CN207291519U - Radial tire undertread and radial - Google Patents
Radial tire undertread and radial Download PDFInfo
- Publication number
- CN207291519U CN207291519U CN201721022658.8U CN201721022658U CN207291519U CN 207291519 U CN207291519 U CN 207291519U CN 201721022658 U CN201721022658 U CN 201721022658U CN 207291519 U CN207291519 U CN 207291519U
- Authority
- CN
- China
- Prior art keywords
- belt
- axial
- zero
- radial
- degree
- 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.)
- Active
Links
Abstract
The application proposes a meridian tyre belted layer, the first belt (21) including being radially bonded laying successively from inside to outside, second belt (22) and the 3rd belt (23), the radial outer side at the axial both ends of the 3rd belt (23) is respectively arranged with zero-degree belt (24), the zero-degree belt (24) is disposed radially as one layer, axial one end of the zero-degree belt (24) is connected with the 3rd belt (23) pressing, the axially opposing other end of the zero-degree belt (24) is in contact with second belt (22)；The application radial tire undertread advantageously reduces the radius run-out degree and belt axial direction endpoint heat dissipation capacity of radial, and is conducive to improve the dynamic balance performance and load performance of radial.The application has higher dynamic balance performance and load performance it is further proposed that a meridian line tyre.
Description
Technical field
The application belongs to tyre technology, more particularly to a meridian tyre belted layer and radial.
Background technology
Belt is the main stressed member of radial, and therefore, the structure of belt can be to the property of radial
Large effect can be produced.Referring to Fig. 1, currently used radial tire undertread is 3+0 structures (also referred to as nullity belt beam
Rotating fields), i.e., radially it is equipped with the first belt 11, the second belt 12 and the 3rd belt successively from inside to outside along tire
13, the axial both sides of the 3rd belt 13 are respectively arranged with zero-degree belt 14, wherein the first belt 11, the second belt 12
It is larger with the cord angle of the 3rd belt 13；The cord of zero-degree belt 14 is arranged with circumferential centerline parallel, cord angle
It is close to 0 °.
With continued reference to Fig. 1, in the prior art, the zero-degree belt of the radial tire undertread of 3+0 structures is generally along footpath
To being arranged to two layers, and the 3rd belt is one layer, and therefore, zero-degree belt and the 3rd band beam are formed radially in radial directions
Thickness difference, during tire running, which inevitably makes the beating degree of tire generation in the radial direction,
So as to the dynamic balance performance of corresponding tire and the comfort property of passenger.On the other hand, because zero-degree belt double-decker into
One step causes heat amount at belt transverse ends big, and poor radiation, and then influences the load performance of tire and use the longevity
Life.
Therefore, a meridian tyre belted layer is designed, the radial direction jump during radial traveling can be reduced
Dynamic degree and belt axial direction endpoint heat dissipation capacity, and then the dynamic balance performance and load performance of radial are improved, for ability
It is very important for field technique personnel.
The content of the invention
The application is for radial dynamic balance performance and load performance caused by above-mentioned radial tire undertread
The technical problem of difference, proposes a meridian tyre belted layer, can reduce the circular runout during radial traveling
Degree and belt axial direction endpoint heat dissipation capacity, and then improve the dynamic balance performance and load performance of radial；The application is into one
Step proposes a meridian line tyre, has higher dynamic balance performance and load performance.
In order to achieve the above object, the technical solution that the application uses for：
One meridian tyre belted layer, including radially it is bonded the first belt of laying, second successively from inside to outside
Belt and the 3rd belt, the radial outer side at the 3rd belt axial direction both ends are respectively arranged with zero-degree belt, institute
State zero-degree belt to be disposed radially as one layer, axial one end of the zero-degree belt connects with the 3rd belt pressing
Connect, the axially opposing other end of the zero-degree belt is in contact with second belt.
Preferably, the circumferential center line alignment of first belt, the second belt and the 3rd belt is set, and
The axial width of first belt, the second belt and the 3rd belt is sequentially reduced.
Preferably, between first belt and the second belt, second belt and the 3rd belt it
Between axial width difference be 10-40mm.
Preferably, the axial outer end of the zero-degree belt is axial close to the zero-degree belt with second belt
Axial difference between endpoint is 20-30mm.
Preferably, the axial outer end of the zero-degree belt is axial close to the zero-degree belt with the 3rd belt
Axial difference between endpoint is 20-30mm.
