandrel and installing plate and first
The design of tight fit structure between outer restraint layer, can realize fast accurate positioning during Product Assembly.By to multiple field
The functional area of wheel noise reduction block carries out classification setting so that the second outer restraint layer, packing ring and the first outer restraint layer stack up
The effect that the damping layer two of sandwich and bonding by Vulcanization in the gap of the sandwich primarily serves dynamic absorber is formed,
The effect of damping-constraining is primarily served in other position, that is, suspensions at restraint layer and damping layer one, so further can fully be sent out
The effect of damping-constraining and dynamic absorber is waved, improves the effect of vibration and noise reducing.
" multiple " described in above example refer to the quantity of " two or more ".Above example only supplies explanation
The utility model is used, rather than the limitation to the utility model, and person skilled in the relevant technique is not departing from this practicality newly
In the case of the spirit and scope of type, it can also make a variety of changes or convert, therefore all equivalent technical solutions also should
Belong to the scope of protection of the utility model, the scope of protection of the utility model should be limited by each claim.
Claims (6)
1. a kind of multiple field wheel noise reduction block, including installing plate and the first outer restraint layer, are set respectively at the both ends of installing plate
There are hole one and hole two, being each passed through hole one and hole two by two end bolts is screwed on the circumferential inside portion of wheel, so that
The both ends of multiple field wheel noise reduction block are connected on wheel, it is characterised in that：The multiple field wheel noise reduction block further includes
The first outer restraint layer being positioned close at wheel shaft side, sets in suspension between installing plate and the first outer restraint layer and constrains
Layer, hollow mandrel are contacted through one end of restraint layer and mandrel in suspension with installing plate, the other end of mandrel and first
Outer restraint layer is in contact, in suspension restraint layer by one bonding by Vulcanization of damping layer between installing plate and the first outer restraint layer,
It is screwed into after passing through the first outer restraint layer, mandrel and installing plate by middle part bolt on the circumferential inside portion of wheel, so as to will be more
It is connected in the middle part of laminar wheel noise reduction block on wheel.
2. multiple field wheel noise reduction block according to claim 1, it is characterised in that：In the outer circumferential surface and suspension of mandrel about
Between being left between restraint layer between beam layer, in the first outer restraint layer and suspension between restraint layer and in installing plate and suspension
Gap, damping layer one are arranged in the gap.
3. multiple field wheel noise reduction block according to claim 2, it is characterised in that：Restraint layer is individual layer in the suspension
Structure or sandwich construction.
4. multiple field wheel noise reduction block according to claim 2, it is characterised in that：In one end of the mandrel and/or core
Axially extended portion is provided with the other end of axis, is provided with installing plate and/or the first outer restraint layer and is stretched with the axial direction
Go out the matched through hole in portion, be inserted into by axially extended portion in through hole and through hole tight fit, so that one end of mandrel
Contacted with installing plate, the other end of mandrel is in contact with the first outer restraint layer.
5. multiple field wheel noise reduction block according to claim 2, it is characterised in that：It is provided with the other end of mandrel
Outward flange, is in contact by the outward flange with a sidepiece of the first outer restraint layer close to wheel shaft position, so that mandrel
Other end be in contact with the first outer restraint layer.
6. the multiple field wheel noise reduction block according to any one claim in claim 1 to 5, it is characterised in that：
One or more layers the second outer restraint layer is additionally provided with the side of the first outer restraint layer of wheel shaft；One or more layers is outside second
Restraint layer stacks up to form sandwich by one or more packing rings and the first outer restraint layer, in the sky of the sandwich
Bonding by Vulcanization has damping layer two in gap；Wheel is screwed into after passing through the sandwich, mandrel and installing plate by middle part bolt
Circumferential inside portion on, so as to will be connected in the middle part of multiple field wheel noise reduction block on wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354249.8U CN207310974U (en) | 2017-10-20 | 2017-10-20 | A kind of multiple field wheel noise reduction block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354249.8U CN207310974U (en) | 2017-10-20 | 2017-10-20 | A kind of multiple field wheel noise reduction block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207310974U true CN207310974U (en) | 2018-05-04 |
Family
ID=62381716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721354249.8U Withdrawn - After Issue CN207310974U (en) | 2017-10-20 | 2017-10-20 | A kind of multiple field wheel noise reduction block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207310974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107584966A (en) * | 2017-10-20 | 2018-01-16 | 株洲时代新材料科技股份有限公司 | A kind of wheel noise reduction method and multiple field wheel noise reduction block |
-
2017
- 2017-10-20 CN CN201721354249.8U patent/CN207310974U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107584966A (en) * | 2017-10-20 | 2018-01-16 | 株洲时代新材料科技股份有限公司 | A kind of wheel noise reduction method and multiple field wheel noise reduction block |
| CN107584966B (en) * | 2017-10-20 | 2023-07-25 | 株洲时代新材料科技股份有限公司 | Wheel noise reduction method and multi-layer wheel noise reduction block |
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