Preferably, the axial inner ends of the zero-degree belt are axial close to the zero-degree belt with the 3rd belt
Axial difference between endpoint is 40-60mm.
Preferably, the axially external bread of first belt is wrapped with the first breaker strip, first buffering adhesive
One end of piece is pressed on the radially inner side face of first belt, and the opposite other end fitting of first breaker strip is laid with
In the radial outer side of first belt, and between first belt and the second belt.
Preferably, the axially external bread of second belt is wrapped with the second breaker strip, second buffering adhesive
One end of piece is pressed on the radially inner side face of second belt, and positioned at first belt and the second belt it
Between；The opposite other end fitting of second breaker strip is layed in the radial outer side of second belt, and is located at institute
State between the second belt and the 3rd belt.
Preferably, the axially external face of the 3rd belt is overlapped with the 3rd breaker strip, the 3rd buffering adhesive
One end fitting of piece is layed in the radial outer side of the 3rd belt, the opposite other end fitting of the 3rd breaker strip
It is layed in the radial outer side of second breaker strip.
One meridian line tyre, including carcass, the radial outside of the carcass are equipped with foregoing rotating radial tire belt
Layer.
Compared with prior art, it is the advantages of the application with good effect：
1st, the application radial tire undertread, it by the zero-degree belt by being arranged to one layer, and by described zero
Degree belt fitting is layed in the radial outer side of the 3rd belt, efficiently avoid two layers of zero degree in the prior art
Difference in height between belt and the 3rd belt, reduces the radius run-out degree during radial traveling, Jin Erti
The high dynamic balance performance and comfort of radial；On the other hand, one layer of zero-degree belt reduces belt axial direction
The heat amount at both ends, and be conducive to distributing for heat caused by belt axial direction both ends, and then improve radial
Load-bearing capacity and service life.
2nd, glue is respectively adopted in the axial both ends of the application radial tire undertread, its first belt and the second belt
Piece bound edge, the axial both ends of its 3rd belt are overlapped using film, not only reduce the steel wire between adjacent two layers belt
Between the heat that is produced by shear action, and reduce first belt, the second belt and the 3rd belt axis
Gap is produced because of Shear heating and between adjacent tires sizing material to the steel wire at both ends, improves the load performance of radial
And service life.
Brief description of the drawings
Fig. 1 is the structure diagram of prior art radial tire undertread；
Fig. 2 is the structure diagram of the application radial tire undertread；
Fig. 3 the application and prior art Finite Element Simulation Analysis；
Above in each figure：11st, the first belt；12nd, the second belt；13rd, the 3rd belt；14th, zero-degree belt；
21st, the first belt；22nd, the second belt；23rd, the 3rd belt；24th, zero-degree belt；25th, the first buffering
Film；26th, the second breaker strip；27th, the 3rd breaker strip.
Embodiment
In the following, the application is specifically described by exemplary embodiment.It should be appreciated, however, that not into one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
, it is necessary to which explanation, circumferencial direction is circumferential, along the direction of radius for radially in the description of the present application；And edge
The direction of radius increase is radially-inwardly for the direction radially outward, reduced along radius；The shaft of tire be it is axial, vertically and
Direction towards circumferential center line is axial inner ends, is vertically and away from the direction of circumferential center line axial outer end；Cross tire
The section of shaft is the circumferential section of tire, is the part-structure schematic diagram of circumferential section in Fig. 1, Fig. 2, and in Fig. 1, Fig. 2
Horizontal direction is tire rotor shaft direction, and vertical direction is circumferential direction；Term " interior ", " outer ", " on ", " under ", "front", "rear" etc.
The orientation or position relationship of instruction are based on position relationship shown in the drawings, are for only for ease of description the application and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that limitation to the application.In addition, term " first ", " second ", " the 3rd " are only used for description purpose, without
It is understood that to indicate or implying relative importance.
As shown in Fig. 2, the application proposes a meridian tyre belted layer, including the first belt 21, the second belt
22nd, the 3rd belt 23 and zero-degree belt 24, first belt 21, the second belt 22, the 3rd belt 23 are along wheel
Radially fitting is laid with tire successively from inside to outside, and in the circumferential direction of the first belt 21, the second belt 22, the 3rd belt 23
The alignment of heart line is set.The radial outer side at the axial both ends of the 3rd belt 23 is respectively arranged with zero-degree belt 24, described
Zero-degree belt 24 is two, and two zero-degree belts 24 are radially disposed as one layer, i.e. two nullity belt beams
Layer 24 is circumferentially laid with a circle, and is formed using 3-6 root wirecord fabric spiral windings.Axial the one of the zero-degree belt 24
End presses with the 3rd belt 23 connect respectively, and the axially opposing other end of two zero-degree belts 24 is located at respectively
In the radial outer side of second belt 22, and the radial outer side with second belt 22 is in contact respectively.
The radial tire undertread of the application, its by the way that the zero-degree belt 24 is arranged to one layer, and will described in
The fitting of zero-degree belt 24 is layed in the radial outer side of the 3rd belt 23, efficiently avoid in the prior art two
Difference in height between layer 14 and the 3rd belt 13 of zero-degree belt, reduces the circular runout during radial traveling
Degree, and then improve the dynamic balance performance and comfort of radial；On the other hand, one layer of zero-degree belt 24 reduces
The heat amount at belt axial direction both ends, and be conducive to distributing for heat caused by belt axial direction both ends, and then improve son
The load-bearing capacity and service life of radial tire.
In order to further ensure the heat amount of the application radial tire undertread, so improve tire load performance and
Service life, the circumferential center line alignment of first belt 21, the second belt 22 and the 3rd belt 23 are set, and
The axial width of first belt 21, the second belt 22 and the 3rd belt 23 is sequentially reduced.
Preferably, the axial width difference between 21 and second belt 22 of the first belt is 10-40mm,
Axial width difference between second belt, 22 and the 3rd belt 23 is 10-40mm, in favor of reducing described first
Heat amount between belt 21, the second belt 22 and the 3rd belt 23.
With further reference to Fig. 2, the axial outer end of the zero-degree belt 24 is with second belt 22 close to the zero degree
The spacing of axial direction between the axial endpoint of belt 24 is 20-30mm, in favor of reduce the zero-degree belt 24 with
Heat amount between second belt 22.
Preferably, the axial outer end of the zero-degree belt and the 3rd belt 23 are close to the zero-degree belt 24
Axial spacing between axial endpoint is 20-30mm, in favor of reducing by 24 axial inner ends of zero-degree belt and the 3rd band beam
Layer 23 corresponds to the heat amount at endpoint；The axial inner ends of the zero-degree belt 24 are with the 3rd belt 23 close to the zero degree
Axial spacing between the axial endpoint of belt 24 be 40-60mm, in favor of reduce by 24 axial inner ends of zero-degree belt and
3rd belt 23 corresponds to the heat amount at endpoint.
In the following, in order to further protrude the creativeness of the application, by the 3rd band beam in the application radial tire undertread
The strain energy density of the axial endpoint of layer 23, carries out limited with the strain energy density of the axial endpoint of the 3rd belt 13 in the prior art
First simulation comparison is analyzed as follows：
It should be noted that in the comparative analysis of this finite element simulation, the radial tire undertread of the application with it is existing
Radial tire undertread in technology, in addition to the structure of zero-degree belt is different, other structures etc. are consistent.
In Fig. 3, abscissa is the circumferential angle of the axial endpoint of the 3rd belt 23, wherein 180 ° are nearby ground area,
Ordinate is the strain energy density of the axial endpoint of the 3rd belt 23, linearly corresponding with strain energy.Imitated by above-mentioned Fig. 1 finite elements
Knowable to true analysis result, the strain energy density at the axial endpoint of the 3rd belt 23 in the application radial tire undertread,
Significantly less than the strain energy density at the axial endpoint of the 3rd belt 13 in the prior art, therefore, the application radial band
Strain energy at the axial endpoint of the 3rd belt 23 of beam layer significantly reduces, so that the heat amount at the position reduces, Jin Erti
The high load performance and service life of radial.
It should be noted that in order to further improve the stress performance of the application radial tire undertread, described first
Belt 21, the second belt 22, the 3rd belt 23 and zero-degree belt 24 are steel belt.When radial row
When sailing, first belt 21, the second belt 22, the steel wire of the 3rd belt 23 can produce big calorimetric because of shearing force
Amount, in order to prevent or reduces the steel wire at axial both ends gap is produced because of Shear heating and between adjacent tires sizing material, and prevents
The heat only or between the steel wire between reduction adjacent two layers belt produced, and then influence the load of the radial
Performance, the axial both ends of the one the first 21 and second belt 22 of belt use breaker strip bound edge, and the described 3rd
The radial outer side at the axial both ends of belt 23 is overlapped using breaker strip, specific as follows：
The axially external face of first belt 21 is enclosed with the first breaker strip 25, first breaker strip respectively
25 one end extends to the radially inner side face of first belt 21 from the axially external face of first belt 21, and
Pressing is layed in below the radially inner side face of first belt 21；The opposite other end of first breaker strip 25 is from institute
The axially external face for stating the first belt 21 is extended in the radial outer side of first belt 21, and is bonded and is layed in institute
State the radial outer side of the first belt 21, with prevent or reduce the axially external face at the axial both ends of first belt 21,
The gap that the steel wire of radially inner side face and radial outer side produces between adjacent sizing material by Shear heating respectively.
Preferably, in order to further reduce the generation of the steel wire between 21 and second belt 22 of the first belt
Shear heat, one end fitting that first breaker strip 25 is located at 21 radial outer side of the first belt are layed in described the
Between one belt 21 and the second belt 22.
With continued reference to Fig. 2, the axially external face of second belt 22 is enclosed with the second breaker strip 26, institute respectively
The one end for stating the second breaker strip 26 extends to second belt 22 from the axially external face of second belt 22
Radially inner side face, and be bonded and be layed between 21 and second belt 22 of the first belt, second breaker strip 26
Opposite other end the radial outer side of second belt 22 is extended to from the axially external face of second belt 22,
And be bonded and be layed in the radial outer side of second belt 22, it is axial to prevent or reduce by second belt 22
The gap that the axially external face at both ends and the steel wire of radial outer side produce between adjacent sizing material by Shear heating respectively.
Preferably, second breaker strip 26 fitting be layed in 21 and second belt 22 of the first belt it
Between one end be arranged at first breaker strip 25 fitting and be layed in one between 21 and second belt 22 of the first belt
The radial outside at end.
Preferably, in order to further reduce the generation of the steel wire between 22 and the 3rd belt 23 of the second belt
Shear heat, one end fitting that second breaker strip 26 is located at 22 radial outer side of the second belt are layed in described the
Between two belts 22 and the 3rd belt 23.
With continued reference to Fig. 2, the axially external face of the 3rd belt 23 is overlapped with the 3rd breaker strip 27 respectively, institute
The one end for stating the 3rd breaker strip 27 extends to the 3rd belt 23 from the axially external face of the 3rd belt 23
Radial outer side, and be bonded and be layed in the radial outer side of the 3rd belt 23, i.e., positioned at the 3rd belt 23
Between zero-degree belt 24；The opposite other end fitting of 3rd breaker strip 27 is layed in second buffering adhesive
The radial outer side of piece 26, to prevent or reduce the shear heat produced between the 3rd belt 23 and zero-degree belt 24.
The application is it is further proposed that a meridian line tyre, including carcass, and the radial outside of the carcass is equipped with foregoing
Radial tire undertread, there is higher dynamic balance performance and load performance, suitable for load-carryings such as truck, car and light trucks
It is not described in detail herein on automobile.
Claims (10)
1. a meridian tyre belted layer, including radially it is bonded the first belt (21) of laying, successively from inside to outside
Two belts (22) and the 3rd belt (23), it is characterised in that：The radial outside at the axial both ends of the 3rd belt (23)
Face is respectively arranged with zero-degree belt (24), and the zero-degree belt (24) is disposed radially as one layer, the zero-degree belt
(24) axial one end is connected with the 3rd belt (23) pressing, the axially opposing other end of the zero-degree belt (24)
It is in contact with second belt (22).
2. radial tire undertread according to claim 1, it is characterised in that：First belt (21), second
The alignment of the circumferential center line of belt (22) and the 3rd belt (23) is set, and first belt (21), the second band beam
The axial width of layer (22) and the 3rd belt (23) is sequentially reduced.
3. radial tire undertread according to claim 2, it is characterised in that：First belt (21) and second
Axial width difference between belt (22), between second belt (22) and the 3rd belt (23) is 10-
40mm。
4. radial tire undertread according to claim 3, it is characterised in that：The axial direction of the zero-degree belt (24)
The axial difference of outer end and second belt (22) between the axial endpoint of the zero-degree belt (24) is 20-30mm.
5. radial tire undertread according to claim 3, it is characterised in that：The axial outer end of the zero-degree belt
It is 20-30mm with axial difference of the 3rd belt (23) between the axial endpoint of the zero-degree belt (24).
6. radial tire undertread according to claim 3, it is characterised in that：The axial inner ends of the zero-degree belt
It is 40-60mm with axial difference of the 3rd belt (23) between the axial endpoint of the zero-degree belt (24).
7. according to claim 1-6 any one of them radial tire undertreads, it is characterised in that：First belt
(21) axially external bread is wrapped with the first breaker strip (25), and one end of first breaker strip (25) is pressed on described
The radially inner side face of one belt (21), the opposite other end fitting of first breaker strip (25) are layed in the first band
The radial outer side of beam layer (21), and between first belt (21) and the second belt (22).
8. radial tire undertread according to claim 7, it is characterised in that：The axial direction of second belt (22)
Lateral surface is enclosed with the second breaker strip (26), and one end of second breaker strip (26) is pressed on second belt
(22) radially inner side face, and between first belt (21) and the second belt (22)；Second buffering adhesive
The opposite other end fitting of piece (26) is layed in the radial outer side of second belt (22), and positioned at the described second band beam
Between layer (22) and the 3rd belt (23).
9. radial tire undertread according to claim 8, it is characterised in that：The axial direction of 3rd belt (23)
Lateral surface is overlapped with the 3rd breaker strip (27), and one end fitting of the 3rd breaker strip (27) is layed in the 3rd band beam
The radial outer side of layer (23), the opposite other end fitting of the 3rd breaker strip (27) are layed in second breaker strip
(26) radial outer side.
10. a meridian line tyre, including carcass, it is characterised in that：The radial outside of the carcass is laid with just like claim
1-9 any one of them radial tire undertreads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721022658.8U CN207291519U (en) | 2017-08-15 | 2017-08-15 | Radial tire undertread and radial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721022658.8U CN207291519U (en) | 2017-08-15 | 2017-08-15 | Radial tire undertread and radial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207291519U true CN207291519U (en) | 2018-05-01 |
Family
ID=62444414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721022658.8U Active CN207291519U (en) | 2017-08-15 | 2017-08-15 | Radial tire undertread and radial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207291519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112384375A (en) * | 2018-07-11 | 2021-02-19 | 住友橡胶工业株式会社 | Heavy duty pneumatic tire and method of manufacturing the same |
-
2017
- 2017-08-15 CN CN201721022658.8U patent/CN207291519U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112384375A (en) * | 2018-07-11 | 2021-02-19 | 住友橡胶工业株式会社 | Heavy duty pneumatic tire and method of manufacturing the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6141724B2 (en) | Non-pneumatic tire having a structural reinforcement with a square wire structure | |
| CN101713444B (en) | Automobile brake drum with latticed stiffeners | |
| CN105263725A (en) | Pneumatic tire | |
| CN207291519U (en) | Radial tire undertread and radial | |
| JP2004083001A (en) | Pneumatic radial tire | |
| CN105008144A (en) | Pneumatic tire | |
| JP5917795B2 (en) | Pneumatic tire | |
| CN206416785U (en) | The full-steel radial ply wide base tyre of low rolling resistance low noise | |
| CN201487096U (en) | Automobile brake drum with annular strengthening ribs | |
| CN107499064A (en) | Radial tire undertread and its production technology, radial | |
| CN207140700U (en) | Radial tire undertread and radial | |
| CN207140701U (en) | Radial tire undertread and radial | |
| CN110030325B (en) | Flywheel of inertia test bed and manufacturing method | |
| CN203401879U (en) | Tire with improved tire bead structure | |
| CN102294942A (en) | Tire with additional cap ply | |
| US20190030961A1 (en) | Bead Wire For A Tire, Tire And Manufacturing Method | |
| CN105015274A (en) | Tire belted layer structure | |
| CA2914528C (en) | Bead wire for a tyre, tyre and manufacturing method | |
| CN207931394U (en) | Radial-ply tyre crown | |
| CN105835625B (en) | Low deformation high-mechanic tire belt structure | |
| CN107415594A (en) | Radial tire undertread and its production technology, radial | |
| JP2008260348A (en) | Pneumatic tire | |
| CN204978109U (en) | Tire belted layer structure | |
| CN215321810U (en) | Radial tire pattern and radial tire | |
| CN213176578U (en) | Ventilated brake disc with spline guide device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190705 Address after: 442000 No. 21 Hanjiang North Road, Shiyan City, Hubei Province Patentee after: Shuangxing Dongfeng Tyres Co., Ltd. Address before: 266400 66 Gang Xing Road, POI Town, Huangdao District, Qingdao, Shandong Patentee before: Qingdao Doublestar Tire Industry Co., Ltd. |
|
| TR01 | Transfer of patent right |